./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 b5237d83 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_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/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_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 02:36:05,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:36:05,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:36:05,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:36:05,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:36:05,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:36:05,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:36:05,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:36:05,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:36:05,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:36:05,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:36:05,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:36:05,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:36:05,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:36:05,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:36:05,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:36:05,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:36:05,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:36:05,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:36:05,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:36:05,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:36:05,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:36:05,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:36:05,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:36:05,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:36:05,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:36:05,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:36:05,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:36:05,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:36:05,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:36:05,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:36:05,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:36:05,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:36:05,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:36:05,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:36:05,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:36:05,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:36:05,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:36:05,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:36:05,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:36:05,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:36:05,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:36:05,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:36:05,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:36:05,134 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:36:05,134 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:36:05,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:36:05,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:36:05,136 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:36:05,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:36:05,136 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:36:05,136 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:36:05,137 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:36:05,138 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:36:05,138 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:36:05,138 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:36:05,138 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:36:05,139 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:36:05,139 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:36:05,139 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:36:05,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:36:05,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:36:05,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:36:05,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:36:05,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:36:05,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:36:05,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:36:05,142 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:36:05,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:36:05,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:36:05,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:36:05,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:36:05,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:36:05,143 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:36:05,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:36:05,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:36:05,144 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:36:05,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:36:05,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:36:05,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:36:05,145 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_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c9185451e17cd03a558fe9bd455bfb656de587a9df23cb7cc44d8e38d5b1098 [2022-11-22 02:36:05,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:36:05,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:36:05,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:36:05,459 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:36:05,460 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:36:05,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/../../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 [2022-11-22 02:36:08,607 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:36:09,147 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:36:09,147 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/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 [2022-11-22 02:36:09,188 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/data/5ce2b19c2/0b984952e680498f8c394b5b06fb2c9e/FLAG814f89239 [2022-11-22 02:36:09,211 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/data/5ce2b19c2/0b984952e680498f8c394b5b06fb2c9e [2022-11-22 02:36:09,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:36:09,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:36:09,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:36:09,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:36:09,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:36:09,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:36:09" (1/1) ... [2022-11-22 02:36:09,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47470426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:09, skipping insertion in model container [2022-11-22 02:36:09,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:36:09" (1/1) ... [2022-11-22 02:36:09,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:36:09,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:36:10,232 WARN L237 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_3ca5480b-4db4-4b95-8562-56791ea25809/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] [2022-11-22 02:36:10,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:36:10,664 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:36:10,816 WARN L237 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_3ca5480b-4db4-4b95-8562-56791ea25809/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] [2022-11-22 02:36:10,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:36:11,059 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:36:11,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11 WrapperNode [2022-11-22 02:36:11,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:36:11,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:36:11,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:36:11,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:36:11,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (1/1) ... [2022-11-22 02:36:11,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (1/1) ... [2022-11-22 02:36:11,211 INFO L138 Inliner]: procedures = 177, calls = 512, calls flagged for inlining = 97, calls inlined = 94, statements flattened = 1872 [2022-11-22 02:36:11,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:36:11,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:36:11,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:36:11,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:36:11,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (1/1) ... [2022-11-22 02:36:11,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (1/1) ... [2022-11-22 02:36:11,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (1/1) ... [2022-11-22 02:36:11,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (1/1) ... [2022-11-22 02:36:11,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (1/1) ... [2022-11-22 02:36:11,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (1/1) ... [2022-11-22 02:36:11,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (1/1) ... [2022-11-22 02:36:11,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (1/1) ... [2022-11-22 02:36:11,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:36:11,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:36:11,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:36:11,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:36:11,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (1/1) ... [2022-11-22 02:36:11,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:36:11,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:36:11,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:36:11,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:36:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 02:36:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-22 02:36:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-22 02:36:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-22 02:36:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 02:36:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 02:36:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_18 [2022-11-22 02:36:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_18 [2022-11-22 02:36:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 02:36:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 02:36:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:36:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 02:36:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 02:36:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-22 02:36:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-22 02:36:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-22 02:36:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-22 02:36:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-22 02:36:11,417 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-22 02:36:11,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-22 02:36:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-22 02:36:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 02:36:11,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 02:36:11,418 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 02:36:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-22 02:36:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-22 02:36:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-22 02:36:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-22 02:36:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_disconnected [2022-11-22 02:36:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_disconnected [2022-11-22 02:36:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-22 02:36:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-22 02:36:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_data_transmit [2022-11-22 02:36:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_data_transmit [2022-11-22 02:36:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_data_indication [2022-11-22 02:36:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_data_indication [2022-11-22 02:36:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:36:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 02:36:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 02:36:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-22 02:36:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-22 02:36:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 02:36:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 02:36:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 02:36:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 02:36:11,424 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_set_mac_address [2022-11-22 02:36:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_set_mac_address [2022-11-22 02:36:11,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:36:11,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:36:11,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:36:11,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2022-11-22 02:36:11,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2022-11-22 02:36:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:36:11,426 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2022-11-22 02:36:11,426 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2022-11-22 02:36:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-22 02:36:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-22 02:36:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:36:11,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:36:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-22 02:36:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-22 02:36:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 02:36:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_get_x25_dev [2022-11-22 02:36:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_get_x25_dev [2022-11-22 02:36:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 02:36:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 02:36:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 02:36:11,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 02:36:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:36:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-22 02:36:11,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-22 02:36:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure lapbeth_connected [2022-11-22 02:36:11,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lapbeth_connected [2022-11-22 02:36:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:36:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:36:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 02:36:11,431 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 02:36:11,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2022-11-22 02:36:11,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2022-11-22 02:36:11,432 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 02:36:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 02:36:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 02:36:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 02:36:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:36:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2022-11-22 02:36:11,433 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2022-11-22 02:36:11,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 02:36:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:36:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:36:12,005 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:36:12,007 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:36:12,458 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 02:36:13,931 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:36:14,887 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:36:14,887 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-22 02:36:14,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:36:14 BoogieIcfgContainer [2022-11-22 02:36:14,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:36:14,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:36:14,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:36:14,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:36:14,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:36:09" (1/3) ... [2022-11-22 02:36:14,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17301fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:36:14, skipping insertion in model container [2022-11-22 02:36:14,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:36:11" (2/3) ... [2022-11-22 02:36:14,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17301fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:36:14, skipping insertion in model container [2022-11-22 02:36:14,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:36:14" (3/3) ... [2022-11-22 02:36:14,906 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 [2022-11-22 02:36:14,926 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:36:14,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:36:15,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:36:15,022 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;@54cdb6b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:36:15,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:36:15,032 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) [2022-11-22 02:36:15,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-22 02:36:15,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:15,057 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] [2022-11-22 02:36:15,057 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:36:15,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:15,062 INFO L85 PathProgramCache]: Analyzing trace with hash 417561123, now seen corresponding path program 1 times [2022-11-22 02:36:15,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:15,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821990100] [2022-11-22 02:36:15,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:15,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-22 02:36:15,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:15,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821990100] [2022-11-22 02:36:15,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821990100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:15,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:15,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:36:15,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289636270] [2022-11-22 02:36:15,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:15,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:36:15,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:15,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:36:15,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:36:15,922 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) [2022-11-22 02:36:16,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:16,671 INFO L93 Difference]: Finished difference Result 1217 states and 1764 transitions. [2022-11-22 02:36:16,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:36:16,673 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 [2022-11-22 02:36:16,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:16,704 INFO L225 Difference]: With dead ends: 1217 [2022-11-22 02:36:16,704 INFO L226 Difference]: Without dead ends: 794 [2022-11-22 02:36:16,714 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 [2022-11-22 02:36:16,722 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 535 mSDsluCounter, 502 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 [2022-11-22 02:36:16,724 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] [2022-11-22 02:36:16,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2022-11-22 02:36:16,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2022-11-22 02:36:16,868 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) [2022-11-22 02:36:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1107 transitions. [2022-11-22 02:36:16,879 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1107 transitions. Word has length 109 [2022-11-22 02:36:16,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:16,880 INFO L495 AbstractCegarLoop]: Abstraction has 794 states and 1107 transitions. [2022-11-22 02:36:16,881 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) [2022-11-22 02:36:16,881 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1107 transitions. [2022-11-22 02:36:16,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-22 02:36:16,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:16,890 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] [2022-11-22 02:36:16,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:36:16,890 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:36:16,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:16,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1234931697, now seen corresponding path program 1 times [2022-11-22 02:36:16,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:16,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536640059] [2022-11-22 02:36:16,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:16,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-22 02:36:17,443 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:17,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536640059] [2022-11-22 02:36:17,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536640059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:17,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:17,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 02:36:17,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031745618] [2022-11-22 02:36:17,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:17,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 02:36:17,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:17,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 02:36:17,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 02:36:17,446 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) [2022-11-22 02:36:18,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:18,083 INFO L93 Difference]: Finished difference Result 1571 states and 2233 transitions. [2022-11-22 02:36:18,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 02:36:18,084 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 [2022-11-22 02:36:18,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:18,106 INFO L225 Difference]: With dead ends: 1571 [2022-11-22 02:36:18,106 INFO L226 Difference]: Without dead ends: 1561 [2022-11-22 02:36:18,107 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 [2022-11-22 02:36:18,112 INFO L413 NwaCegarLoop]: 591 mSDtfsCounter, 562 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:36:18,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 1671 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:36:18,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2022-11-22 02:36:18,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1553. [2022-11-22 02:36:18,222 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) [2022-11-22 02:36:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 2208 transitions. [2022-11-22 02:36:18,233 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 2208 transitions. Word has length 111 [2022-11-22 02:36:18,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:18,233 INFO L495 AbstractCegarLoop]: Abstraction has 1553 states and 2208 transitions. [2022-11-22 02:36:18,234 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) [2022-11-22 02:36:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2208 transitions. [2022-11-22 02:36:18,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-22 02:36:18,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:18,243 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] [2022-11-22 02:36:18,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 02:36:18,243 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:36:18,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:18,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1375519559, now seen corresponding path program 1 times [2022-11-22 02:36:18,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:18,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075002317] [2022-11-22 02:36:18,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:18,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-22 02:36:18,529 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:18,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075002317] [2022-11-22 02:36:18,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075002317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:18,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:18,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:36:18,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196470768] [2022-11-22 02:36:18,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:18,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:36:18,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:18,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:36:18,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:36:18,536 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) [2022-11-22 02:36:19,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:19,041 INFO L93 Difference]: Finished difference Result 4415 states and 6243 transitions. [2022-11-22 02:36:19,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:36:19,042 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 [2022-11-22 02:36:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:19,060 INFO L225 Difference]: With dead ends: 4415 [2022-11-22 02:36:19,060 INFO L226 Difference]: Without dead ends: 2879 [2022-11-22 02:36:19,069 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 [2022-11-22 02:36:19,077 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 484 mSDsluCounter, 455 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 [2022-11-22 02:36:19,080 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] [2022-11-22 02:36:19,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2022-11-22 02:36:19,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2874. [2022-11-22 02:36:19,218 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) [2022-11-22 02:36:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 4052 transitions. [2022-11-22 02:36:19,234 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 4052 transitions. Word has length 143 [2022-11-22 02:36:19,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:19,238 INFO L495 AbstractCegarLoop]: Abstraction has 2874 states and 4052 transitions. [2022-11-22 02:36:19,239 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) [2022-11-22 02:36:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 4052 transitions. [2022-11-22 02:36:19,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-22 02:36:19,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:19,243 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] [2022-11-22 02:36:19,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 02:36:19,245 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:36:19,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:19,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1155320486, now seen corresponding path program 1 times [2022-11-22 02:36:19,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:19,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620982906] [2022-11-22 02:36:19,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:19,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-22 02:36:19,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:19,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620982906] [2022-11-22 02:36:19,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620982906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:19,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:19,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:36:19,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33953858] [2022-11-22 02:36:19,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:19,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:36:19,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:19,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:36:19,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:36:19,503 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) [2022-11-22 02:36:20,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:20,156 INFO L93 Difference]: Finished difference Result 7950 states and 11159 transitions. [2022-11-22 02:36:20,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:36:20,157 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 [2022-11-22 02:36:20,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:20,184 INFO L225 Difference]: With dead ends: 7950 [2022-11-22 02:36:20,185 INFO L226 Difference]: Without dead ends: 5093 [2022-11-22 02:36:20,195 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 [2022-11-22 02:36:20,196 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 451 mSDsluCounter, 466 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 [2022-11-22 02:36:20,196 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] [2022-11-22 02:36:20,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5093 states. [2022-11-22 02:36:20,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5093 to 5088. [2022-11-22 02:36:20,483 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) [2022-11-22 02:36:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5088 states to 5088 states and 7120 transitions. [2022-11-22 02:36:20,518 INFO L78 Accepts]: Start accepts. Automaton has 5088 states and 7120 transitions. Word has length 142 [2022-11-22 02:36:20,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:20,518 INFO L495 AbstractCegarLoop]: Abstraction has 5088 states and 7120 transitions. [2022-11-22 02:36:20,518 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) [2022-11-22 02:36:20,519 INFO L276 IsEmpty]: Start isEmpty. Operand 5088 states and 7120 transitions. [2022-11-22 02:36:20,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-22 02:36:20,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:20,523 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] [2022-11-22 02:36:20,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 02:36:20,524 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:36:20,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:20,524 INFO L85 PathProgramCache]: Analyzing trace with hash -270374221, now seen corresponding path program 1 times [2022-11-22 02:36:20,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:20,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759007708] [2022-11-22 02:36:20,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:20,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:20,719 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-22 02:36:20,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:20,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759007708] [2022-11-22 02:36:20,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759007708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:20,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:20,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:36:20,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102707352] [2022-11-22 02:36:20,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:20,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:36:20,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:20,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:36:20,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:36:20,721 INFO L87 Difference]: Start difference. First operand 5088 states and 7120 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-11-22 02:36:21,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:21,633 INFO L93 Difference]: Finished difference Result 13138 states and 18347 transitions. [2022-11-22 02:36:21,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:36:21,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 152 [2022-11-22 02:36:21,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:21,693 INFO L225 Difference]: With dead ends: 13138 [2022-11-22 02:36:21,693 INFO L226 Difference]: Without dead ends: 8067 [2022-11-22 02:36:21,714 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 [2022-11-22 02:36:21,715 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 400 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 02:36:21,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1126 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 02:36:21,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8067 states. [2022-11-22 02:36:22,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8067 to 8060. [2022-11-22 02:36:22,259 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) [2022-11-22 02:36:22,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8060 states to 8060 states and 11230 transitions. [2022-11-22 02:36:22,303 INFO L78 Accepts]: Start accepts. Automaton has 8060 states and 11230 transitions. Word has length 152 [2022-11-22 02:36:22,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:22,305 INFO L495 AbstractCegarLoop]: Abstraction has 8060 states and 11230 transitions. [2022-11-22 02:36:22,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2022-11-22 02:36:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand 8060 states and 11230 transitions. [2022-11-22 02:36:22,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-22 02:36:22,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:22,319 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] [2022-11-22 02:36:22,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 02:36:22,321 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:36:22,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:22,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1110506072, now seen corresponding path program 1 times [2022-11-22 02:36:22,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:22,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541990541] [2022-11-22 02:36:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:22,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2022-11-22 02:36:22,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:22,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541990541] [2022-11-22 02:36:22,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541990541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:22,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:22,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:36:22,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771929277] [2022-11-22 02:36:22,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:22,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:36:22,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:22,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:36:22,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:36:22,513 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) [2022-11-22 02:36:23,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:23,127 INFO L93 Difference]: Finished difference Result 12181 states and 17215 transitions. [2022-11-22 02:36:23,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:36:23,127 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 [2022-11-22 02:36:23,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:23,181 INFO L225 Difference]: With dead ends: 12181 [2022-11-22 02:36:23,182 INFO L226 Difference]: Without dead ends: 8116 [2022-11-22 02:36:23,205 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 [2022-11-22 02:36:23,206 INFO L413 NwaCegarLoop]: 494 mSDtfsCounter, 4 mSDsluCounter, 488 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 [2022-11-22 02:36:23,207 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] [2022-11-22 02:36:23,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8116 states. [2022-11-22 02:36:23,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8116 to 8116. [2022-11-22 02:36:23,701 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) [2022-11-22 02:36:23,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8116 states to 8116 states and 11292 transitions. [2022-11-22 02:36:23,752 INFO L78 Accepts]: Start accepts. Automaton has 8116 states and 11292 transitions. Word has length 186 [2022-11-22 02:36:23,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:23,753 INFO L495 AbstractCegarLoop]: Abstraction has 8116 states and 11292 transitions. [2022-11-22 02:36:23,754 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) [2022-11-22 02:36:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 8116 states and 11292 transitions. [2022-11-22 02:36:23,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-11-22 02:36:23,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:23,770 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, 1] [2022-11-22 02:36:23,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 02:36:23,770 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:36:23,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:23,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1918442072, now seen corresponding path program 1 times [2022-11-22 02:36:23,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:23,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633302510] [2022-11-22 02:36:23,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:23,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:23,989 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2022-11-22 02:36:23,990 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:23,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633302510] [2022-11-22 02:36:23,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633302510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:23,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:23,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:36:23,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689327584] [2022-11-22 02:36:23,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:23,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:36:23,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:23,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:36:23,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:36:23,993 INFO L87 Difference]: Start difference. First operand 8116 states and 11292 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-22 02:36:24,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:24,990 INFO L93 Difference]: Finished difference Result 20074 states and 27981 transitions. [2022-11-22 02:36:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:36:24,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 188 [2022-11-22 02:36:24,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:25,066 INFO L225 Difference]: With dead ends: 20074 [2022-11-22 02:36:25,066 INFO L226 Difference]: Without dead ends: 11983 [2022-11-22 02:36:25,101 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 [2022-11-22 02:36:25,104 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 484 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:36:25,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 1139 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:36:25,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11983 states. [2022-11-22 02:36:25,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11983 to 11978. [2022-11-22 02:36:26,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11978 states, 8340 states have (on average 1.3559952038369305) internal successors, (11309), 8410 states have internal predecessors, (11309), 2503 states have call successors, (2503), 1115 states have call predecessors, (2503), 1134 states have return successors, (2794), 2500 states have call predecessors, (2794), 2502 states have call successors, (2794) [2022-11-22 02:36:26,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11978 states to 11978 states and 16606 transitions. [2022-11-22 02:36:26,075 INFO L78 Accepts]: Start accepts. Automaton has 11978 states and 16606 transitions. Word has length 188 [2022-11-22 02:36:26,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:26,076 INFO L495 AbstractCegarLoop]: Abstraction has 11978 states and 16606 transitions. [2022-11-22 02:36:26,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-22 02:36:26,076 INFO L276 IsEmpty]: Start isEmpty. Operand 11978 states and 16606 transitions. [2022-11-22 02:36:26,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-22 02:36:26,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:26,097 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] [2022-11-22 02:36:26,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 02:36:26,097 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:36:26,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:26,098 INFO L85 PathProgramCache]: Analyzing trace with hash -2024473653, now seen corresponding path program 1 times [2022-11-22 02:36:26,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:26,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131673493] [2022-11-22 02:36:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:26,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:26,737 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2022-11-22 02:36:26,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:26,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131673493] [2022-11-22 02:36:26,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131673493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:26,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:26,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:36:26,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436911101] [2022-11-22 02:36:26,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:26,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:36:26,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:26,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:36:26,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:36:26,740 INFO L87 Difference]: Start difference. First operand 11978 states and 16606 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) [2022-11-22 02:36:29,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:29,504 INFO L93 Difference]: Finished difference Result 24631 states and 34667 transitions. [2022-11-22 02:36:29,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 02:36:29,505 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 [2022-11-22 02:36:29,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:29,561 INFO L225 Difference]: With dead ends: 24631 [2022-11-22 02:36:29,561 INFO L226 Difference]: Without dead ends: 12678 [2022-11-22 02:36:29,597 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 [2022-11-22 02:36:29,598 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 1176 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 621 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 621 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-22 02:36:29,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 1526 Invalid, 2044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [621 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-22 02:36:29,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12678 states. [2022-11-22 02:36:30,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12678 to 12198. [2022-11-22 02:36:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12198 states, 8460 states have (on average 1.3466903073286052) internal successors, (11393), 8522 states have internal predecessors, (11393), 2575 states have call successors, (2575), 1115 states have call predecessors, (2575), 1162 states have return successors, (2814), 2608 states have call predecessors, (2814), 2574 states have call successors, (2814) [2022-11-22 02:36:30,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12198 states to 12198 states and 16782 transitions. [2022-11-22 02:36:30,270 INFO L78 Accepts]: Start accepts. Automaton has 12198 states and 16782 transitions. Word has length 187 [2022-11-22 02:36:30,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:30,271 INFO L495 AbstractCegarLoop]: Abstraction has 12198 states and 16782 transitions. [2022-11-22 02:36:30,271 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) [2022-11-22 02:36:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 12198 states and 16782 transitions. [2022-11-22 02:36:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-22 02:36:30,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:30,286 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] [2022-11-22 02:36:30,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 02:36:30,287 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:36:30,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:30,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1487345376, now seen corresponding path program 1 times [2022-11-22 02:36:30,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:30,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887491565] [2022-11-22 02:36:30,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:30,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:36:30,600 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-11-22 02:36:30,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:36:30,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887491565] [2022-11-22 02:36:30,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887491565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:36:30,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:36:30,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 02:36:30,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826608987] [2022-11-22 02:36:30,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:36:30,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 02:36:30,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:36:30,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 02:36:30,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 02:36:30,603 INFO L87 Difference]: Start difference. First operand 12198 states and 16782 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) [2022-11-22 02:36:32,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:36:32,139 INFO L93 Difference]: Finished difference Result 31658 states and 43377 transitions. [2022-11-22 02:36:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 02:36:32,140 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 [2022-11-22 02:36:32,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:36:32,231 INFO L225 Difference]: With dead ends: 31658 [2022-11-22 02:36:32,231 INFO L226 Difference]: Without dead ends: 19485 [2022-11-22 02:36:32,266 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 [2022-11-22 02:36:32,269 INFO L413 NwaCegarLoop]: 680 mSDtfsCounter, 506 mSDsluCounter, 445 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 [2022-11-22 02:36:32,269 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] [2022-11-22 02:36:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19485 states. [2022-11-22 02:36:33,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19485 to 19478. [2022-11-22 02:36:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19478 states, 13526 states have (on average 1.329365666124501) internal successors, (17981), 13626 states have internal predecessors, (17981), 4021 states have call successors, (4021), 1835 states have call predecessors, (4021), 1930 states have return successors, (4332), 4088 states have call predecessors, (4332), 4020 states have call successors, (4332) [2022-11-22 02:36:33,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19478 states to 19478 states and 26334 transitions. [2022-11-22 02:36:33,836 INFO L78 Accepts]: Start accepts. Automaton has 19478 states and 26334 transitions. Word has length 194 [2022-11-22 02:36:33,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:36:33,838 INFO L495 AbstractCegarLoop]: Abstraction has 19478 states and 26334 transitions. [2022-11-22 02:36:33,838 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) [2022-11-22 02:36:33,838 INFO L276 IsEmpty]: Start isEmpty. Operand 19478 states and 26334 transitions. [2022-11-22 02:36:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-22 02:36:33,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:36:33,855 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, 1, 1] [2022-11-22 02:36:33,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 02:36:33,855 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:36:33,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:36:33,856 INFO L85 PathProgramCache]: Analyzing trace with hash -126325026, now seen corresponding path program 1 times [2022-11-22 02:36:33,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:36:33,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600847360] [2022-11-22 02:36:33,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:36:33,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:36:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:36:34,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:36:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:36:34,492 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:36:34,492 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:36:34,493 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 02:36:34,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 02:36:34,499 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:36:34,503 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:36:34,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:36:34 BoogieIcfgContainer [2022-11-22 02:36:34,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:36:34,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:36:34,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:36:34,707 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:36:34,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:36:14" (3/4) ... [2022-11-22 02:36:34,709 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-22 02:36:34,874 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:36:34,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:36:34,874 INFO L158 Benchmark]: Toolchain (without parser) took 25657.02ms. Allocated memory was 184.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 129.3MB in the beginning and 1.1GB in the end (delta: -938.5MB). Peak memory consumption was 446.3MB. Max. memory is 16.1GB. [2022-11-22 02:36:34,875 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 132.1MB. Free memory was 97.7MB in the beginning and 97.6MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:36:34,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1841.58ms. Allocated memory is still 184.5MB. Free memory was 129.3MB in the beginning and 121.2MB in the end (delta: 8.1MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2022-11-22 02:36:34,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.28ms. Allocated memory is still 184.5MB. Free memory was 121.2MB in the beginning and 109.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 02:36:34,876 INFO L158 Benchmark]: Boogie Preprocessor took 111.27ms. Allocated memory is still 184.5MB. Free memory was 109.6MB in the beginning and 97.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 02:36:34,876 INFO L158 Benchmark]: RCFGBuilder took 3568.70ms. Allocated memory was 184.5MB in the beginning and 287.3MB in the end (delta: 102.8MB). Free memory was 97.0MB in the beginning and 131.1MB in the end (delta: -34.1MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2022-11-22 02:36:34,876 INFO L158 Benchmark]: TraceAbstraction took 19808.51ms. Allocated memory was 287.3MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 130.1MB in the beginning and 1.1GB in the end (delta: -987.2MB). Peak memory consumption was 291.1MB. Max. memory is 16.1GB. [2022-11-22 02:36:34,877 INFO L158 Benchmark]: Witness Printer took 167.62ms. Allocated memory is still 1.6GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 48.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-22 02:36:34,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 132.1MB. Free memory was 97.7MB in the beginning and 97.6MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1841.58ms. Allocated memory is still 184.5MB. Free memory was 129.3MB in the beginning and 121.2MB in the end (delta: 8.1MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.28ms. Allocated memory is still 184.5MB. Free memory was 121.2MB in the beginning and 109.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.27ms. Allocated memory is still 184.5MB. Free memory was 109.6MB in the beginning and 97.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3568.70ms. Allocated memory was 184.5MB in the beginning and 287.3MB in the end (delta: 102.8MB). Free memory was 97.0MB in the beginning and 131.1MB in the end (delta: -34.1MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. * TraceAbstraction took 19808.51ms. Allocated memory was 287.3MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 130.1MB in the beginning and 1.1GB in the end (delta: -987.2MB). Peak memory consumption was 291.1MB. Max. memory is 16.1GB. * Witness Printer took 167.62ms. Allocated memory is still 1.6GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 48.4MB). 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: [L7315] case 4: [L7327] case 5: 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=5, 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}] [L7328] 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=5, 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}] [L7329] CALL lapbeth_disconnected(lapbeth_callbacks_group1, ldvarg0) 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}] [L6936] unsigned char *ptr ; [L6937] struct sk_buff *skb ; [L6938] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(reason)=0, 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=0, ref_cnt=0, set_impl={29:0}] [L6940] 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); [L6940] RET, EXPR ldv_dev_alloc_skb_18(1U) VAL [\old(last_index)=0, \old(reason)=0, 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=0, ref_cnt=0, set_impl={29:0}] [L6940] tmp = ldv_dev_alloc_skb_18(1U) [L6941] skb = tmp VAL [\old(last_index)=0, \old(reason)=0, 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=0, ref_cnt=0, set_impl={29:0}, skb={18446744073709551616:0}, tmp={18446744073709551616:0}] [L6942] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L7329] RET lapbeth_disconnected(lapbeth_callbacks_group1, ldvarg0) 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=5, 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}] [L7330] 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=5, 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}] [L7333] 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=5, 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=5, 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=5, 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=5, 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: 19.5s, OverallIterations: 10, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4673 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4602 mSDsluCounter, 10791 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5431 mSDsCounter, 669 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3103 IncrementalHoareTripleChecker+Invalid, 3772 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 669 mSolverCounterUnsat, 5360 mSDtfsCounter, 3103 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19478occurred in iteration=9, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 517 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1403 ConstructedInterpolants, 0 QuantifiedInterpolants, 1691 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 3852/3852 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! [2022-11-22 02:36:34,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ca5480b-4db4-4b95-8562-56791ea25809/bin/utaipan-g80aRyZoba/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