./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3c9185451e17cd03a558fe9bd455bfb656de587a9df23cb7cc44d8e38d5b1098 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:31:29,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:31:29,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:31:29,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:31:29,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:31:29,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:31:29,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:31:29,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:31:29,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:31:29,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:31:29,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:31:29,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:31:29,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:31:29,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:31:29,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:31:29,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:31:29,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:31:29,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:31:29,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:31:29,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:31:29,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:31:29,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:31:29,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:31:29,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:31:29,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:31:29,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:31:29,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:31:29,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:31:29,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:31:29,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:31:29,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:31:29,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:31:29,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:31:29,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:31:29,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:31:29,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:31:29,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:31:29,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:31:29,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:31:29,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:31:29,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:31:29,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:31:29,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:31:29,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:31:29,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:31:29,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:31:29,842 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:31:29,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:31:29,842 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:31:29,843 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:31:29,843 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:31:29,843 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:31:29,843 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:31:29,843 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:31:29,844 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:31:29,844 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:31:29,844 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:31:29,844 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:31:29,845 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:31:29,845 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:31:29,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:31:29,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:31:29,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:31:29,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:31:29,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:31:29,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:31:29,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:31:29,847 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:31:29,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:31:29,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:31:29,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:31:29,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:31:29,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:31:29,848 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:31:29,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:31:29,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:31:29,849 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:31:29,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:31:29,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:31:29,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:31:29,850 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c9185451e17cd03a558fe9bd455bfb656de587a9df23cb7cc44d8e38d5b1098 [2022-11-03 02:31:30,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:31:30,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:31:30,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:31:30,195 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:31:30,196 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:31:30,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i [2022-11-03 02:31:30,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/data/5fea19b1e/c900db6aea894a609ca5172873df9dcd/FLAGab63a279a [2022-11-03 02:31:31,181 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:31:31,182 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i [2022-11-03 02:31:31,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/data/5fea19b1e/c900db6aea894a609ca5172873df9dcd/FLAGab63a279a [2022-11-03 02:31:31,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/data/5fea19b1e/c900db6aea894a609ca5172873df9dcd [2022-11-03 02:31:31,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:31:31,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:31:31,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:31:31,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:31:31,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:31:31,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:31:31" (1/1) ... [2022-11-03 02:31:31,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8df8eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:31, skipping insertion in model container [2022-11-03 02:31:31,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:31:31" (1/1) ... [2022-11-03 02:31:31,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:31:31,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:31:32,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i[174669,174682] [2022-11-03 02:31:33,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:31:33,297 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:31:33,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i[174669,174682] [2022-11-03 02:31:33,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:31:33,720 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:31:33,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33 WrapperNode [2022-11-03 02:31:33,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:31:33,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:31:33,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:31:33,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:31:33,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (1/1) ... [2022-11-03 02:31:33,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (1/1) ... [2022-11-03 02:31:33,939 INFO L138 Inliner]: procedures = 177, calls = 512, calls flagged for inlining = 97, calls inlined = 94, statements flattened = 1880 [2022-11-03 02:31:33,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:31:33,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:31:33,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:31:33,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:31:33,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (1/1) ... [2022-11-03 02:31:33,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (1/1) ... [2022-11-03 02:31:33,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (1/1) ... [2022-11-03 02:31:33,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (1/1) ... [2022-11-03 02:31:34,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (1/1) ... [2022-11-03 02:31:34,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (1/1) ... [2022-11-03 02:31:34,133 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (1/1) ... [2022-11-03 02:31:34,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (1/1) ... [2022-11-03 02:31:34,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:31:34,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:31:34,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:31:34,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:31:34,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (1/1) ... [2022-11-03 02:31:34,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:31:34,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:31:34,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:31:34,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:31:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:31:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 02:31:34,280 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-03 02:31:34,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-03 02:31:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:31:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:31:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_18 [2022-11-03 02:31:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_18 [2022-11-03 02:31:34,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:31:34,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:31:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:31:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:31:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:31:34,282 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-03 02:31:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-03 02:31:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-03 02:31:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-03 02:31:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 02:31:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 02:31:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-03 02:31:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-03 02:31:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:31:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:31:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:31:34,285 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-03 02:31:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-03 02:31:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-03 02:31:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-03 02:31:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_disconnected [2022-11-03 02:31:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_disconnected [2022-11-03 02:31:34,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-03 02:31:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-03 02:31:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_data_transmit [2022-11-03 02:31:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_data_transmit [2022-11-03 02:31:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_data_indication [2022-11-03 02:31:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_data_indication [2022-11-03 02:31:34,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:31:34,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:31:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:31:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-03 02:31:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-03 02:31:34,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:31:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:31:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 02:31:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 02:31:34,290 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_set_mac_address [2022-11-03 02:31:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_set_mac_address [2022-11-03 02:31:34,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:31:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:31:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:31:34,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2022-11-03 02:31:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2022-11-03 02:31:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:31:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2022-11-03 02:31:34,295 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2022-11-03 02:31:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-03 02:31:34,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-03 02:31:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:31:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:31:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 02:31:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 02:31:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:31:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_get_x25_dev [2022-11-03 02:31:34,297 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_get_x25_dev [2022-11-03 02:31:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 02:31:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 02:31:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:31:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:31:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:31:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-03 02:31:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-03 02:31:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_connected [2022-11-03 02:31:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_connected [2022-11-03 02:31:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:31:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:31:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 02:31:34,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 02:31:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2022-11-03 02:31:34,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2022-11-03 02:31:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:31:34,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:31:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 02:31:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 02:31:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:31:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2022-11-03 02:31:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2022-11-03 02:31:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:31:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:31:34,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:31:34,901 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:31:34,904 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:31:35,214 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:31:36,478 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:31:37,577 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:31:37,577 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:31:37,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:31:37 BoogieIcfgContainer [2022-11-03 02:31:37,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:31:37,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:31:37,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:31:37,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:31:37,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:31:31" (1/3) ... [2022-11-03 02:31:37,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e3660e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:31:37, skipping insertion in model container [2022-11-03 02:31:37,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:31:33" (2/3) ... [2022-11-03 02:31:37,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e3660e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:31:37, skipping insertion in model container [2022-11-03 02:31:37,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:31:37" (3/3) ... [2022-11-03 02:31:37,592 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--lapbether.ko-entry_point.cil.out.i [2022-11-03 02:31:37,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:31:37,612 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:31:37,674 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:31:37,681 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=FINITE_AUTOMATA, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@499413fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:31:37,681 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:31:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 282 states have (on average 1.3936170212765957) internal successors, (393), 292 states have internal predecessors, (393), 106 states have call successors, (106), 35 states have call predecessors, (106), 34 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2022-11-03 02:31:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 02:31:37,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:37,704 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:37,705 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:37,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:37,711 INFO L85 PathProgramCache]: Analyzing trace with hash -779669352, now seen corresponding path program 1 times [2022-11-03 02:31:37,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:37,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460007042] [2022-11-03 02:31:37,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:37,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-03 02:31:38,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:38,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460007042] [2022-11-03 02:31:38,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460007042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:38,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:38,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:38,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094082363] [2022-11-03 02:31:38,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:38,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:38,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:38,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:38,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:38,621 INFO L87 Difference]: Start difference. First operand has 424 states, 282 states have (on average 1.3936170212765957) internal successors, (393), 292 states have internal predecessors, (393), 106 states have call successors, (106), 35 states have call predecessors, (106), 34 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-03 02:31:39,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:39,334 INFO L93 Difference]: Finished difference Result 1217 states and 1764 transitions. [2022-11-03 02:31:39,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:39,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 109 [2022-11-03 02:31:39,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:39,355 INFO L225 Difference]: With dead ends: 1217 [2022-11-03 02:31:39,355 INFO L226 Difference]: Without dead ends: 794 [2022-11-03 02:31:39,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:39,367 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 535 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 1099 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:39,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 1099 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:31:39,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2022-11-03 02:31:39,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2022-11-03 02:31:39,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 541 states have (on average 1.3604436229205175) internal successors, (736), 545 states have internal predecessors, (736), 186 states have call successors, (186), 67 states have call predecessors, (186), 66 states have return successors, (185), 185 states have call predecessors, (185), 185 states have call successors, (185) [2022-11-03 02:31:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1107 transitions. [2022-11-03 02:31:39,545 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1107 transitions. Word has length 109 [2022-11-03 02:31:39,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:39,546 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 1107 transitions. [2022-11-03 02:31:39,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-03 02:31:39,546 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1107 transitions. [2022-11-03 02:31:39,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-03 02:31:39,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:39,556 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:39,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:31:39,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:39,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:39,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1747680966, now seen corresponding path program 1 times [2022-11-03 02:31:39,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:39,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423352932] [2022-11-03 02:31:39,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:39,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:40,164 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-03 02:31:40,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:40,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423352932] [2022-11-03 02:31:40,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423352932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:40,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:40,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:31:40,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997331752] [2022-11-03 02:31:40,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:40,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:31:40,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:40,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:31:40,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:31:40,171 INFO L87 Difference]: Start difference. First operand 794 states and 1107 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-03 02:31:40,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:40,899 INFO L93 Difference]: Finished difference Result 1571 states and 2233 transitions. [2022-11-03 02:31:40,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:31:40,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 111 [2022-11-03 02:31:40,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:40,914 INFO L225 Difference]: With dead ends: 1571 [2022-11-03 02:31:40,915 INFO L226 Difference]: Without dead ends: 1561 [2022-11-03 02:31:40,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:31:40,918 INFO L413 NwaCegarLoop]: 602 mSDtfsCounter, 562 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1693 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:40,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 1693 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:31:40,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2022-11-03 02:31:41,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1553. [2022-11-03 02:31:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1553 states, 1059 states have (on average 1.3626062322946175) internal successors, (1443), 1067 states have internal predecessors, (1443), 361 states have call successors, (361), 133 states have call predecessors, (361), 132 states have return successors, (404), 360 states have call predecessors, (404), 360 states have call successors, (404) [2022-11-03 02:31:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 2208 transitions. [2022-11-03 02:31:41,024 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 2208 transitions. Word has length 111 [2022-11-03 02:31:41,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:41,026 INFO L495 AbstractCegarLoop]: Abstraction has 1553 states and 2208 transitions. [2022-11-03 02:31:41,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-03 02:31:41,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2208 transitions. [2022-11-03 02:31:41,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-03 02:31:41,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:41,043 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-11-03 02:31:41,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:31:41,043 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:41,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:41,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1658026480, now seen corresponding path program 1 times [2022-11-03 02:31:41,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:41,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441788270] [2022-11-03 02:31:41,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:41,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-03 02:31:41,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:41,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441788270] [2022-11-03 02:31:41,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441788270] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:41,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:41,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:41,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361975027] [2022-11-03 02:31:41,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:41,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:41,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:41,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:41,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:41,295 INFO L87 Difference]: Start difference. First operand 1553 states and 2208 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:31:41,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:41,879 INFO L93 Difference]: Finished difference Result 4415 states and 6243 transitions. [2022-11-03 02:31:41,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:41,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 143 [2022-11-03 02:31:41,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:41,897 INFO L225 Difference]: With dead ends: 4415 [2022-11-03 02:31:41,897 INFO L226 Difference]: Without dead ends: 2879 [2022-11-03 02:31:41,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:41,905 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 484 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:41,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 1033 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:31:41,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2022-11-03 02:31:42,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2874. [2022-11-03 02:31:42,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2874 states, 1950 states have (on average 1.3502564102564103) internal successors, (2633), 1966 states have internal predecessors, (2633), 667 states have call successors, (667), 257 states have call predecessors, (667), 256 states have return successors, (752), 666 states have call predecessors, (752), 666 states have call successors, (752) [2022-11-03 02:31:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 4052 transitions. [2022-11-03 02:31:42,093 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 4052 transitions. Word has length 143 [2022-11-03 02:31:42,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:42,094 INFO L495 AbstractCegarLoop]: Abstraction has 2874 states and 4052 transitions. [2022-11-03 02:31:42,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:31:42,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 4052 transitions. [2022-11-03 02:31:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-03 02:31:42,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:42,100 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-11-03 02:31:42,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:31:42,101 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:42,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:42,101 INFO L85 PathProgramCache]: Analyzing trace with hash 487643122, now seen corresponding path program 1 times [2022-11-03 02:31:42,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:42,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640867824] [2022-11-03 02:31:42,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:42,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-03 02:31:42,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:42,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640867824] [2022-11-03 02:31:42,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640867824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:42,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:42,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:42,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696520554] [2022-11-03 02:31:42,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:42,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:42,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:42,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:42,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:42,294 INFO L87 Difference]: Start difference. First operand 2874 states and 4052 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:31:43,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:43,034 INFO L93 Difference]: Finished difference Result 7950 states and 11159 transitions. [2022-11-03 02:31:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:43,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 142 [2022-11-03 02:31:43,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:43,072 INFO L225 Difference]: With dead ends: 7950 [2022-11-03 02:31:43,073 INFO L226 Difference]: Without dead ends: 5093 [2022-11-03 02:31:43,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:43,088 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 451 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:43,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1090 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:31:43,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5093 states. [2022-11-03 02:31:43,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5093 to 5088. [2022-11-03 02:31:43,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5088 states, 3468 states have (on average 1.3543829296424452) internal successors, (4697), 3484 states have internal predecessors, (4697), 1135 states have call successors, (1135), 485 states have call predecessors, (1135), 484 states have return successors, (1288), 1134 states have call predecessors, (1288), 1134 states have call successors, (1288) [2022-11-03 02:31:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5088 states to 5088 states and 7120 transitions. [2022-11-03 02:31:43,544 INFO L78 Accepts]: Start accepts. Automaton has 5088 states and 7120 transitions. Word has length 142 [2022-11-03 02:31:43,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:43,546 INFO L495 AbstractCegarLoop]: Abstraction has 5088 states and 7120 transitions. [2022-11-03 02:31:43,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-03 02:31:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5088 states and 7120 transitions. [2022-11-03 02:31:43,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-03 02:31:43,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:43,552 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2022-11-03 02:31:43,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:31:43,555 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:43,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:43,556 INFO L85 PathProgramCache]: Analyzing trace with hash -992959712, now seen corresponding path program 1 times [2022-11-03 02:31:43,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:43,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794672553] [2022-11-03 02:31:43,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:43,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:43,771 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-03 02:31:43,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:43,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794672553] [2022-11-03 02:31:43,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794672553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:43,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:43,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:43,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962418188] [2022-11-03 02:31:43,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:43,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:43,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:43,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:43,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:43,775 INFO L87 Difference]: Start difference. First operand 5088 states and 7120 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 02:31:44,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:44,700 INFO L93 Difference]: Finished difference Result 13138 states and 18347 transitions. [2022-11-03 02:31:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:44,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 154 [2022-11-03 02:31:44,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:44,746 INFO L225 Difference]: With dead ends: 13138 [2022-11-03 02:31:44,746 INFO L226 Difference]: Without dead ends: 8067 [2022-11-03 02:31:44,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:44,765 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 400 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:44,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1126 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:31:44,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8067 states. [2022-11-03 02:31:45,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8067 to 8060. [2022-11-03 02:31:45,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8060 states, 5570 states have (on average 1.3610412926391382) internal successors, (7581), 5604 states have internal predecessors, (7581), 1735 states have call successors, (1735), 755 states have call predecessors, (1735), 754 states have return successors, (1914), 1732 states have call predecessors, (1914), 1734 states have call successors, (1914) [2022-11-03 02:31:45,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8060 states to 8060 states and 11230 transitions. [2022-11-03 02:31:45,292 INFO L78 Accepts]: Start accepts. Automaton has 8060 states and 11230 transitions. Word has length 154 [2022-11-03 02:31:45,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:45,293 INFO L495 AbstractCegarLoop]: Abstraction has 8060 states and 11230 transitions. [2022-11-03 02:31:45,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-03 02:31:45,293 INFO L276 IsEmpty]: Start isEmpty. Operand 8060 states and 11230 transitions. [2022-11-03 02:31:45,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-03 02:31:45,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:45,308 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 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] [2022-11-03 02:31:45,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:31:45,308 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:45,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:45,309 INFO L85 PathProgramCache]: Analyzing trace with hash -922992753, now seen corresponding path program 1 times [2022-11-03 02:31:45,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:45,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849480511] [2022-11-03 02:31:45,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:45,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:45,490 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2022-11-03 02:31:45,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:45,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849480511] [2022-11-03 02:31:45,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849480511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:45,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:45,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:45,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103230916] [2022-11-03 02:31:45,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:45,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:45,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:45,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:45,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:45,493 INFO L87 Difference]: Start difference. First operand 8060 states and 11230 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-03 02:31:46,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:46,112 INFO L93 Difference]: Finished difference Result 12181 states and 17215 transitions. [2022-11-03 02:31:46,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:46,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) Word has length 186 [2022-11-03 02:31:46,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:46,166 INFO L225 Difference]: With dead ends: 12181 [2022-11-03 02:31:46,166 INFO L226 Difference]: Without dead ends: 8116 [2022-11-03 02:31:46,255 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:46,258 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 4 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:46,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 982 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:31:46,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8116 states. [2022-11-03 02:31:46,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8116 to 8116. [2022-11-03 02:31:46,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8116 states, 5612 states have (on average 1.3583392729864576) internal successors, (7623), 5660 states have internal predecessors, (7623), 1735 states have call successors, (1735), 755 states have call predecessors, (1735), 768 states have return successors, (1934), 1732 states have call predecessors, (1934), 1734 states have call successors, (1934) [2022-11-03 02:31:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8116 states to 8116 states and 11292 transitions. [2022-11-03 02:31:46,740 INFO L78 Accepts]: Start accepts. Automaton has 8116 states and 11292 transitions. Word has length 186 [2022-11-03 02:31:46,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:46,741 INFO L495 AbstractCegarLoop]: Abstraction has 8116 states and 11292 transitions. [2022-11-03 02:31:46,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-03 02:31:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 8116 states and 11292 transitions. [2022-11-03 02:31:46,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-03 02:31:46,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:46,757 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 3, 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] [2022-11-03 02:31:46,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:31:46,757 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:46,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:46,758 INFO L85 PathProgramCache]: Analyzing trace with hash 2144810045, now seen corresponding path program 1 times [2022-11-03 02:31:46,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:46,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777229564] [2022-11-03 02:31:46,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:46,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:47,019 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-11-03 02:31:47,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:47,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777229564] [2022-11-03 02:31:47,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777229564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:47,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:47,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:31:47,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551811112] [2022-11-03 02:31:47,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:47,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:31:47,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:47,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:31:47,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:47,023 INFO L87 Difference]: Start difference. First operand 8116 states and 11292 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-03 02:31:48,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:48,357 INFO L93 Difference]: Finished difference Result 20948 states and 29069 transitions. [2022-11-03 02:31:48,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:31:48,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 194 [2022-11-03 02:31:48,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:48,470 INFO L225 Difference]: With dead ends: 20948 [2022-11-03 02:31:48,470 INFO L226 Difference]: Without dead ends: 12857 [2022-11-03 02:31:48,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:31:48,514 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 506 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1125 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:48,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1125 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:31:48,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12857 states. [2022-11-03 02:31:49,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12857 to 12850. [2022-11-03 02:31:49,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12850 states, 8908 states have (on average 1.342052088010777) internal successors, (11955), 8982 states have internal predecessors, (11955), 2681 states have call successors, (2681), 1239 states have call predecessors, (2681), 1260 states have return successors, (2976), 2676 states have call predecessors, (2976), 2680 states have call successors, (2976) [2022-11-03 02:31:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12850 states to 12850 states and 17612 transitions. [2022-11-03 02:31:49,422 INFO L78 Accepts]: Start accepts. Automaton has 12850 states and 17612 transitions. Word has length 194 [2022-11-03 02:31:49,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:49,423 INFO L495 AbstractCegarLoop]: Abstraction has 12850 states and 17612 transitions. [2022-11-03 02:31:49,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-03 02:31:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 12850 states and 17612 transitions. [2022-11-03 02:31:49,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-03 02:31:49,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:49,444 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 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] [2022-11-03 02:31:49,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:31:49,445 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:49,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:49,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1454556747, now seen corresponding path program 1 times [2022-11-03 02:31:49,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:49,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89734938] [2022-11-03 02:31:49,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:49,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:31:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2022-11-03 02:31:50,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:31:50,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89734938] [2022-11-03 02:31:50,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89734938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:31:50,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:31:50,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:31:50,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738565691] [2022-11-03 02:31:50,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:31:50,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:31:50,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:31:50,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:31:50,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:31:50,171 INFO L87 Difference]: Start difference. First operand 12850 states and 17612 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 02:31:53,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:31:53,501 INFO L93 Difference]: Finished difference Result 26581 states and 36785 transitions. [2022-11-03 02:31:53,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:31:53,502 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 187 [2022-11-03 02:31:53,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:31:53,577 INFO L225 Difference]: With dead ends: 26581 [2022-11-03 02:31:53,578 INFO L226 Difference]: Without dead ends: 13756 [2022-11-03 02:31:53,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:31:53,624 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 1173 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 2013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 639 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:31:53,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 1569 Invalid, 2013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [639 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-03 02:31:53,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13756 states. [2022-11-03 02:31:54,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13756 to 13162. [2022-11-03 02:31:54,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13162 states, 9082 states have (on average 1.3317551200176172) internal successors, (12095), 9150 states have internal predecessors, (12095), 2777 states have call successors, (2777), 1239 states have call predecessors, (2777), 1302 states have return successors, (2984), 2820 states have call predecessors, (2984), 2776 states have call successors, (2984) [2022-11-03 02:31:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13162 states to 13162 states and 17856 transitions. [2022-11-03 02:31:54,562 INFO L78 Accepts]: Start accepts. Automaton has 13162 states and 17856 transitions. Word has length 187 [2022-11-03 02:31:54,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:31:54,563 INFO L495 AbstractCegarLoop]: Abstraction has 13162 states and 17856 transitions. [2022-11-03 02:31:54,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (17), 4 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 02:31:54,564 INFO L276 IsEmpty]: Start isEmpty. Operand 13162 states and 17856 transitions. [2022-11-03 02:31:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-03 02:31:54,583 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:31:54,583 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 3, 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] [2022-11-03 02:31:54,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:31:54,584 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:31:54,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:31:54,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1015874148, now seen corresponding path program 1 times [2022-11-03 02:31:54,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:31:54,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101269142] [2022-11-03 02:31:54,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:31:54,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:31:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:31:54,870 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:31:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:31:55,235 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:31:55,235 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:31:55,237 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:31:55,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:31:55,242 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:31:55,247 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:31:55,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:31:55 BoogieIcfgContainer [2022-11-03 02:31:55,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:31:55,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:31:55,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:31:55,507 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:31:55,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:31:37" (3/4) ... [2022-11-03 02:31:55,509 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-03 02:31:55,734 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:31:55,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:31:55,735 INFO L158 Benchmark]: Toolchain (without parser) took 24067.24ms. Allocated memory was 109.1MB in the beginning and 931.1MB in the end (delta: 822.1MB). Free memory was 69.4MB in the beginning and 393.4MB in the end (delta: -323.9MB). Peak memory consumption was 497.2MB. Max. memory is 16.1GB. [2022-11-03 02:31:55,735 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:31:55,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2051.97ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 69.2MB in the beginning and 71.1MB in the end (delta: -1.9MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2022-11-03 02:31:55,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 217.62ms. Allocated memory is still 140.5MB. Free memory was 71.1MB in the beginning and 59.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:31:55,737 INFO L158 Benchmark]: Boogie Preprocessor took 218.77ms. Allocated memory was 140.5MB in the beginning and 218.1MB in the end (delta: 77.6MB). Free memory was 59.2MB in the beginning and 157.6MB in the end (delta: -98.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-11-03 02:31:55,737 INFO L158 Benchmark]: RCFGBuilder took 3421.02ms. Allocated memory was 218.1MB in the beginning and 352.3MB in the end (delta: 134.2MB). Free memory was 157.6MB in the beginning and 171.3MB in the end (delta: -13.7MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. [2022-11-03 02:31:55,738 INFO L158 Benchmark]: TraceAbstraction took 17921.63ms. Allocated memory was 352.3MB in the beginning and 931.1MB in the end (delta: 578.8MB). Free memory was 171.3MB in the beginning and 441.5MB in the end (delta: -270.2MB). Peak memory consumption was 308.3MB. Max. memory is 16.1GB. [2022-11-03 02:31:55,739 INFO L158 Benchmark]: Witness Printer took 227.70ms. Allocated memory is still 931.1MB. Free memory was 441.5MB in the beginning and 393.4MB in the end (delta: 48.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-03 02:31:55,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 62.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2051.97ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 69.2MB in the beginning and 71.1MB in the end (delta: -1.9MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 217.62ms. Allocated memory is still 140.5MB. Free memory was 71.1MB in the beginning and 59.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 218.77ms. Allocated memory was 140.5MB in the beginning and 218.1MB in the end (delta: 77.6MB). Free memory was 59.2MB in the beginning and 157.6MB in the end (delta: -98.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3421.02ms. Allocated memory was 218.1MB in the beginning and 352.3MB in the end (delta: 134.2MB). Free memory was 157.6MB in the beginning and 171.3MB in the end (delta: -13.7MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. * TraceAbstraction took 17921.63ms. Allocated memory was 352.3MB in the beginning and 931.1MB in the end (delta: 578.8MB). Free memory was 171.3MB in the beginning and 441.5MB in the end (delta: -270.2MB). Peak memory consumption was 308.3MB. Max. memory is 16.1GB. * Witness Printer took 227.70ms. Allocated memory is still 931.1MB. Free memory was 441.5MB in the beginning and 393.4MB in the end (delta: 48.1MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - 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 - CounterExampleResult [Line: 6079]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6102] int ldv_state_variable_3 ; [L6103] int LDV_IN_INTERRUPT = 1; [L6104] int ldv_state_variable_2 ; [L6105] struct net_device *lapbeth_netdev_ops_group1 ; [L6106] int ref_cnt ; [L6107] struct sk_buff *lapbeth_callbacks_group0 ; [L6108] struct net_device *lapbeth_callbacks_group1 ; [L6109] int ldv_state_variable_1 ; [L6110] int ldv_state_variable_4 ; [L6111] int ldv_state_variable_0 ; [L6683-L6684] static u8 const bcast_addr[6U] = { 255U, 255U, 255U, 255U, 255U, 255U}; [L6685] static struct list_head lapbeth_devices = {& lapbeth_devices, & lapbeth_devices}; [L6968-L6969] static struct lapb_register_struct const lapbeth_callbacks = {& lapbeth_connected, & lapbeth_connected, & lapbeth_disconnected, & lapbeth_disconnected, & lapbeth_data_indication, & lapbeth_data_transmit}; [L6997-L7000] static struct net_device_ops const lapbeth_netdev_ops = {0, 0, & lapbeth_open, & lapbeth_close, & lapbeth_xmit, 0, 0, 0, & lapbeth_set_mac_address, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L7117] static struct packet_type lapbeth_packet_type = {96U, 0, & lapbeth_rcv, 0, 0, {0, 0}}; [L7118] static struct notifier_block lapbeth_dev_notifier = {& lapbeth_device_event, 0, 0}; [L7119-L7128] static char const banner[37U] = { '\016', 'L', 'A', 'P', 'B', ' ', 'E', 't', 'h', 'e', 'r', 'n', 'e', 't', ' ', 'd', 'r', 'i', 'v', 'e', 'r', ' ', 'v', 'e', 'r', 's', 'i', 'o', 'n', ' ', '0', '.', '0', '2', '\n', '\000'}; [L7169] int ldv_retval_2 ; [L7170] int ldv_retval_0 ; [L7172] int ldv_retval_1 ; [L7607] Element set_impl[15] ; [L7608] int last_index = 0; [L7742] Set LDV_SKBS ; [L7198] int ldvarg1 ; [L7199] int tmp ; [L7200] int ldvarg3 ; [L7201] int tmp___0 ; [L7202] int ldvarg0 ; [L7203] int tmp___1 ; [L7204] int ldvarg2 ; [L7205] int tmp___2 ; [L7206] struct notifier_block *ldvarg4 ; [L7207] void *tmp___3 ; [L7208] void *ldvarg5 ; [L7209] void *tmp___4 ; [L7210] unsigned long ldvarg6 ; [L7211] unsigned long tmp___5 ; [L7212] struct sk_buff *ldvarg8 ; [L7213] void *tmp___6 ; [L7214] void *ldvarg7 ; [L7215] void *tmp___7 ; [L7216] struct packet_type *ldvarg11 ; [L7217] void *tmp___8 ; [L7218] struct sk_buff *ldvarg10 ; [L7219] void *tmp___9 ; [L7220] struct net_device *ldvarg12 ; [L7221] void *tmp___10 ; [L7222] struct net_device *ldvarg9 ; [L7223] void *tmp___11 ; [L7224] int tmp___12 ; [L7225] int tmp___13 ; [L7226] int tmp___14 ; [L7227] int tmp___15 ; [L7228] int tmp___16 ; [L7229] int tmp___17 ; [L7231] tmp = __VERIFIER_nondet_int() [L7232] ldvarg1 = tmp [L7233] tmp___0 = __VERIFIER_nondet_int() [L7234] ldvarg3 = tmp___0 [L7235] tmp___1 = __VERIFIER_nondet_int() [L7236] ldvarg0 = tmp___1 [L7237] tmp___2 = __VERIFIER_nondet_int() [L7238] ldvarg2 = tmp___2 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0] [L7239] CALL, EXPR ldv_successful_zalloc(24UL) VAL [\old(__size)=24, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=24, __size=24, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-3:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=24, __size=24, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-3:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-3:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=24, __size=24, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-3:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-3:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7239] RET, EXPR ldv_successful_zalloc(24UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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_successful_zalloc(24UL)={-3:0}, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0] [L7239] tmp___3 = ldv_successful_zalloc(24UL) [L7240] ldvarg4 = (struct notifier_block *)tmp___3 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}] [L7241] CALL, EXPR ldv_successful_zalloc(1UL) VAL [\old(__size)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-4:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-4:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-4:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-4:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-4:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7241] RET, EXPR ldv_successful_zalloc(1UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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_successful_zalloc(1UL)={-4:0}, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}] [L7241] tmp___4 = ldv_successful_zalloc(1UL) [L7242] ldvarg5 = tmp___4 [L7243] tmp___5 = __VERIFIER_nondet_ulong() [L7244] ldvarg6 = tmp___5 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2] [L7245] CALL, EXPR ldv_successful_zalloc(232UL) VAL [\old(__size)=232, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-5:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-5:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-5:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-5:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-5:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7245] RET, EXPR ldv_successful_zalloc(232UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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_successful_zalloc(232UL)={-5:0}, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2] [L7245] tmp___6 = ldv_successful_zalloc(232UL) [L7246] ldvarg8 = (struct sk_buff *)tmp___6 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}] [L7247] CALL, EXPR ldv_successful_zalloc(1UL) VAL [\old(__size)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-6:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-6:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-6:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=1, __size=1, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-6:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-6:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7247] RET, EXPR ldv_successful_zalloc(1UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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_successful_zalloc(1UL)={-6:0}, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}] [L7247] tmp___7 = ldv_successful_zalloc(1UL) [L7248] ldvarg7 = tmp___7 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}] [L7249] CALL, EXPR ldv_successful_zalloc(56UL) VAL [\old(__size)=56, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=56, __size=56, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-7:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=56, __size=56, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-7:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-7:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=56, __size=56, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-7:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-7:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7249] RET, EXPR ldv_successful_zalloc(56UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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_successful_zalloc(56UL)={-7:0}, ldvarg0=0, ldvarg1=-2, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}] [L7249] tmp___8 = ldv_successful_zalloc(56UL) [L7250] ldvarg11 = (struct packet_type *)tmp___8 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ldvarg0=0, ldvarg1=-2, ldvarg11={-7:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}] [L7251] CALL, EXPR ldv_successful_zalloc(232UL) VAL [\old(__size)=232, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-8:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-8:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-8:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-8:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-8:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7251] RET, EXPR ldv_successful_zalloc(232UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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_successful_zalloc(232UL)={-8:0}, ldvarg0=0, ldvarg1=-2, ldvarg11={-7:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}] [L7251] tmp___9 = ldv_successful_zalloc(232UL) [L7252] ldvarg10 = (struct sk_buff *)tmp___9 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7253] CALL, EXPR ldv_successful_zalloc(3264UL) VAL [\old(__size)=3264, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-9:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-9:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-9:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-9:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-9:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7253] RET, EXPR ldv_successful_zalloc(3264UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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_successful_zalloc(3264UL)={-9:0}, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7253] tmp___10 = ldv_successful_zalloc(3264UL) [L7254] ldvarg12 = (struct net_device *)tmp___10 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7255] CALL, EXPR ldv_successful_zalloc(3264UL) VAL [\old(__size)=3264, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-10:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-10:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-10:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-10:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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, p={-10:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7255] RET, EXPR ldv_successful_zalloc(3264UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, 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_successful_zalloc(3264UL)={-10:0}, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7255] tmp___11 = ldv_successful_zalloc(3264UL) [L7256] ldvarg9 = (struct net_device *)tmp___11 [L7257] CALL ldv_initialize() [L7761] CALL ldv_set_init(LDV_SKBS) [L7613] set = set_impl [L7614] last_index = 0 [L7761] RET ldv_set_init(LDV_SKBS) [L7257] RET ldv_initialize() [L7258] ldv_state_variable_4 = 0 [L7259] ldv_state_variable_1 = 0 [L7260] ref_cnt = 0 [L7261] ldv_state_variable_0 = 1 [L7262] ldv_state_variable_3 = 0 [L7263] ldv_state_variable_2 = 0 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7265] tmp___12 = __VERIFIER_nondet_int() [L7267] case 0: [L7354] case 1: [L7372] case 2: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7373] COND TRUE ldv_state_variable_0 != 0 [L7374] tmp___15 = __VERIFIER_nondet_int() [L7376] case 0: [L7384] case 1: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7385] COND TRUE ldv_state_variable_0 == 1 [L7386] CALL, EXPR lapbeth_init_driver() [L7132] FCALL dev_add_pack(& lapbeth_packet_type) [L7133] CALL register_netdevice_notifier(& lapbeth_dev_notifier) [L7932] return __VERIFIER_nondet_int(); [L7133] RET register_netdevice_notifier(& lapbeth_dev_notifier) [L7135] return (0); [L7386] RET, EXPR lapbeth_init_driver() [L7386] ldv_retval_0 = lapbeth_init_driver() [L7387] COND TRUE ldv_retval_0 == 0 [L7388] ldv_state_variable_0 = 3 [L7389] ldv_state_variable_2 = 1 [L7390] ldv_state_variable_3 = 1 [L7391] CALL ldv_net_device_ops_3() [L7177] void *tmp ; VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L7179] CALL, EXPR ldv_successful_zalloc(3264UL) VAL [\old(__size)=3264, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-11:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-11:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, p={-11:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-11:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, p={-11:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7179] RET, EXPR ldv_successful_zalloc(3264UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={0:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_successful_zalloc(3264UL)={-11:0}, ref_cnt=0, set_impl={29:0}] [L7179] tmp = ldv_successful_zalloc(3264UL) [L7180] lapbeth_netdev_ops_group1 = (struct net_device *)tmp [L7391] RET ldv_net_device_ops_3() [L7392] ldv_state_variable_1 = 1 [L7393] ldv_state_variable_4 = 1 [L7394] CALL ldv_initialize_lapb_register_struct_4() [L7186] void *tmp ; [L7187] void *tmp___0 ; VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L7189] CALL, EXPR ldv_successful_zalloc(3264UL) VAL [\old(__size)=3264, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={-12:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=3264, __size=3264, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={-12:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7189] RET, EXPR ldv_successful_zalloc(3264UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={0:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_successful_zalloc(3264UL)={-12:0}, ref_cnt=0, set_impl={29:0}] [L7189] tmp = ldv_successful_zalloc(3264UL) [L7190] lapbeth_callbacks_group1 = (struct net_device *)tmp VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}, tmp={-12:0}] [L7191] CALL, EXPR ldv_successful_zalloc(232UL) VAL [\old(__size)=232, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-13:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-13:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={-13:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=232, __size=232, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={-13:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={-13:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7191] RET, EXPR ldv_successful_zalloc(232UL) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={0:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_successful_zalloc(232UL)={-13:0}, ref_cnt=0, set_impl={29:0}, tmp={-12:0}] [L7191] tmp___0 = ldv_successful_zalloc(232UL) [L7192] lapbeth_callbacks_group0 = (struct sk_buff *)tmp___0 [L7394] RET ldv_initialize_lapb_register_struct_4() [L7397] COND FALSE !(ldv_retval_0 != 0) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7265] tmp___12 = __VERIFIER_nondet_int() [L7267] case 0: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7268] COND TRUE ldv_state_variable_4 != 0 [L7269] tmp___13 = __VERIFIER_nondet_int() [L7271] case 0: [L7283] case 1: [L7295] case 2: [L7303] case 3: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___13=3, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7304] COND TRUE ldv_state_variable_4 == 1 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___13=3, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7305] CALL lapbeth_connected(lapbeth_callbacks_group1, ldvarg1) VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6916] unsigned char *ptr ; [L6917] struct sk_buff *skb ; [L6918] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(reason)=-2, banner={28:0}, bcast_addr={22:0}, dev={-12:0}, dev={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, reason=-2, ref_cnt=0, set_impl={29:0}] [L6920] CALL, EXPR ldv_dev_alloc_skb_18(1U) VAL [\old(last_index)=0, \old(length)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L7584] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, length=1, ref_cnt=0, set_impl={29:0}] [L7586] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L7745] void *skb ; [L7746] void *tmp___7 ; VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L7748] CALL, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(__size)=248, \old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=248, \old(last_index)=0, __size=248, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={18446744073709551616:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6021] void *p = calloc(1UL, __size); VAL [\old(__size)=248, \old(last_index)=0, __size=248, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={18446744073709551616:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={18446744073709551616:0}, ref_cnt=0, set_impl={29:0}] [L6022] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, \old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6018] COND FALSE !(!cond) [L6022] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=248, \old(last_index)=0, __size=248, banner={28:0}, bcast_addr={22:0}, calloc(1UL, __size)={18446744073709551616:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, p={18446744073709551616:0}, ref_cnt=0, set_impl={29:0}] [L6023] return p; [L7748] RET, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_successful_zalloc(sizeof(struct sk_buff___0 ))={18446744073709551616:0}, ref_cnt=0, set_impl={29:0}] [L7748] tmp___7 = ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L7749] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}, skb={18446744073709551616:0}, tmp___7={18446744073709551616:0}] [L7750] COND FALSE !(! skb) [L7753] CALL ldv_set_add(LDV_SKBS, skb) [L7621] int i ; [L7623] i = 0 VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={29:0}] [L7624] COND TRUE 1 VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={29:0}] [L7625] COND FALSE !(i < last_index) VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={29:0}] [L7635] COND TRUE last_index < 15 [L7636] set_impl[last_index] = e [L7637] last_index = last_index + 1 VAL [\old(last_index)=0, banner={28:0}, bcast_addr={22:0}, e={18446744073709551616:0}, e={18446744073709551616:0}, i=0, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={29:0}] [L7753] RET ldv_set_add(LDV_SKBS, skb) [L7754] return (skb); VAL [\old(last_index)=0, \result={18446744073709551616:0}, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}, skb={18446744073709551616:0}, tmp___7={18446744073709551616:0}] [L7586] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=1, banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_skb_alloc()={18446744073709551616:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, length=1, ref_cnt=0, set_impl={29:0}] [L7586] tmp = ldv_skb_alloc() [L7587] return (tmp); [L6920] RET, EXPR ldv_dev_alloc_skb_18(1U) VAL [\old(last_index)=0, \old(reason)=-2, banner={28:0}, bcast_addr={22:0}, dev={-12:0}, dev={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, ldv_dev_alloc_skb_18(1U)={18446744073709551616:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, reason=-2, ref_cnt=0, set_impl={29:0}] [L6920] tmp = ldv_dev_alloc_skb_18(1U) [L6921] skb = tmp VAL [\old(last_index)=0, \old(reason)=-2, banner={28:0}, bcast_addr={22:0}, dev={-12:0}, dev={-12:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, reason=-2, ref_cnt=0, set_impl={29:0}, skb={18446744073709551616:0}, tmp={18446744073709551616:0}] [L6922] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L7305] RET lapbeth_connected(lapbeth_callbacks_group1, ldvarg1) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___13=3, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7306] ldv_state_variable_4 = 1 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___13=3, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7309] COND FALSE !(ldv_state_variable_4 == 2) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=0, tmp___13=3, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7265] tmp___12 = __VERIFIER_nondet_int() [L7267] case 0: [L7354] case 1: [L7372] case 2: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___13=3, tmp___15=1, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7373] COND TRUE ldv_state_variable_0 != 0 [L7374] tmp___15 = __VERIFIER_nondet_int() [L7376] case 0: VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___13=3, tmp___15=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7377] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L7378] CALL lapbeth_cleanup_driver() [L7140] struct lapbethdev *lapbeth ; [L7141] struct list_head *entry ; [L7142] struct list_head *tmp ; [L7143] struct list_head const *__mptr ; [L7145] FCALL dev_remove_pack(& lapbeth_packet_type) [L7146] CALL unregister_netdevice_notifier(& lapbeth_dev_notifier) [L7963] return __VERIFIER_nondet_int(); [L7146] RET unregister_netdevice_notifier(& lapbeth_dev_notifier) [L7147] FCALL rtnl_lock() [L7148] EXPR lapbeth_devices.next [L7148] entry = lapbeth_devices.next [L7149] EXPR entry->next [L7149] tmp = entry->next [L7159] COND FALSE !((unsigned long )entry != (unsigned long )(& lapbeth_devices)) [L7163] FCALL rtnl_unlock() [L7378] RET lapbeth_cleanup_driver() [L7379] ldv_state_variable_0 = 2 VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ldvarg0=0, ldvarg1=-2, ldvarg10={-8:0}, ldvarg11={-7:0}, ldvarg12={-9:0}, ldvarg2=0, ldvarg3=0, ldvarg4={-3:0}, ldvarg5={-4:0}, ldvarg6=2, ldvarg7={-6:0}, ldvarg8={-5:0}, ldvarg9={-10:0}, ref_cnt=0, set_impl={29:0}, tmp=-2, tmp___0=0, tmp___1=0, tmp___10={-9:0}, tmp___11={-10:0}, tmp___12=2, tmp___13=3, tmp___15=0, tmp___2=0, tmp___3={-3:0}, tmp___4={-4:0}, tmp___5=2, tmp___6={-5:0}, tmp___7={-6:0}, tmp___8={-7:0}, tmp___9={-8:0}] [L7507] CALL ldv_check_final_state() [L7812] int tmp___7 ; [L7814] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L7703] return (last_index == 0); [L7814] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L7814] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L7815] COND FALSE !(\read(tmp___7)) VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}, tmp___7=0] [L7817] CALL ldv_error() VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] [L6079] reach_error() VAL [banner={28:0}, bcast_addr={22:0}, lapbeth_callbacks={24:0}, lapbeth_callbacks_group0={-13:0}, lapbeth_callbacks_group1={-12:0}, lapbeth_dev_notifier={27:0}, lapbeth_devices={23:0}, lapbeth_netdev_ops={25:0}, lapbeth_netdev_ops_group1={-11:0}, lapbeth_packet_type={26:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_state_variable_4=1, ref_cnt=0, set_impl={29:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 425 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.6s, OverallIterations: 9, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4186 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4115 mSDsluCounter, 9717 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5823 mSDsCounter, 678 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2844 IncrementalHoareTripleChecker+Invalid, 3522 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 678 mSolverCounterUnsat, 4748 mSDtfsCounter, 2844 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13162occurred in iteration=8, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 8 MinimizatonAttempts, 626 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1422 NumberOfCodeBlocks, 1422 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1218 ConstructedInterpolants, 0 QuantifiedInterpolants, 1472 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 3288/3288 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 proved your program to be incorrect! [2022-11-03 02:31:55,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_757a2dc7-333b-4b48-840f-7d16efc90fb4/bin/utaipan-7li7fVZpFI/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE