./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- [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 [2022-11-21 16:58:32,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:58:32,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:58:32,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:58:32,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:58:32,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:58:32,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:58:32,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:58:32,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:58:32,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:58:32,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:58:32,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:58:32,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:58:32,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:58:32,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:58:32,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:58:32,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:58:32,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:58:32,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:58:32,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:58:32,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:58:32,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:58:32,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:58:32,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:58:32,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:58:32,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:58:32,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:58:32,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:58:32,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:58:32,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:58:32,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:58:32,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:58:32,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:58:32,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:58:32,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:58:32,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:58:32,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:58:32,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:58:32,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:58:32,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:58:32,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:58:32,144 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:58:32,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:58:32,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:58:32,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:58:32,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:58:32,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:58:32,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:58:32,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:58:32,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:58:32,192 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:58:32,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:58:32,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:58:32,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:58:32,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:58:32,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:58:32,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:58:32,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:58:32,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:58:32,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:58:32,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:58:32,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:58:32,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:58:32,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:58:32,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:58:32,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:58:32,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:58:32,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:58:32,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:58:32,197 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:58:32,198 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:58:32,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:58:32,199 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_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-11-21 16:58:32,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:58:32,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:58:32,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:58:32,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:58:32,503 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:58:32,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-11-21 16:58:35,731 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:58:36,464 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:58:36,466 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-11-21 16:58:36,542 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/data/16ecf01b4/2fdb288af03e42c480ea07f1d5129194/FLAG43dd1e4d0 [2022-11-21 16:58:36,557 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/data/16ecf01b4/2fdb288af03e42c480ea07f1d5129194 [2022-11-21 16:58:36,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:58:36,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:58:36,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:58:36,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:58:36,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:58:36,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:58:36" (1/1) ... [2022-11-21 16:58:36,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52796962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:36, skipping insertion in model container [2022-11-21 16:58:36,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:58:36" (1/1) ... [2022-11-21 16:58:36,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:58:36,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:58:40,435 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_2757925d-4339-4664-a757-f41445581a3a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-11-21 16:58:40,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:58:40,603 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:58:41,331 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_2757925d-4339-4664-a757-f41445581a3a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i[397231,397244] [2022-11-21 16:58:41,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:58:41,483 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:58:41,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41 WrapperNode [2022-11-21 16:58:41,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:58:41,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:58:41,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:58:41,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:58:41,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (1/1) ... [2022-11-21 16:58:41,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (1/1) ... [2022-11-21 16:58:41,831 INFO L138 Inliner]: procedures = 426, calls = 3460, calls flagged for inlining = 207, calls inlined = 116, statements flattened = 4523 [2022-11-21 16:58:41,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:58:41,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:58:41,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:58:41,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:58:41,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (1/1) ... [2022-11-21 16:58:41,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (1/1) ... [2022-11-21 16:58:41,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (1/1) ... [2022-11-21 16:58:41,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (1/1) ... [2022-11-21 16:58:41,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (1/1) ... [2022-11-21 16:58:42,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (1/1) ... [2022-11-21 16:58:42,048 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (1/1) ... [2022-11-21 16:58:42,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (1/1) ... [2022-11-21 16:58:42,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:58:42,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:58:42,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:58:42,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:58:42,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (1/1) ... [2022-11-21 16:58:42,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:58:42,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:58:42,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:58:42,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:58:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-21 16:58:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-21 16:58:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-21 16:58:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure backend_switch_state [2022-11-21 16:58:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure backend_switch_state [2022-11-21 16:58:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-21 16:58:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-21 16:58:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 16:58:42,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 16:58:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hotplug_status_watch [2022-11-21 16:58:42,180 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hotplug_status_watch [2022-11-21 16:58:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-21 16:58:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-21 16:58:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_unmap_frontend_rings [2022-11-21 16:58:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_unmap_frontend_rings [2022-11-21 16:58:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:58:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:58:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_xenbus_watch [2022-11-21 16:58:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_xenbus_watch [2022-11-21 16:58:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_kick_thread [2022-11-21 16:58:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_kick_thread [2022-11-21 16:58:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-21 16:58:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-21 16:58:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_map_ring_valloc [2022-11-21 16:58:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_map_ring_valloc [2022-11-21 16:58:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 16:58:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 16:58:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure xen_net_read_rate [2022-11-21 16:58:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_net_read_rate [2022-11-21 16:58:42,183 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-21 16:58:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-21 16:58:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-21 16:58:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-21 16:58:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 16:58:42,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 16:58:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure netback_uevent [2022-11-21 16:58:42,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_uevent [2022-11-21 16:58:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 16:58:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 16:58:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_carrier_off [2022-11-21 16:58:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_carrier_off [2022-11-21 16:58:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:58:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-21 16:58:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-21 16:58:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 16:58:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 16:58:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 16:58:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 16:58:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:58:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-21 16:58:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-21 16:58:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-21 16:58:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-21 16:58:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 16:58:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 16:58:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:58:42,189 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2022-11-21 16:58:42,190 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2022-11-21 16:58:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:58:42,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:58:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:58:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_deinit_queue [2022-11-21 16:58:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_deinit_queue [2022-11-21 16:58:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-11-21 16:58:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-11-21 16:58:42,191 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_to_xenbus_device [2022-11-21 16:58:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_to_xenbus_device [2022-11-21 16:58:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_watchers [2022-11-21 16:58:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_watchers [2022-11-21 16:58:42,192 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-21 16:58:42,192 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-21 16:58:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 16:58:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 16:58:42,193 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_changed [2022-11-21 16:58:42,193 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_changed [2022-11-21 16:58:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:58:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure set_backend_state [2022-11-21 16:58:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure set_backend_state [2022-11-21 16:58:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:58:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:58:42,194 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_write_io_ring [2022-11-21 16:58:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_write_io_ring [2022-11-21 16:58:42,195 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-21 16:58:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-21 16:58:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-21 16:58:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-21 16:58:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_strstate [2022-11-21 16:58:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_strstate [2022-11-21 16:58:42,196 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-21 16:58:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-21 16:58:42,197 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 16:58:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 16:58:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:58:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:58:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 16:58:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 16:58:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:58:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:58:42,198 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_disconnect [2022-11-21 16:58:42,199 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_disconnect [2022-11-21 16:58:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:58:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:58:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-21 16:58:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-21 16:58:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_down [2022-11-21 16:58:42,200 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_down [2022-11-21 16:58:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 16:58:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 16:58:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure bind_interdomain_evtchn_to_irqhandler [2022-11-21 16:58:42,201 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_interdomain_evtchn_to_irqhandler [2022-11-21 16:58:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_uevent [2022-11-21 16:58:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_uevent [2022-11-21 16:58:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-21 16:58:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-21 16:58:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-11-21 16:58:42,202 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-11-21 16:58:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-21 16:58:42,203 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-21 16:58:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_fix_features [2022-11-21 16:58:42,206 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_fix_features [2022-11-21 16:58:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-11-21 16:58:42,207 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-11-21 16:58:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 16:58:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 16:58:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 16:58:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 16:58:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:58:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:58:42,216 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-11-21 16:58:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-11-21 16:58:42,216 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-21 16:58:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-21 16:58:42,217 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_up [2022-11-21 16:58:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_up [2022-11-21 16:58:42,217 INFO L130 BoogieDeclarations]: Found specification of procedure get_jiffies_64 [2022-11-21 16:58:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure get_jiffies_64 [2022-11-21 16:58:42,217 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-21 16:58:42,217 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-21 16:58:42,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:58:42,218 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 16:58:42,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 16:58:42,218 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_unmap_ring_vfree [2022-11-21 16:58:42,218 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_unmap_ring_vfree [2022-11-21 16:58:42,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:58:42,218 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_change_mtu [2022-11-21 16:58:42,218 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_change_mtu [2022-11-21 16:58:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-21 16:58:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-21 16:58:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read [2022-11-21 16:58:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read [2022-11-21 16:58:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-21 16:58:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-21 16:58:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:58:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 16:58:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 16:58:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 16:58:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 16:58:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 16:58:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 16:58:42,220 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-11-21 16:58:42,220 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-11-21 16:58:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 16:58:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 16:58:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure netback_remove [2022-11-21 16:58:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure netback_remove [2022-11-21 16:58:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 16:58:42,221 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 16:58:42,221 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 16:58:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 16:58:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:58:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:58:42,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:58:42,222 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-11-21 16:58:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-11-21 16:58:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_napi_schedule_or_enable_events [2022-11-21 16:58:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_napi_schedule_or_enable_events [2022-11-21 16:58:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 16:58:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 16:58:42,223 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-21 16:58:42,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-21 16:58:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-21 16:58:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-21 16:58:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-21 16:58:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-21 16:58:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-21 16:58:42,224 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-21 16:58:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-21 16:58:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-21 16:58:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:58:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure xenvif_get_stats [2022-11-21 16:58:42,225 INFO L138 BoogieDeclarations]: Found implementation of procedure xenvif_get_stats [2022-11-21 16:58:43,021 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:58:43,025 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:58:43,413 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:58:52,284 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:58:52,313 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:58:52,313 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-21 16:58:52,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:58:52 BoogieIcfgContainer [2022-11-21 16:58:52,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:58:52,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:58:52,323 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:58:52,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:58:52,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:58:36" (1/3) ... [2022-11-21 16:58:52,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a9c01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:58:52, skipping insertion in model container [2022-11-21 16:58:52,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:58:41" (2/3) ... [2022-11-21 16:58:52,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65a9c01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:58:52, skipping insertion in model container [2022-11-21 16:58:52,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:58:52" (3/3) ... [2022-11-21 16:58:52,333 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-11-21 16:58:52,353 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:58:52,353 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:58:52,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:58:52,498 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@199b4ada, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:58:52,501 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:58:52,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 1303 states, 944 states have (on average 1.3230932203389831) internal successors, (1249), 970 states have internal predecessors, (1249), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) [2022-11-21 16:58:52,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 16:58:52,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:52,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:58:52,560 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:58:52,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:52,566 INFO L85 PathProgramCache]: Analyzing trace with hash -790699243, now seen corresponding path program 1 times [2022-11-21 16:58:52,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:52,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637570480] [2022-11-21 16:58:52,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:52,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:53,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:58:53,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:53,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637570480] [2022-11-21 16:58:53,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637570480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:53,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:53,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:58:53,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493131591] [2022-11-21 16:58:53,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:53,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:58:53,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:53,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:58:53,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:58:53,498 INFO L87 Difference]: Start difference. First operand has 1303 states, 944 states have (on average 1.3230932203389831) internal successors, (1249), 970 states have internal predecessors, (1249), 271 states have call successors, (271), 87 states have call predecessors, (271), 86 states have return successors, (265), 258 states have call predecessors, (265), 265 states have call successors, (265) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:53,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:58:53,963 INFO L93 Difference]: Finished difference Result 3893 states and 5455 transitions. [2022-11-21 16:58:53,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:58:53,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-21 16:58:53,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:58:54,011 INFO L225 Difference]: With dead ends: 3893 [2022-11-21 16:58:54,011 INFO L226 Difference]: Without dead ends: 2545 [2022-11-21 16:58:54,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:58:54,060 INFO L413 NwaCegarLoop]: 2041 mSDtfsCounter, 1758 mSDsluCounter, 1767 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 3808 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:58:54,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 3808 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:58:54,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2022-11-21 16:58:54,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 2542. [2022-11-21 16:58:54,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2542 states, 1845 states have (on average 1.3062330623306233) internal successors, (2410), 1879 states have internal predecessors, (2410), 526 states have call successors, (526), 171 states have call predecessors, (526), 170 states have return successors, (524), 510 states have call predecessors, (524), 524 states have call successors, (524) [2022-11-21 16:58:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2542 states and 3460 transitions. [2022-11-21 16:58:54,391 INFO L78 Accepts]: Start accepts. Automaton has 2542 states and 3460 transitions. Word has length 19 [2022-11-21 16:58:54,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:58:54,391 INFO L495 AbstractCegarLoop]: Abstraction has 2542 states and 3460 transitions. [2022-11-21 16:58:54,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:58:54,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 3460 transitions. [2022-11-21 16:58:54,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-21 16:58:54,410 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:58:54,411 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:58:54,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:58:54,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:58:54,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:58:54,413 INFO L85 PathProgramCache]: Analyzing trace with hash -637924985, now seen corresponding path program 1 times [2022-11-21 16:58:54,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:58:54,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897968974] [2022-11-21 16:58:54,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:58:54,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:58:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:58:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:54,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:54,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:58:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:54,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:58:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:54,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:58:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:55,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:58:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:55,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:58:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:55,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 16:58:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:55,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:58:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:55,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:58:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:55,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 16:58:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:55,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 16:58:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 16:58:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 16:58:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:58:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 16:58:55,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:58:55,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897968974] [2022-11-21 16:58:55,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897968974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:58:55,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:58:55,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:58:55,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522310961] [2022-11-21 16:58:55,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:58:55,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:58:55,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:58:55,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:58:55,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:58:55,236 INFO L87 Difference]: Start difference. First operand 2542 states and 3460 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 16:58:59,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:02,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:12,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:18,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:18,711 INFO L93 Difference]: Finished difference Result 6599 states and 9068 transitions. [2022-11-21 16:59:18,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:59:18,712 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 106 [2022-11-21 16:59:18,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:18,739 INFO L225 Difference]: With dead ends: 6599 [2022-11-21 16:59:18,739 INFO L226 Difference]: Without dead ends: 4060 [2022-11-21 16:59:18,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:59:18,753 INFO L413 NwaCegarLoop]: 1428 mSDtfsCounter, 1352 mSDsluCounter, 4872 mSDsCounter, 0 mSdLazyCounter, 4031 mSolverCounterSat, 500 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1451 SdHoareTripleChecker+Valid, 6300 SdHoareTripleChecker+Invalid, 4533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 500 IncrementalHoareTripleChecker+Valid, 4031 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:18,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1451 Valid, 6300 Invalid, 4533 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [500 Valid, 4031 Invalid, 2 Unknown, 0 Unchecked, 22.6s Time] [2022-11-21 16:59:18,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4060 states. [2022-11-21 16:59:18,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4060 to 3538. [2022-11-21 16:59:18,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3538 states, 2588 states have (on average 1.311823802163833) internal successors, (3395), 2633 states have internal predecessors, (3395), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-21 16:59:19,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3538 states to 3538 states and 4797 transitions. [2022-11-21 16:59:19,024 INFO L78 Accepts]: Start accepts. Automaton has 3538 states and 4797 transitions. Word has length 106 [2022-11-21 16:59:19,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:19,025 INFO L495 AbstractCegarLoop]: Abstraction has 3538 states and 4797 transitions. [2022-11-21 16:59:19,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (16), 7 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 16:59:19,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3538 states and 4797 transitions. [2022-11-21 16:59:19,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-21 16:59:19,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:19,046 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:59:19,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:59:19,049 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:59:19,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:19,050 INFO L85 PathProgramCache]: Analyzing trace with hash 633420909, now seen corresponding path program 1 times [2022-11-21 16:59:19,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:19,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161350002] [2022-11-21 16:59:19,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:19,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:59:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:59:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-21 16:59:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 16:59:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 16:59:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-21 16:59:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 16:59:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-11-21 16:59:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 16:59:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-21 16:59:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:19,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-21 16:59:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:20,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:59:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 16:59:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:20,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-21 16:59:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-21 16:59:20,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:20,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161350002] [2022-11-21 16:59:20,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161350002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:20,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:20,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:59:20,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359046774] [2022-11-21 16:59:20,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:20,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:59:20,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:20,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:59:20,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:59:20,047 INFO L87 Difference]: Start difference. First operand 3538 states and 4797 transitions. Second operand has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 16:59:24,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:25,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:27,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:29,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:31,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:37,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:38,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:59:45,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:59:45,230 INFO L93 Difference]: Finished difference Result 7600 states and 10414 transitions. [2022-11-21 16:59:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:59:45,232 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 185 [2022-11-21 16:59:45,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:59:45,257 INFO L225 Difference]: With dead ends: 7600 [2022-11-21 16:59:45,257 INFO L226 Difference]: Without dead ends: 4059 [2022-11-21 16:59:45,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:59:45,278 INFO L413 NwaCegarLoop]: 1334 mSDtfsCounter, 510 mSDsluCounter, 5885 mSDsCounter, 0 mSdLazyCounter, 4310 mSolverCounterSat, 328 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 7219 SdHoareTripleChecker+Invalid, 4640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 4310 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2022-11-21 16:59:45,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 7219 Invalid, 4640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [328 Valid, 4310 Invalid, 2 Unknown, 0 Unchecked, 24.7s Time] [2022-11-21 16:59:45,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4059 states. [2022-11-21 16:59:45,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4059 to 3541. [2022-11-21 16:59:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3541 states, 2591 states have (on average 1.310690852952528) internal successors, (3396), 2636 states have internal predecessors, (3396), 702 states have call successors, (702), 248 states have call predecessors, (702), 247 states have return successors, (700), 683 states have call predecessors, (700), 700 states have call successors, (700) [2022-11-21 16:59:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 3541 states and 4798 transitions. [2022-11-21 16:59:45,587 INFO L78 Accepts]: Start accepts. Automaton has 3541 states and 4798 transitions. Word has length 185 [2022-11-21 16:59:45,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:59:45,587 INFO L495 AbstractCegarLoop]: Abstraction has 3541 states and 4798 transitions. [2022-11-21 16:59:45,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.222222222222221) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 16:59:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3541 states and 4798 transitions. [2022-11-21 16:59:45,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-21 16:59:45,596 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:59:45,597 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:59:45,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:59:45,598 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:59:45,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:59:45,598 INFO L85 PathProgramCache]: Analyzing trace with hash -401714825, now seen corresponding path program 1 times [2022-11-21 16:59:45,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:59:45,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508615084] [2022-11-21 16:59:45,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:59:45,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:59:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 16:59:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 16:59:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 16:59:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 16:59:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 16:59:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 16:59:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:59:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 16:59:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:59:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 16:59:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:47,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-21 16:59:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:47,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 16:59:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:47,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:59:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:47,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 16:59:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 16:59:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 16:59:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:59:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-21 16:59:47,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:59:47,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508615084] [2022-11-21 16:59:47,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508615084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:59:47,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:59:47,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:59:47,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588017767] [2022-11-21 16:59:47,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:59:47,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:59:47,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:59:47,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:59:47,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:59:47,202 INFO L87 Difference]: Start difference. First operand 3541 states and 4798 transitions. Second operand has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-21 16:59:52,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:03,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:06,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:06,970 INFO L93 Difference]: Finished difference Result 10293 states and 14124 transitions. [2022-11-21 17:00:06,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 17:00:06,971 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 194 [2022-11-21 17:00:06,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:07,013 INFO L225 Difference]: With dead ends: 10293 [2022-11-21 17:00:07,014 INFO L226 Difference]: Without dead ends: 6755 [2022-11-21 17:00:07,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-21 17:00:07,033 INFO L413 NwaCegarLoop]: 1467 mSDtfsCounter, 3261 mSDsluCounter, 3900 mSDsCounter, 0 mSdLazyCounter, 4490 mSolverCounterSat, 1135 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3505 SdHoareTripleChecker+Valid, 5367 SdHoareTripleChecker+Invalid, 5627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1135 IncrementalHoareTripleChecker+Valid, 4490 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:07,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3505 Valid, 5367 Invalid, 5627 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1135 Valid, 4490 Invalid, 2 Unknown, 0 Unchecked, 18.9s Time] [2022-11-21 17:00:07,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6755 states. [2022-11-21 17:00:07,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6755 to 5824. [2022-11-21 17:00:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5824 states, 4252 states have (on average 1.3078551269990593) internal successors, (5561), 4332 states have internal predecessors, (5561), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 413 states have return successors, (1156), 1122 states have call predecessors, (1156), 1156 states have call successors, (1156) [2022-11-21 17:00:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5824 states to 5824 states and 7875 transitions. [2022-11-21 17:00:07,483 INFO L78 Accepts]: Start accepts. Automaton has 5824 states and 7875 transitions. Word has length 194 [2022-11-21 17:00:07,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:07,485 INFO L495 AbstractCegarLoop]: Abstraction has 5824 states and 7875 transitions. [2022-11-21 17:00:07,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.222222222222221) internal successors, (92), 4 states have internal predecessors, (92), 3 states have call successors, (20), 7 states have call predecessors, (20), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-21 17:00:07,486 INFO L276 IsEmpty]: Start isEmpty. Operand 5824 states and 7875 transitions. [2022-11-21 17:00:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-21 17:00:07,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:07,497 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:07,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:00:07,497 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:07,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:07,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1628389033, now seen corresponding path program 1 times [2022-11-21 17:00:07,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:07,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222343492] [2022-11-21 17:00:07,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:07,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 17:00:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 17:00:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 17:00:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:00:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 17:00:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 17:00:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 17:00:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:00:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:00:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:00:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-21 17:00:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 17:00:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-21 17:00:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 17:00:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 17:00:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-21 17:00:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:00:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-21 17:00:10,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:10,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222343492] [2022-11-21 17:00:10,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222343492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:10,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:10,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-21 17:00:10,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979221265] [2022-11-21 17:00:10,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:10,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-21 17:00:10,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:10,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-21 17:00:10,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-11-21 17:00:10,798 INFO L87 Difference]: Start difference. First operand 5824 states and 7875 transitions. Second operand has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 17:00:15,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:24,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:27,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:27,176 INFO L93 Difference]: Finished difference Result 14343 states and 20068 transitions. [2022-11-21 17:00:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 17:00:27,176 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) Word has length 225 [2022-11-21 17:00:27,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:27,220 INFO L225 Difference]: With dead ends: 14343 [2022-11-21 17:00:27,220 INFO L226 Difference]: Without dead ends: 8522 [2022-11-21 17:00:27,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2022-11-21 17:00:27,244 INFO L413 NwaCegarLoop]: 1803 mSDtfsCounter, 2500 mSDsluCounter, 14432 mSDsCounter, 0 mSdLazyCounter, 7181 mSolverCounterSat, 1736 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2644 SdHoareTripleChecker+Valid, 16235 SdHoareTripleChecker+Invalid, 8917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1736 IncrementalHoareTripleChecker+Valid, 7181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:27,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2644 Valid, 16235 Invalid, 8917 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1736 Valid, 7181 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2022-11-21 17:00:27,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8522 states. [2022-11-21 17:00:27,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8522 to 5846. [2022-11-21 17:00:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5846 states, 4268 states have (on average 1.306701030927835) internal successors, (5577), 4348 states have internal predecessors, (5577), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 419 states have return successors, (1180), 1128 states have call predecessors, (1180), 1156 states have call successors, (1180) [2022-11-21 17:00:27,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5846 states to 5846 states and 7915 transitions. [2022-11-21 17:00:27,699 INFO L78 Accepts]: Start accepts. Automaton has 5846 states and 7915 transitions. Word has length 225 [2022-11-21 17:00:27,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:27,699 INFO L495 AbstractCegarLoop]: Abstraction has 5846 states and 7915 transitions. [2022-11-21 17:00:27,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.0) internal successors, (112), 7 states have internal predecessors, (112), 2 states have call successors, (25), 8 states have call predecessors, (25), 4 states have return successors, (22), 5 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 17:00:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 5846 states and 7915 transitions. [2022-11-21 17:00:27,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-21 17:00:27,710 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:27,710 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:27,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 17:00:27,711 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:27,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:27,711 INFO L85 PathProgramCache]: Analyzing trace with hash -341507483, now seen corresponding path program 1 times [2022-11-21 17:00:27,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:27,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068814171] [2022-11-21 17:00:27,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:27,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 17:00:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 17:00:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 17:00:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:00:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 17:00:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 17:00:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 17:00:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:00:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:00:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:00:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:00:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 17:00:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-21 17:00:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:00:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 17:00:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-21 17:00:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:00:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-21 17:00:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:00:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 17:00:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-21 17:00:29,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:29,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068814171] [2022-11-21 17:00:29,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068814171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:29,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:29,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 17:00:29,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649476724] [2022-11-21 17:00:29,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:29,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 17:00:29,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:29,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 17:00:29,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:00:29,808 INFO L87 Difference]: Start difference. First operand 5846 states and 7915 transitions. Second operand has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 17:00:34,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:36,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:44,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:45,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:47,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:47,065 INFO L93 Difference]: Finished difference Result 14365 states and 20106 transitions. [2022-11-21 17:00:47,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 17:00:47,066 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 245 [2022-11-21 17:00:47,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:47,109 INFO L225 Difference]: With dead ends: 14365 [2022-11-21 17:00:47,110 INFO L226 Difference]: Without dead ends: 8522 [2022-11-21 17:00:47,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-21 17:00:47,133 INFO L413 NwaCegarLoop]: 1815 mSDtfsCounter, 1735 mSDsluCounter, 9286 mSDsCounter, 0 mSdLazyCounter, 5002 mSolverCounterSat, 1006 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1882 SdHoareTripleChecker+Valid, 11101 SdHoareTripleChecker+Invalid, 6009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 5002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:47,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1882 Valid, 11101 Invalid, 6009 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1006 Valid, 5002 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2022-11-21 17:00:47,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8522 states. [2022-11-21 17:00:47,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8522 to 5846. [2022-11-21 17:00:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5846 states, 4268 states have (on average 1.306232427366448) internal successors, (5575), 4348 states have internal predecessors, (5575), 1158 states have call successors, (1158), 414 states have call predecessors, (1158), 419 states have return successors, (1180), 1128 states have call predecessors, (1180), 1156 states have call successors, (1180) [2022-11-21 17:00:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5846 states to 5846 states and 7913 transitions. [2022-11-21 17:00:47,697 INFO L78 Accepts]: Start accepts. Automaton has 5846 states and 7913 transitions. Word has length 245 [2022-11-21 17:00:47,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:47,699 INFO L495 AbstractCegarLoop]: Abstraction has 5846 states and 7913 transitions. [2022-11-21 17:00:47,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 17:00:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 5846 states and 7913 transitions. [2022-11-21 17:00:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-21 17:00:47,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:47,712 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:47,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 17:00:47,712 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:47,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:47,713 INFO L85 PathProgramCache]: Analyzing trace with hash 534511523, now seen corresponding path program 1 times [2022-11-21 17:00:47,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:47,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949440600] [2022-11-21 17:00:47,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:47,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 17:00:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 17:00:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 17:00:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:00:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 17:00:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 17:00:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:00:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 17:00:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:00:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:00:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:00:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:00:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:00:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 17:00:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-21 17:00:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-21 17:00:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 17:00:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-21 17:00:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:00:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-21 17:00:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:00:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 17:00:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:00:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-21 17:00:49,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:00:49,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949440600] [2022-11-21 17:00:49,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949440600] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:00:49,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:00:49,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-21 17:00:49,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862035013] [2022-11-21 17:00:49,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:00:49,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 17:00:49,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:00:49,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 17:00:49,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:00:49,421 INFO L87 Difference]: Start difference. First operand 5846 states and 7913 transitions. Second operand has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 17:00:52,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:00:58,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:00:58,849 INFO L93 Difference]: Finished difference Result 12637 states and 17301 transitions. [2022-11-21 17:00:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 17:00:58,850 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 245 [2022-11-21 17:00:58,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:00:58,886 INFO L225 Difference]: With dead ends: 12637 [2022-11-21 17:00:58,886 INFO L226 Difference]: Without dead ends: 6794 [2022-11-21 17:00:58,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2022-11-21 17:00:58,907 INFO L413 NwaCegarLoop]: 1311 mSDtfsCounter, 1052 mSDsluCounter, 6150 mSDsCounter, 0 mSdLazyCounter, 3999 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1112 SdHoareTripleChecker+Valid, 7461 SdHoareTripleChecker+Invalid, 4721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 3999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:00:58,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1112 Valid, 7461 Invalid, 4721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [722 Valid, 3999 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-21 17:00:58,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6794 states. [2022-11-21 17:00:59,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6794 to 5894. [2022-11-21 17:00:59,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5894 states, 4298 states have (on average 1.3054909260120986) internal successors, (5611), 4384 states have internal predecessors, (5611), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1192), 1134 states have call predecessors, (1192), 1162 states have call successors, (1192) [2022-11-21 17:00:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5894 states to 5894 states and 7967 transitions. [2022-11-21 17:00:59,420 INFO L78 Accepts]: Start accepts. Automaton has 5894 states and 7967 transitions. Word has length 245 [2022-11-21 17:00:59,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:00:59,421 INFO L495 AbstractCegarLoop]: Abstraction has 5894 states and 7967 transitions. [2022-11-21 17:00:59,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.727272727272727) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (29), 8 states have call predecessors, (29), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 17:00:59,421 INFO L276 IsEmpty]: Start isEmpty. Operand 5894 states and 7967 transitions. [2022-11-21 17:00:59,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-21 17:00:59,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:00:59,433 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:00:59,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 17:00:59,434 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:00:59,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:00:59,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1868696104, now seen corresponding path program 1 times [2022-11-21 17:00:59,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:00:59,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973927934] [2022-11-21 17:00:59,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:00:59,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:00:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 17:01:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 17:01:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 17:01:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:00,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:01:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 17:01:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 17:01:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 17:01:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-21 17:01:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:01:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:01:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:01:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-21 17:01:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 17:01:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-21 17:01:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-21 17:01:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-21 17:01:01,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 17:01:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-21 17:01:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-21 17:01:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-21 17:01:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:01,213 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-21 17:01:01,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:01,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973927934] [2022-11-21 17:01:01,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973927934] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:01:01,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973661261] [2022-11-21 17:01:01,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:01,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:01:01,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:01:01,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:01:01,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 17:01:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:02,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 3887 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 17:01:02,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:01:02,544 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-11-21 17:01:02,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:01:02,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973661261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:02,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:01:02,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2022-11-21 17:01:02,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804684093] [2022-11-21 17:01:02,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:02,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:01:02,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:02,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:01:02,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-11-21 17:01:02,547 INFO L87 Difference]: Start difference. First operand 5894 states and 7967 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-21 17:01:03,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:03,201 INFO L93 Difference]: Finished difference Result 11816 states and 15971 transitions. [2022-11-21 17:01:03,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 17:01:03,201 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 246 [2022-11-21 17:01:03,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:03,224 INFO L225 Difference]: With dead ends: 11816 [2022-11-21 17:01:03,225 INFO L226 Difference]: Without dead ends: 5910 [2022-11-21 17:01:03,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-11-21 17:01:03,243 INFO L413 NwaCegarLoop]: 1741 mSDtfsCounter, 22 mSDsluCounter, 5210 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6951 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:01:03,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 6951 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:01:03,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5910 states. [2022-11-21 17:01:03,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5910 to 5885. [2022-11-21 17:01:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5885 states, 4289 states have (on average 1.3042667288412217) internal successors, (5594), 4375 states have internal predecessors, (5594), 1164 states have call successors, (1164), 420 states have call predecessors, (1164), 431 states have return successors, (1192), 1134 states have call predecessors, (1192), 1162 states have call successors, (1192) [2022-11-21 17:01:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5885 states to 5885 states and 7950 transitions. [2022-11-21 17:01:03,741 INFO L78 Accepts]: Start accepts. Automaton has 5885 states and 7950 transitions. Word has length 246 [2022-11-21 17:01:03,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:03,741 INFO L495 AbstractCegarLoop]: Abstraction has 5885 states and 7950 transitions. [2022-11-21 17:01:03,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-21 17:01:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 5885 states and 7950 transitions. [2022-11-21 17:01:03,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-21 17:01:03,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:03,754 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:01:03,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 17:01:03,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-21 17:01:03,966 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:01:03,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:03,967 INFO L85 PathProgramCache]: Analyzing trace with hash 419858890, now seen corresponding path program 1 times [2022-11-21 17:01:03,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:03,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321609013] [2022-11-21 17:01:03,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:03,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:01:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 17:01:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 17:01:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 17:01:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 17:01:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 17:01:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:01:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 17:01:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 17:01:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 17:01:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:01:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:01:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:01:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 17:01:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-21 17:01:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-21 17:01:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 17:01:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:01:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-21 17:01:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-21 17:01:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-21 17:01:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-21 17:01:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-11-21 17:01:05,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:05,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321609013] [2022-11-21 17:01:05,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321609013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:01:05,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:01:05,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-21 17:01:05,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763918144] [2022-11-21 17:01:05,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:01:05,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-21 17:01:05,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:05,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-21 17:01:05,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-21 17:01:05,697 INFO L87 Difference]: Start difference. First operand 5885 states and 7950 transitions. Second operand has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-21 17:01:09,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:11,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:12,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:17,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:19,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:21,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:25,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:29,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:01:34,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:34,413 INFO L93 Difference]: Finished difference Result 15264 states and 21218 transitions. [2022-11-21 17:01:34,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-21 17:01:34,414 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 266 [2022-11-21 17:01:34,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:34,448 INFO L225 Difference]: With dead ends: 15264 [2022-11-21 17:01:34,448 INFO L226 Difference]: Without dead ends: 9382 [2022-11-21 17:01:34,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2022-11-21 17:01:34,467 INFO L413 NwaCegarLoop]: 1939 mSDtfsCounter, 1979 mSDsluCounter, 13537 mSDsCounter, 0 mSdLazyCounter, 8003 mSolverCounterSat, 615 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 15476 SdHoareTripleChecker+Invalid, 8619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 615 IncrementalHoareTripleChecker+Valid, 8003 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:01:34,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 15476 Invalid, 8619 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [615 Valid, 8003 Invalid, 1 Unknown, 0 Unchecked, 27.5s Time] [2022-11-21 17:01:34,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9382 states. [2022-11-21 17:01:35,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9382 to 6530. [2022-11-21 17:01:35,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6530 states, 4762 states have (on average 1.3000839983200336) internal successors, (6191), 4853 states have internal predecessors, (6191), 1265 states have call successors, (1265), 484 states have call predecessors, (1265), 502 states have return successors, (1300), 1241 states have call predecessors, (1300), 1263 states have call successors, (1300) [2022-11-21 17:01:35,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6530 states to 6530 states and 8756 transitions. [2022-11-21 17:01:35,070 INFO L78 Accepts]: Start accepts. Automaton has 6530 states and 8756 transitions. Word has length 266 [2022-11-21 17:01:35,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:35,071 INFO L495 AbstractCegarLoop]: Abstraction has 6530 states and 8756 transitions. [2022-11-21 17:01:35,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.428571428571429) internal successors, (132), 7 states have internal predecessors, (132), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-21 17:01:35,071 INFO L276 IsEmpty]: Start isEmpty. Operand 6530 states and 8756 transitions. [2022-11-21 17:01:35,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-21 17:01:35,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:35,088 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:01:35,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 17:01:35,089 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:01:35,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:35,089 INFO L85 PathProgramCache]: Analyzing trace with hash -804545117, now seen corresponding path program 1 times [2022-11-21 17:01:35,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:35,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659789308] [2022-11-21 17:01:35,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:35,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:01:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 17:01:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-21 17:01:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 17:01:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 17:01:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:01:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 17:01:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-21 17:01:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 17:01:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 17:01:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:01:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:01:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:01:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:01:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-21 17:01:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:01:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-21 17:01:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:01:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-11-21 17:01:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-21 17:01:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 17:01:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-21 17:01:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-21 17:01:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:36,905 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-21 17:01:36,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:36,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659789308] [2022-11-21 17:01:36,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659789308] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:01:36,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145094279] [2022-11-21 17:01:36,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:36,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:01:36,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:01:36,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:01:36,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 17:01:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:38,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 4010 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 17:01:38,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:01:39,049 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 52 proven. 1 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-11-21 17:01:39,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:01:39,477 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-21 17:01:39,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145094279] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:01:39,477 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:01:39,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 19 [2022-11-21 17:01:39,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26593032] [2022-11-21 17:01:39,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:01:39,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-21 17:01:39,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:01:39,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-21 17:01:39,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-11-21 17:01:39,480 INFO L87 Difference]: Start difference. First operand 6530 states and 8756 transitions. Second operand has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-21 17:01:52,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:01:52,533 INFO L93 Difference]: Finished difference Result 14088 states and 19109 transitions. [2022-11-21 17:01:52,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-21 17:01:52,533 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 272 [2022-11-21 17:01:52,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:01:52,563 INFO L225 Difference]: With dead ends: 14088 [2022-11-21 17:01:52,563 INFO L226 Difference]: Without dead ends: 7470 [2022-11-21 17:01:52,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 609 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=183, Invalid=747, Unknown=0, NotChecked=0, Total=930 [2022-11-21 17:01:52,583 INFO L413 NwaCegarLoop]: 1301 mSDtfsCounter, 1817 mSDsluCounter, 11761 mSDsCounter, 0 mSdLazyCounter, 7289 mSolverCounterSat, 1413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1876 SdHoareTripleChecker+Valid, 13062 SdHoareTripleChecker+Invalid, 8702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1413 IncrementalHoareTripleChecker+Valid, 7289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-21 17:01:52,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1876 Valid, 13062 Invalid, 8702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1413 Valid, 7289 Invalid, 0 Unknown, 0 Unchecked, 11.8s Time] [2022-11-21 17:01:52,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7470 states. [2022-11-21 17:01:53,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7470 to 6523. [2022-11-21 17:01:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6523 states, 4762 states have (on average 1.2986140277194456) internal successors, (6184), 4846 states have internal predecessors, (6184), 1265 states have call successors, (1265), 484 states have call predecessors, (1265), 495 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2022-11-21 17:01:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6523 states to 6523 states and 8742 transitions. [2022-11-21 17:01:53,234 INFO L78 Accepts]: Start accepts. Automaton has 6523 states and 8742 transitions. Word has length 272 [2022-11-21 17:01:53,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:01:53,235 INFO L495 AbstractCegarLoop]: Abstraction has 6523 states and 8742 transitions. [2022-11-21 17:01:53,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 11.647058823529411) internal successors, (198), 13 states have internal predecessors, (198), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-21 17:01:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 6523 states and 8742 transitions. [2022-11-21 17:01:53,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-21 17:01:53,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:01:53,249 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:01:53,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:01:53,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:01:53,464 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:01:53,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:01:53,464 INFO L85 PathProgramCache]: Analyzing trace with hash -429778984, now seen corresponding path program 2 times [2022-11-21 17:01:53,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:01:53,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032620575] [2022-11-21 17:01:53,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:01:53,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:01:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:01:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 17:01:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-21 17:01:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 17:01:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 17:01:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:01:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 17:01:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-21 17:01:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 17:01:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:01:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:54,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 17:01:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 17:01:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:01:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:01:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:01:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:01:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-21 17:01:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-21 17:01:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-21 17:01:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-21 17:01:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-21 17:01:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-21 17:01:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-21 17:01:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 17:01:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-21 17:01:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:01:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-21 17:01:55,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:01:55,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032620575] [2022-11-21 17:01:55,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032620575] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:01:55,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927502786] [2022-11-21 17:01:55,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:01:55,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:01:55,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:01:55,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:01:55,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 17:01:59,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 17:01:59,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:01:59,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 4025 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 17:01:59,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:02:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-11-21 17:02:00,105 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:02:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-21 17:02:00,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927502786] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:02:00,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:02:00,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 22 [2022-11-21 17:02:00,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467925500] [2022-11-21 17:02:00,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:02:00,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-21 17:02:00,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:02:00,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-21 17:02:00,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2022-11-21 17:02:00,623 INFO L87 Difference]: Start difference. First operand 6523 states and 8742 transitions. Second operand has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-21 17:02:06,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:02:07,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:02:17,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:02:17,651 INFO L93 Difference]: Finished difference Result 14067 states and 19055 transitions. [2022-11-21 17:02:17,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-21 17:02:17,652 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 273 [2022-11-21 17:02:17,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:02:17,682 INFO L225 Difference]: With dead ends: 14067 [2022-11-21 17:02:17,682 INFO L226 Difference]: Without dead ends: 7491 [2022-11-21 17:02:17,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 609 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=224, Invalid=1182, Unknown=0, NotChecked=0, Total=1406 [2022-11-21 17:02:17,703 INFO L413 NwaCegarLoop]: 1302 mSDtfsCounter, 989 mSDsluCounter, 12468 mSDsCounter, 0 mSdLazyCounter, 7850 mSolverCounterSat, 707 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 13770 SdHoareTripleChecker+Invalid, 8558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 707 IncrementalHoareTripleChecker+Valid, 7850 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:02:17,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 13770 Invalid, 8558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [707 Valid, 7850 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2022-11-21 17:02:17,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7491 states. [2022-11-21 17:02:18,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7491 to 6544. [2022-11-21 17:02:18,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6544 states, 4781 states have (on average 1.2978456389876596) internal successors, (6205), 4865 states have internal predecessors, (6205), 1265 states have call successors, (1265), 486 states have call predecessors, (1265), 497 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2022-11-21 17:02:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6544 states to 6544 states and 8763 transitions. [2022-11-21 17:02:18,317 INFO L78 Accepts]: Start accepts. Automaton has 6544 states and 8763 transitions. Word has length 273 [2022-11-21 17:02:18,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:02:18,317 INFO L495 AbstractCegarLoop]: Abstraction has 6544 states and 8763 transitions. [2022-11-21 17:02:18,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 10.05) internal successors, (201), 16 states have internal predecessors, (201), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-21 17:02:18,318 INFO L276 IsEmpty]: Start isEmpty. Operand 6544 states and 8763 transitions. [2022-11-21 17:02:18,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-21 17:02:18,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:02:18,332 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:02:18,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:02:18,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:02:18,547 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:02:18,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:02:18,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1696930749, now seen corresponding path program 3 times [2022-11-21 17:02:18,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:02:18,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098772885] [2022-11-21 17:02:18,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:02:18,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:02:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 17:02:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 17:02:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-21 17:02:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 17:02:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 17:02:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 17:02:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 17:02:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-21 17:02:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 17:02:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:02:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:19,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-21 17:02:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:02:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:02:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 17:02:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:02:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 17:02:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-21 17:02:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-21 17:02:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-21 17:02:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-21 17:02:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-21 17:02:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-21 17:02:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-21 17:02:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-21 17:02:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 17:02:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:02:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-21 17:02:20,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:02:20,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098772885] [2022-11-21 17:02:20,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098772885] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:02:20,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34826140] [2022-11-21 17:02:20,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-21 17:02:20,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:02:20,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:02:20,531 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:02:20,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 17:02:35,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-21 17:02:35,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:02:35,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 4040 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-21 17:02:35,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:02:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 52 proven. 6 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2022-11-21 17:02:36,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:02:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-21 17:02:37,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34826140] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:02:37,111 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:02:37,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 9] total 25 [2022-11-21 17:02:37,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46190724] [2022-11-21 17:02:37,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:02:37,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-21 17:02:37,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:02:37,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-21 17:02:37,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2022-11-21 17:02:37,117 INFO L87 Difference]: Start difference. First operand 6544 states and 8763 transitions. Second operand has 25 states, 23 states have (on average 8.869565217391305) internal successors, (204), 19 states have internal predecessors, (204), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-21 17:02:44,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:02:59,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:02:59,298 INFO L93 Difference]: Finished difference Result 14101 states and 19087 transitions. [2022-11-21 17:02:59,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-21 17:02:59,299 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 8.869565217391305) internal successors, (204), 19 states have internal predecessors, (204), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 274 [2022-11-21 17:02:59,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:02:59,325 INFO L225 Difference]: With dead ends: 14101 [2022-11-21 17:02:59,325 INFO L226 Difference]: Without dead ends: 7500 [2022-11-21 17:02:59,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 608 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=193, Invalid=1213, Unknown=0, NotChecked=0, Total=1406 [2022-11-21 17:02:59,344 INFO L413 NwaCegarLoop]: 1298 mSDtfsCounter, 1389 mSDsluCounter, 18068 mSDsCounter, 0 mSdLazyCounter, 11017 mSolverCounterSat, 1051 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 19366 SdHoareTripleChecker+Invalid, 12069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1051 IncrementalHoareTripleChecker+Valid, 11017 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:02:59,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 19366 Invalid, 12069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1051 Valid, 11017 Invalid, 1 Unknown, 0 Unchecked, 20.7s Time] [2022-11-21 17:02:59,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7500 states. [2022-11-21 17:02:59,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7500 to 6553. [2022-11-21 17:02:59,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6553 states, 4790 states have (on average 1.297286012526096) internal successors, (6214), 4874 states have internal predecessors, (6214), 1265 states have call successors, (1265), 486 states have call predecessors, (1265), 497 states have return successors, (1293), 1241 states have call predecessors, (1293), 1263 states have call successors, (1293) [2022-11-21 17:02:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6553 states to 6553 states and 8772 transitions. [2022-11-21 17:02:59,821 INFO L78 Accepts]: Start accepts. Automaton has 6553 states and 8772 transitions. Word has length 274 [2022-11-21 17:02:59,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:02:59,822 INFO L495 AbstractCegarLoop]: Abstraction has 6553 states and 8772 transitions. [2022-11-21 17:02:59,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 8.869565217391305) internal successors, (204), 19 states have internal predecessors, (204), 4 states have call successors, (68), 8 states have call predecessors, (68), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2022-11-21 17:02:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 6553 states and 8772 transitions. [2022-11-21 17:02:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-11-21 17:02:59,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:02:59,836 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:02:59,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 17:03:00,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-21 17:03:00,052 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:00,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:00,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1971037496, now seen corresponding path program 4 times [2022-11-21 17:03:00,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:00,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319798385] [2022-11-21 17:03:00,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:00,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:03:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:03:06,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:03:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:03:09,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:03:09,578 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:03:09,578 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 17:03:09,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 17:03:09,584 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:03:09,588 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:03:09,642 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:03:09,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:03:09 BoogieIcfgContainer [2022-11-21 17:03:09,842 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:03:09,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:03:09,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:03:09,843 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:03:09,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:58:52" (3/4) ... [2022-11-21 17:03:09,846 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:03:09,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:03:09,847 INFO L158 Benchmark]: Toolchain (without parser) took 273286.15ms. Allocated memory was 180.4MB in the beginning and 1.2GB in the end (delta: 994.1MB). Free memory was 131.7MB in the beginning and 388.9MB in the end (delta: -257.3MB). Peak memory consumption was 737.8MB. Max. memory is 16.1GB. [2022-11-21 17:03:09,848 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:03:09,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4918.95ms. Allocated memory was 180.4MB in the beginning and 272.6MB in the end (delta: 92.3MB). Free memory was 130.8MB in the beginning and 109.7MB in the end (delta: 21.0MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB. [2022-11-21 17:03:09,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 347.00ms. Allocated memory is still 272.6MB. Free memory was 109.7MB in the beginning and 165.4MB in the end (delta: -55.7MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-11-21 17:03:09,849 INFO L158 Benchmark]: Boogie Preprocessor took 265.32ms. Allocated memory is still 272.6MB. Free memory was 165.4MB in the beginning and 138.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-21 17:03:09,849 INFO L158 Benchmark]: RCFGBuilder took 10219.80ms. Allocated memory was 272.6MB in the beginning and 524.3MB in the end (delta: 251.7MB). Free memory was 138.2MB in the beginning and 129.7MB in the end (delta: 8.5MB). Peak memory consumption was 266.8MB. Max. memory is 16.1GB. [2022-11-21 17:03:09,849 INFO L158 Benchmark]: TraceAbstraction took 257519.77ms. Allocated memory was 524.3MB in the beginning and 1.2GB in the end (delta: 650.1MB). Free memory was 128.6MB in the beginning and 389.8MB in the end (delta: -261.1MB). Peak memory consumption was 449.6MB. Max. memory is 16.1GB. [2022-11-21 17:03:09,850 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 1.2GB. Free memory was 389.8MB in the beginning and 388.9MB in the end (delta: 838.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:03:09,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4918.95ms. Allocated memory was 180.4MB in the beginning and 272.6MB in the end (delta: 92.3MB). Free memory was 130.8MB in the beginning and 109.7MB in the end (delta: 21.0MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 347.00ms. Allocated memory is still 272.6MB. Free memory was 109.7MB in the beginning and 165.4MB in the end (delta: -55.7MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 265.32ms. Allocated memory is still 272.6MB. Free memory was 165.4MB in the beginning and 138.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 10219.80ms. Allocated memory was 272.6MB in the beginning and 524.3MB in the end (delta: 251.7MB). Free memory was 138.2MB in the beginning and 129.7MB in the end (delta: 8.5MB). Peak memory consumption was 266.8MB. Max. memory is 16.1GB. * TraceAbstraction took 257519.77ms. Allocated memory was 524.3MB in the beginning and 1.2GB in the end (delta: 650.1MB). Free memory was 128.6MB in the beginning and 389.8MB in the end (delta: -261.1MB). Peak memory consumption was 449.6MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 1.2GB. Free memory was 389.8MB in the beginning and 388.9MB in the end (delta: 838.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13209]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10779, overapproximation of bitwiseOr at line 10305, overapproximation of bitwiseAnd at line 10785. Possible FailurePath: [L6776] int LDV_IN_INTERRUPT = 1; [L6777] struct file *xenvif_dbg_io_ring_ops_fops_group2 ; [L6778] struct net_device *xenvif_netdev_ops_group1 ; [L6779] struct inode *xenvif_dbg_io_ring_ops_fops_group1 ; [L6780] struct xenbus_device *netback_driver_group0 ; [L6781] int ldv_state_variable_0 ; [L6782] int ldv_state_variable_5 ; [L6783] int ldv_state_variable_3 ; [L6784] struct net_device *xenvif_ethtool_ops_group0 ; [L6785] int ldv_timer_state_1 = 0; [L6786] int ldv_state_variable_2 ; [L6787] int ref_cnt ; [L6788] int ldv_state_variable_1 ; [L6789] struct timer_list *ldv_timer_list_1 ; [L6790] int ldv_state_variable_4 ; [L7425] unsigned int xenvif_max_queues ; [L7497] bool separate_tx_rx_irq = 1; [L7498] unsigned int rx_drain_timeout_msecs = 10000U; [L7499] unsigned int rx_stall_timeout_msecs = 60000U; [L7500] static unsigned int fatal_skb_slots = 20U; [L10142] int ldv_retval_1 ; [L10411] struct dentry *xen_netback_dbg_root = (struct dentry *)0; [L10523-L10526] static struct file_operations const xenvif_dbg_io_ring_ops_fops = {& __this_module, & seq_lseek, & seq_read, & xenvif_write_io_ring, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_dump_open, 0, & single_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L11582-L11583] static struct xenbus_device_id const netback_ids[2U] = { {{'v', 'i', 'f', '\000'}}, {{'\000'}}}; [L11584-L11587] static struct xenbus_driver netback_driver = {0, (struct xenbus_device_id const *)(& netback_ids), & netback_probe, & frontend_changed, & netback_remove, 0, 0, & netback_uevent, {0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0}; [L11602] int ldv_retval_0 ; [L11603] int ldv_retval_4 ; [L12362-L12371] static struct xenvif_stat const xenvif_stats[5U] = { {{'r', 'x', '_', 'g', 's', 'o', '_', 'c', 'h', 'e', 'c', 'k', 's', 'u', 'm', '_', 'f', 'i', 'x', 'u', 'p', '\000'}, 16U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'e', 'n', 't', '\000'}, 24U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 's', 'u', 'c', 'c', 'e', 's', 's', '\000'}, 32U}, {{'t', 'x', '_', 'z', 'e', 'r', 'o', 'c', 'o', 'p', 'y', '_', 'f', 'a', 'i', 'l', '\000'}, 40U}, {{'t', 'x', '_', 'f', 'r', 'a', 'g', '_', 'o', 'v', 'e', 'r', 'f', 'l', 'o', 'w', '\000'}, 48U}}; [L12445-L12448] static struct ethtool_ops const xenvif_ethtool_ops = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & ethtool_op_get_link, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_get_strings, 0, & xenvif_get_ethtool_stats, 0, 0, 0, 0, & xenvif_get_sset_count, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12449-L12454] static struct net_device_ops const xenvif_netdev_ops = {0, 0, & xenvif_open, & xenvif_close, (netdev_tx_t (*)(struct sk_buff * , struct net_device * ))(& xenvif_start_xmit), 0, 0, 0, & eth_mac_addr, & eth_validate_addr, 0, 0, & xenvif_change_mtu, 0, 0, 0, & xenvif_get_stats, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, & xenvif_fix_features, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12856] int ldv_retval_3 ; [L12857] int ldv_retval_2 ; [L13248] int ldv_module_refcounter = 1; VAL [__this_module={249:-248}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10151] int tmp ; [L10152] int tmp___0 ; [L10154] FCALL ldv_initialize() [L10155] ldv_state_variable_4 = 0 [L10156] ldv_state_variable_1 = 1 [L10157] ref_cnt = 0 [L10158] ldv_state_variable_0 = 1 [L10159] ldv_state_variable_3 = 0 [L10160] ldv_state_variable_2 = 0 [L10161] ldv_state_variable_5 = 0 VAL [__this_module={249:-248}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: [L10171] case 1: [L10173] case 2: VAL [__this_module={249:-248}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10174] COND TRUE ldv_state_variable_0 != 0 [L10175] tmp___0 = __VERIFIER_nondet_int() [L10177] case 0: [L10185] case 1: VAL [__this_module={249:-248}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10186] COND TRUE ldv_state_variable_0 == 1 [L10187] CALL, EXPR netback_init() [L10090] int rc ; [L10091] long tmp ; [L10092] bool tmp___0 ; [L10094] rc = 0 VAL [__this_module={249:-248}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10095] COND FALSE !((unsigned int )xen_domain_type == 0U) [L10099] CALL, EXPR cpumask_weight(cpu_online_mask) [L6561] int tmp ; [L6563] CALL, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6551] int tmp___0 ; [L6553] CALL, EXPR __bitmap_weight(src, nbits) [L13332] return __VERIFIER_nondet_int(); [L6553] RET, EXPR __bitmap_weight(src, nbits) [L6553] tmp___0 = __bitmap_weight(src, nbits) [L6554] return (tmp___0); VAL [\old(nbits)=15, \result=238, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, nbits=15, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, src={36893488147419103250:36893488147419103256}, src={36893488147419103250:36893488147419103256}, tmp___0=238, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6563] RET, EXPR bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6563] tmp = bitmap_weight((unsigned long const *)(& srcp->bits), (unsigned int )nr_cpu_ids) [L6564] return ((unsigned int )tmp); VAL [\result=238, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, srcp={36893488147419103250:36893488147419103256}, srcp={36893488147419103250:36893488147419103256}, tmp=238, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=0, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10099] RET, EXPR cpumask_weight(cpu_online_mask) [L10099] xenvif_max_queues = cpumask_weight(cpu_online_mask) [L10100] COND FALSE !(fatal_skb_slots <= 17U) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10106] CALL, EXPR xenvif_xenbus_init() [L11590] int tmp ; [L11592] CALL, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L13376] return __VERIFIER_nondet_int(); [L11592] RET, EXPR __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11592] tmp = __xenbus_register_backend(& netback_driver, & __this_module, "xen_netback") [L11593] return (tmp); VAL [\result=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10106] RET, EXPR xenvif_xenbus_init() [L10106] rc = xenvif_xenbus_init() [L10107] COND FALSE !(rc != 0) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10111] CALL, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={249:-248}, arg0={69:0}, arg1={0:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13419] CALL, EXPR ldv_malloc(sizeof(struct dentry)) VAL [\old(size)=300, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND TRUE tmp___0 != 0 [L6700] return ((void *)0); VAL [\old(size)=300, \result={0:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=300, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13419] RET, EXPR ldv_malloc(sizeof(struct dentry)) VAL [__this_module={249:-248}, arg0={69:0}, arg0={69:0}, arg1={0:0}, arg1={0:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct dentry))={0:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13419] return ldv_malloc(sizeof(struct dentry)); [L10111] RET, EXPR debugfs_create_dir("xen-netback", (struct dentry *)0) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, debugfs_create_dir("xen-netback", (struct dentry *)0)={0:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10111] xen_netback_dbg_root = debugfs_create_dir("xen-netback", (struct dentry *)0) [L10112] CALL, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10251] bool tmp ; [L10253] CALL, EXPR ldv_is_err_or_null(ptr) [L13232] bool tmp ; [L13233] int tmp___0 ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13235] COND TRUE (unsigned long )ptr == (unsigned long )((void const *)0) [L13236] tmp___0 = 1 VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13245] return ((bool )tmp___0); VAL [\result=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10253] RET, EXPR ldv_is_err_or_null(ptr) [L10253] tmp = ldv_is_err_or_null(ptr) [L10254] return (tmp); VAL [\result=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10112] RET, EXPR IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, IS_ERR_OR_NULL((void const *)xen_netback_dbg_root)=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10112] tmp___0 = IS_ERR_OR_NULL((void const *)xen_netback_dbg_root) [L10113] COND TRUE (int )tmp___0 VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10114] CALL, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10243] long tmp ; [L10245] CALL, EXPR ldv_ptr_err(ptr) [L13227] return ((long )(2012UL - (unsigned long )ptr)); VAL [\result=2012, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10245] RET, EXPR ldv_ptr_err(ptr) [L10245] tmp = ldv_ptr_err(ptr) [L10246] return (tmp); VAL [\result=2012, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={0:0}, ptr={0:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10114] RET, EXPR PTR_ERR((void const *)xen_netback_dbg_root) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, PTR_ERR((void const *)xen_netback_dbg_root)=2012, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10114] tmp = PTR_ERR((void const *)xen_netback_dbg_root) [L10118] return (0); VAL [\result=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, rc=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2012, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10187] RET, EXPR netback_init() [L10187] ldv_retval_1 = netback_init() [L10188] COND TRUE ldv_retval_1 == 0 [L10189] ldv_state_variable_0 = 3 [L10190] ldv_state_variable_5 = 1 [L10191] CALL ldv_file_operations_5() [L11615] void *tmp ; [L11616] void *tmp___0 ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11618] CALL, EXPR ldv_init_zalloc(1000UL) VAL [\old(size)=1000, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1000, __this_module={249:-248}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1000, __this_module={249:-248}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1000, __this_module={249:-248}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=1000, \result={18446744073709551617:0}, __this_module={249:-248}, calloc(1UL, size)={18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1000, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11618] RET, EXPR ldv_init_zalloc(1000UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1000UL)={18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={0:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11618] tmp = ldv_init_zalloc(1000UL) [L11619] xenvif_dbg_io_ring_ops_fops_group1 = (struct inode *)tmp VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11620] CALL, EXPR ldv_init_zalloc(504UL) VAL [\old(size)=504, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=504, __this_module={249:-248}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=504, __this_module={249:-248}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=504, __this_module={249:-248}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=504, \result={-18446744073709551617:0}, __this_module={249:-248}, calloc(1UL, size)={-18446744073709551617:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709551617:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=504, tmp={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11620] RET, EXPR ldv_init_zalloc(504UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(504UL)={-18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={0:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11620] tmp___0 = ldv_init_zalloc(504UL) [L11621] xenvif_dbg_io_ring_ops_fops_group2 = (struct file *)tmp___0 VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={18446744073709551617:0}, tmp___0={-18446744073709551617:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10191] RET ldv_file_operations_5() [L10192] ldv_state_variable_3 = 1 [L10193] CALL ldv_initialize_ethtool_ops_3() [L12896] void *tmp ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12898] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={249:-248}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=3008, __this_module={249:-248}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={249:-248}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=3008, \result={-36893488147419103233:0}, __this_module={249:-248}, calloc(1UL, size)={-36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=3008, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12898] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={-36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={0:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12898] tmp = ldv_init_zalloc(3008UL) [L12899] xenvif_ethtool_ops_group0 = (struct net_device *)tmp VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=0, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10193] RET ldv_initialize_ethtool_ops_3() [L10194] ldv_state_variable_4 = 1 [L10195] CALL ldv_initialize_xenbus_driver_4() [L11606] void *tmp ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11608] CALL, EXPR ldv_init_zalloc(1664UL) VAL [\old(size)=1664, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1664, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=1664, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206463:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1664, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206463:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=1664, \result={-73786976294838206463:0}, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206463:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206463:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=1664, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11608] RET, EXPR ldv_init_zalloc(1664UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1664UL)={-73786976294838206463:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={0:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11608] tmp = ldv_init_zalloc(1664UL) [L11609] netback_driver_group0 = (struct xenbus_device *)tmp VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206463:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10195] RET ldv_initialize_xenbus_driver_4() [L10198] COND FALSE !(ldv_retval_1 != 0) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=2, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10163] tmp = __VERIFIER_nondet_int() [L10165] case 0: VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, tmp___0=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10166] COND TRUE ldv_state_variable_4 != 0 [L10167] CALL ldv_main_exported_4() [L11627] struct xenbus_device_id *ldvarg2 ; [L11628] void *tmp ; [L11629] enum xenbus_state ldvarg0 ; [L11630] struct kobj_uevent_env *ldvarg1 ; [L11631] void *tmp___0 ; [L11632] int tmp___1 ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11634] CALL, EXPR ldv_init_zalloc(32UL) VAL [\old(size)=32, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=32, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=32, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=32, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=32, \result={-73786976294838206465:0}, __this_module={249:-248}, calloc(1UL, size)={-73786976294838206465:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-73786976294838206465:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=32, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11634] RET, EXPR ldv_init_zalloc(32UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(32UL)={-73786976294838206465:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11634] tmp = ldv_init_zalloc(32UL) [L11635] ldvarg2 = (struct xenbus_device_id *)tmp VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg2={-73786976294838206465:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11636] CALL, EXPR ldv_init_zalloc(2336UL) VAL [\old(size)=2336, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6730] void *p ; [L6731] void *tmp ; [L6733] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2336, __this_module={249:-248}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6733] tmp = calloc(1UL, size) [L6734] p = tmp VAL [\old(size)=2336, __this_module={249:-248}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6735] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2336, __this_module={249:-248}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6736] return (p); VAL [\old(size)=2336, \result={36893488147419103233:0}, __this_module={249:-248}, calloc(1UL, size)={36893488147419103233:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={36893488147419103233:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=2336, tmp={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11636] RET, EXPR ldv_init_zalloc(2336UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2336UL)={36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg2={-73786976294838206465:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11636] tmp___0 = ldv_init_zalloc(2336UL) [L11637] ldvarg1 = (struct kobj_uevent_env *)tmp___0 VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg1={36893488147419103233:0}, ldvarg2={-73786976294838206465:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, tmp___0={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11638] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [\old(c)=0, \old(n)=4, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6741] void *tmp ; VAL [\old(c)=0, \old(n)=4, __this_module={249:-248}, c=0, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6743] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, __this_module={249:-248}, c=0, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, memset(s, c, n)={36893488147419103236:0}, n=4, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6743] tmp = memset(s, c, n) [L6744] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={36893488147419103236:0}, __this_module={249:-248}, c=0, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, n=4, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, s={36893488147419103236:0}, s={36893488147419103236:0}, separate_tx_rx_irq=1, tmp={36893488147419103236:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11638] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={36893488147419103236:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg1={36893488147419103233:0}, ldvarg2={-73786976294838206465:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, tmp___0={36893488147419103233:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11639] tmp___1 = __VERIFIER_nondet_int() [L11641] case 0: VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={36893488147419103236:0}, ldvarg1={36893488147419103233:0}, ldvarg2={-73786976294838206465:0}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-73786976294838206465:0}, tmp___0={36893488147419103233:0}, tmp___1=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11642] COND TRUE ldv_state_variable_4 == 1 [L11643] CALL netback_probe(netback_driver_group0, (struct xenbus_device_id const *)ldvarg2) [L10632] char const *message ; [L10633] struct xenbus_transaction xbt ; [L10634] int err ; [L10635] int sg ; [L10636] char const *script ; [L10637] struct backend_info *be ; [L10638] void *tmp ; [L10639] struct xenbus_transaction __constr_expr_0 ; [L10640] struct _ddebug descriptor ; [L10641] long tmp___0 ; [L10642] struct xenbus_transaction __constr_expr_1 ; [L10643] struct _ddebug descriptor___0 ; [L10644] long tmp___1 ; [L10645] struct xenbus_transaction __constr_expr_2 ; [L10646] void *tmp___2 ; [L10647] long tmp___3 ; [L10648] bool tmp___4 ; [L10649] struct _ddebug descriptor___1 ; [L10650] long tmp___5 ; VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10652] CALL, EXPR kzalloc(72UL, 208U) VAL [\old(flags)=208, \old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10303] void *tmp ; VAL [\old(flags)=208, \old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10305] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=32768, \old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10294] void *tmp___2 ; [L10296] CALL, EXPR __kmalloc(size, flags) [L10289] CALL, EXPR ldv_malloc(size) VAL [\old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6694] void *p ; [L6695] void *tmp ; [L6696] int tmp___0 ; [L6698] tmp___0 = __VERIFIER_nondet_int() [L6699] COND FALSE !(tmp___0 != 0) [L6702] tmp = malloc(size) [L6703] p = tmp VAL [\old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6704] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6704] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6705] CALL, EXPR IS_ERR(p) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11777] bool tmp ; VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11779] CALL, EXPR ldv_is_err(ptr) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13215] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11779] RET, EXPR ldv_is_err(ptr) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11779] tmp = ldv_is_err(ptr) [L11780] return (tmp); VAL [\result=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ptr={-18446744073709549604:0}, ptr={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6705] RET, EXPR IS_ERR(p) VAL [\old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6705] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6688] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={249:-248}, cond=1, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6705] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, IS_ERR(p)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6706] return (p); VAL [\old(size)=72, \result={-18446744073709549604:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, p={-18446744073709549604:0}, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, tmp___0=0, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10289] RET, EXPR ldv_malloc(size) VAL [\old(size)=72, \old(t)=32768, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-18446744073709549604:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, t=32768, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10289] return ldv_malloc(size); [L10296] RET, EXPR __kmalloc(size, flags) [L10296] tmp___2 = __kmalloc(size, flags) [L10297] return (tmp___2); VAL [\old(flags)=32768, \old(size)=72, \result={-18446744073709549604:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, flags=32768, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp___2={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10305] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(size)=72, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, flags=208, kmalloc(size, flags | 32768U)={-18446744073709549604:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10305] tmp = kmalloc(size, flags | 32768U) [L10306] return (tmp); VAL [\old(flags)=208, \old(size)=72, \result={-18446744073709549604:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, size=72, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10652] RET, EXPR kzalloc(72UL, 208U) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, kzalloc(72UL, 208U)={-18446744073709549604:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10652] tmp = kzalloc(72UL, 208U) [L10653] be = (struct backend_info *)tmp VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10654] COND FALSE !((unsigned long )be == (unsigned long )((struct backend_info *)0)) [L10659] be->dev = dev VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10660] CALL dev_set_drvdata(& dev->dev, (void *)be) VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, data={-18446744073709549604:0}, dev={-73786976294838206463:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10323] dev->driver_data = data VAL [__this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, data={-18446744073709549604:0}, data={-18446744073709549604:0}, dev={-73786976294838206463:60}, dev={-73786976294838206463:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10660] RET dev_set_drvdata(& dev->dev, (void *)be) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10661] sg = 1 VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10663] CALL, EXPR xenbus_transaction_start(& xbt) [L13713] return __VERIFIER_nondet_int(); [L10663] RET, EXPR xenbus_transaction_start(& xbt) [L10663] err = xenbus_transaction_start(& xbt) [L10664] COND TRUE err != 0 VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10779] descriptor___1.modname = "xen_netback" [L10780] descriptor___1.function = "netback_probe" [L10781] descriptor___1.filename = "/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/10967/dscv_tempdir/dscv/ri/08_1a/drivers/net/xen-netback/xenbus.c" [L10782] descriptor___1.format = "failed\n" [L10783] descriptor___1.lineno = 380U [L10784] descriptor___1.flags = 0U [L10785] EXPR descriptor___1.flags VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, descriptor___1.flags=0, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10785] CALL, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L6773] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __this_module={249:-248}, c=0, cpu_online_mask={36893488147419103250:36893488147419103256}, exp=0, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10785] RET, EXPR ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, descriptor___1.flags=0, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10785] tmp___5 = ldv__builtin_expect((long )descriptor___1.flags & 1L, 0L) [L10786] COND FALSE !(tmp___5 != 0L) VAL [__constr_expr_0={36893488147419103240:0}, __constr_expr_1={36893488147419103243:0}, __constr_expr_2={36893488147419103238:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, descriptor={36893488147419103244:0}, descriptor___0={36893488147419103242:0}, descriptor___1={36893488147419103241:0}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, err=1, fatal_skb_slots=20, id={-73786976294838206465:0}, id={-73786976294838206465:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, sg=1, tmp={-18446744073709549604:0}, tmp___5=0, xbt={36893488147419103239:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10790] CALL netback_remove(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10607] struct backend_info *be ; [L10608] void *tmp ; [L10609] struct xenbus_transaction __constr_expr_0 ; VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10611] CALL, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:60}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10317] EXPR dev->driver_data [L10317] return ((void *)dev->driver_data); [L10611] RET, EXPR dev_get_drvdata((struct device const *)(& dev->dev)) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, dev_get_drvdata((struct device const *)(& dev->dev))={-18446744073709549604:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10611] tmp = dev_get_drvdata((struct device const *)(& dev->dev)) [L10612] be = (struct backend_info *)tmp VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10613] CALL set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10988] EXPR be->state VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, \old(state)=6, __this_module={249:-248}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, be->state=4294967302, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, state=6, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10988] COND FALSE !((unsigned int )be->state != (unsigned int )state) [L10613] RET set_backend_state(be, 6) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10614] CALL unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11228] EXPR (unsigned char *)be + 56UL VAL [(unsigned char *)be + 56UL=768, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11228] COND FALSE !((unsigned int )*((unsigned char *)be + 56UL) != 0U) [L11233] be->have_hotplug_status_watch = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, be={-18446744073709549604:0}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10614] RET unregister_hotplug_status_watch(be) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10615] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10615] COND TRUE (unsigned long )be->vif != (unsigned long )((struct xenvif *)0) [L10616] CALL kobject_uevent(& dev->dev.kobj, 5) VAL [\old(arg1)=5, \old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, arg0={-73786976294838206463:76}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13496] return __VERIFIER_nondet_int(); [L10616] RET kobject_uevent(& dev->dev.kobj, 5) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, kobject_uevent(& dev->dev.kobj, 5)=239, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10617] EXPR be->vif VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10617] CALL xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11216] EXPR vif->credit_watch.node VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->credit_watch.node={241:18446744073709551375}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L11216] COND FALSE !((unsigned long )vif->credit_watch.node != (unsigned long )((char const *)0)) [L10617] RET xen_unregister_watchers(be->vif) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __constr_expr_0={36893488147419103235:0}, __this_module={249:-248}, be={-18446744073709549604:0}, be->vif={36893488147419103235:-18446744073709551620}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={-73786976294838206463:0}, dev={-73786976294838206463:0}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, tmp={-18446744073709549604:0}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L10618] __constr_expr_0.id = 0U [L10619] EXPR dev->nodename [L10619] CALL xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L13694] return __VERIFIER_nondet_int(); [L10619] RET xenbus_rm(__constr_expr_0, dev->nodename, "hotplug-status") [L10620] EXPR be->vif [L10620] CALL xenvif_free(be->vif) [L12828] struct xenvif_queue *queue ; [L12829] unsigned int num_queues ; [L12830] unsigned int queue_index ; [L12832] queue = (struct xenvif_queue *)0 [L12833] EXPR vif->num_queues [L12833] num_queues = vif->num_queues [L12834] EXPR vif->dev [L12834] CALL ldv_unregister_netdev_22(vif->dev) [L13184] FCALL unregister_netdev(dev) [L13185] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={36893488147419103251:36893488147419103263}, dev={36893488147419103251:36893488147419103263}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12834] RET ldv_unregister_netdev_22(vif->dev) [L12835] queue_index = 0U VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12842] COND FALSE !(queue_index < num_queues) [L12846] EXPR vif->queues VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->queues={36893488147419103270:36893488147419103260}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12846] FCALL vfree((void const *)vif->queues) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, num_queues=0, queue={0:0}, queue_index=0, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, vif={36893488147419103235:-18446744073709551620}, vif={36893488147419103235:-18446744073709551620}, vif->queues={36893488147419103270:36893488147419103260}, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12847] vif->queues = (struct xenvif_queue *)0 [L12848] vif->num_queues = 0U [L12849] EXPR vif->dev [L12849] CALL ldv_free_netdev_23(vif->dev) [L13192] FCALL free_netdev(dev) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={36893488147419103251:36893488147419103263}, dev={36893488147419103251:36893488147419103263}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13193] ldv_state_variable_2 = 0 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, dev={36893488147419103251:36893488147419103263}, dev={36893488147419103251:36893488147419103263}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L12849] RET ldv_free_netdev_23(vif->dev) [L12850] CALL ldv_module_put_24(& __this_module) [L13200] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={249:-248}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13279] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={249:-248}, module={249:-248}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13280] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, module={249:-248}, module={249:-248}, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13281] CALL ldv_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] [L13209] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(ldv_state_variable_2)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_list_1)=0, \old(ldv_timer_state_1)=0, __this_module={249:-248}, cpu_online_mask={36893488147419103250:36893488147419103256}, fatal_skb_slots=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=1, ldv_state_variable_4=1, ldv_state_variable_5=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, netback_driver={234:0}, netback_driver_group0={-73786976294838206463:0}, netback_ids={233:0}, nr_cpu_ids=36893488147419103247, ref_cnt=0, rx_drain_timeout_msecs=10000, rx_stall_timeout_msecs=60000, separate_tx_rx_irq=1, xen_domain_type=1, xen_netback_dbg_root={0:0}, xenvif_dbg_io_ring_ops_fops={232:0}, xenvif_dbg_io_ring_ops_fops_group1={18446744073709551617:0}, xenvif_dbg_io_ring_ops_fops_group2={-18446744073709551617:0}, xenvif_ethtool_ops={236:0}, xenvif_ethtool_ops_group0={-36893488147419103233:0}, xenvif_max_queues=238, xenvif_netdev_ops={237:0}, xenvif_netdev_ops_group1={0:0}, xenvif_stats={235:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 88 procedures, 1304 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 257.2s, OverallIterations: 13, TraceHistogramMax: 8, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.2s, AutomataDifference: 194.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 19508 SdHoareTripleChecker+Valid, 182.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18364 mSDsluCounter, 126116 SdHoareTripleChecker+Invalid, 171.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 107336 mSDsCounter, 9221 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63200 IncrementalHoareTripleChecker+Invalid, 72431 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9221 mSolverCounterUnsat, 18780 mSDtfsCounter, 63200 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2775 GetRequests, 2543 SyntacticMatches, 4 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1038 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6553occurred in iteration=12, InterpolantAutomatonStates: 152, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 13944 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 28.6s SatisfiabilityAnalysisTime, 20.2s InterpolantComputationTime, 3890 NumberOfCodeBlocks, 3890 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4415 ConstructedInterpolants, 0 QuantifiedInterpolants, 7224 SizeOfPredicates, 11 NumberOfNonLiveVariables, 15962 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 4388/4419 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 17:03:10,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 --- Real Ultimate output --- [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 [2022-11-21 17:03:12,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:03:12,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:03:12,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:03:12,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:03:12,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:03:12,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:03:12,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:03:12,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:03:12,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:03:12,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:03:12,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:03:12,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:03:12,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:03:12,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:03:12,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:03:12,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:03:12,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:03:12,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:03:12,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:03:12,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:03:12,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:03:12,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:03:12,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:03:12,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:03:12,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:03:12,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:03:12,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:03:12,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:03:12,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:03:12,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:03:12,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:03:12,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:03:12,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:03:12,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:03:12,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:03:12,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:03:12,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:03:12,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:03:12,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:03:12,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:03:12,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 17:03:12,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:03:12,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:03:12,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:03:12,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:03:12,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:03:12,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:03:12,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:03:12,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:03:12,549 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:03:12,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:03:12,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:03:12,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:03:12,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:03:12,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:03:12,552 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:03:12,552 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:03:12,552 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:03:12,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:03:12,552 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:03:12,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:03:12,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:03:12,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:03:12,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:03:12,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:03:12,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:03:12,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:03:12,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:03:12,554 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:03:12,555 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:03:12,555 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:03:12,555 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:03:12,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:03:12,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:03:12,556 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f816b5cf025191130f4fa3c768ff88e2f73399115a7a3b9220171373d5eeca46 [2022-11-21 17:03:12,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:03:12,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:03:12,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:03:12,936 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:03:12,937 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:03:12,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-11-21 17:03:15,935 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:03:16,691 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:03:16,691 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--xen-netback--xen-netback.ko-entry_point.cil.out.i [2022-11-21 17:03:16,774 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/data/1c3a88976/2e32619e6b0b4a4aa04aaaccc5b2b8d5/FLAG12ca48175 [2022-11-21 17:03:16,798 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2757925d-4339-4664-a757-f41445581a3a/bin/uautomizer-vX5HgA9Q3a/data/1c3a88976/2e32619e6b0b4a4aa04aaaccc5b2b8d5 [2022-11-21 17:03:16,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:03:16,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:03:16,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:03:16,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:03:16,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:03:16,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:03:16" (1/1) ... [2022-11-21 17:03:16,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be72b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:03:16, skipping insertion in model container [2022-11-21 17:03:16,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:03:16" (1/1) ... [2022-11-21 17:03:16,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:03:17,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:03:19,834 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: snprintf((char *)(& filename), 14UL, "io_ring_q%d", i) [10556] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:617) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleSnPrintF(StandardFunctionHandler.java:971) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$21(StandardFunctionHandler.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1867) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:202) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1646) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 17:03:19,841 INFO L158 Benchmark]: Toolchain (without parser) took 3035.52ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.9MB in the beginning and 33.2MB in the end (delta: 10.7MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-11-21 17:03:19,842 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 79.7MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:03:19,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3031.81ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.6MB in the beginning and 33.2MB in the end (delta: 10.5MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-11-21 17:03:19,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 79.7MB. Free memory is still 58.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3031.81ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.6MB in the beginning and 33.2MB in the end (delta: 10.5MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& filename), 14UL, "io_ring_q%d", i) [10556] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: snprintf((char *)(& filename), 14UL, "io_ring_q%d", i) [10556]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& filename), 14UL, "io_ring_q%d", i) [10556]