./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.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 f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:24:48,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:24:48,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:24:48,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:24:48,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:24:48,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:24:48,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:24:48,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:24:48,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:24:48,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:24:48,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:24:48,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:24:48,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:24:48,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:24:48,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:24:48,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:24:48,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:24:48,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:24:48,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:24:48,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:24:48,661 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:24:48,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:24:48,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:24:48,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:24:48,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:24:48,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:24:48,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:24:48,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:24:48,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:24:48,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:24:48,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:24:48,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:24:48,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:24:48,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:24:48,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:24:48,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:24:48,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:24:48,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:24:48,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:24:48,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:24:48,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:24:48,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:24:48,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:24:48,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:24:48,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:24:48,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:24:48,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:24:48,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:24:48,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:24:48,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:24:48,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:24:48,708 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:24:48,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:24:48,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:24:48,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:24:48,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:24:48,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:24:48,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:24:48,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:24:48,710 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:24:48,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:24:48,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:24:48,710 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:24:48,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:24:48,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:24:48,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:24:48,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:24:48,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:24:48,711 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:24:48,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:24:48,711 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:24:48,711 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:24:48,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:24:48,712 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-07-12 13:24:48,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:24:48,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:24:48,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:24:48,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:24:48,897 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:24:48,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-07-12 13:24:48,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e62492af/61d4c9bfecfa43dcb8307cf2be25104c/FLAGa90dbe51b [2022-07-12 13:24:49,519 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:24:49,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-07-12 13:24:49,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e62492af/61d4c9bfecfa43dcb8307cf2be25104c/FLAGa90dbe51b [2022-07-12 13:24:49,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e62492af/61d4c9bfecfa43dcb8307cf2be25104c [2022-07-12 13:24:49,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:24:49,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:24:49,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:24:49,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:24:49,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:24:49,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:24:49" (1/1) ... [2022-07-12 13:24:49,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381f734f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:49, skipping insertion in model container [2022-07-12 13:24:49,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:24:49" (1/1) ... [2022-07-12 13:24:49,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:24:49,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:24:51,822 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-07-12 13:24:51,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:24:51,919 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:24:52,465 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-07-12 13:24:52,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:24:52,587 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:24:52,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52 WrapperNode [2022-07-12 13:24:52,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:24:52,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:24:52,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:24:52,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:24:52,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52" (1/1) ... [2022-07-12 13:24:52,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52" (1/1) ... [2022-07-12 13:24:52,805 INFO L137 Inliner]: procedures = 426, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4483 [2022-07-12 13:24:52,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:24:52,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:24:52,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:24:52,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:24:52,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52" (1/1) ... [2022-07-12 13:24:52,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52" (1/1) ... [2022-07-12 13:24:52,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52" (1/1) ... [2022-07-12 13:24:52,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52" (1/1) ... [2022-07-12 13:24:52,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52" (1/1) ... [2022-07-12 13:24:52,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52" (1/1) ... [2022-07-12 13:24:53,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52" (1/1) ... [2022-07-12 13:24:53,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:24:53,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:24:53,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:24:53,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:24:53,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52" (1/1) ... [2022-07-12 13:24:53,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:24:53,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:24:53,073 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) [2022-07-12 13:24:53,079 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 [2022-07-12 13:24:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-12 13:24:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-12 13:24:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-12 13:24:53,108 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-07-12 13:24:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-07-12 13:24:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-12 13:24:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-12 13:24:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:24:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:24:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-07-12 13:24:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-07-12 13:24:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-12 13:24:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-12 13:24:53,109 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-07-12 13:24:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-07-12 13:24:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:24:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:24:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-07-12 13:24:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-07-12 13:24:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-07-12 13:24:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-07-12 13:24:53,110 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 13:24:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 13:24:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-07-12 13:24:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-07-12 13:24:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 13:24:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 13:24:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-07-12 13:24:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-07-12 13:24:53,111 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-12 13:24:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-12 13:24:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 13:24:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 13:24:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 13:24:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 13:24:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-07-12 13:24:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-07-12 13:24:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 13:24:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 13:24:53,112 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-07-12 13:24:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-07-12 13:24:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:24:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-12 13:24:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-12 13:24:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 13:24:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 13:24:53,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 13:24:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 13:24:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 13:24:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-12 13:24:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-12 13:24:53,114 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-12 13:24:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-12 13:24:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 13:24:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 13:24:53,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 13:24:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-07-12 13:24:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-07-12 13:24:53,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 13:24:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:24:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:24:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-07-12 13:24:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-07-12 13:24:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-12 13:24:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-12 13:24:53,117 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-07-12 13:24:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-07-12 13:24:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-07-12 13:24:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-07-12 13:24:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-12 13:24:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-12 13:24:53,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:24:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:24:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-07-12 13:24:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-07-12 13:24:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:24:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-07-12 13:24:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-07-12 13:24:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:24:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:24:53,119 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-07-12 13:24:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-07-12 13:24:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-07-12 13:24:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-07-12 13:24:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-07-12 13:24:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-07-12 13:24:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-07-12 13:24:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-07-12 13:24:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 13:24:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 13:24:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 13:24:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 13:24:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:24:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:24:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 13:24:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 13:24:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:24:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:24:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-07-12 13:24:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-07-12 13:24:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:24:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:24:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-12 13:24:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-12 13:24:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-07-12 13:24:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-07-12 13:24:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 13:24:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 13:24:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-12 13:24:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-12 13:24:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-07-12 13:24:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-07-12 13:24:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-12 13:24:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-12 13:24:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-12 13:24:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-12 13:24:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-12 13:24:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-12 13:24:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-07-12 13:24:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-07-12 13:24:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-07-12 13:24:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-07-12 13:24:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:24:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:24:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:24:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:24:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:24:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:24:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-12 13:24:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-12 13:24:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 13:24:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 13:24:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-07-12 13:24:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-07-12 13:24:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-07-12 13:24:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-07-12 13:24:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 13:24:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 13:24:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:24:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 13:24:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 13:24:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-07-12 13:24:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-07-12 13:24:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:24:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-07-12 13:24:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-07-12 13:24:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-12 13:24:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-12 13:24:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-07-12 13:24:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-07-12 13:24:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-12 13:24:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-12 13:24:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:24:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 13:24:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 13:24:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 13:24:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 13:24:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 13:24:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 13:24:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-07-12 13:24:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-07-12 13:24:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 13:24:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 13:24:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-07-12 13:24:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-07-12 13:24:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 13:24:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 13:24:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:24:53,129 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:24:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 13:24:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:24:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:24:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-12 13:24:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-12 13:24:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-07-12 13:24:53,130 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-07-12 13:24:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:24:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:24:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 13:24:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 13:24:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-12 13:24:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-12 13:24:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 13:24:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 13:24:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 13:24:53,131 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 13:24:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 13:24:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 13:24:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 13:24:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-07-12 13:24:53,132 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-07-12 13:24:53,648 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:24:53,651 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:24:53,790 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:24:57,900 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:24:57,914 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:24:57,914 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 13:24:57,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:24:57 BoogieIcfgContainer [2022-07-12 13:24:57,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:24:57,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:24:57,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:24:57,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:24:57,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:24:49" (1/3) ... [2022-07-12 13:24:57,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22827e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:24:57, skipping insertion in model container [2022-07-12 13:24:57,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:24:52" (2/3) ... [2022-07-12 13:24:57,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22827e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:24:57, skipping insertion in model container [2022-07-12 13:24:57,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:24:57" (3/3) ... [2022-07-12 13:24:57,922 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-07-12 13:24:57,930 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:24:57,931 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:24:57,985 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:24:57,989 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7e9e651a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@648bb77a [2022-07-12 13:24:57,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:24:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 1327 states, 968 states have (on average 1.334710743801653) internal successors, (1292), 994 states have internal predecessors, (1292), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) [2022-07-12 13:24:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-12 13:24:58,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:24:58,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:24:58,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:24:58,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:24:58,017 INFO L85 PathProgramCache]: Analyzing trace with hash -2068181314, now seen corresponding path program 1 times [2022-07-12 13:24:58,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:24:58,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271752367] [2022-07-12 13:24:58,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:24:58,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:24:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:58,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 13:24:58,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:24:58,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271752367] [2022-07-12 13:24:58,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271752367] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:24:58,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:24:58,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:24:58,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261685107] [2022-07-12 13:24:58,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:24:58,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:24:58,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:24:58,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:24:58,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:24:58,494 INFO L87 Difference]: Start difference. First operand has 1327 states, 968 states have (on average 1.334710743801653) internal successors, (1292), 994 states have internal predecessors, (1292), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 13:24:58,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:24:58,739 INFO L93 Difference]: Finished difference Result 3965 states and 5590 transitions. [2022-07-12 13:24:58,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:24:58,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-12 13:24:58,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:24:58,773 INFO L225 Difference]: With dead ends: 3965 [2022-07-12 13:24:58,774 INFO L226 Difference]: Without dead ends: 2593 [2022-07-12 13:24:58,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:24:58,795 INFO L413 NwaCegarLoop]: 2069 mSDtfsCounter, 1786 mSDsluCounter, 1795 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 3864 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:24:58,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1786 Valid, 3864 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 13:24:58,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2022-07-12 13:24:58,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2590. [2022-07-12 13:24:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2590 states, 1893 states have (on average 1.3026941362916007) internal successors, (2466), 1927 states have internal predecessors, (2466), 526 states have call successors, (526), 171 states have call predecessors, (526), 170 states have return successors, (524), 510 states have call predecessors, (524), 524 states have call successors, (524) [2022-07-12 13:24:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2590 states to 2590 states and 3516 transitions. [2022-07-12 13:24:59,008 INFO L78 Accepts]: Start accepts. Automaton has 2590 states and 3516 transitions. Word has length 19 [2022-07-12 13:24:59,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:24:59,009 INFO L495 AbstractCegarLoop]: Abstraction has 2590 states and 3516 transitions. [2022-07-12 13:24:59,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 13:24:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 3516 transitions. [2022-07-12 13:24:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-12 13:24:59,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:24:59,028 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2022-07-12 13:24:59,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 13:24:59,028 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:24:59,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:24:59,029 INFO L85 PathProgramCache]: Analyzing trace with hash -870677935, now seen corresponding path program 1 times [2022-07-12 13:24:59,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:24:59,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154278217] [2022-07-12 13:24:59,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:24:59,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:24:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:24:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:24:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:24:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 13:24:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:24:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:24:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 13:24:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:24:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 13:24:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 13:24:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:24:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 13:24:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 13:24:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 13:24:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 13:24:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:24:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-12 13:24:59,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:24:59,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154278217] [2022-07-12 13:24:59,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154278217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:24:59,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:24:59,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 13:24:59,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655666476] [2022-07-12 13:24:59,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:24:59,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 13:24:59,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:24:59,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 13:24:59,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:24:59,387 INFO L87 Difference]: Start difference. First operand 2590 states and 3516 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 13:25:02,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:25:02,977 INFO L93 Difference]: Finished difference Result 6749 states and 9252 transitions. [2022-07-12 13:25:02,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 13:25:02,977 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 106 [2022-07-12 13:25:02,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:25:02,997 INFO L225 Difference]: With dead ends: 6749 [2022-07-12 13:25:02,997 INFO L226 Difference]: Without dead ends: 4162 [2022-07-12 13:25:03,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-07-12 13:25:03,008 INFO L413 NwaCegarLoop]: 1757 mSDtfsCounter, 3280 mSDsluCounter, 1987 mSDsCounter, 0 mSdLazyCounter, 1452 mSolverCounterSat, 1964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3378 SdHoareTripleChecker+Valid, 3744 SdHoareTripleChecker+Invalid, 3416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1964 IncrementalHoareTripleChecker+Valid, 1452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:25:03,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3378 Valid, 3744 Invalid, 3416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1964 Valid, 1452 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-12 13:25:03,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4162 states. [2022-07-12 13:25:03,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4162 to 3640. [2022-07-12 13:25:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3640 states, 2690 states have (on average 1.3096654275092936) internal successors, (3523), 2735 states have internal predecessors, (3523), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-07-12 13:25:03,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3640 states to 3640 states and 4925 transitions. [2022-07-12 13:25:03,249 INFO L78 Accepts]: Start accepts. Automaton has 3640 states and 4925 transitions. Word has length 106 [2022-07-12 13:25:03,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:25:03,249 INFO L495 AbstractCegarLoop]: Abstraction has 3640 states and 4925 transitions. [2022-07-12 13:25:03,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-12 13:25:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3640 states and 4925 transitions. [2022-07-12 13:25:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-12 13:25:03,260 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:25:03,260 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:25:03,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 13:25:03,260 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:25:03,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:25:03,261 INFO L85 PathProgramCache]: Analyzing trace with hash 161380544, now seen corresponding path program 1 times [2022-07-12 13:25:03,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:25:03,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832380688] [2022-07-12 13:25:03,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:25:03,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:25:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:25:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 13:25:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 13:25:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 13:25:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 13:25:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 13:25:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 13:25:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 13:25:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 13:25:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 13:25:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 13:25:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 13:25:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 13:25:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-12 13:25:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:03,733 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-12 13:25:03,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:25:03,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832380688] [2022-07-12 13:25:03,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832380688] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:25:03,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:25:03,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 13:25:03,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392099706] [2022-07-12 13:25:03,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:25:03,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 13:25:03,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:25:03,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 13:25:03,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:25:03,735 INFO L87 Difference]: Start difference. First operand 3640 states and 4925 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 13:25:07,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:25:07,447 INFO L93 Difference]: Finished difference Result 7804 states and 10670 transitions. [2022-07-12 13:25:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 13:25:07,447 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 185 [2022-07-12 13:25:07,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:25:07,466 INFO L225 Difference]: With dead ends: 7804 [2022-07-12 13:25:07,467 INFO L226 Difference]: Without dead ends: 4161 [2022-07-12 13:25:07,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-07-12 13:25:07,483 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1371 mSDsluCounter, 3119 mSDsCounter, 0 mSdLazyCounter, 2022 mSolverCounterSat, 1067 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1414 SdHoareTripleChecker+Valid, 4782 SdHoareTripleChecker+Invalid, 3089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1067 IncrementalHoareTripleChecker+Valid, 2022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 13:25:07,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1414 Valid, 4782 Invalid, 3089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1067 Valid, 2022 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 13:25:07,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4161 states. [2022-07-12 13:25:07,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4161 to 3643. [2022-07-12 13:25:07,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3643 states, 2693 states have (on average 1.3085777942814705) internal successors, (3524), 2738 states have internal predecessors, (3524), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-07-12 13:25:07,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 4926 transitions. [2022-07-12 13:25:07,668 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 4926 transitions. Word has length 185 [2022-07-12 13:25:07,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:25:07,671 INFO L495 AbstractCegarLoop]: Abstraction has 3643 states and 4926 transitions. [2022-07-12 13:25:07,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-12 13:25:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 4926 transitions. [2022-07-12 13:25:07,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-12 13:25:07,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:25:07,677 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:25:07,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 13:25:07,678 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:25:07,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:25:07,678 INFO L85 PathProgramCache]: Analyzing trace with hash -763514272, now seen corresponding path program 1 times [2022-07-12 13:25:07,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:25:07,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019445358] [2022-07-12 13:25:07,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:25:07,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:25:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 13:25:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:07,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:07,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 13:25:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:07,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:07,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 13:25:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 13:25:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 13:25:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 13:25:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 13:25:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 13:25:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 13:25:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 13:25:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:25:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 13:25:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:25:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 13:25:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:08,185 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-12 13:25:08,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:25:08,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019445358] [2022-07-12 13:25:08,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019445358] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:25:08,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:25:08,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 13:25:08,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859068112] [2022-07-12 13:25:08,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:25:08,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 13:25:08,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:25:08,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 13:25:08,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:25:08,188 INFO L87 Difference]: Start difference. First operand 3643 states and 4926 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 13:25:10,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:25:12,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:25:17,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:25:17,608 INFO L93 Difference]: Finished difference Result 10543 states and 14434 transitions. [2022-07-12 13:25:17,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 13:25:17,620 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 194 [2022-07-12 13:25:17,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:25:17,655 INFO L225 Difference]: With dead ends: 10543 [2022-07-12 13:25:17,655 INFO L226 Difference]: Without dead ends: 6903 [2022-07-12 13:25:17,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-07-12 13:25:17,671 INFO L413 NwaCegarLoop]: 1820 mSDtfsCounter, 4021 mSDsluCounter, 3249 mSDsCounter, 0 mSdLazyCounter, 3392 mSolverCounterSat, 1838 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4265 SdHoareTripleChecker+Valid, 5069 SdHoareTripleChecker+Invalid, 5230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1838 IncrementalHoareTripleChecker+Valid, 3392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:25:17,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4265 Valid, 5069 Invalid, 5230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1838 Valid, 3392 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-07-12 13:25:17,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6903 states. [2022-07-12 13:25:17,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6903 to 5972. [2022-07-12 13:25:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5972 states, 4400 states have (on average 1.3052272727272727) internal successors, (5743), 4480 states have internal predecessors, (5743), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 413 states have return successors, (1156), 1122 states have call predecessors, (1156), 1156 states have call successors, (1156) [2022-07-12 13:25:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5972 states to 5972 states and 8057 transitions. [2022-07-12 13:25:17,965 INFO L78 Accepts]: Start accepts. Automaton has 5972 states and 8057 transitions. Word has length 194 [2022-07-12 13:25:17,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:25:17,966 INFO L495 AbstractCegarLoop]: Abstraction has 5972 states and 8057 transitions. [2022-07-12 13:25:17,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 13:25:17,966 INFO L276 IsEmpty]: Start isEmpty. Operand 5972 states and 8057 transitions. [2022-07-12 13:25:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-12 13:25:17,972 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:25:17,973 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:25:17,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 13:25:17,973 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:25:17,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:25:17,974 INFO L85 PathProgramCache]: Analyzing trace with hash -114421771, now seen corresponding path program 1 times [2022-07-12 13:25:17,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:25:17,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702376788] [2022-07-12 13:25:17,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:25:17,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:25:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 13:25:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 13:25:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 13:25:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 13:25:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 13:25:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 13:25:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 13:25:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 13:25:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 13:25:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:25:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 13:25:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 13:25:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 13:25:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 13:25:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 13:25:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 13:25:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:25:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-12 13:25:18,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:25:18,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702376788] [2022-07-12 13:25:18,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702376788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:25:18,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:25:18,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 13:25:18,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834336082] [2022-07-12 13:25:18,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:25:18,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 13:25:18,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:25:18,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 13:25:18,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:25:18,431 INFO L87 Difference]: Start difference. First operand 5972 states and 8057 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:25:21,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:25:22,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:25:27,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:25:27,445 INFO L93 Difference]: Finished difference Result 12877 states and 17589 transitions. [2022-07-12 13:25:27,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:25:27,447 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 225 [2022-07-12 13:25:27,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:25:27,473 INFO L225 Difference]: With dead ends: 12877 [2022-07-12 13:25:27,473 INFO L226 Difference]: Without dead ends: 6908 [2022-07-12 13:25:27,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-12 13:25:27,492 INFO L413 NwaCegarLoop]: 1644 mSDtfsCounter, 2252 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 654 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 4586 SdHoareTripleChecker+Invalid, 2773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 654 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:25:27,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2462 Valid, 4586 Invalid, 2773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [654 Valid, 2119 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-07-12 13:25:27,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6908 states. [2022-07-12 13:25:27,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6908 to 5972. [2022-07-12 13:25:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5972 states, 4400 states have (on average 1.3038636363636364) internal successors, (5737), 4480 states have internal predecessors, (5737), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 413 states have return successors, (1156), 1122 states have call predecessors, (1156), 1156 states have call successors, (1156) [2022-07-12 13:25:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5972 states to 5972 states and 8051 transitions. [2022-07-12 13:25:27,792 INFO L78 Accepts]: Start accepts. Automaton has 5972 states and 8051 transitions. Word has length 225 [2022-07-12 13:25:27,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:25:27,793 INFO L495 AbstractCegarLoop]: Abstraction has 5972 states and 8051 transitions. [2022-07-12 13:25:27,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (25), 8 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:25:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 5972 states and 8051 transitions. [2022-07-12 13:25:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-12 13:25:27,800 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:25:27,800 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:25:27,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 13:25:27,801 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:25:27,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:25:27,801 INFO L85 PathProgramCache]: Analyzing trace with hash 2106524723, now seen corresponding path program 1 times [2022-07-12 13:25:27,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:25:27,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527409619] [2022-07-12 13:25:27,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:25:27,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:25:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 13:25:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 13:25:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 13:25:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 13:25:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:28,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 13:25:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 13:25:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 13:25:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 13:25:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 13:25:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:25:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 13:25:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 13:25:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 13:25:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 13:25:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 13:25:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 13:25:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:25:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-07-12 13:25:28,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:25:28,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527409619] [2022-07-12 13:25:28,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527409619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:25:28,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:25:28,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-07-12 13:25:28,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801551491] [2022-07-12 13:25:28,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:25:28,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-07-12 13:25:28,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:25:28,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-07-12 13:25:28,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-12 13:25:28,418 INFO L87 Difference]: Start difference. First operand 5972 states and 8051 transitions. Second operand has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:25:32,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:25:38,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:25:40,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:25:40,404 INFO L93 Difference]: Finished difference Result 14639 states and 20414 transitions. [2022-07-12 13:25:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 13:25:40,405 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) Word has length 225 [2022-07-12 13:25:40,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:25:40,438 INFO L225 Difference]: With dead ends: 14639 [2022-07-12 13:25:40,439 INFO L226 Difference]: Without dead ends: 8670 [2022-07-12 13:25:40,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2022-07-12 13:25:40,455 INFO L413 NwaCegarLoop]: 2127 mSDtfsCounter, 1727 mSDsluCounter, 15385 mSDsCounter, 0 mSdLazyCounter, 7699 mSolverCounterSat, 1081 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1871 SdHoareTripleChecker+Valid, 17512 SdHoareTripleChecker+Invalid, 8780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1081 IncrementalHoareTripleChecker+Valid, 7699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-07-12 13:25:40,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1871 Valid, 17512 Invalid, 8780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1081 Valid, 7699 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-07-12 13:25:40,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8670 states. [2022-07-12 13:25:40,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8670 to 5994. [2022-07-12 13:25:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5994 states, 4416 states have (on average 1.3027626811594204) internal successors, (5753), 4496 states have internal predecessors, (5753), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 419 states have return successors, (1180), 1128 states have call predecessors, (1180), 1156 states have call successors, (1180) [2022-07-12 13:25:40,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5994 states to 5994 states and 8091 transitions. [2022-07-12 13:25:40,674 INFO L78 Accepts]: Start accepts. Automaton has 5994 states and 8091 transitions. Word has length 225 [2022-07-12 13:25:40,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:25:40,675 INFO L495 AbstractCegarLoop]: Abstraction has 5994 states and 8091 transitions. [2022-07-12 13:25:40,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-12 13:25:40,675 INFO L276 IsEmpty]: Start isEmpty. Operand 5994 states and 8091 transitions. [2022-07-12 13:25:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-07-12 13:25:40,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:25:40,685 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:25:40,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 13:25:40,685 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:25:40,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:25:40,685 INFO L85 PathProgramCache]: Analyzing trace with hash 434745781, now seen corresponding path program 1 times [2022-07-12 13:25:40,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:25:40,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769668422] [2022-07-12 13:25:40,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:25:40,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:25:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:40,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 13:25:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:40,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:40,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 13:25:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 13:25:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 13:25:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 13:25:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 13:25:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 13:25:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 13:25:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:25:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:25:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 13:25:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 13:25:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 13:25:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-12 13:25:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-12 13:25:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 13:25:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:25:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 13:25:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 13:25:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 13:25:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-12 13:25:41,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:25:41,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769668422] [2022-07-12 13:25:41,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769668422] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:25:41,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:25:41,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 13:25:41,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431435607] [2022-07-12 13:25:41,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:25:41,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 13:25:41,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:25:41,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 13:25:41,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-07-12 13:25:41,265 INFO L87 Difference]: Start difference. First operand 5994 states and 8091 transitions. Second operand has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-12 13:25:44,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:25:50,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:25:50,458 INFO L93 Difference]: Finished difference Result 12933 states and 17657 transitions. [2022-07-12 13:25:50,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 13:25:50,459 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 245 [2022-07-12 13:25:50,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:25:50,485 INFO L225 Difference]: With dead ends: 12933 [2022-07-12 13:25:50,485 INFO L226 Difference]: Without dead ends: 6942 [2022-07-12 13:25:50,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2022-07-12 13:25:50,502 INFO L413 NwaCegarLoop]: 1644 mSDtfsCounter, 998 mSDsluCounter, 7498 mSDsCounter, 0 mSdLazyCounter, 4895 mSolverCounterSat, 729 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 9142 SdHoareTripleChecker+Invalid, 5625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 4895 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-07-12 13:25:50,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 9142 Invalid, 5625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [729 Valid, 4895 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-07-12 13:25:50,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6942 states. [2022-07-12 13:25:50,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6942 to 6042. [2022-07-12 13:25:50,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6042 states, 4446 states have (on average 1.3020692757534862) internal successors, (5789), 4532 states have internal predecessors, (5789), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1192), 1134 states have call predecessors, (1192), 1162 states have call successors, (1192) [2022-07-12 13:25:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6042 states to 6042 states and 8145 transitions. [2022-07-12 13:25:50,691 INFO L78 Accepts]: Start accepts. Automaton has 6042 states and 8145 transitions. Word has length 245 [2022-07-12 13:25:50,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:25:50,691 INFO L495 AbstractCegarLoop]: Abstraction has 6042 states and 8145 transitions. [2022-07-12 13:25:50,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-12 13:25:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand 6042 states and 8145 transitions. [2022-07-12 13:25:50,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-12 13:25:50,699 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:25:50,700 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:25:50,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 13:25:50,700 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:25:50,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:25:50,700 INFO L85 PathProgramCache]: Analyzing trace with hash -163035237, now seen corresponding path program 1 times [2022-07-12 13:25:50,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:25:50,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880330172] [2022-07-12 13:25:50,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:25:50,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:25:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 13:25:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 13:25:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 13:25:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 13:25:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 13:25:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 13:25:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 13:25:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 13:25:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:25:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:25:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 13:25:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 13:25:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 13:25:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 13:25:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 13:25:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 13:25:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 13:25:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 13:25:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 13:25:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 13:25:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:51,258 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-12 13:25:51,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:25:51,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880330172] [2022-07-12 13:25:51,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880330172] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:25:51,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754052857] [2022-07-12 13:25:51,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:25:51,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:25:51,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:25:51,261 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 13:25:51,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 13:25:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:52,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 3903 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 13:25:52,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:25:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-12 13:25:52,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:25:52,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754052857] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:25:52,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 13:25:52,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2022-07-12 13:25:52,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43248949] [2022-07-12 13:25:52,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:25:52,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:25:52,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:25:52,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:25:52,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-12 13:25:52,169 INFO L87 Difference]: Start difference. First operand 6042 states and 8145 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-12 13:25:52,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:25:52,468 INFO L93 Difference]: Finished difference Result 12112 states and 16327 transitions. [2022-07-12 13:25:52,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 13:25:52,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 246 [2022-07-12 13:25:52,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:25:52,485 INFO L225 Difference]: With dead ends: 12112 [2022-07-12 13:25:52,485 INFO L226 Difference]: Without dead ends: 6058 [2022-07-12 13:25:52,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-07-12 13:25:52,498 INFO L413 NwaCegarLoop]: 1769 mSDtfsCounter, 22 mSDsluCounter, 5294 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 7063 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:25:52,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 7063 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 13:25:52,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6058 states. [2022-07-12 13:25:52,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6058 to 6033. [2022-07-12 13:25:52,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6033 states, 4437 states have (on average 1.3008789722785665) internal successors, (5772), 4523 states have internal predecessors, (5772), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1192), 1134 states have call predecessors, (1192), 1162 states have call successors, (1192) [2022-07-12 13:25:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6033 states to 6033 states and 8128 transitions. [2022-07-12 13:25:52,673 INFO L78 Accepts]: Start accepts. Automaton has 6033 states and 8128 transitions. Word has length 246 [2022-07-12 13:25:52,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:25:52,673 INFO L495 AbstractCegarLoop]: Abstraction has 6033 states and 8128 transitions. [2022-07-12 13:25:52,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-12 13:25:52,673 INFO L276 IsEmpty]: Start isEmpty. Operand 6033 states and 8128 transitions. [2022-07-12 13:25:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-12 13:25:52,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:25:52,680 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:25:52,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-12 13:25:52,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:25:52,904 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:25:52,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:25:52,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1610975651, now seen corresponding path program 1 times [2022-07-12 13:25:52,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:25:52,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62131384] [2022-07-12 13:25:52,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:25:52,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:25:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:25:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 13:25:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 13:25:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 13:25:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 13:25:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 13:25:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:25:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:25:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:25:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:25:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 13:25:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:25:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:25:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:25:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 13:25:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 13:25:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 13:25:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 13:25:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-12 13:25:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 13:25:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 13:25:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-12 13:25:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 13:25:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-12 13:25:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:25:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-07-12 13:25:53,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:25:53,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62131384] [2022-07-12 13:25:53,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62131384] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:25:53,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:25:53,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-12 13:25:53,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153054538] [2022-07-12 13:25:53,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:25:53,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-12 13:25:53,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:25:53,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-12 13:25:53,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-07-12 13:25:53,386 INFO L87 Difference]: Start difference. First operand 6033 states and 8128 transitions. Second operand has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-12 13:25:57,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:25:58,529 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:26:02,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:26:08,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:26:08,412 INFO L93 Difference]: Finished difference Result 15589 states and 21614 transitions. [2022-07-12 13:26:08,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-12 13:26:08,412 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 266 [2022-07-12 13:26:08,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:26:08,449 INFO L225 Difference]: With dead ends: 15589 [2022-07-12 13:26:08,449 INFO L226 Difference]: Without dead ends: 9559 [2022-07-12 13:26:08,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2022-07-12 13:26:08,471 INFO L413 NwaCegarLoop]: 2227 mSDtfsCounter, 2528 mSDsluCounter, 13170 mSDsCounter, 0 mSdLazyCounter, 7732 mSolverCounterSat, 1190 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2760 SdHoareTripleChecker+Valid, 15397 SdHoareTripleChecker+Invalid, 8923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1190 IncrementalHoareTripleChecker+Valid, 7732 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:26:08,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2760 Valid, 15397 Invalid, 8923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1190 Valid, 7732 Invalid, 1 Unknown, 0 Unchecked, 14.3s Time] [2022-07-12 13:26:08,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9559 states. [2022-07-12 13:26:08,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9559 to 6705. [2022-07-12 13:26:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6705 states, 4937 states have (on average 1.2973465667409358) internal successors, (6405), 5028 states have internal predecessors, (6405), 1265 states have call successors, (1265), 484 states have call predecessors, (1265), 502 states have return successors, (1300), 1241 states have call predecessors, (1300), 1263 states have call successors, (1300) [2022-07-12 13:26:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 8970 transitions. [2022-07-12 13:26:08,744 INFO L78 Accepts]: Start accepts. Automaton has 6705 states and 8970 transitions. Word has length 266 [2022-07-12 13:26:08,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:26:08,745 INFO L495 AbstractCegarLoop]: Abstraction has 6705 states and 8970 transitions. [2022-07-12 13:26:08,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-12 13:26:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 6705 states and 8970 transitions. [2022-07-12 13:26:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-12 13:26:08,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:26:08,761 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:26:08,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 13:26:08,761 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:26:08,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:26:08,762 INFO L85 PathProgramCache]: Analyzing trace with hash 731086378, now seen corresponding path program 1 times [2022-07-12 13:26:08,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:26:08,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089882030] [2022-07-12 13:26:08,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:08,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:26:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:08,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:26:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 13:26:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:26:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 13:26:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 13:26:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:26:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 13:26:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 13:26:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-12 13:26:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 13:26:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:26:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:26:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:26:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 13:26:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 13:26:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:26:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 13:26:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 13:26:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 13:26:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 13:26:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:26:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 13:26:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 13:26:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:09,513 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-12 13:26:09,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:26:09,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089882030] [2022-07-12 13:26:09,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089882030] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:26:09,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169514411] [2022-07-12 13:26:09,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:09,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:26:09,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:26:09,527 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 13:26:09,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 13:26:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:10,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 4012 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-12 13:26:10,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:26:10,892 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-12 13:26:10,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:26:10,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169514411] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:26:10,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 13:26:10,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [16] total 18 [2022-07-12 13:26:10,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732579681] [2022-07-12 13:26:10,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:26:10,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 13:26:10,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:26:10,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 13:26:10,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2022-07-12 13:26:10,895 INFO L87 Difference]: Start difference. First operand 6705 states and 8970 transitions. Second operand has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 7 states have internal predecessors, (138), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-12 13:26:12,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:26:12,661 INFO L93 Difference]: Finished difference Result 19317 states and 25850 transitions. [2022-07-12 13:26:12,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 13:26:12,662 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 7 states have internal predecessors, (138), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 272 [2022-07-12 13:26:12,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:26:12,712 INFO L225 Difference]: With dead ends: 19317 [2022-07-12 13:26:12,713 INFO L226 Difference]: Without dead ends: 13003 [2022-07-12 13:26:12,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 342 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2022-07-12 13:26:12,742 INFO L413 NwaCegarLoop]: 2023 mSDtfsCounter, 1757 mSDsluCounter, 12828 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1773 SdHoareTripleChecker+Valid, 14851 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:26:12,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1773 Valid, 14851 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 13:26:12,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13003 states. [2022-07-12 13:26:13,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13003 to 12938. [2022-07-12 13:26:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12938 states, 9502 states have (on average 1.2941486002946747) internal successors, (12297), 9694 states have internal predecessors, (12297), 2444 states have call successors, (2444), 933 states have call predecessors, (2444), 991 states have return successors, (2545), 2403 states have call predecessors, (2545), 2442 states have call successors, (2545) [2022-07-12 13:26:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12938 states to 12938 states and 17286 transitions. [2022-07-12 13:26:13,337 INFO L78 Accepts]: Start accepts. Automaton has 12938 states and 17286 transitions. Word has length 272 [2022-07-12 13:26:13,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:26:13,337 INFO L495 AbstractCegarLoop]: Abstraction has 12938 states and 17286 transitions. [2022-07-12 13:26:13,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 7 states have internal predecessors, (138), 4 states have call successors, (33), 3 states have call predecessors, (33), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-12 13:26:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 12938 states and 17286 transitions. [2022-07-12 13:26:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-12 13:26:13,353 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:26:13,353 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:26:13,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 13:26:13,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-12 13:26:13,568 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:26:13,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:26:13,568 INFO L85 PathProgramCache]: Analyzing trace with hash 971422875, now seen corresponding path program 1 times [2022-07-12 13:26:13,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:26:13,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977397757] [2022-07-12 13:26:13,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:13,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:26:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:26:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 13:26:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 13:26:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 13:26:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 13:26:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:26:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 13:26:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 13:26:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-12 13:26:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 13:26:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 13:26:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:26:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:26:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:13,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 13:26:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:14,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 13:26:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:14,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 13:26:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 13:26:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:14,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 13:26:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:14,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 13:26:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:14,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 13:26:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:26:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 13:26:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 13:26:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-12 13:26:14,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:26:14,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977397757] [2022-07-12 13:26:14,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977397757] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:26:14,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892849131] [2022-07-12 13:26:14,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:14,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:26:14,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:26:14,096 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 13:26:14,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 13:26:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:16,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 4026 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-12 13:26:16,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:26:16,452 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-07-12 13:26:16,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:26:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-12 13:26:16,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892849131] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:26:16,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 13:26:16,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 19 [2022-07-12 13:26:16,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694612871] [2022-07-12 13:26:16,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 13:26:16,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-12 13:26:16,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:26:16,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-12 13:26:16,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-07-12 13:26:16,926 INFO L87 Difference]: Start difference. First operand 12938 states and 17286 transitions. Second operand has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 13:26:20,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:26:23,565 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 [] [2022-07-12 13:26:33,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:26:33,754 INFO L93 Difference]: Finished difference Result 27818 states and 37625 transitions. [2022-07-12 13:26:33,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 13:26:33,755 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 272 [2022-07-12 13:26:33,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:26:33,814 INFO L225 Difference]: With dead ends: 27818 [2022-07-12 13:26:33,814 INFO L226 Difference]: Without dead ends: 14714 [2022-07-12 13:26:33,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=747, Unknown=0, NotChecked=0, Total=930 [2022-07-12 13:26:33,840 INFO L413 NwaCegarLoop]: 1632 mSDtfsCounter, 621 mSDsluCounter, 12576 mSDsCounter, 0 mSdLazyCounter, 8178 mSolverCounterSat, 415 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 681 SdHoareTripleChecker+Valid, 14208 SdHoareTripleChecker+Invalid, 8594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 415 IncrementalHoareTripleChecker+Valid, 8178 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:26:33,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [681 Valid, 14208 Invalid, 8594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [415 Valid, 8178 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2022-07-12 13:26:33,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14714 states. [2022-07-12 13:26:34,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14714 to 12925. [2022-07-12 13:26:34,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12925 states, 9502 states have (on average 1.2927804672700485) internal successors, (12284), 9681 states have internal predecessors, (12284), 2444 states have call successors, (2444), 933 states have call predecessors, (2444), 978 states have return successors, (2532), 2403 states have call predecessors, (2532), 2442 states have call successors, (2532) [2022-07-12 13:26:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12925 states to 12925 states and 17260 transitions. [2022-07-12 13:26:34,331 INFO L78 Accepts]: Start accepts. Automaton has 12925 states and 17260 transitions. Word has length 272 [2022-07-12 13:26:34,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:26:34,331 INFO L495 AbstractCegarLoop]: Abstraction has 12925 states and 17260 transitions. [2022-07-12 13:26:34,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 13:26:34,332 INFO L276 IsEmpty]: Start isEmpty. Operand 12925 states and 17260 transitions. [2022-07-12 13:26:34,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-12 13:26:34,349 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:26:34,349 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:26:34,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-12 13:26:34,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:26:34,564 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:26:34,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:26:34,564 INFO L85 PathProgramCache]: Analyzing trace with hash -705914507, now seen corresponding path program 2 times [2022-07-12 13:26:34,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:26:34,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349289572] [2022-07-12 13:26:34,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:34,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:26:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:26:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 13:26:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 13:26:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 13:26:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 13:26:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:26:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 13:26:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 13:26:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-12 13:26:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 13:26:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 13:26:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:26:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:26:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 13:26:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 13:26:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 13:26:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-12 13:26:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 13:26:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 13:26:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-12 13:26:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 13:26:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 13:26:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-12 13:26:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-12 13:26:35,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:26:35,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349289572] [2022-07-12 13:26:35,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349289572] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:26:35,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57496701] [2022-07-12 13:26:35,147 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:26:35,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:26:35,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:26:35,148 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 13:26:35,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 13:26:39,227 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-12 13:26:39,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:26:39,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 13:26:39,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:26:39,372 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-07-12 13:26:39,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:26:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-12 13:26:39,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57496701] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:26:39,762 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 13:26:39,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2022-07-12 13:26:39,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976945457] [2022-07-12 13:26:39,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 13:26:39,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-12 13:26:39,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:26:39,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-12 13:26:39,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2022-07-12 13:26:39,766 INFO L87 Difference]: Start difference. First operand 12925 states and 17260 transitions. Second operand has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 13:26:44,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:26:52,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:26:52,440 INFO L93 Difference]: Finished difference Result 27781 states and 37527 transitions. [2022-07-12 13:26:52,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-12 13:26:52,441 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 273 [2022-07-12 13:26:52,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:26:52,502 INFO L225 Difference]: With dead ends: 27781 [2022-07-12 13:26:52,503 INFO L226 Difference]: Without dead ends: 14755 [2022-07-12 13:26:52,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=224, Invalid=1182, Unknown=0, NotChecked=0, Total=1406 [2022-07-12 13:26:52,545 INFO L413 NwaCegarLoop]: 1633 mSDtfsCounter, 1135 mSDsluCounter, 10589 mSDsCounter, 0 mSdLazyCounter, 6697 mSolverCounterSat, 807 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 12222 SdHoareTripleChecker+Invalid, 7504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 807 IncrementalHoareTripleChecker+Valid, 6697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-07-12 13:26:52,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 12222 Invalid, 7504 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [807 Valid, 6697 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2022-07-12 13:26:52,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14755 states. [2022-07-12 13:26:53,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14755 to 12966. [2022-07-12 13:26:53,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12966 states, 9539 states have (on average 1.2920641576685188) internal successors, (12325), 9718 states have internal predecessors, (12325), 2444 states have call successors, (2444), 937 states have call predecessors, (2444), 982 states have return successors, (2532), 2403 states have call predecessors, (2532), 2442 states have call successors, (2532) [2022-07-12 13:26:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12966 states to 12966 states and 17301 transitions. [2022-07-12 13:26:53,229 INFO L78 Accepts]: Start accepts. Automaton has 12966 states and 17301 transitions. Word has length 273 [2022-07-12 13:26:53,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:26:53,229 INFO L495 AbstractCegarLoop]: Abstraction has 12966 states and 17301 transitions. [2022-07-12 13:26:53,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 13:26:53,230 INFO L276 IsEmpty]: Start isEmpty. Operand 12966 states and 17301 transitions. [2022-07-12 13:26:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-12 13:26:53,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:26:53,247 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 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] [2022-07-12 13:26:53,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 13:26:53,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:26:53,476 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:26:53,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:26:53,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1163765797, now seen corresponding path program 3 times [2022-07-12 13:26:53,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:26:53,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430484144] [2022-07-12 13:26:53,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:53,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:26:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:26:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 13:26:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 13:26:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 13:26:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 13:26:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:26:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 13:26:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-12 13:26:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-12 13:26:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 13:26:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 13:26:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:26:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 13:26:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 13:26:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 13:26:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 13:26:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 13:26:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 13:26:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 13:26:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-12 13:26:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 13:26:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-12 13:26:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 13:26:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-12 13:26:54,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:26:54,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430484144] [2022-07-12 13:26:54,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430484144] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:26:54,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657260657] [2022-07-12 13:26:54,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-12 13:26:54,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:26:54,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:26:54,259 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 13:26:54,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 13:27:22,981 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-07-12 13:27:22,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:27:23,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 4056 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-12 13:27:23,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:27:23,191 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-07-12 13:27:23,192 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:27:23,548 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-07-12 13:27:23,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657260657] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:27:23,548 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 13:27:23,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 24 [2022-07-12 13:27:23,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111523019] [2022-07-12 13:27:23,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 13:27:23,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-12 13:27:23,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:27:23,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-12 13:27:23,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2022-07-12 13:27:23,550 INFO L87 Difference]: Start difference. First operand 12966 states and 17301 transitions. Second operand has 24 states, 22 states have (on average 9.227272727272727) internal successors, (203), 18 states have internal predecessors, (203), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 13:27:27,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:27:38,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:27:38,151 INFO L93 Difference]: Finished difference Result 27847 states and 37589 transitions. [2022-07-12 13:27:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-12 13:27:38,152 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 9.227272727272727) internal successors, (203), 18 states have internal predecessors, (203), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 274 [2022-07-12 13:27:38,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:27:38,189 INFO L225 Difference]: With dead ends: 27847 [2022-07-12 13:27:38,190 INFO L226 Difference]: Without dead ends: 14772 [2022-07-12 13:27:38,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 608 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=189, Invalid=1071, Unknown=0, NotChecked=0, Total=1260 [2022-07-12 13:27:38,213 INFO L413 NwaCegarLoop]: 1635 mSDtfsCounter, 1833 mSDsluCounter, 14668 mSDsCounter, 0 mSdLazyCounter, 9144 mSolverCounterSat, 1440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1892 SdHoareTripleChecker+Valid, 16303 SdHoareTripleChecker+Invalid, 10584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1440 IncrementalHoareTripleChecker+Valid, 9144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-07-12 13:27:38,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1892 Valid, 16303 Invalid, 10584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1440 Valid, 9144 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2022-07-12 13:27:38,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14772 states. [2022-07-12 13:27:38,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14772 to 12983. [2022-07-12 13:27:38,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12983 states, 9556 states have (on average 1.291544579321892) internal successors, (12342), 9735 states have internal predecessors, (12342), 2444 states have call successors, (2444), 937 states have call predecessors, (2444), 982 states have return successors, (2532), 2403 states have call predecessors, (2532), 2442 states have call successors, (2532) [2022-07-12 13:27:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12983 states to 12983 states and 17318 transitions. [2022-07-12 13:27:38,696 INFO L78 Accepts]: Start accepts. Automaton has 12983 states and 17318 transitions. Word has length 274 [2022-07-12 13:27:38,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:27:38,698 INFO L495 AbstractCegarLoop]: Abstraction has 12983 states and 17318 transitions. [2022-07-12 13:27:38,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 9.227272727272727) internal successors, (203), 18 states have internal predecessors, (203), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 13:27:38,699 INFO L276 IsEmpty]: Start isEmpty. Operand 12983 states and 17318 transitions. [2022-07-12 13:27:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-07-12 13:27:38,714 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:27:38,714 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 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] [2022-07-12 13:27:38,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-12 13:27:38,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-12 13:27:38,935 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:27:38,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:27:38,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1822713397, now seen corresponding path program 4 times [2022-07-12 13:27:38,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:27:38,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635471121] [2022-07-12 13:27:38,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:27:38,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:27:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 13:27:40,484 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 13:27:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 13:27:42,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 13:27:42,053 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 13:27:42,055 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 13:27:42,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 13:27:42,058 INFO L356 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:27:42,061 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 13:27:42,105 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-07-12 13:27:42,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 01:27:42 BoogieIcfgContainer [2022-07-12 13:27:42,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 13:27:42,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 13:27:42,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 13:27:42,282 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 13:27:42,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:24:57" (3/4) ... [2022-07-12 13:27:42,285 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 13:27:42,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 13:27:42,285 INFO L158 Benchmark]: Toolchain (without parser) took 172549.21ms. Allocated memory was 146.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 94.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 271.9MB. Max. memory is 16.1GB. [2022-07-12 13:27:42,286 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 13:27:42,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2853.00ms. Allocated memory was 146.8MB in the beginning and 358.6MB in the end (delta: 211.8MB). Free memory was 94.0MB in the beginning and 236.8MB in the end (delta: -142.8MB). Peak memory consumption was 141.8MB. Max. memory is 16.1GB. [2022-07-12 13:27:42,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 214.62ms. Allocated memory is still 358.6MB. Free memory was 236.8MB in the beginning and 210.6MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-07-12 13:27:42,286 INFO L158 Benchmark]: Boogie Preprocessor took 226.51ms. Allocated memory is still 358.6MB. Free memory was 210.6MB in the beginning and 184.4MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-12 13:27:42,287 INFO L158 Benchmark]: RCFGBuilder took 4883.19ms. Allocated memory was 358.6MB in the beginning and 799.0MB in the end (delta: 440.4MB). Free memory was 183.3MB in the beginning and 355.5MB in the end (delta: -172.2MB). Peak memory consumption was 424.9MB. Max. memory is 16.1GB. [2022-07-12 13:27:42,287 INFO L158 Benchmark]: TraceAbstraction took 164364.13ms. Allocated memory was 799.0MB in the beginning and 1.6GB in the end (delta: 759.2MB). Free memory was 355.5MB in the beginning and 1.2GB in the end (delta: -877.9MB). Peak memory consumption was 644.0MB. Max. memory is 16.1GB. [2022-07-12 13:27:42,287 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 418.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 13:27:42,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2853.00ms. Allocated memory was 146.8MB in the beginning and 358.6MB in the end (delta: 211.8MB). Free memory was 94.0MB in the beginning and 236.8MB in the end (delta: -142.8MB). Peak memory consumption was 141.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 214.62ms. Allocated memory is still 358.6MB. Free memory was 236.8MB in the beginning and 210.6MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 226.51ms. Allocated memory is still 358.6MB. Free memory was 210.6MB in the beginning and 184.4MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4883.19ms. Allocated memory was 358.6MB in the beginning and 799.0MB in the end (delta: 440.4MB). Free memory was 183.3MB in the beginning and 355.5MB in the end (delta: -172.2MB). Peak memory consumption was 424.9MB. Max. memory is 16.1GB. * TraceAbstraction took 164364.13ms. Allocated memory was 799.0MB in the beginning and 1.6GB in the end (delta: 759.2MB). Free memory was 355.5MB in the beginning and 1.2GB in the end (delta: -877.9MB). Peak memory consumption was 644.0MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 1.6GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 418.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13209]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10111, overapproximation of bitwiseOr at line 10305. Possible FailurePath: [L6776] int LDV_IN_INTERRUPT = 1; [L6777] struct file *xenvif_dbg_io_ring_ops_fops_group2 ; [L6778] struct net_device *xenvif_netdev_ops_group1 ; [L6779] struct inode *xenvif_dbg_io_ring_ops_fops_group1 ; [L6780] struct xenbus_device *netback_driver_group0 ; [L6781] int ldv_state_variable_0 ; [L6782] int ldv_state_variable_5 ; [L6783] int ldv_state_variable_3 ; [L6784] struct net_device *xenvif_ethtool_ops_group0 ; [L6785] int ldv_timer_state_1 = 0; [L6786] int ldv_state_variable_2 ; [L6787] int ref_cnt ; [L6788] int ldv_state_variable_1 ; [L6789] struct timer_list *ldv_timer_list_1 ; [L6790] int ldv_state_variable_4 ; [L7425] unsigned int xenvif_max_queues ; [L7497] bool separate_tx_rx_irq = 1; [L7498] unsigned int rx_drain_timeout_msecs = 10000U; [L7499] unsigned int rx_stall_timeout_msecs = 60000U; [L7500] static unsigned int fatal_skb_slots = 20U; [L10142] int ldv_retval_1 ; [L10411] struct dentry *xen_netback_dbg_root = (struct dentry *)0; [L10523-L10526] static struct file_operations const xenvif_dbg_io_ring_ops_fops = {& __this_module, & seq_lseek, & seq_read, & xenvif_write_io_ring, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_dump_open, 0, & single_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L11582-L11583] static struct xenbus_device_id const netback_ids[2U] = { {{'v', 'i', 'f', '\000'}}, {{'\000'}}}; [L11584-L11587] static struct xenbus_driver netback_driver = {0, (struct xenbus_device_id const *)(& netback_ids), & netback_probe, & frontend_changed, & netback_remove, 0, 0, & netback_uevent, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0}; [L11602] int ldv_retval_0 ; [L11603] int ldv_retval_4 ; [L12362-L12371] static struct xenvif_stat const xenvif_stats[5U] = { {{'r', 'x', '_', 'g', 's', 'o', '_', 'c', 'h', 'e', 'c', 'k', 's', 'u', 'm', '_', 'f', 'i', 'x', 'u', 'p', '\000'}, 16U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'e', 'n', 't', '\000'}, 24U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'u', 'c', 'c', 'e', 's', 's', '\000'}, 32U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 'f', 'a', 'i', 'l', '\000'}, 40U}, {{'t', 'x', '_', 'f', 'r', 'a', 'g', '_', 'o', 'v', 'e', 'r', 'f', 'l', 'o', 'w', '\000'}, 48U}}; [L12445-L12448] static struct ethtool_ops const xenvif_ethtool_ops = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & ethtool_op_get_link, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_get_strings, 0, & xenvif_get_ethtool_stats, 0, 0, 0, 0, & xenvif_get_sset_count, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12449-L12454] static struct net_device_ops const xenvif_netdev_ops = {0, 0, & xenvif_open, & xenvif_close, (netdev_tx_t (*)(struct sk_buff * , struct net_device * ))(& xenvif_start_xmit), 0, 0, 0, & eth_mac_addr, & eth_validate_addr, 0, 0, & xenvif_change_mtu, 0, 0, 0, & xenvif_get_stats, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_fix_features, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12856] int ldv_retval_3 ; [L12857] int ldv_retval_2 ; [L13248] int ldv_module_refcounter = 1; VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10151] int tmp ; [L10152] int tmp___0 ; [L10154] FCALL ldv_initialize() [L10155] ldv_state_variable_4 = 0 [L10156] ldv_state_variable_1 = 1 [L10157] ref_cnt = 0 [L10158] ldv_state_variable_0 = 1 [L10159] ldv_state_variable_3 = 0 [L10160] ldv_state_variable_2 = 0 [L10161] ldv_state_variable_5 = 0 VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: [L10171] case 1: [L10173] case 2: VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10174] COND TRUE ldv_state_variable_0 != 0 [L10175] tmp___0 = __VERIFIER_nondet_int() [L10177] case 0: [L10185] case 1: VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10186] COND TRUE ldv_state_variable_0 == 1 [L10187] CALL, EXPR netback_init() [L10090] int rc ; [L10091] long tmp ; [L10092] bool tmp___0 ; [L10094] rc = 0 VAL [__this_module={255:-254}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10095] COND FALSE !((unsigned int )xen_domain_type == 0U) [L10099] CALL, EXPR cpumask_weight(cpu_online_mask) [L6561] int tmp ; [L6563] CALL, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6551] int tmp___0 ; [L6553] CALL, EXPR __bitmap_weight(src, nbits) [L13332] return __VERIFIER_nondet_int(); [L6553] RET, EXPR __bitmap_weight(src, nbits) [L6553] tmp___0 = __bitmap_weight(src, nbits) [L6554] return (tmp___0); VAL [\old(nbits)=17, \result=245, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, nbits=17, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, src={36893488147419103255:36893488147419103260}, src={36893488147419103255:36893488147419103260}, tmp___0=245, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6563] RET, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6563] tmp = bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6564] return ((unsigned int )tmp); VAL [\result=245, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, srcp={36893488147419103255:36893488147419103260}, srcp={36893488147419103255:36893488147419103260}, tmp=245, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10099] RET, EXPR cpumask_weight(cpu_online_mask) [L10099] xenvif_max_queues = cpumask_weight(cpu_online_mask) [L10100] COND FALSE !(fatal_skb_slots <= 17U) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10106] CALL, EXPR xenvif_xenbus_init() [L11590] int tmp ; [L11592] CALL, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L13376] return __VERIFIER_nondet_int(); [L11592] RET, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11592] tmp = __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11593] return (tmp); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10106] RET, EXPR xenvif_xenbus_init() [L10106] rc = xenvif_xenbus_init() [L10107] COND FALSE !(rc != 0) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10111] CALL, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={255:-254}, arg0={69:0}, arg1={0:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] CALL, EXPR ldv_malloc(sizeof(struct dentry)) VAL [\old(size)=300, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND TRUE tmp___0 != 0 [L6700] return ((void *)0); VAL [\old(size)=300, \result={0:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=300, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] RET, EXPR ldv_malloc(sizeof(struct dentry)) VAL [__this_module={255:-254}, arg0={69:0}, arg0={69:0}, arg1={0:0}, arg1={0:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct dentry))={0:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13419] return ldv_malloc(sizeof(struct dentry)); [L10111] RET, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, debugfs_create_dir("xen-netback", (struct dentry *)0)={0:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10111] xen_netback_dbg_root = debugfs_create_dir("xen-netback", (struct dentry *)0) [L10112] CALL, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10251] bool tmp ; [L10253] CALL, EXPR ldv_is_err_or_null(ptr) [L13232] bool tmp ; [L13233] int tmp___0 ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13235] COND TRUE (unsigned long )ptr == (unsigned long )((void const *)0) [L13236] tmp___0 = 1 VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13245] return ((bool )tmp___0); VAL [\result=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10253] RET, EXPR ldv_is_err_or_null(ptr) [L10253] tmp = ldv_is_err_or_null(ptr) [L10254] return (tmp); VAL [\result=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10112] RET, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, IS_ERR_OR_NULL((void const *)xen_netback_dbg_root)=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10112] tmp___0 = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) [L10113] COND TRUE (int )tmp___0 VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] CALL, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10243] long tmp ; [L10245] CALL, EXPR ldv_ptr_err(ptr) [L13227] return ((long )(2012UL - (unsigned long )ptr)); VAL [\result=2012, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10245] RET, EXPR ldv_ptr_err(ptr) [L10245] tmp = ldv_ptr_err(ptr) [L10246] return (tmp); VAL [\result=2012, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] RET, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, PTR_ERR((void const *)xen_netback_dbg_root)=2012, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10114] tmp = PTR_ERR((void const *)xen_netback_dbg_root) [L10118] return (0); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10187] RET, EXPR netback_init() [L10187] ldv_retval_1 = netback_init() [L10188] COND TRUE ldv_retval_1 == 0 [L10189] ldv_state_variable_0 = 3 [L10190] ldv_state_variable_5 = 1 [L10191] CALL ldv_file_operations_5() [L11615] void *tmp ; [L11616] void *tmp___0 ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] CALL, EXPR ldv_init_zalloc(1000UL) VAL [\old(size)=1000, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1000, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1000, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1000, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=1000, \result={-18446744073709551617:0}, __this_module={255:-254}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] RET, EXPR ldv_init_zalloc(1000UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1000UL)={-18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11618] tmp = ldv_init_zalloc(1000UL) [L11619] xenvif_dbg_io_ring_ops_fops_group1 = (struct inode *)tmp VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] CALL, EXPR ldv_init_zalloc(504UL) VAL [\old(size)=504, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=504, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=504, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551618:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=504, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551618:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=504, \result={18446744073709551618:0}, __this_module={255:-254}, calloc(1UL, size)={18446744073709551618:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551618:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] RET, EXPR ldv_init_zalloc(504UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(504UL)={18446744073709551618:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11620] tmp___0 = ldv_init_zalloc(504UL) [L11621] xenvif_dbg_io_ring_ops_fops_group2 = (struct file *)tmp___0 VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709551617:0}, tmp___0={18446744073709551618:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10191] RET ldv_file_operations_5() [L10192] ldv_state_variable_3 = 1 [L10193] CALL ldv_initialize_ethtool_ops_3() [L12896] void *tmp ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654847:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=3008, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654847:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654847:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-55340232221128654847:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654847:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654847:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-55340232221128654847:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=3008, \result={-55340232221128654847:0}, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654847:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654847:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-55340232221128654847:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={-55340232221128654847:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12898] tmp = ldv_init_zalloc(3008UL) [L12899] xenvif_ethtool_ops_group0 = (struct net_device *)tmp VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-55340232221128654847:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10193] RET ldv_initialize_ethtool_ops_3() [L10194] ldv_state_variable_4 = 1 [L10195] CALL ldv_initialize_xenbus_driver_4() [L11606] void *tmp ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] CALL, EXPR ldv_init_zalloc(1664UL) VAL [\old(size)=1664, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1664, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1664, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1664, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=1664, \result={-55340232221128654849:0}, __this_module={255:-254}, calloc(1UL, size)={-55340232221128654849:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-55340232221128654849:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] RET, EXPR ldv_init_zalloc(1664UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1664UL)={-55340232221128654849:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={0:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11608] tmp = ldv_init_zalloc(1664UL) [L11609] netback_driver_group0 = (struct xenbus_device *)tmp VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-55340232221128654849:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10195] RET ldv_initialize_xenbus_driver_4() [L10198] COND FALSE !(ldv_retval_1 != 0) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10166] COND TRUE ldv_state_variable_4 != 0 [L10167] CALL ldv_main_exported_4() [L11627] struct xenbus_device_id *ldvarg2 ; [L11628] void *tmp ; [L11629] enum xenbus_state ldvarg0 ; [L11630] struct kobj_uevent_env *ldvarg1 ; [L11631] void *tmp___0 ; [L11632] int tmp___1 ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] CALL, EXPR ldv_init_zalloc(32UL) VAL [\old(size)=32, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=32, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=32, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=32, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=32, \result={36893488147419103233:0}, __this_module={255:-254}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] RET, EXPR ldv_init_zalloc(32UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(32UL)={36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11634] tmp = ldv_init_zalloc(32UL) [L11635] ldvarg2 = (struct xenbus_device_id *)tmp VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg2={36893488147419103233:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] CALL, EXPR ldv_init_zalloc(2336UL) VAL [\old(size)=2336, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2336, __this_module={255:-254}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=2336, __this_module={255:-254}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2336, __this_module={255:-254}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6736] return (p); VAL [\old(size)=2336, \result={18446744073709551617:0}, __this_module={255:-254}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] RET, EXPR ldv_init_zalloc(2336UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2336UL)={18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg2={36893488147419103233:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11636] tmp___0 = ldv_init_zalloc(2336UL) [L11637] ldvarg1 = (struct kobj_uevent_env *)tmp___0 VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg1={18446744073709551617:0}, ldvarg2={36893488147419103233:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, tmp___0={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11638] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [\old(c)=0, \old(n)=4, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6741] void *tmp ; VAL [\old(c)=0, \old(n)=4, __this_module={255:-254}, c=0, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6743] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, __this_module={255:-254}, c=0, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, memset(s, c, n)={36893488147419103236:0}, n=4, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6743] tmp = memset(s, c, n) [L6744] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103236:0}, __this_module={255:-254}, c=0, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, tmp={36893488147419103236:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11638] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={36893488147419103236:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg1={18446744073709551617:0}, ldvarg2={36893488147419103233:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, tmp___0={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11639] tmp___1 = __VERIFIER_nondet_int() [L11641] case 0: VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg1={18446744073709551617:0}, ldvarg2={36893488147419103233:0}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={36893488147419103233:0}, tmp___0={18446744073709551617:0}, tmp___1=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11642] COND TRUE ldv_state_variable_4 == 1 [L11643] CALL netback_probe(netback_driver_group0, (struct xenbus_device_id const *)ldvarg2) [L10632] char const *message ; [L10633] struct xenbus_transaction xbt ; [L10634] int err ; [L10635] int sg ; [L10636] char const *script ; [L10637] struct backend_info *be ; [L10638] void *tmp ; [L10639] struct xenbus_transaction __constr_expr_0 ; [L10640] struct _ddebug descriptor ; [L10641] long tmp___0 ; [L10642] struct xenbus_transaction __constr_expr_1 ; [L10643] struct _ddebug descriptor___0 ; [L10644] long tmp___1 ; [L10645] struct xenbus_transaction __constr_expr_2 ; [L10646] void *tmp___2 ; [L10647] long tmp___3 ; [L10648] bool tmp___4 ; [L10649] struct _ddebug descriptor___1 ; [L10650] long tmp___5 ; VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] CALL, EXPR kzalloc(72UL, 208U) VAL [\old(flags)=208, \old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10303] void *tmp ; VAL [\old(flags)=208, \old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10294] void *tmp___2 ; [L10296] CALL, EXPR __kmalloc(size, flags) [L10289] CALL, EXPR ldv_malloc(size) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND FALSE !(tmp___0 != 0) [L6702] tmp = malloc(size) [L6703] p = tmp VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6704] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6704] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] CALL, EXPR IS_ERR(p) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11777] bool tmp ; VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13215] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] RET, EXPR ldv_is_err(ptr) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11779] tmp = ldv_is_err(ptr) [L11780] return (tmp); VAL [\result=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] RET, EXPR IS_ERR(p) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={255:-254}, cond=1, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6705] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6706] return (p); VAL [\old(size)=72, \result={-18446744073709549604:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10289] RET, EXPR ldv_malloc(size) VAL [\old(size)=72, \old(t)=36893488147419103253, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-18446744073709549604:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, t=36893488147419103253, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10289] return ldv_malloc(size); [L10296] RET, EXPR __kmalloc(size, flags) [L10296] tmp___2 = __kmalloc(size, flags) [L10297] return (tmp___2); VAL [\old(flags)=21, \old(size)=72, \result={-18446744073709549604:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, flags=21, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp___2={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(size)=72, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, flags=208, kmalloc(size, flags | 32768U)={-18446744073709549604:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10305] tmp = kmalloc(size, flags | 32768U) [L10306] return (tmp); VAL [\old(flags)=208, \old(size)=72, \result={-18446744073709549604:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] RET, EXPR kzalloc(72UL, 208U) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, kzalloc(72UL, 208U)={-18446744073709549604:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10652] tmp = kzalloc(72UL, 208U) [L10653] be = (struct backend_info *)tmp VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10654] COND FALSE !((unsigned long )be == (unsigned long )((struct backend_info *)0)) [L10659] be->dev = dev VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10660] CALL dev_set_drvdata(& dev->dev, (void *)be) VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, data={-18446744073709549604:0}, dev={-55340232221128654849:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10323] dev->driver_data = data VAL [__this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, data={-18446744073709549604:0}, data={-18446744073709549604:0}, dev={-55340232221128654849:60}, dev={-55340232221128654849:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10660] RET dev_set_drvdata(& dev->dev, (void *)be) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10661] sg = 1 VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10663] CALL, EXPR xenbus_transaction_start(& xbt) [L13713] return __VERIFIER_nondet_int(); [L10663] RET, EXPR xenbus_transaction_start(& xbt) [L10663] err = xenbus_transaction_start(& xbt) [L10664] COND TRUE err != 0 VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10779] descriptor___1.modname = "xen_netback" [L10780] descriptor___1.function = "netback_probe" [L10781] descriptor___1.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c" [L10782] descriptor___1.format = "failed\n" [L10783] descriptor___1.lineno = 380U [L10784] descriptor___1.flags = 0U [L10785] EXPR descriptor___1.flags VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, descriptor___1.flags=0, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] CALL, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L6773] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={255:-254}, c=0, cpu_online_mask={36893488147419103255:36893488147419103260}, exp=0, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] RET, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, descriptor___1.flags=0, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10785] tmp___5 = ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) [L10786] COND FALSE !(tmp___5 != 0L) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103237:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, err=1, fatal_skb_slots=20, id={36893488147419103233:0}, id={36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, tmp___5=0, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10790] CALL netback_remove(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10607] struct backend_info *be ; [L10608] void *tmp ; [L10609] struct xenbus_transaction __constr_expr_0 ; VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10611] CALL, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10317] EXPR dev->driver_data [L10317] return ((void *)dev->driver_data); [L10611] RET, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, dev_get_drvdata((struct device const *)(& dev->dev))={-18446744073709549604:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10611] tmp = dev_get_drvdata((struct device const *)(& dev->dev)) [L10612] be = (struct backend_info *)tmp VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10613] CALL set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10988] EXPR be->state VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(state)=6, __this_module={255:-254}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, be->state=4294967302, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, state=6, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10988] COND FALSE !((unsigned int )be->state != (unsigned int )state) [L10613] RET set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10614] CALL unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11228] EXPR (unsigned char *)be + 56UL VAL [(unsigned char *)be + 56UL=768, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11228] COND FALSE !((unsigned int )*((unsigned char *)be + 56UL) != 0U) [L11233] be->have_hotplug_status_watch = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10614] RET unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10615] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10615] COND TRUE (unsigned long )be->vif != (unsigned long )((struct xenvif *)0) [L10616] CALL kobject_uevent(& dev->dev.kobj, 5) VAL [\old(arg1)=5, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, arg0={-55340232221128654849:76}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13496] return __VERIFIER_nondet_int(); [L10616] RET kobject_uevent(& dev->dev.kobj, 5) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, kobject_uevent(& dev->dev.kobj, 5)=246, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10617] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10617] CALL xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11216] EXPR vif->credit_watch.node VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->credit_watch.node={247:18446744073709551369}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L11216] COND FALSE !((unsigned long )vif->credit_watch.node != (unsigned long )((char const *)0)) [L10617] RET xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={255:-254}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={-55340232221128654849:0}, dev={-55340232221128654849:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L10618] __constr_expr_0.id = 0U [L10619] EXPR dev->nodename [L10619] CALL xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L13694] return __VERIFIER_nondet_int(); [L10619] RET xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L10620] EXPR be->vif [L10620] CALL xenvif_free(be->vif) [L12828] struct xenvif_queue *queue ; [L12829] unsigned int num_queues ; [L12830] unsigned int queue_index ; [L12832] queue = (struct xenvif_queue *)0 [L12833] EXPR vif->num_queues [L12833] num_queues = vif->num_queues [L12834] EXPR vif->dev [L12834] CALL ldv_unregister_netdev_22(vif->dev) [L13184] FCALL unregister_netdev(dev) [L13185] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={36893488147419103257:36893488147419103274}, dev={36893488147419103257:36893488147419103274}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12834] RET ldv_unregister_netdev_22(vif->dev) [L12835] queue_index = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12842] COND FALSE !(queue_index < num_queues) [L12846] EXPR vif->queues VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->queues={36893488147419103271:36893488147419103259}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12846] FCALL vfree((void const *)vif->queues) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->queues={36893488147419103271:36893488147419103259}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12847] vif->queues = (struct xenvif_queue *)0 [L12848] vif->num_queues = 0U [L12849] EXPR vif->dev [L12849] CALL ldv_free_netdev_23(vif->dev) [L13192] FCALL free_netdev(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={36893488147419103257:36893488147419103274}, dev={36893488147419103257:36893488147419103274}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13193] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, dev={36893488147419103257:36893488147419103274}, dev={36893488147419103257:36893488147419103274}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L12849] RET ldv_free_netdev_23(vif->dev) [L12850] CALL ldv_module_put_24(& __this_module) [L13200] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={255:-254}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13279] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={255:-254}, module={255:-254}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13280] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={255:-254}, module={255:-254}, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13281] CALL ldv_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] [L13209] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={255:-254}, cpu_online_mask={36893488147419103255:36893488147419103260}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={241:0}, netback_driver_group0={-55340232221128654849:0}, netback_ids={240:0}, nr_cpu_ids=36893488147419103249, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={239:0}, xenvif_dbg_io_ring_ops_fops_group1={-18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={18446744073709551618:0}, xenvif_ethtool_ops={243:0}, xenvif_ethtool_ops_group0={-55340232221128654847:0}, xenvif_max_queues=245, xenvif_netdev_ops={244:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={242:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 88 procedures, 1328 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 164.1s, OverallIterations: 14, TraceHistogramMax: 8, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.2s, AutomataDifference: 109.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 24556 SdHoareTripleChecker+Valid, 100.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23331 mSDsluCounter, 128743 SdHoareTripleChecker+Invalid, 92.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 105100 mSDsCounter, 11199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54530 IncrementalHoareTripleChecker+Invalid, 65732 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11199 mSolverCounterUnsat, 23643 mSDtfsCounter, 54530 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3132 GetRequests, 2878 SyntacticMatches, 9 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1093 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12983occurred in iteration=13, InterpolantAutomatonStates: 161, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 14797 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 37.4s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 4414 NumberOfCodeBlocks, 4414 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 4937 ConstructedInterpolants, 0 QuantifiedInterpolants, 8386 SizeOfPredicates, 19 NumberOfNonLiveVariables, 20038 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 4878/4911 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-12 13:27:42,512 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-07-12 13:27:42,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:27:44,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:27:44,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:27:44,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:27:44,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:27:44,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:27:44,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:27:44,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:27:44,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:27:44,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:27:44,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:27:44,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:27:44,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:27:44,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:27:44,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:27:44,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:27:44,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:27:44,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:27:44,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:27:44,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:27:44,219 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:27:44,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:27:44,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:27:44,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:27:44,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:27:44,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:27:44,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:27:44,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:27:44,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:27:44,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:27:44,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:27:44,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:27:44,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:27:44,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:27:44,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:27:44,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:27:44,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:27:44,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:27:44,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:27:44,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:27:44,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:27:44,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:27:44,239 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 13:27:44,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:27:44,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:27:44,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:27:44,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:27:44,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:27:44,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:27:44,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:27:44,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:27:44,267 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:27:44,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:27:44,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:27:44,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:27:44,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:27:44,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:27:44,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 13:27:44,268 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 13:27:44,268 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 13:27:44,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:27:44,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:27:44,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:27:44,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:27:44,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:27:44,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:27:44,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:27:44,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:27:44,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:27:44,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:27:44,269 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 13:27:44,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 13:27:44,270 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:27:44,270 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:27:44,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:27:44,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 13:27:44,270 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-07-12 13:27:44,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:27:44,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:27:44,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:27:44,559 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:27:44,559 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:27:44,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-07-12 13:27:44,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/522a1d887/ca28efcb69f949cf846f9a4bc10204e7/FLAG9606b6c80 [2022-07-12 13:27:45,287 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:27:45,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-07-12 13:27:45,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/522a1d887/ca28efcb69f949cf846f9a4bc10204e7/FLAG9606b6c80 [2022-07-12 13:27:45,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/522a1d887/ca28efcb69f949cf846f9a4bc10204e7 [2022-07-12 13:27:45,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:27:45,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:27:45,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:27:45,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:27:45,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:27:45,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:27:45" (1/1) ... [2022-07-12 13:27:45,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2b7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:45, skipping insertion in model container [2022-07-12 13:27:45,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:27:45" (1/1) ... [2022-07-12 13:27:45,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:27:45,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:27:47,540 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-07-12 13:27:47,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:27:47,666 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 13:27:47,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:27:48,004 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-07-12 13:27:48,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:27:48,031 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:27:48,425 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-07-12 13:27:48,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:27:48,569 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:27:48,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48 WrapperNode [2022-07-12 13:27:48,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:27:48,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:27:48,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:27:48,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:27:48,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48" (1/1) ... [2022-07-12 13:27:48,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48" (1/1) ... [2022-07-12 13:27:48,722 INFO L137 Inliner]: procedures = 440, calls = 3455, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4357 [2022-07-12 13:27:48,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:27:48,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:27:48,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:27:48,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:27:48,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48" (1/1) ... [2022-07-12 13:27:48,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48" (1/1) ... [2022-07-12 13:27:48,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48" (1/1) ... [2022-07-12 13:27:48,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48" (1/1) ... [2022-07-12 13:27:48,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48" (1/1) ... [2022-07-12 13:27:48,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48" (1/1) ... [2022-07-12 13:27:48,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48" (1/1) ... [2022-07-12 13:27:48,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:27:48,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:27:48,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:27:48,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:27:48,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48" (1/1) ... [2022-07-12 13:27:48,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:27:48,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:27:48,944 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) [2022-07-12 13:27:48,952 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 [2022-07-12 13:27:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-12 13:27:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-12 13:27:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-12 13:27:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-07-12 13:27:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-07-12 13:27:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-12 13:27:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-12 13:27:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:27:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:27:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-07-12 13:27:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-07-12 13:27:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-12 13:27:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-12 13:27:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-07-12 13:27:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-07-12 13:27:48,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:27:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:27:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-07-12 13:27:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-07-12 13:27:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-07-12 13:27:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-07-12 13:27:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 13:27:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 13:27:48,974 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-07-12 13:27:48,974 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-07-12 13:27:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 13:27:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 13:27:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-07-12 13:27:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-07-12 13:27:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-12 13:27:48,975 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-12 13:27:48,975 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 13:27:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 13:27:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 13:27:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 13:27:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-07-12 13:27:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-07-12 13:27:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 13:27:48,976 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 13:27:48,976 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-07-12 13:27:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-07-12 13:27:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:27:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 13:27:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 13:27:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 13:27:48,977 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-12 13:27:48,977 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-12 13:27:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 13:27:48,978 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 13:27:48,978 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 13:27:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 13:27:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-12 13:27:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-12 13:27:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-12 13:27:48,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-12 13:27:48,979 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 13:27:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 13:27:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-07-12 13:27:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-07-12 13:27:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:27:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:27:48,980 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-07-12 13:27:48,980 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-07-12 13:27:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-12 13:27:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-12 13:27:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-07-12 13:27:48,981 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-07-12 13:27:48,981 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-07-12 13:27:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-07-12 13:27:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-12 13:27:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-12 13:27:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:27:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:27:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-07-12 13:27:48,982 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-07-12 13:27:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:27:48,982 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-07-12 13:27:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-07-12 13:27:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:27:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:27:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 13:27:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-07-12 13:27:48,983 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-07-12 13:27:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 13:27:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-07-12 13:27:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-07-12 13:27:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-07-12 13:27:48,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-07-12 13:27:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 13:27:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-07-12 13:27:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-07-12 13:27:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 13:27:48,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 13:27:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 13:27:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 13:27:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 13:27:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:27:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:27:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 13:27:48,986 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 13:27:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 13:27:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 13:27:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 13:27:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:27:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 13:27:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:27:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-07-12 13:27:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-07-12 13:27:48,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:27:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:27:48,988 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-12 13:27:48,988 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-12 13:27:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-07-12 13:27:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-07-12 13:27:48,990 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 13:27:48,990 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 13:27:48,991 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-12 13:27:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-07-12 13:27:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-07-12 13:27:48,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-07-12 13:27:48,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-12 13:27:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-12 13:27:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-12 13:27:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-12 13:27:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-12 13:27:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-12 13:27:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-07-12 13:27:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-07-12 13:27:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-07-12 13:27:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-07-12 13:27:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:27:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:27:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:27:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:27:48,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:27:48,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:27:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-12 13:27:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-12 13:27:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 13:27:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 13:27:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-07-12 13:27:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-07-12 13:27:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-07-12 13:27:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-07-12 13:27:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 13:27:48,998 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 13:27:48,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:27:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 13:27:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 13:27:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-07-12 13:27:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-07-12 13:27:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:27:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-07-12 13:27:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-07-12 13:27:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-12 13:27:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-12 13:27:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-07-12 13:27:48,999 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-07-12 13:27:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 13:27:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 13:27:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 13:27:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-12 13:27:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-12 13:27:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 13:27:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:27:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 13:27:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 13:27:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 13:27:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 13:27:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 13:27:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 13:27:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-07-12 13:27:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-07-12 13:27:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 13:27:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 13:27:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-07-12 13:27:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-07-12 13:27:49,001 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 13:27:49,001 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 13:27:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:27:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:27:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 13:27:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 13:27:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 13:27:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 13:27:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:27:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:27:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-12 13:27:49,002 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-12 13:27:49,002 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-07-12 13:27:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-07-12 13:27:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:27:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:27:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 13:27:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 13:27:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-12 13:27:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-12 13:27:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 13:27:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 13:27:49,003 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 13:27:49,003 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 13:27:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 13:27:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 13:27:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-07-12 13:27:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-07-12 13:27:49,620 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:27:49,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:27:50,371 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:28:30,072 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:28:30,123 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:28:30,123 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 13:28:30,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:28:30 BoogieIcfgContainer [2022-07-12 13:28:30,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:28:30,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:28:30,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:28:30,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:28:30,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:27:45" (1/3) ... [2022-07-12 13:28:30,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a163fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:28:30, skipping insertion in model container [2022-07-12 13:28:30,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:27:48" (2/3) ... [2022-07-12 13:28:30,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a163fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:28:30, skipping insertion in model container [2022-07-12 13:28:30,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:28:30" (3/3) ... [2022-07-12 13:28:30,149 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-07-12 13:28:30,159 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:28:30,160 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:28:30,263 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:28:30,270 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4d3bc32e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7d3534aa [2022-07-12 13:28:30,271 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:28:30,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 1307 states, 948 states have (on average 1.3206751054852321) internal successors, (1252), 974 states have internal predecessors, (1252), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) [2022-07-12 13:28:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-12 13:28:30,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:28:30,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:28:30,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:28:30,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:28:30,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1510187125, now seen corresponding path program 1 times [2022-07-12 13:28:30,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:28:30,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1636069914] [2022-07-12 13:28:30,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:28:30,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:28:30,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:28:30,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:28:30,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 13:28:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:31,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 1261 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:28:31,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:28:31,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 13:28:31,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:28:31,373 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:28:31,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1636069914] [2022-07-12 13:28:31,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1636069914] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:28:31,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:28:31,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:28:31,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375768363] [2022-07-12 13:28:31,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:28:31,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:28:31,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:28:31,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:28:31,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:28:31,411 INFO L87 Difference]: Start difference. First operand has 1307 states, 948 states have (on average 1.3206751054852321) internal successors, (1252), 974 states have internal predecessors, (1252), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 13:28:31,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:28:31,656 INFO L93 Difference]: Finished difference Result 3905 states and 5464 transitions. [2022-07-12 13:28:31,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:28:31,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-12 13:28:31,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:28:31,683 INFO L225 Difference]: With dead ends: 3905 [2022-07-12 13:28:31,683 INFO L226 Difference]: Without dead ends: 2553 [2022-07-12 13:28:31,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:28:31,702 INFO L413 NwaCegarLoop]: 2044 mSDtfsCounter, 1761 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 3814 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:28:31,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 3814 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 13:28:31,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2553 states. [2022-07-12 13:28:31,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2553 to 2550. [2022-07-12 13:28:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 1853 states have (on average 1.3038316243928765) internal successors, (2416), 1887 states have internal predecessors, (2416), 526 states have call successors, (526), 171 states have call predecessors, (526), 170 states have return successors, (524), 510 states have call predecessors, (524), 524 states have call successors, (524) [2022-07-12 13:28:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3466 transitions. [2022-07-12 13:28:31,862 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3466 transitions. Word has length 19 [2022-07-12 13:28:31,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:28:31,863 INFO L495 AbstractCegarLoop]: Abstraction has 2550 states and 3466 transitions. [2022-07-12 13:28:31,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 13:28:31,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3466 transitions. [2022-07-12 13:28:31,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-12 13:28:31,875 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:28:31,876 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2022-07-12 13:28:31,910 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 13:28:32,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:28:32,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:28:32,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:28:32,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1054431279, now seen corresponding path program 1 times [2022-07-12 13:28:32,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:28:32,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1988946032] [2022-07-12 13:28:32,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:28:32,114 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:28:32,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:28:32,116 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:28:32,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 13:28:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:33,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 1635 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:28:33,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:28:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-12 13:28:33,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:28:33,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:28:33,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1988946032] [2022-07-12 13:28:33,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1988946032] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:28:33,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:28:33,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:28:33,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509839720] [2022-07-12 13:28:33,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:28:33,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:28:33,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:28:33,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:28:33,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:28:33,107 INFO L87 Difference]: Start difference. First operand 2550 states and 3466 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-12 13:28:33,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:28:33,465 INFO L93 Difference]: Finished difference Result 6119 states and 8301 transitions. [2022-07-12 13:28:33,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:28:33,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 106 [2022-07-12 13:28:33,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:28:33,479 INFO L225 Difference]: With dead ends: 6119 [2022-07-12 13:28:33,480 INFO L226 Difference]: Without dead ends: 3572 [2022-07-12 13:28:33,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:28:33,491 INFO L413 NwaCegarLoop]: 1851 mSDtfsCounter, 693 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 3572 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:28:33,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 3572 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 13:28:33,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3572 states. [2022-07-12 13:28:33,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3572 to 3560. [2022-07-12 13:28:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3560 states, 2610 states have (on average 1.3114942528735631) internal successors, (3423), 2655 states have internal predecessors, (3423), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-07-12 13:28:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4825 transitions. [2022-07-12 13:28:33,601 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4825 transitions. Word has length 106 [2022-07-12 13:28:33,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:28:33,602 INFO L495 AbstractCegarLoop]: Abstraction has 3560 states and 4825 transitions. [2022-07-12 13:28:33,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-12 13:28:33,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4825 transitions. [2022-07-12 13:28:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-12 13:28:33,607 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:28:33,607 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:28:33,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-12 13:28:33,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:28:33,828 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:28:33,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:28:33,829 INFO L85 PathProgramCache]: Analyzing trace with hash 772852535, now seen corresponding path program 1 times [2022-07-12 13:28:33,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:28:33,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494476906] [2022-07-12 13:28:33,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:28:33,831 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:28:33,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:28:33,833 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:28:33,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 13:28:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:34,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 1848 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 13:28:34,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:28:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-12 13:28:34,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:28:34,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:28:34,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494476906] [2022-07-12 13:28:34,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494476906] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:28:34,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:28:34,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 13:28:34,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799145328] [2022-07-12 13:28:34,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:28:34,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 13:28:34,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:28:34,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 13:28:34,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 13:28:34,934 INFO L87 Difference]: Start difference. First operand 3560 states and 4825 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-12 13:28:36,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:28:36,194 INFO L93 Difference]: Finished difference Result 7134 states and 9669 transitions. [2022-07-12 13:28:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 13:28:36,195 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 185 [2022-07-12 13:28:36,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:28:36,209 INFO L225 Difference]: With dead ends: 7134 [2022-07-12 13:28:36,210 INFO L226 Difference]: Without dead ends: 3571 [2022-07-12 13:28:36,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:28:36,223 INFO L413 NwaCegarLoop]: 1743 mSDtfsCounter, 10 mSDsluCounter, 3480 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5223 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:28:36,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 5223 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 13:28:36,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3571 states. [2022-07-12 13:28:36,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3571 to 3563. [2022-07-12 13:28:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 2613 states have (on average 1.310371220818982) internal successors, (3424), 2658 states have internal predecessors, (3424), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-07-12 13:28:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 4826 transitions. [2022-07-12 13:28:36,320 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 4826 transitions. Word has length 185 [2022-07-12 13:28:36,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:28:36,321 INFO L495 AbstractCegarLoop]: Abstraction has 3563 states and 4826 transitions. [2022-07-12 13:28:36,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-12 13:28:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4826 transitions. [2022-07-12 13:28:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-12 13:28:36,328 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:28:36,329 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:28:36,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 13:28:36,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:28:36,536 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:28:36,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:28:36,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1258493088, now seen corresponding path program 1 times [2022-07-12 13:28:36,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:28:36,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1470875823] [2022-07-12 13:28:36,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:28:36,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:28:36,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:28:36,540 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:28:36,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 13:28:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:37,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1887 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:28:37,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:28:37,753 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-12 13:28:37,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:28:37,756 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:28:37,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1470875823] [2022-07-12 13:28:37,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1470875823] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:28:37,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:28:37,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:28:37,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480879003] [2022-07-12 13:28:37,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:28:37,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:28:37,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:28:37,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:28:37,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:28:37,759 INFO L87 Difference]: Start difference. First operand 3563 states and 4826 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-12 13:28:37,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:28:37,843 INFO L93 Difference]: Finished difference Result 7123 states and 9649 transitions. [2022-07-12 13:28:37,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:28:37,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 194 [2022-07-12 13:28:37,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:28:37,858 INFO L225 Difference]: With dead ends: 7123 [2022-07-12 13:28:37,858 INFO L226 Difference]: Without dead ends: 3563 [2022-07-12 13:28:37,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:28:37,874 INFO L413 NwaCegarLoop]: 1743 mSDtfsCounter, 1729 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:28:37,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 1743 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 13:28:37,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3563 states. [2022-07-12 13:28:37,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3563 to 3563. [2022-07-12 13:28:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3563 states, 2613 states have (on average 1.3088404133180254) internal successors, (3420), 2658 states have internal predecessors, (3420), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-07-12 13:28:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 3563 states and 4822 transitions. [2022-07-12 13:28:37,984 INFO L78 Accepts]: Start accepts. Automaton has 3563 states and 4822 transitions. Word has length 194 [2022-07-12 13:28:37,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:28:37,985 INFO L495 AbstractCegarLoop]: Abstraction has 3563 states and 4822 transitions. [2022-07-12 13:28:37,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-12 13:28:37,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 4822 transitions. [2022-07-12 13:28:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-12 13:28:37,990 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:28:37,990 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:28:38,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 13:28:38,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:28:38,215 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:28:38,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:28:38,216 INFO L85 PathProgramCache]: Analyzing trace with hash 442445858, now seen corresponding path program 1 times [2022-07-12 13:28:38,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:28:38,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735100672] [2022-07-12 13:28:38,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:28:38,218 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:28:38,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:28:38,230 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:28:38,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 13:28:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:39,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 1886 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 13:28:39,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:28:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-07-12 13:28:40,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:28:40,002 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:28:40,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735100672] [2022-07-12 13:28:40,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735100672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:28:40,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:28:40,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:28:40,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732798183] [2022-07-12 13:28:40,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:28:40,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:28:40,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:28:40,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:28:40,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:28:40,004 INFO L87 Difference]: Start difference. First operand 3563 states and 4822 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 13:28:41,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:28:41,154 INFO L93 Difference]: Finished difference Result 7148 states and 9672 transitions. [2022-07-12 13:28:41,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 13:28:41,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 194 [2022-07-12 13:28:41,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:28:41,173 INFO L225 Difference]: With dead ends: 7148 [2022-07-12 13:28:41,174 INFO L226 Difference]: Without dead ends: 3578 [2022-07-12 13:28:41,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:28:41,189 INFO L413 NwaCegarLoop]: 1744 mSDtfsCounter, 22 mSDsluCounter, 5219 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6963 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 13:28:41,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 6963 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 13:28:41,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3578 states. [2022-07-12 13:28:41,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3578 to 3558. [2022-07-12 13:28:41,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3558 states, 2608 states have (on average 1.3075153374233128) internal successors, (3410), 2653 states have internal predecessors, (3410), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-07-12 13:28:41,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 3558 states and 4812 transitions. [2022-07-12 13:28:41,319 INFO L78 Accepts]: Start accepts. Automaton has 3558 states and 4812 transitions. Word has length 194 [2022-07-12 13:28:41,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:28:41,320 INFO L495 AbstractCegarLoop]: Abstraction has 3558 states and 4812 transitions. [2022-07-12 13:28:41,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-12 13:28:41,321 INFO L276 IsEmpty]: Start isEmpty. Operand 3558 states and 4812 transitions. [2022-07-12 13:28:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-07-12 13:28:41,326 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:28:41,327 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:28:41,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 13:28:41,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:28:41,547 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:28:41,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:28:41,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1488410957, now seen corresponding path program 1 times [2022-07-12 13:28:41,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:28:41,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [737249477] [2022-07-12 13:28:41,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:28:41,549 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:28:41,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:28:41,550 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:28:41,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 13:28:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:42,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1937 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 13:28:42,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:28:42,845 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-12 13:28:42,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:28:42,847 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:28:42,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [737249477] [2022-07-12 13:28:42,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [737249477] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:28:42,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:28:42,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:28:42,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259448237] [2022-07-12 13:28:42,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:28:42,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:28:42,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:28:42,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:28:42,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:28:42,849 INFO L87 Difference]: Start difference. First operand 3558 states and 4812 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 13:28:43,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:28:43,269 INFO L93 Difference]: Finished difference Result 8446 states and 11707 transitions. [2022-07-12 13:28:43,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:28:43,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 214 [2022-07-12 13:28:43,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:28:43,290 INFO L225 Difference]: With dead ends: 8446 [2022-07-12 13:28:43,290 INFO L226 Difference]: Without dead ends: 4891 [2022-07-12 13:28:43,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:28:43,304 INFO L413 NwaCegarLoop]: 2264 mSDtfsCounter, 436 mSDsluCounter, 10859 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 13123 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:28:43,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 13123 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 13:28:43,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4891 states. [2022-07-12 13:28:43,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4891 to 3582. [2022-07-12 13:28:43,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3582 states, 2628 states have (on average 1.3051750380517504) internal successors, (3430), 2673 states have internal predecessors, (3430), 702 states have call successors, (702), 248 states have call predecessors, (702), 251 states have return successors, (716), 687 states have call predecessors, (716), 700 states have call successors, (716) [2022-07-12 13:28:43,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4848 transitions. [2022-07-12 13:28:43,417 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4848 transitions. Word has length 214 [2022-07-12 13:28:43,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:28:43,417 INFO L495 AbstractCegarLoop]: Abstraction has 3582 states and 4848 transitions. [2022-07-12 13:28:43,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 6 states have internal predecessors, (106), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-12 13:28:43,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4848 transitions. [2022-07-12 13:28:43,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-07-12 13:28:43,423 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:28:43,423 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:28:43,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-12 13:28:43,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:28:43,644 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:28:43,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:28:43,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1523065739, now seen corresponding path program 1 times [2022-07-12 13:28:43,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:28:43,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458069715] [2022-07-12 13:28:43,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:28:43,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:28:43,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:28:43,647 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:28:43,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 13:28:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:44,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 1953 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-12 13:28:44,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:28:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-07-12 13:28:44,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:28:44,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:28:44,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458069715] [2022-07-12 13:28:44,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458069715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:28:44,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:28:44,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:28:44,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336203930] [2022-07-12 13:28:44,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:28:44,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:28:44,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:28:44,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:28:44,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:28:44,803 INFO L87 Difference]: Start difference. First operand 3582 states and 4848 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 13:28:45,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:28:45,445 INFO L93 Difference]: Finished difference Result 7185 states and 9753 transitions. [2022-07-12 13:28:45,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:28:45,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 220 [2022-07-12 13:28:45,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:28:45,459 INFO L225 Difference]: With dead ends: 7185 [2022-07-12 13:28:45,459 INFO L226 Difference]: Without dead ends: 3586 [2022-07-12 13:28:45,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:28:45,471 INFO L413 NwaCegarLoop]: 1732 mSDtfsCounter, 6 mSDsluCounter, 6900 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 8632 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 13:28:45,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 8632 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 13:28:45,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2022-07-12 13:28:45,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 3586. [2022-07-12 13:28:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3586 states, 2632 states have (on average 1.3047112462006079) internal successors, (3434), 2677 states have internal predecessors, (3434), 702 states have call successors, (702), 248 states have call predecessors, (702), 251 states have return successors, (716), 687 states have call predecessors, (716), 700 states have call successors, (716) [2022-07-12 13:28:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3586 states and 4852 transitions. [2022-07-12 13:28:45,568 INFO L78 Accepts]: Start accepts. Automaton has 3586 states and 4852 transitions. Word has length 220 [2022-07-12 13:28:45,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:28:45,569 INFO L495 AbstractCegarLoop]: Abstraction has 3586 states and 4852 transitions. [2022-07-12 13:28:45,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-12 13:28:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 3586 states and 4852 transitions. [2022-07-12 13:28:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-12 13:28:45,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:28:45,574 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-12 13:28:45,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 13:28:45,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:28:45,800 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:28:45,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:28:45,800 INFO L85 PathProgramCache]: Analyzing trace with hash -2026463350, now seen corresponding path program 1 times [2022-07-12 13:28:45,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:28:45,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809258631] [2022-07-12 13:28:45,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:28:45,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:28:45,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:28:45,803 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 13:28:45,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 13:28:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:46,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 1964 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 13:28:46,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:28:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-07-12 13:28:47,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:28:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-07-12 13:28:48,160 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:28:48,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809258631] [2022-07-12 13:28:48,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1809258631] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:28:48,161 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:28:48,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-12 13:28:48,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460641140] [2022-07-12 13:28:48,161 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:28:48,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 13:28:48,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:28:48,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 13:28:48,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:28:48,162 INFO L87 Difference]: Start difference. First operand 3586 states and 4852 transitions. Second operand has 11 states, 9 states have (on average 15.0) internal successors, (135), 11 states have internal predecessors, (135), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30)