./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc --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 aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:51:19,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:51:19,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:51:19,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:51:19,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:51:19,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:51:19,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:51:19,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:51:19,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:51:19,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:51:19,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:51:19,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:51:19,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:51:19,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:51:19,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:51:19,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:51:19,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:51:19,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:51:19,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:51:19,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:51:19,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:51:19,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:51:19,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:51:19,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:51:19,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:51:19,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:51:19,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:51:19,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:51:19,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:51:19,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:51:19,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:51:19,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:51:19,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:51:19,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:51:19,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:51:19,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:51:19,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:51:19,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:51:19,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:51:19,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:51:19,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:51:19,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:51:19,153 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:51:19,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:51:19,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:51:19,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:51:19,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:51:19,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:51:19,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:51:19,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:51:19,156 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:51:19,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:51:19,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:51:19,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:51:19,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:51:19,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:51:19,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:51:19,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:51:19,159 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:51:19,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:51:19,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:51:19,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:51:19,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:51:19,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:51:19,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:51:19,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:51:19,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:51:19,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:51:19,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:51:19,162 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:51:19,162 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:51:19,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:51:19,163 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_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 [2022-11-02 20:51:19,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:51:19,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:51:19,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:51:19,469 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:51:19,470 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:51:19,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-11-02 20:51:19,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/data/f66687173/e2ad871371d6458c9367aa7342f186fd/FLAG13195f187 [2022-11-02 20:51:20,349 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:51:20,349 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-11-02 20:51:20,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/data/f66687173/e2ad871371d6458c9367aa7342f186fd/FLAG13195f187 [2022-11-02 20:51:20,875 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/data/f66687173/e2ad871371d6458c9367aa7342f186fd [2022-11-02 20:51:20,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:51:20,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:51:20,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:51:20,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:51:20,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:51:20,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66db8c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:20, skipping insertion in model container [2022-11-02 20:51:20,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:51:20" (1/1) ... [2022-11-02 20:51:20,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:51:21,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:51:21,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-11-02 20:51:22,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:51:22,268 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:51:22,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-11-02 20:51:22,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:51:22,621 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:51:22,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22 WrapperNode [2022-11-02 20:51:22,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:51:22,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:51:22,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:51:22,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:51:22,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (1/1) ... [2022-11-02 20:51:22,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (1/1) ... [2022-11-02 20:51:22,787 INFO L138 Inliner]: procedures = 146, calls = 357, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1425 [2022-11-02 20:51:22,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:51:22,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:51:22,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:51:22,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:51:22,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (1/1) ... [2022-11-02 20:51:22,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (1/1) ... [2022-11-02 20:51:22,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (1/1) ... [2022-11-02 20:51:22,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (1/1) ... [2022-11-02 20:51:22,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (1/1) ... [2022-11-02 20:51:22,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (1/1) ... [2022-11-02 20:51:22,871 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (1/1) ... [2022-11-02 20:51:22,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (1/1) ... [2022-11-02 20:51:22,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:51:22,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:51:22,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:51:22,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:51:22,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (1/1) ... [2022-11-02 20:51:22,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:51:22,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:51:22,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:51:23,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:51:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-02 20:51:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-02 20:51:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:51:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:51:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:51:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:51:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:51:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:51:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure state [2022-11-02 20:51:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure state [2022-11-02 20:51:23,038 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-02 20:51:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-02 20:51:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_ioctl [2022-11-02 20:51:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_ioctl [2022-11-02 20:51:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_rx [2022-11-02 20:51:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_rx [2022-11-02 20:51:23,039 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-02 20:51:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-02 20:51:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_type_trans [2022-11-02 20:51:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_type_trans [2022-11-02 20:51:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:51:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:51:23,040 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2022-11-02 20:51:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2022-11-02 20:51:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-02 20:51:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-02 20:51:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-02 20:51:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-02 20:51:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:51:23,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:51:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:51:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:51:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:51:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:51:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:51:23,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:51:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:51:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:51:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_hard_header [2022-11-02 20:51:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_hard_header [2022-11-02 20:51:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-02 20:51:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-02 20:51:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:51:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:51:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:51:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-02 20:51:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-02 20:51:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:51:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-02 20:51:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-02 20:51:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-02 20:51:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-02 20:51:23,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:51:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-02 20:51:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-02 20:51:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:51:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:51:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:51:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:51:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-02 20:51:23,050 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-02 20:51:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_keepalive_send [2022-11-02 20:51:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_keepalive_send [2022-11-02 20:51:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-02 20:51:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-02 20:51:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:51:23,051 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:51:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:51:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:51:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:51:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:51:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:51:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2022-11-02 20:51:23,053 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2022-11-02 20:51:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:51:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:51:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:51:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-02 20:51:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-02 20:51:23,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:51:23,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:51:23,581 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:51:23,584 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:51:23,877 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:51:24,788 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:51:24,798 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:51:24,799 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:51:24,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:51:24 BoogieIcfgContainer [2022-11-02 20:51:24,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:51:24,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:51:24,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:51:24,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:51:24,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:51:20" (1/3) ... [2022-11-02 20:51:24,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60eaa814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:51:24, skipping insertion in model container [2022-11-02 20:51:24,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:22" (2/3) ... [2022-11-02 20:51:24,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60eaa814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:51:24, skipping insertion in model container [2022-11-02 20:51:24,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:51:24" (3/3) ... [2022-11-02 20:51:24,810 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-11-02 20:51:24,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:51:24,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:51:24,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:51:24,912 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;@dd62743, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:51:24,912 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:51:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 488 states, 358 states have (on average 1.3715083798882681) internal successors, (491), 371 states have internal predecessors, (491), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-11-02 20:51:24,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-02 20:51:24,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:24,941 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:24,942 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:24,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:24,953 INFO L85 PathProgramCache]: Analyzing trace with hash 742124414, now seen corresponding path program 1 times [2022-11-02 20:51:24,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:24,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599213985] [2022-11-02 20:51:24,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:24,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:25,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:51:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:25,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:51:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:51:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:51:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:25,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:51:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-02 20:51:25,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:25,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599213985] [2022-11-02 20:51:25,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599213985] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:25,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:25,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:51:25,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356455835] [2022-11-02 20:51:25,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:25,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:51:25,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:25,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:51:25,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:51:25,623 INFO L87 Difference]: Start difference. First operand has 488 states, 358 states have (on average 1.3715083798882681) internal successors, (491), 371 states have internal predecessors, (491), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-02 20:51:27,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:27,151 INFO L93 Difference]: Finished difference Result 1541 states and 2218 transitions. [2022-11-02 20:51:27,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:51:27,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2022-11-02 20:51:27,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:27,194 INFO L225 Difference]: With dead ends: 1541 [2022-11-02 20:51:27,194 INFO L226 Difference]: Without dead ends: 1042 [2022-11-02 20:51:27,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:51:27,213 INFO L413 NwaCegarLoop]: 706 mSDtfsCounter, 1084 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1162 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 282 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:27,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1162 Valid, 1458 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [282 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 20:51:27,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2022-11-02 20:51:27,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 924. [2022-11-02 20:51:27,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 685 states have (on average 1.3562043795620438) internal successors, (929), 699 states have internal predecessors, (929), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-11-02 20:51:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1284 transitions. [2022-11-02 20:51:27,408 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1284 transitions. Word has length 47 [2022-11-02 20:51:27,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:27,409 INFO L495 AbstractCegarLoop]: Abstraction has 924 states and 1284 transitions. [2022-11-02 20:51:27,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-02 20:51:27,409 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1284 transitions. [2022-11-02 20:51:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-02 20:51:27,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:27,413 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:27,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:51:27,414 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:27,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:27,415 INFO L85 PathProgramCache]: Analyzing trace with hash -2097093995, now seen corresponding path program 1 times [2022-11-02 20:51:27,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:27,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706550847] [2022-11-02 20:51:27,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:27,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:51:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:51:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:51:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:51:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:51:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:27,652 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-02 20:51:27,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:27,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706550847] [2022-11-02 20:51:27,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706550847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:27,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:27,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:51:27,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404887716] [2022-11-02 20:51:27,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:27,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:51:27,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:27,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:51:27,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:51:27,656 INFO L87 Difference]: Start difference. First operand 924 states and 1284 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-02 20:51:28,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:28,798 INFO L93 Difference]: Finished difference Result 1951 states and 2732 transitions. [2022-11-02 20:51:28,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:51:28,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2022-11-02 20:51:28,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:28,809 INFO L225 Difference]: With dead ends: 1951 [2022-11-02 20:51:28,809 INFO L226 Difference]: Without dead ends: 1041 [2022-11-02 20:51:28,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:51:28,817 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 987 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 246 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1049 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:28,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1049 Valid, 1569 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 20:51:28,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2022-11-02 20:51:28,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 923. [2022-11-02 20:51:28,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 684 states have (on average 1.3523391812865497) internal successors, (925), 698 states have internal predecessors, (925), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-11-02 20:51:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1280 transitions. [2022-11-02 20:51:28,920 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1280 transitions. Word has length 50 [2022-11-02 20:51:28,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:28,921 INFO L495 AbstractCegarLoop]: Abstraction has 923 states and 1280 transitions. [2022-11-02 20:51:28,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-02 20:51:28,921 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1280 transitions. [2022-11-02 20:51:28,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-02 20:51:28,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:28,931 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-11-02 20:51:28,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:51:28,931 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:28,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:28,932 INFO L85 PathProgramCache]: Analyzing trace with hash 171125928, now seen corresponding path program 1 times [2022-11-02 20:51:28,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:28,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111262763] [2022-11-02 20:51:28,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:28,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:29,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:51:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:29,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:51:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:29,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:51:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:29,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:51:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:29,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:51:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:29,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:51:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:51:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:29,299 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-11-02 20:51:29,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:29,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111262763] [2022-11-02 20:51:29,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111262763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:29,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:29,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:51:29,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447755853] [2022-11-02 20:51:29,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:29,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:51:29,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:29,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:51:29,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:51:29,307 INFO L87 Difference]: Start difference. First operand 923 states and 1280 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:51:31,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:31,103 INFO L93 Difference]: Finished difference Result 2974 states and 4185 transitions. [2022-11-02 20:51:31,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:51:31,105 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2022-11-02 20:51:31,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:31,117 INFO L225 Difference]: With dead ends: 2974 [2022-11-02 20:51:31,124 INFO L226 Difference]: Without dead ends: 2060 [2022-11-02 20:51:31,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:51:31,135 INFO L413 NwaCegarLoop]: 691 mSDtfsCounter, 1091 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 2474 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:31,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 2474 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-02 20:51:31,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2022-11-02 20:51:31,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 1924. [2022-11-02 20:51:31,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1924 states, 1437 states have (on average 1.3625608907446067) internal successors, (1958), 1469 states have internal predecessors, (1958), 358 states have call successors, (358), 121 states have call predecessors, (358), 128 states have return successors, (381), 363 states have call predecessors, (381), 357 states have call successors, (381) [2022-11-02 20:51:31,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 2697 transitions. [2022-11-02 20:51:31,303 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 2697 transitions. Word has length 71 [2022-11-02 20:51:31,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:31,304 INFO L495 AbstractCegarLoop]: Abstraction has 1924 states and 2697 transitions. [2022-11-02 20:51:31,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:51:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2697 transitions. [2022-11-02 20:51:31,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-02 20:51:31,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:31,315 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:31,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:51:31,315 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:31,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:31,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1729160309, now seen corresponding path program 1 times [2022-11-02 20:51:31,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:31,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261958524] [2022-11-02 20:51:31,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:31,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:51:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:51:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:51:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:51:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:51:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-02 20:51:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-02 20:51:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:51:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:51:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 20:51:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 20:51:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-02 20:51:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-02 20:51:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:51:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:31,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-02 20:51:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-02 20:51:32,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:32,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261958524] [2022-11-02 20:51:32,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261958524] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:51:32,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020663402] [2022-11-02 20:51:32,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:32,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:51:32,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:51:32,010 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:51:32,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:51:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:32,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-02 20:51:32,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:51:32,550 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-02 20:51:32,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:51:32,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020663402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:32,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:51:32,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 7 [2022-11-02 20:51:32,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305587764] [2022-11-02 20:51:32,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:32,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:51:32,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:32,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:51:32,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:51:32,560 INFO L87 Difference]: Start difference. First operand 1924 states and 2697 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:51:32,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:32,782 INFO L93 Difference]: Finished difference Result 3838 states and 5422 transitions. [2022-11-02 20:51:32,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:51:32,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2022-11-02 20:51:32,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:32,793 INFO L225 Difference]: With dead ends: 3838 [2022-11-02 20:51:32,794 INFO L226 Difference]: Without dead ends: 1928 [2022-11-02 20:51:32,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:51:32,802 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 2 mSDsluCounter, 1961 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2619 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:32,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2619 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:51:32,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2022-11-02 20:51:32,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1924. [2022-11-02 20:51:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1924 states, 1433 states have (on average 1.357990230286113) internal successors, (1946), 1467 states have internal predecessors, (1946), 358 states have call successors, (358), 121 states have call predecessors, (358), 132 states have return successors, (392), 365 states have call predecessors, (392), 357 states have call successors, (392) [2022-11-02 20:51:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1924 states and 2696 transitions. [2022-11-02 20:51:32,926 INFO L78 Accepts]: Start accepts. Automaton has 1924 states and 2696 transitions. Word has length 141 [2022-11-02 20:51:32,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:32,927 INFO L495 AbstractCegarLoop]: Abstraction has 1924 states and 2696 transitions. [2022-11-02 20:51:32,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:51:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2696 transitions. [2022-11-02 20:51:32,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-02 20:51:32,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:32,934 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:32,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:51:33,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:51:33,150 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:33,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:33,151 INFO L85 PathProgramCache]: Analyzing trace with hash 568539780, now seen corresponding path program 1 times [2022-11-02 20:51:33,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:33,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043799910] [2022-11-02 20:51:33,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:33,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:51:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:51:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:51:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:51:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:51:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:51:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:51:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 20:51:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-02 20:51:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:51:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:51:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:51:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 20:51:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:34,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:35,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:35,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:51:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:35,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 20:51:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:35,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 20:51:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-02 20:51:35,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:35,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043799910] [2022-11-02 20:51:35,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043799910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:35,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:35,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-02 20:51:35,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28232087] [2022-11-02 20:51:35,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:35,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-02 20:51:35,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:35,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-02 20:51:35,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:51:35,499 INFO L87 Difference]: Start difference. First operand 1924 states and 2696 transitions. Second operand has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:51:38,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:38,818 INFO L93 Difference]: Finished difference Result 3994 states and 5630 transitions. [2022-11-02 20:51:38,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:51:38,819 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) Word has length 148 [2022-11-02 20:51:38,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:38,836 INFO L225 Difference]: With dead ends: 3994 [2022-11-02 20:51:38,837 INFO L226 Difference]: Without dead ends: 2084 [2022-11-02 20:51:38,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2022-11-02 20:51:38,844 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 511 mSDsluCounter, 5439 mSDsCounter, 0 mSdLazyCounter, 2558 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 6059 SdHoareTripleChecker+Invalid, 2786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 2558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:38,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 6059 Invalid, 2786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 2558 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-02 20:51:38,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2084 states. [2022-11-02 20:51:38,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2084 to 1954. [2022-11-02 20:51:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1455 states have (on average 1.3484536082474228) internal successors, (1962), 1489 states have internal predecessors, (1962), 364 states have call successors, (364), 121 states have call predecessors, (364), 134 states have return successors, (402), 373 states have call predecessors, (402), 363 states have call successors, (402) [2022-11-02 20:51:38,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2728 transitions. [2022-11-02 20:51:38,985 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2728 transitions. Word has length 148 [2022-11-02 20:51:38,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:38,986 INFO L495 AbstractCegarLoop]: Abstraction has 1954 states and 2728 transitions. [2022-11-02 20:51:38,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.866666666666666) internal successors, (88), 11 states have internal predecessors, (88), 3 states have call successors, (19), 4 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-02 20:51:38,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2728 transitions. [2022-11-02 20:51:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-02 20:51:38,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:38,997 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 4, 4, 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] [2022-11-02 20:51:38,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:51:38,997 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:38,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:38,998 INFO L85 PathProgramCache]: Analyzing trace with hash -799997024, now seen corresponding path program 1 times [2022-11-02 20:51:38,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:39,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045214419] [2022-11-02 20:51:39,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:39,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:51:39,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:51:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:51:39,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:51:39,950 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:51:39,951 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:51:39,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:51:39,956 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-02 20:51:39,961 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:51:40,026 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:51:40,027 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:51:40,027 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:51:40,028 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:51:40,028 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:51:40,028 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:51:40,029 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:51:40,029 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:51:40,029 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:51:40,029 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:51:40,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:51:40 BoogieIcfgContainer [2022-11-02 20:51:40,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:51:40,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:51:40,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:51:40,197 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:51:40,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:51:24" (3/4) ... [2022-11-02 20:51:40,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:51:40,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:51:40,203 INFO L158 Benchmark]: Toolchain (without parser) took 19323.89ms. Allocated memory was 94.4MB in the beginning and 362.8MB in the end (delta: 268.4MB). Free memory was 47.9MB in the beginning and 193.4MB in the end (delta: -145.5MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2022-11-02 20:51:40,203 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:51:40,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1743.78ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 47.7MB in the beginning and 59.7MB in the end (delta: -12.0MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2022-11-02 20:51:40,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.67ms. Allocated memory is still 119.5MB. Free memory was 59.7MB in the beginning and 51.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:51:40,204 INFO L158 Benchmark]: Boogie Preprocessor took 128.37ms. Allocated memory is still 119.5MB. Free memory was 51.3MB in the beginning and 68.8MB in the end (delta: -17.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-11-02 20:51:40,205 INFO L158 Benchmark]: RCFGBuilder took 1883.73ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 68.8MB in the beginning and 91.0MB in the end (delta: -22.2MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2022-11-02 20:51:40,205 INFO L158 Benchmark]: TraceAbstraction took 15393.27ms. Allocated memory was 167.8MB in the beginning and 362.8MB in the end (delta: 195.0MB). Free memory was 90.1MB in the beginning and 193.4MB in the end (delta: -103.3MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. [2022-11-02 20:51:40,205 INFO L158 Benchmark]: Witness Printer took 5.36ms. Allocated memory is still 362.8MB. Free memory is still 193.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:51:40,207 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 94.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1743.78ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 47.7MB in the beginning and 59.7MB in the end (delta: -12.0MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 162.67ms. Allocated memory is still 119.5MB. Free memory was 59.7MB in the beginning and 51.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.37ms. Allocated memory is still 119.5MB. Free memory was 51.3MB in the beginning and 68.8MB in the end (delta: -17.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1883.73ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 68.8MB in the beginning and 91.0MB in the end (delta: -22.2MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * TraceAbstraction took 15393.27ms. Allocated memory was 167.8MB in the beginning and 362.8MB in the end (delta: 195.0MB). Free memory was 90.1MB in the beginning and 193.4MB in the end (delta: -103.3MB). Peak memory consumption was 92.5MB. Max. memory is 16.1GB. * Witness Printer took 5.36ms. Allocated memory is still 362.8MB. Free memory is still 193.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * 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: 5554]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 5123. Possible FailurePath: [L5577] int LDV_IN_INTERRUPT = 1; [L5578] struct sk_buff *proto_group1 ; [L5579] int ldv_state_variable_0 ; [L5580] int ldv_state_variable_3 ; [L5581] int ldv_timer_state_1 = 0; [L5582] int ldv_state_variable_2 ; [L5583] struct net_device *proto_group0 ; [L5584] int ref_cnt ; [L5585] int ldv_state_variable_1 ; [L5586] struct timer_list *ldv_timer_list_1 ; [L5964-L5966] static struct hdlc_proto proto = {0, 0, & cisco_start, & cisco_stop, 0, & cisco_ioctl, & cisco_type_trans, & cisco_rx, 0, & __this_module, 0}; [L5967] static struct header_ops const cisco_header_ops = {& cisco_hard_header, 0, 0, 0, 0}; [L6078] int ldv_retval_0 ; [L6374] Element set_impl[15] ; [L6375] int last_index = 0; [L6509] Set LDV_SKBS ; VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6142] struct ifreq *ldvarg0 ; [L6143] void *tmp ; [L6144] unsigned int ldvarg1 ; [L6145] unsigned int tmp___0 ; [L6146] unsigned short ldvarg4 ; [L6147] unsigned short tmp___1 ; [L6148] struct sk_buff *ldvarg3 ; [L6149] void *tmp___2 ; [L6150] struct net_device *ldvarg5 ; [L6151] void *tmp___3 ; [L6152] void *ldvarg2 ; [L6153] void *tmp___4 ; [L6154] void *ldvarg6 ; [L6155] void *tmp___5 ; [L6156] int tmp___6 ; [L6157] int tmp___7 ; [L6158] int tmp___8 ; [L6159] int tmp___9 ; VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6161] CALL, EXPR ldv_zalloc(40UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=40, \result={0:0}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=40, tmp___0=-2] [L6161] RET, EXPR ldv_zalloc(40UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(40UL)={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6161] tmp = ldv_zalloc(40UL) [L6162] ldvarg0 = (struct ifreq *)tmp [L6163] tmp___0 = __VERIFIER_nondet_uint() [L6164] ldvarg1 = tmp___0 [L6165] tmp___1 = __VERIFIER_nondet_ushort() [L6166] ldvarg4 = tmp___1 VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg4=49603, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603] [L6167] CALL, EXPR ldv_zalloc(232UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=232, tmp___0=-3] [L6167] RET, EXPR ldv_zalloc(232UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(232UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg4=49603, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603] [L6167] tmp___2 = ldv_zalloc(232UL) [L6168] ldvarg3 = (struct sk_buff *)tmp___2 VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg3={0:0}, ldvarg4=49603, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}] [L6169] CALL, EXPR ldv_zalloc(3264UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=3264, \result={0:0}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=3264, tmp___0=-5] [L6169] RET, EXPR ldv_zalloc(3264UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(3264UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg3={0:0}, ldvarg4=49603, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}] [L6169] tmp___3 = ldv_zalloc(3264UL) [L6170] ldvarg5 = (struct net_device *)tmp___3 VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}] [L6171] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=1, tmp___0=-6] [L6171] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}] [L6171] tmp___4 = ldv_zalloc(1UL) [L6172] ldvarg2 = tmp___4 VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}] [L6173] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=1, tmp___0=-7] [L6173] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}] [L6173] tmp___5 = ldv_zalloc(1UL) [L6174] ldvarg6 = tmp___5 [L6175] CALL ldv_initialize() [L6528] CALL ldv_set_init(LDV_SKBS) [L6380] set = set_impl [L6381] last_index = 0 VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={18:0}, set_impl={18:0}] [L6528] RET ldv_set_init(LDV_SKBS) [L6175] RET ldv_initialize() [L6176] ldv_state_variable_1 = 1 [L6177] ref_cnt = 0 [L6178] ldv_state_variable_0 = 1 [L6179] ldv_state_variable_3 = 0 [L6180] ldv_state_variable_2 = 0 VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}] [L6182] tmp___6 = __VERIFIER_nondet_int() [L6184] case 0: [L6190] case 1: VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1] [L6191] COND TRUE ldv_state_variable_0 != 0 [L6192] tmp___7 = __VERIFIER_nondet_int() [L6194] case 0: [L6202] case 1: VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=1] [L6203] COND TRUE ldv_state_variable_0 == 1 [L6204] CALL, EXPR mod_init() [L6067] FCALL register_hdlc_protocol(& proto) [L6068] return (0); VAL [\result=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6204] RET, EXPR mod_init() [L6204] ldv_retval_0 = mod_init() [L6205] COND TRUE ldv_retval_0 == 0 [L6206] ldv_state_variable_0 = 3 [L6207] ldv_state_variable_2 = 1 [L6208] ldv_state_variable_3 = 1 [L6209] CALL ldv_initialize_hdlc_proto_3() [L6101] void *tmp ; [L6102] void *tmp___0 ; VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6104] CALL, EXPR ldv_zalloc(232UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=232, tmp___0=-8] [L6104] RET, EXPR ldv_zalloc(232UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(232UL)={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6104] tmp = ldv_zalloc(232UL) [L6105] proto_group1 = (struct sk_buff *)tmp VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}] [L6106] CALL, EXPR ldv_zalloc(3264UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=3264, \result={0:0}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=3264, tmp___0=-9] [L6106] RET, EXPR ldv_zalloc(3264UL) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(3264UL)={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}] [L6106] tmp___0 = ldv_zalloc(3264UL) [L6107] proto_group0 = (struct net_device *)tmp___0 VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0={0:0}] [L6209] RET ldv_initialize_hdlc_proto_3() [L6212] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=1] [L6182] tmp___6 = __VERIFIER_nondet_int() [L6184] case 0: VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=1] [L6185] COND TRUE ldv_state_variable_1 != 0 [L6186] CALL choose_timer_1(ldv_timer_list_1) [L6114] LDV_IN_INTERRUPT = 2 [L6115] EXPR timer->data [L6115] EXPR timer->function [L6115] CALL (*(timer->function))(timer->data) [L5877] struct net_device *dev ; [L5878] hdlc_device *hdlc ; [L5879] struct hdlc_device *tmp ; [L5880] struct cisco_state *st ; [L5881] struct cisco_state *tmp___0 ; [L5882] __u32 tmp___1 ; [L5883] __u32 tmp___2 ; [L5885] dev = (struct net_device *)arg VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5886] CALL, EXPR dev_to_hdlc(dev) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5638] void *tmp ; [L5640] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5595] return ((void *)dev + 3264U); VAL [\result={0:19}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, dev={0:-3245}, dev={0:-3245}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5640] RET, EXPR netdev_priv((struct net_device const *)dev) [L5640] tmp = netdev_priv((struct net_device const *)dev) [L5641] return ((struct hdlc_device *)tmp); VAL [\result={0:19}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, dev={0:-3245}, dev={0:-3245}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:19}] [L5886] RET, EXPR dev_to_hdlc(dev) VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, dev_to_hdlc(dev)={0:19}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5886] tmp = dev_to_hdlc(dev) [L5887] hdlc = tmp VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:19}] [L5888] CALL, EXPR state(hdlc) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, hdlc={0:19}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5670] EXPR hdlc->state [L5670] return ((struct cisco_state *)hdlc->state); [L5888] RET, EXPR state(hdlc) VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, state(hdlc)={18:-212}, tmp={0:19}] [L5888] tmp___0 = state(hdlc) [L5889] st = tmp___0 VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:-212}, tmp={0:19}, tmp___0={18:-212}] [L5890] CALL spin_lock(& st->lock) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5263] FCALL _raw_spin_lock(& lock->ldv_6338.rlock) [L5890] RET spin_lock(& st->lock) VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:-212}, tmp={0:19}, tmp___0={18:-212}] [L5891] EXPR st->up [L5891] st->up != 0 && (long )((st->last_poll + (unsigned long )(st->settings.timeout * 250U)) - (unsigned long )jiffies) < 0L [L5891] EXPR st->last_poll [L5891] EXPR st->settings.timeout [L5891] st->up != 0 && (long )((st->last_poll + (unsigned long )(st->settings.timeout * 250U)) - (unsigned long )jiffies) < 0L VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:-212}, st->last_poll=1383385901691737259033002, st->settings.timeout=26, st->up=1383385901691737259033013, st->up != 0 && (long )((st->last_poll + (unsigned long )(st->settings.timeout * 250U)) - (unsigned long )jiffies) < 0L=0, tmp={0:19}, tmp___0={18:-212}] [L5891] COND FALSE !(st->up != 0 && (long )((st->last_poll + (unsigned long )(st->settings.timeout * 250U)) - (unsigned long )jiffies) < 0L) [L5897] EXPR st->rxseq VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:-212}, st->rxseq=1383385901691737259033008, tmp={0:19}, tmp___0={18:-212}] [L5897] CALL, EXPR __fswab32(st->rxseq) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); VAL [\old(val)=1383385901691737259033008, \result=1383385901691737259033008, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, val=1383385901691737259033008] [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); VAL [\old(val)=1383385901691737259033008, \result=1383385901691737259033008, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp=4294885808, val=1383385901691737259033008] [L5897] RET, EXPR __fswab32(st->rxseq) VAL [\old(arg)=18446744073709548371, __fswab32(st->rxseq)=1383385901691737259033008, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:-212}, st->rxseq=1383385901691737259033008, tmp={0:19}, tmp___0={18:-212}] [L5897] tmp___1 = __fswab32(st->rxseq) [L5898] EXPR st->txseq [L5898] st->txseq = st->txseq + 1U [L5899] EXPR st->txseq VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:-212}, st->txseq=4, tmp={0:19}, tmp___0={18:-212}, tmp___1=4294885808] [L5899] CALL, EXPR __fswab32(st->txseq) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); VAL [\old(val)=4, \result=4, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, val=4] [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); VAL [\old(val)=4, \result=4, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp=4, val=4] [L5899] RET, EXPR __fswab32(st->txseq) VAL [\old(arg)=18446744073709548371, __fswab32(st->txseq)=4, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:-212}, st->txseq=4, tmp={0:19}, tmp___0={18:-212}, tmp___1=4294885808] [L5899] tmp___2 = __fswab32(st->txseq) [L5900] CALL cisco_keepalive_send(dev, 2U, tmp___2, tmp___1) VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5695] struct sk_buff *skb ; [L5696] struct cisco_packet *data ; [L5697] __u32 tmp ; [L5698] __u32 tmp___0 ; [L5700] CALL, EXPR ldv_dev_alloc_skb_12(22U) [L6356] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=22, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, length=22, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6358] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6512] void *skb ; [L6513] void *tmp___7 ; VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6515] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND FALSE !(tmp___0 != 0) [L5527] EXPR, FCALL calloc(1UL, size) [L5527] tmp = calloc(1UL, size) [L5528] p = tmp VAL [\old(last_index)=0, \old(size)=248, __this_module={1383385901691737259033020:1383385901691737259033038}, calloc(1UL, size)={-18446744073709551615:0}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, p={-18446744073709551615:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0] [L5529] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5498] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, cond=1, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5529] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __this_module={1383385901691737259033020:1383385901691737259033038}, calloc(1UL, size)={-18446744073709551615:0}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, p={-18446744073709551615:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0] [L5530] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-18446744073709551615:0}, __this_module={1383385901691737259033020:1383385901691737259033038}, calloc(1UL, size)={-18446744073709551615:0}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, p={-18446744073709551615:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=248, tmp={-18446744073709551615:0}, tmp___0=0] [L6515] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(sizeof(struct sk_buff___0 ))={-18446744073709551615:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6515] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L6516] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={-18446744073709551615:0}, tmp___7={-18446744073709551615:0}] [L6517] COND FALSE !(! skb) [L6520] CALL ldv_set_add(LDV_SKBS, skb) [L6388] int i ; [L6390] i = 0 VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6391] COND TRUE 1 VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6392] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, jiffies=18446744073709476623, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6402] COND TRUE last_index < 15 [L6403] set_impl[last_index] = e [L6404] last_index = last_index + 1 VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, e={-18446744073709551615:0}, e={-18446744073709551615:0}, i=0, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6520] RET ldv_set_add(LDV_SKBS, skb) [L6521] return (skb); VAL [\old(last_index)=0, \result={-18446744073709551615:0}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={-18446744073709551615:0}, tmp___7={-18446744073709551615:0}] [L6358] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=22, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, ldv_skb_alloc()={-18446744073709551615:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, length=22, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6358] tmp = ldv_skb_alloc() [L6359] return (tmp); VAL [\old(last_index)=0, \old(length)=22, \result={-18446744073709551615:0}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, length=22, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={-18446744073709551615:0}] [L5700] RET, EXPR ldv_dev_alloc_skb_12(22U) [L5700] skb = ldv_dev_alloc_skb_12(22U) [L5701] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) [L5706] CALL skb_reserve(skb, 4) [L5475] EXPR skb->data [L5475] skb->data = skb->data + (unsigned long )len [L5476] EXPR skb->tail [L5476] skb->tail = skb->tail + (sk_buff_data_t )len [L5706] RET skb_reserve(skb, 4) [L5707] CALL cisco_hard_header(skb, dev, 32821, (void const *)0, (void const *)0, 0U) VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5676] struct hdlc_header *data ; [L5677] __u16 tmp ; [L5679] CALL skb_push(skb, 4U) [L6687] CALL, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(last_index)=0, \old(size)=1, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5502] void *p ; [L5503] void *tmp ; [L5504] int tmp___0 ; [L5506] tmp___0 = __VERIFIER_nondet_int() [L5507] COND TRUE tmp___0 != 0 [L5508] return ((void *)0); VAL [\old(last_index)=0, \old(size)=1, \result={0:0}, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=1, tmp___0=-11] [L6687] RET, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(arg1)=4, \old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, arg0={-18446744073709551615:0}, arg0={-18446744073709551615:0}, arg1=4, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_malloc(sizeof(unsigned char))={0:0}, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6687] return ldv_malloc(sizeof(unsigned char)); [L5679] RET skb_push(skb, 4U) [L5680] EXPR skb->data [L5680] data = (struct hdlc_header *)skb->data [L5681] COND TRUE (unsigned int )type == 32821U [L5682] data->address = 143U VAL [\old(last_index)=0, \old(len)=0, \old(type)=32821, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, daddr={0:0}, daddr={0:0}, data={20:140}, dev={0:-3245}, dev={0:-3245}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, len=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, saddr={0:0}, saddr={0:0}, set_impl={18:0}, skb={-18446744073709551615:0}, skb={-18446744073709551615:0}, type=32821] [L5686] data->control = 0U VAL [\old(last_index)=0, \old(len)=0, \old(type)=32821, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, daddr={0:0}, daddr={0:0}, data={20:140}, dev={0:-3245}, dev={0:-3245}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, len=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, saddr={0:0}, saddr={0:0}, set_impl={18:0}, skb={-18446744073709551615:0}, skb={-18446744073709551615:0}, type=32821] [L5687] CALL, EXPR __fswab16((int )type) VAL [\old(last_index)=0, \old(val)=32821, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5123] return ((__u16 )((int )((short )((int )val << 8)) | (int )((short )((int )val >> 8)))); VAL [\old(last_index)=0, \old(val)=32821, \result=128, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, val=32821] [L5687] RET, EXPR __fswab16((int )type) VAL [\old(last_index)=0, \old(len)=0, \old(type)=32821, __fswab16((int )type)=128, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, daddr={0:0}, daddr={0:0}, data={20:140}, dev={0:-3245}, dev={0:-3245}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, len=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, saddr={0:0}, saddr={0:0}, set_impl={18:0}, skb={-18446744073709551615:0}, skb={-18446744073709551615:0}, type=32821] [L5687] tmp = __fswab16((int )type) [L5688] data->protocol = tmp [L5689] return (4); VAL [\old(last_index)=0, \old(len)=0, \old(type)=32821, \result=4, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, daddr={0:0}, daddr={0:0}, data={20:140}, dev={0:-3245}, dev={0:-3245}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, len=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, saddr={0:0}, saddr={0:0}, set_impl={18:0}, skb={-18446744073709551615:0}, skb={-18446744073709551615:0}, tmp=128, type=32821] [L5707] RET cisco_hard_header(skb, dev, 32821, (void const *)0, (void const *)0, 0U) VAL [\old(last_index)=0, \old(par1)=4, \old(par2)=4294885808, \old(type)=2, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_hard_header(skb, dev, 32821, (void const *)0, (void const *)0, 0U)=4, cisco_header_ops={17:0}, dev={0:-3245}, dev={0:-3245}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=4, par2=4294885808, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={-18446744073709551615:0}, type=2] [L5708] EXPR skb->data [L5708] data = (struct cisco_packet *)skb->data + 4U [L5709] CALL, EXPR __fswab32(type) VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); VAL [\old(last_index)=0, \old(val)=2, \result=2, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, val=2] [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); VAL [\old(last_index)=0, \old(val)=2, \result=2, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp=2, val=2] [L5709] RET, EXPR __fswab32(type) VAL [\old(last_index)=0, \old(par1)=4, \old(par2)=4294885808, \old(type)=2, __fswab32(type)=2, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, data={20:212}, dev={0:-3245}, dev={0:-3245}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=4, par2=4294885808, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={-18446744073709551615:0}, type=2] [L5709] tmp = __fswab32(type) [L5710] data->type = tmp [L5711] data->par1 = par1 [L5712] data->par2 = par2 [L5713] data->rel = 65535U VAL [\old(last_index)=0, \old(par1)=4, \old(par2)=4294885808, \old(type)=2, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, data={20:212}, dev={0:-3245}, dev={0:-3245}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=4, par2=4294885808, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={-18446744073709551615:0}, tmp=2, type=2] [L5714] CALL, EXPR __fswab32(((__u32 )jiffies + 75000U) * 4U) VAL [\old(last_index)=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); VAL [\old(last_index)=0, \old(val)=28, \result=28, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, val=28] [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); VAL [\old(last_index)=0, \old(val)=28, \result=28, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp=28, val=28] [L5714] RET, EXPR __fswab32(((__u32 )jiffies + 75000U) * 4U) VAL [\old(last_index)=0, \old(par1)=4, \old(par2)=4294885808, \old(type)=2, __fswab32(((__u32 )jiffies + 75000U) * 4U)=28, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, data={20:212}, dev={0:-3245}, dev={0:-3245}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=4, par2=4294885808, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={-18446744073709551615:0}, tmp=2, type=2] [L5714] tmp___0 = __fswab32(((__u32 )jiffies + 75000U) * 4U) [L5715] data->time = tmp___0 [L5716] CALL skb_put(skb, 18U) [L6690] EXPR arg0->data [L6690] EXPR arg0->tail [L6690] unsigned char *ret_val = arg0->data + arg0->tail; [L6691] EXPR arg0->tail [L6691] arg0->tail += arg1 [L6692] return ret_val; VAL [\old(arg1)=18, \old(last_index)=0, \result={20:144}, __this_module={1383385901691737259033020:1383385901691737259033038}, arg0={-18446744073709551615:0}, arg0={-18446744073709551615:0}, arg1=18, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, ret_val={20:144}, set_impl={18:0}] [L5716] RET skb_put(skb, 18U) [L5717] skb->priority = 7U [L5718] skb->dev = dev [L5719] CALL skb_reset_network_header(skb) [L5483] EXPR skb->data [L5483] EXPR skb->head [L5483] skb->network_header = (int )((__u16 )((long )skb->data)) - (int )((__u16 )((long )skb->head)) [L5719] RET skb_reset_network_header(skb) [L5720] CALL dev_queue_xmit(skb) [L6643] return __VERIFIER_nondet_int(); [L5720] RET dev_queue_xmit(skb) [L5900] RET cisco_keepalive_send(dev, 2U, tmp___2, tmp___1) VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:-212}, tmp={0:19}, tmp___0={18:-212}, tmp___1=4294885808, tmp___2=4] [L5901] CALL spin_unlock(& st->lock) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5270] FCALL _raw_spin_unlock(& lock->ldv_6338.rlock) [L5901] RET spin_unlock(& st->lock) VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:-212}, tmp={0:19}, tmp___0={18:-212}, tmp___1=4294885808, tmp___2=4] [L5902] EXPR st->settings.interval [L5902] st->timer.expires = (unsigned long )(st->settings.interval * 250U) + (unsigned long )jiffies [L5903] st->timer.function = & cisco_timer [L5904] st->timer.data = arg VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:-212}, tmp={0:19}, tmp___0={18:-212}, tmp___1=4294885808, tmp___2=4] [L5905] FCALL add_timer(& st->timer) VAL [\old(arg)=18446744073709548371, __this_module={1383385901691737259033020:1383385901691737259033038}, arg=18446744073709548371, cisco_header_ops={17:0}, dev={0:-3245}, hdlc={0:19}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={18:-212}, tmp={0:19}, tmp___0={18:-212}, tmp___1=4294885808, tmp___2=4] [L6115] RET (*(timer->function))(timer->data) [L6116] LDV_IN_INTERRUPT = 1 [L6117] ldv_timer_state_1 = 2 VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, timer={0:0}, timer={0:0}] [L6186] RET choose_timer_1(ldv_timer_list_1) [L6182] tmp___6 = __VERIFIER_nondet_int() [L6184] case 0: [L6190] case 1: VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=1] [L6191] COND TRUE ldv_state_variable_0 != 0 [L6192] tmp___7 = __VERIFIER_nondet_int() [L6194] case 0: VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=0] [L6195] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L6196] CALL mod_exit() [L6074] FCALL unregister_hdlc_protocol(& proto) [L6196] RET mod_exit() [L6197] ldv_state_variable_0 = 2 VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ldvarg0={0:0}, ldvarg1=4294885817, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=49603, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=4294885817, tmp___1=49603, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=0] [L6315] CALL ldv_check_final_state() [L6579] int tmp___7 ; [L6581] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L6470] return (last_index == 0); VAL [\result=0, __this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6581] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6581] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6582] COND FALSE !(\read(tmp___7)) VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp___7=0] [L6584] CALL ldv_error() VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5554] reach_error() VAL [__this_module={1383385901691737259033020:1383385901691737259033038}, cisco_header_ops={17:0}, jiffies=18446744073709476623, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 489 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.1s, OverallIterations: 6, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3918 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3675 mSDsluCounter, 14179 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10764 mSDsCounter, 1027 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4486 IncrementalHoareTripleChecker+Invalid, 5513 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1027 mSolverCounterUnsat, 3415 mSDtfsCounter, 4486 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 295 GetRequests, 251 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1954occurred in iteration=5, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 506 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 781 NumberOfCodeBlocks, 781 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 592 ConstructedInterpolants, 0 QuantifiedInterpolants, 1364 SizeOfPredicates, 2 NumberOfNonLiveVariables, 961 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 540/544 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 [2022-11-02 20:51:40,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/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_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc --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 aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:51:42,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:51:42,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:51:42,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:51:42,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:51:42,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:51:42,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:51:42,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:51:42,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:51:42,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:51:42,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:51:42,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:51:42,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:51:42,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:51:42,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:51:42,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:51:42,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:51:42,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:51:42,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:51:42,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:51:42,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:51:42,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:51:42,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:51:42,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:51:42,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:51:42,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:51:42,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:51:42,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:51:42,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:51:42,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:51:42,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:51:42,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:51:42,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:51:42,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:51:42,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:51:42,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:51:42,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:51:42,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:51:42,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:51:42,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:51:42,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:51:42,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:51:42,926 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:51:42,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:51:42,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:51:42,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:51:42,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:51:42,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:51:42,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:51:42,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:51:42,932 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:51:42,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:51:42,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:51:42,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:51:42,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:51:42,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:51:42,935 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:51:42,935 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:51:42,935 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:51:42,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:51:42,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:51:42,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:51:42,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:51:42,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:51:42,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:51:42,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:51:42,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:51:42,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:51:42,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:51:42,938 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:51:42,938 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:51:42,939 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:51:42,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:51:42,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:51:42,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:51:42,940 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_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa96c32cec5c31a75c9cdd0122db38bdeb379765e4b6aca9c91d1bb4fedaed44 [2022-11-02 20:51:43,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:51:43,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:51:43,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:51:43,372 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:51:43,373 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:51:43,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-11-02 20:51:43,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/data/1085d1efd/22885cbebb0441e58244201b1e5fab48/FLAG60f6ddc54 [2022-11-02 20:51:44,346 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:51:44,346 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-11-02 20:51:44,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/data/1085d1efd/22885cbebb0441e58244201b1e5fab48/FLAG60f6ddc54 [2022-11-02 20:51:44,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/data/1085d1efd/22885cbebb0441e58244201b1e5fab48 [2022-11-02 20:51:44,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:51:44,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:51:44,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:51:44,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:51:44,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:51:44,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:51:44" (1/1) ... [2022-11-02 20:51:44,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e5fab9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:44, skipping insertion in model container [2022-11-02 20:51:44,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:51:44" (1/1) ... [2022-11-02 20:51:44,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:51:44,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:51:46,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-11-02 20:51:46,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:51:46,393 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-02 20:51:46,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:51:46,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-11-02 20:51:46,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:51:46,691 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:51:46,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i[158033,158046] [2022-11-02 20:51:47,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:51:47,113 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:51:47,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47 WrapperNode [2022-11-02 20:51:47,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:51:47,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:51:47,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:51:47,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:51:47,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (1/1) ... [2022-11-02 20:51:47,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (1/1) ... [2022-11-02 20:51:47,256 INFO L138 Inliner]: procedures = 158, calls = 357, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 1390 [2022-11-02 20:51:47,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:51:47,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:51:47,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:51:47,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:51:47,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (1/1) ... [2022-11-02 20:51:47,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (1/1) ... [2022-11-02 20:51:47,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (1/1) ... [2022-11-02 20:51:47,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (1/1) ... [2022-11-02 20:51:47,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (1/1) ... [2022-11-02 20:51:47,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (1/1) ... [2022-11-02 20:51:47,353 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (1/1) ... [2022-11-02 20:51:47,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (1/1) ... [2022-11-02 20:51:47,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:51:47,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:51:47,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:51:47,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:51:47,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (1/1) ... [2022-11-02 20:51:47,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:51:47,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:51:47,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:51:47,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:51:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-02 20:51:47,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-02 20:51:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-02 20:51:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-02 20:51:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-02 20:51:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:51:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-02 20:51:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:51:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:51:47,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:51:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure state [2022-11-02 20:51:47,471 INFO L138 BoogieDeclarations]: Found implementation of procedure state [2022-11-02 20:51:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-02 20:51:47,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-02 20:51:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_ioctl [2022-11-02 20:51:47,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_ioctl [2022-11-02 20:51:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_rx [2022-11-02 20:51:47,472 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_rx [2022-11-02 20:51:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-02 20:51:47,472 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-02 20:51:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_type_trans [2022-11-02 20:51:47,472 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_type_trans [2022-11-02 20:51:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:51:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:51:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2022-11-02 20:51:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2022-11-02 20:51:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-02 20:51:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-02 20:51:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-02 20:51:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-02 20:51:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:51:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:51:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-02 20:51:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-02 20:51:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-02 20:51:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-02 20:51:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:51:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:51:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:51:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:51:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:51:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:51:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:51:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_hard_header [2022-11-02 20:51:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_hard_header [2022-11-02 20:51:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-02 20:51:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-02 20:51:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:51:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:51:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:51:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-02 20:51:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-02 20:51:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:51:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-02 20:51:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-02 20:51:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-02 20:51:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-02 20:51:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-02 20:51:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-02 20:51:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-02 20:51:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:51:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-02 20:51:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-02 20:51:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:51:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:51:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-02 20:51:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-02 20:51:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-02 20:51:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:51:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-02 20:51:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:51:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-02 20:51:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-02 20:51:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-02 20:51:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure cisco_keepalive_send [2022-11-02 20:51:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cisco_keepalive_send [2022-11-02 20:51:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-02 20:51:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-02 20:51:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:51:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:51:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:51:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:51:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:51:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:51:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-02 20:51:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2022-11-02 20:51:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2022-11-02 20:51:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:51:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:51:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-02 20:51:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-02 20:51:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:51:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:51:47,943 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:51:47,947 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:51:48,046 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:51:55,909 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:51:55,932 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:51:55,932 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:51:55,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:51:55 BoogieIcfgContainer [2022-11-02 20:51:55,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:51:55,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:51:55,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:51:55,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:51:55,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:51:44" (1/3) ... [2022-11-02 20:51:55,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282de5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:51:55, skipping insertion in model container [2022-11-02 20:51:55,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:51:47" (2/3) ... [2022-11-02 20:51:55,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282de5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:51:55, skipping insertion in model container [2022-11-02 20:51:55,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:51:55" (3/3) ... [2022-11-02 20:51:55,947 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_cisco.ko-entry_point.cil.out.i [2022-11-02 20:51:55,968 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:51:55,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:51:56,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:51:56,075 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;@3c65ca87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:51:56,076 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:51:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 488 states, 358 states have (on average 1.3715083798882681) internal successors, (491), 371 states have internal predecessors, (491), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-11-02 20:51:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-02 20:51:56,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:56,093 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:56,094 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:56,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:56,099 INFO L85 PathProgramCache]: Analyzing trace with hash -796223239, now seen corresponding path program 1 times [2022-11-02 20:51:56,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:51:56,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741589271] [2022-11-02 20:51:56,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:56,115 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:51:56,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:51:56,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:51:56,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-02 20:51:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:56,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:51:56,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:51:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-02 20:51:56,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:51:56,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:51:56,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741589271] [2022-11-02 20:51:56,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741589271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:56,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:56,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:51:56,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427078210] [2022-11-02 20:51:56,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:56,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:51:56,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:51:56,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:51:56,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:51:56,721 INFO L87 Difference]: Start difference. First operand has 488 states, 358 states have (on average 1.3715083798882681) internal successors, (491), 371 states have internal predecessors, (491), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-02 20:51:56,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:56,991 INFO L93 Difference]: Finished difference Result 1423 states and 2029 transitions. [2022-11-02 20:51:56,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:51:56,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2022-11-02 20:51:56,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:57,012 INFO L225 Difference]: With dead ends: 1423 [2022-11-02 20:51:57,012 INFO L226 Difference]: Without dead ends: 924 [2022-11-02 20:51:57,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:51:57,023 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 628 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:57,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1428 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:51:57,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2022-11-02 20:51:57,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 924. [2022-11-02 20:51:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 685 states have (on average 1.3562043795620438) internal successors, (929), 699 states have internal predecessors, (929), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-11-02 20:51:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1284 transitions. [2022-11-02 20:51:57,211 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1284 transitions. Word has length 47 [2022-11-02 20:51:57,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:57,212 INFO L495 AbstractCegarLoop]: Abstraction has 924 states and 1284 transitions. [2022-11-02 20:51:57,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-02 20:51:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1284 transitions. [2022-11-02 20:51:57,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-02 20:51:57,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:57,222 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:57,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:51:57,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:51:57,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:57,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:57,442 INFO L85 PathProgramCache]: Analyzing trace with hash 566714884, now seen corresponding path program 1 times [2022-11-02 20:51:57,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:51:57,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162516026] [2022-11-02 20:51:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:57,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:51:57,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:51:57,444 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:51:57,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-02 20:51:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:57,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-02 20:51:57,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:51:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-02 20:51:57,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:51:57,858 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:51:57,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162516026] [2022-11-02 20:51:57,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162516026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:57,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:57,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:51:57,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649201532] [2022-11-02 20:51:57,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:57,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:51:57,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:51:57,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:51:57,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:51:57,862 INFO L87 Difference]: Start difference. First operand 924 states and 1284 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-02 20:51:58,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:58,291 INFO L93 Difference]: Finished difference Result 1833 states and 2547 transitions. [2022-11-02 20:51:58,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:51:58,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2022-11-02 20:51:58,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:58,303 INFO L225 Difference]: With dead ends: 1833 [2022-11-02 20:51:58,304 INFO L226 Difference]: Without dead ends: 923 [2022-11-02 20:51:58,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:51:58,312 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 794 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:58,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 1453 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:51:58,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2022-11-02 20:51:58,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 923. [2022-11-02 20:51:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 684 states have (on average 1.3523391812865497) internal successors, (925), 698 states have internal predecessors, (925), 178 states have call successors, (178), 61 states have call predecessors, (178), 60 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2022-11-02 20:51:58,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1280 transitions. [2022-11-02 20:51:58,429 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1280 transitions. Word has length 50 [2022-11-02 20:51:58,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:58,430 INFO L495 AbstractCegarLoop]: Abstraction has 923 states and 1280 transitions. [2022-11-02 20:51:58,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-02 20:51:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1280 transitions. [2022-11-02 20:51:58,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-02 20:51:58,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:58,440 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-11-02 20:51:58,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:51:58,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:51:58,654 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:58,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:58,655 INFO L85 PathProgramCache]: Analyzing trace with hash -965053755, now seen corresponding path program 1 times [2022-11-02 20:51:58,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:51:58,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671282650] [2022-11-02 20:51:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:58,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:51:58,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:51:58,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:51:58,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-02 20:51:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:59,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:51:59,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:51:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-02 20:51:59,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:51:59,236 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:51:59,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671282650] [2022-11-02 20:51:59,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671282650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:59,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:59,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:51:59,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140407972] [2022-11-02 20:51:59,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:59,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:51:59,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:51:59,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:51:59,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:51:59,238 INFO L87 Difference]: Start difference. First operand 923 states and 1280 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:51:59,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:59,557 INFO L93 Difference]: Finished difference Result 2738 states and 3820 transitions. [2022-11-02 20:51:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:51:59,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2022-11-02 20:51:59,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:59,571 INFO L225 Difference]: With dead ends: 2738 [2022-11-02 20:51:59,572 INFO L226 Difference]: Without dead ends: 1824 [2022-11-02 20:51:59,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:51:59,583 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 627 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 2893 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:59,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 2893 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:51:59,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2022-11-02 20:51:59,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1824. [2022-11-02 20:51:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1824 states, 1353 states have (on average 1.3540280857354028) internal successors, (1832), 1381 states have internal predecessors, (1832), 350 states have call successors, (350), 121 states have call predecessors, (350), 120 states have return successors, (359), 349 states have call predecessors, (359), 349 states have call successors, (359) [2022-11-02 20:51:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 2541 transitions. [2022-11-02 20:51:59,762 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 2541 transitions. Word has length 71 [2022-11-02 20:51:59,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:59,764 INFO L495 AbstractCegarLoop]: Abstraction has 1824 states and 2541 transitions. [2022-11-02 20:51:59,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:51:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2541 transitions. [2022-11-02 20:51:59,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-02 20:51:59,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:59,775 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:59,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:00,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:52:00,000 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:00,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:00,001 INFO L85 PathProgramCache]: Analyzing trace with hash -574025911, now seen corresponding path program 1 times [2022-11-02 20:52:00,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:52:00,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271345656] [2022-11-02 20:52:00,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:00,003 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:52:00,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:52:00,004 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:52:00,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-02 20:52:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:00,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 20:52:00,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:52:00,744 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-02 20:52:00,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:52:00,744 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:52:00,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271345656] [2022-11-02 20:52:00,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271345656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:00,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:00,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:52:00,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150131417] [2022-11-02 20:52:00,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:00,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:52:00,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:52:00,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:52:00,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:52:00,747 INFO L87 Difference]: Start difference. First operand 1824 states and 2541 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:52:01,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:01,027 INFO L93 Difference]: Finished difference Result 3658 states and 5130 transitions. [2022-11-02 20:52:01,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:52:01,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2022-11-02 20:52:01,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:01,040 INFO L225 Difference]: With dead ends: 3658 [2022-11-02 20:52:01,041 INFO L226 Difference]: Without dead ends: 1848 [2022-11-02 20:52:01,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:52:01,049 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 2 mSDsluCounter, 1961 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2619 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:01,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2619 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:52:01,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2022-11-02 20:52:01,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 1844. [2022-11-02 20:52:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1844 states, 1367 states have (on average 1.3504023408924652) internal successors, (1846), 1397 states have internal predecessors, (1846), 350 states have call successors, (350), 121 states have call predecessors, (350), 126 states have return successors, (374), 353 states have call predecessors, (374), 349 states have call successors, (374) [2022-11-02 20:52:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1844 states and 2570 transitions. [2022-11-02 20:52:01,229 INFO L78 Accepts]: Start accepts. Automaton has 1844 states and 2570 transitions. Word has length 141 [2022-11-02 20:52:01,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:01,231 INFO L495 AbstractCegarLoop]: Abstraction has 1844 states and 2570 transitions. [2022-11-02 20:52:01,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 20:52:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 2570 transitions. [2022-11-02 20:52:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-02 20:52:01,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:01,244 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:52:01,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:01,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:52:01,466 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:01,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:01,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1293113785, now seen corresponding path program 1 times [2022-11-02 20:52:01,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:52:01,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [786731702] [2022-11-02 20:52:01,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:01,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:52:01,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:52:01,470 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:52:01,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-02 20:52:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:52:02,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-02 20:52:02,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:52:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-02 20:52:02,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:52:02,925 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-02 20:52:02,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [786731702] [2022-11-02 20:52:02,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [786731702] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:52:02,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:52:02,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-02 20:52:02,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400623810] [2022-11-02 20:52:02,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:52:02,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:52:02,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-02 20:52:02,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:52:02,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:52:02,927 INFO L87 Difference]: Start difference. First operand 1844 states and 2570 transitions. Second operand has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 9 states have internal predecessors, (88), 2 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-02 20:52:06,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:52:06,803 INFO L93 Difference]: Finished difference Result 3746 states and 5240 transitions. [2022-11-02 20:52:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:52:06,804 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 9 states have internal predecessors, (88), 2 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 2 states have call successors, (18) Word has length 148 [2022-11-02 20:52:06,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:52:06,817 INFO L225 Difference]: With dead ends: 3746 [2022-11-02 20:52:06,818 INFO L226 Difference]: Without dead ends: 1916 [2022-11-02 20:52:06,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:52:06,825 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 36 mSDsluCounter, 6606 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 7275 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:52:06,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 7275 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-02 20:52:06,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2022-11-02 20:52:06,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1884. [2022-11-02 20:52:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1884 states, 1397 states have (on average 1.340014316392269) internal successors, (1872), 1427 states have internal predecessors, (1872), 356 states have call successors, (356), 121 states have call predecessors, (356), 130 states have return successors, (386), 363 states have call predecessors, (386), 355 states have call successors, (386) [2022-11-02 20:52:06,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1884 states and 2614 transitions. [2022-11-02 20:52:06,978 INFO L78 Accepts]: Start accepts. Automaton has 1884 states and 2614 transitions. Word has length 148 [2022-11-02 20:52:06,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:52:06,978 INFO L495 AbstractCegarLoop]: Abstraction has 1884 states and 2614 transitions. [2022-11-02 20:52:06,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 9 states have internal predecessors, (88), 2 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 5 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-02 20:52:06,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2614 transitions. [2022-11-02 20:52:06,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-02 20:52:06,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:52:06,986 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 4, 4, 4, 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] [2022-11-02 20:52:07,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:07,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:52:07,203 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:52:07,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:52:07,203 INFO L85 PathProgramCache]: Analyzing trace with hash -669328497, now seen corresponding path program 1 times [2022-11-02 20:52:07,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-02 20:52:07,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971524744] [2022-11-02 20:52:07,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:52:07,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-02 20:52:07,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat [2022-11-02 20:52:07,209 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-02 20:52:07,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-02 20:52:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:52:09,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:52:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:52:12,358 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-02 20:52:12,359 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-02 20:52:12,360 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:52:12,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:52:12,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 [2022-11-02 20:52:12,589 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-02 20:52:12,600 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:52:12,661 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,662 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,664 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,665 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,665 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,665 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:52:12 BoogieIcfgContainer [2022-11-02 20:52:12,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:52:12,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:52:12,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:52:12,904 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:52:12,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:51:55" (3/4) ... [2022-11-02 20:52:12,906 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-02 20:52:12,932 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,932 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,932 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,933 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,933 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,933 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,934 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,934 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,934 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:12,934 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-02 20:52:13,125 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:52:13,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:52:13,126 INFO L158 Benchmark]: Toolchain (without parser) took 28261.37ms. Allocated memory was 60.8MB in the beginning and 247.5MB in the end (delta: 186.6MB). Free memory was 31.4MB in the beginning and 126.4MB in the end (delta: -95.0MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. [2022-11-02 20:52:13,126 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:52:13,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2246.28ms. Allocated memory was 60.8MB in the beginning and 113.2MB in the end (delta: 52.4MB). Free memory was 31.1MB in the beginning and 53.7MB in the end (delta: -22.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2022-11-02 20:52:13,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.32ms. Allocated memory is still 113.2MB. Free memory was 53.7MB in the beginning and 45.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:52:13,128 INFO L158 Benchmark]: Boogie Preprocessor took 112.64ms. Allocated memory is still 113.2MB. Free memory was 45.8MB in the beginning and 55.0MB in the end (delta: -9.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-02 20:52:13,128 INFO L158 Benchmark]: RCFGBuilder took 8566.80ms. Allocated memory was 113.2MB in the beginning and 167.8MB in the end (delta: 54.5MB). Free memory was 55.0MB in the beginning and 104.3MB in the end (delta: -49.3MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2022-11-02 20:52:13,129 INFO L158 Benchmark]: TraceAbstraction took 16963.27ms. Allocated memory was 167.8MB in the beginning and 247.5MB in the end (delta: 79.7MB). Free memory was 104.3MB in the beginning and 164.1MB in the end (delta: -59.8MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2022-11-02 20:52:13,129 INFO L158 Benchmark]: Witness Printer took 222.29ms. Allocated memory is still 247.5MB. Free memory was 164.1MB in the beginning and 126.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-02 20:52:13,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2246.28ms. Allocated memory was 60.8MB in the beginning and 113.2MB in the end (delta: 52.4MB). Free memory was 31.1MB in the beginning and 53.7MB in the end (delta: -22.6MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.32ms. Allocated memory is still 113.2MB. Free memory was 53.7MB in the beginning and 45.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.64ms. Allocated memory is still 113.2MB. Free memory was 45.8MB in the beginning and 55.0MB in the end (delta: -9.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * RCFGBuilder took 8566.80ms. Allocated memory was 113.2MB in the beginning and 167.8MB in the end (delta: 54.5MB). Free memory was 55.0MB in the beginning and 104.3MB in the end (delta: -49.3MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * TraceAbstraction took 16963.27ms. Allocated memory was 167.8MB in the beginning and 247.5MB in the end (delta: 79.7MB). Free memory was 104.3MB in the beginning and 164.1MB in the end (delta: -59.8MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. * Witness Printer took 222.29ms. Allocated memory is still 247.5MB. Free memory was 164.1MB in the beginning and 126.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 5554]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5577] int LDV_IN_INTERRUPT = 1; [L5578] struct sk_buff *proto_group1 ; [L5579] int ldv_state_variable_0 ; [L5580] int ldv_state_variable_3 ; [L5581] int ldv_timer_state_1 = 0; [L5582] int ldv_state_variable_2 ; [L5583] struct net_device *proto_group0 ; [L5584] int ref_cnt ; [L5585] int ldv_state_variable_1 ; [L5586] struct timer_list *ldv_timer_list_1 ; [L5964-L5966] static struct hdlc_proto proto = {0, 0, & cisco_start, & cisco_stop, 0, & cisco_ioctl, & cisco_type_trans, & cisco_rx, 0, & __this_module, 0}; [L5967] static struct header_ops const cisco_header_ops = {& cisco_hard_header, 0, 0, 0, 0}; [L6078] int ldv_retval_0 ; [L6374] Element set_impl[15] ; [L6375] int last_index = 0; [L6509] Set LDV_SKBS ; VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6142] struct ifreq *ldvarg0 ; [L6143] void *tmp ; [L6144] unsigned int ldvarg1 ; [L6145] unsigned int tmp___0 ; [L6146] unsigned short ldvarg4 ; [L6147] unsigned short tmp___1 ; [L6148] struct sk_buff *ldvarg3 ; [L6149] void *tmp___2 ; [L6150] struct net_device *ldvarg5 ; [L6151] void *tmp___3 ; [L6152] void *ldvarg2 ; [L6153] void *tmp___4 ; [L6154] void *ldvarg6 ; [L6155] void *tmp___5 ; [L6156] int tmp___6 ; [L6157] int tmp___7 ; [L6158] int tmp___8 ; [L6159] int tmp___9 ; VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6161] CALL, EXPR ldv_zalloc(40UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=40, \result={0:0}, __this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=40, tmp___0=2147483648] [L6161] RET, EXPR ldv_zalloc(40UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(40UL)={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6161] tmp = ldv_zalloc(40UL) [L6162] ldvarg0 = (struct ifreq *)tmp [L6163] tmp___0 = __VERIFIER_nondet_uint() [L6164] ldvarg1 = tmp___0 [L6165] tmp___1 = __VERIFIER_nondet_ushort() [L6166] ldvarg4 = tmp___1 VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=5, ldvarg4=5, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5] [L6167] CALL, EXPR ldv_zalloc(232UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=232, tmp___0=2147483648] [L6167] RET, EXPR ldv_zalloc(232UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(232UL)={0:0}, ldvarg0={0:0}, ldvarg1=5, ldvarg4=5, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5] [L6167] tmp___2 = ldv_zalloc(232UL) [L6168] ldvarg3 = (struct sk_buff *)tmp___2 VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=5, ldvarg3={0:0}, ldvarg4=5, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}] [L6169] CALL, EXPR ldv_zalloc(3264UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=3264, \result={0:0}, __this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=3264, tmp___0=2147483648] [L6169] RET, EXPR ldv_zalloc(3264UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(3264UL)={0:0}, ldvarg0={0:0}, ldvarg1=5, ldvarg3={0:0}, ldvarg4=5, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}] [L6169] tmp___3 = ldv_zalloc(3264UL) [L6170] ldvarg5 = (struct net_device *)tmp___3 VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=5, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}] [L6171] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=1, tmp___0=2147483648] [L6171] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1=5, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}] [L6171] tmp___4 = ldv_zalloc(1UL) [L6172] ldvarg2 = tmp___4 VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=5, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}] [L6173] CALL, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=1, tmp___0=2147483648] [L6173] RET, EXPR ldv_zalloc(1UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(1UL)={0:0}, ldvarg0={0:0}, ldvarg1=5, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}] [L6173] tmp___5 = ldv_zalloc(1UL) [L6174] ldvarg6 = tmp___5 [L6175] CALL ldv_initialize() [L6528] CALL ldv_set_init(LDV_SKBS) [L6380] set = set_impl [L6381] last_index = 0 VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={18:0}, set_impl={18:0}] [L6528] RET ldv_set_init(LDV_SKBS) [L6175] RET ldv_initialize() [L6176] ldv_state_variable_1 = 1 [L6177] ref_cnt = 0 [L6178] ldv_state_variable_0 = 1 [L6179] ldv_state_variable_3 = 0 [L6180] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=5, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}] [L6182] tmp___6 = __VERIFIER_nondet_int() [L6184] case 0: [L6190] case 1: VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=5, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1] [L6191] COND TRUE ldv_state_variable_0 != 0 [L6192] tmp___7 = __VERIFIER_nondet_int() [L6194] case 0: [L6202] case 1: VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=5, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=1] [L6203] COND TRUE ldv_state_variable_0 == 1 [L6204] CALL, EXPR mod_init() [L6067] FCALL register_hdlc_protocol(& proto) [L6068] return (0); VAL [\result=0, __this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6204] RET, EXPR mod_init() [L6204] ldv_retval_0 = mod_init() [L6205] COND TRUE ldv_retval_0 == 0 [L6206] ldv_state_variable_0 = 3 [L6207] ldv_state_variable_2 = 1 [L6208] ldv_state_variable_3 = 1 [L6209] CALL ldv_initialize_hdlc_proto_3() [L6101] void *tmp ; [L6102] void *tmp___0 ; VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6104] CALL, EXPR ldv_zalloc(232UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=232, tmp___0=2147483648] [L6104] RET, EXPR ldv_zalloc(232UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(232UL)={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6104] tmp = ldv_zalloc(232UL) [L6105] proto_group1 = (struct sk_buff *)tmp VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}] [L6106] CALL, EXPR ldv_zalloc(3264UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND TRUE tmp___0 != 0 [L5525] return ((void *)0); VAL [\old(size)=3264, \result={0:0}, __this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=3264, tmp___0=2147483648] [L6106] RET, EXPR ldv_zalloc(3264UL) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(3264UL)={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}] [L6106] tmp___0 = ldv_zalloc(3264UL) [L6107] proto_group0 = (struct net_device *)tmp___0 VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0={0:0}] [L6209] RET ldv_initialize_hdlc_proto_3() [L6212] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=5, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=1] [L6182] tmp___6 = __VERIFIER_nondet_int() [L6184] case 0: VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldvarg0={0:0}, ldvarg1=5, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=0, tmp___7=1] [L6185] COND TRUE ldv_state_variable_1 != 0 [L6186] CALL choose_timer_1(ldv_timer_list_1) [L6114] LDV_IN_INTERRUPT = 2 [L6115] EXPR timer->data [L6115] EXPR timer->function [L6115] CALL (*(timer->function))(timer->data) [L5877] struct net_device *dev ; [L5878] hdlc_device *hdlc ; [L5879] struct hdlc_device *tmp ; [L5880] struct cisco_state *st ; [L5881] struct cisco_state *tmp___0 ; [L5882] __u32 tmp___1 ; [L5883] __u32 tmp___2 ; [L5885] dev = (struct net_device *)arg VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5886] CALL, EXPR dev_to_hdlc(dev) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5638] void *tmp ; [L5640] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5595] return ((void *)dev + 3264U); VAL [\result={0:3264}, __this_module={0:0}, cisco_header_ops={17:0}, dev={0:0}, dev={0:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5640] RET, EXPR netdev_priv((struct net_device const *)dev) [L5640] tmp = netdev_priv((struct net_device const *)dev) [L5641] return ((struct hdlc_device *)tmp); VAL [\result={0:3264}, __this_module={0:0}, cisco_header_ops={17:0}, dev={0:0}, dev={0:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:3264}] [L5886] RET, EXPR dev_to_hdlc(dev) VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, dev_to_hdlc(dev)={0:3264}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5886] tmp = dev_to_hdlc(dev) [L5887] hdlc = tmp VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:3264}] [L5888] CALL, EXPR state(hdlc) VAL [__this_module={0:0}, cisco_header_ops={17:0}, hdlc={0:3264}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5670] EXPR hdlc->state [L5670] return ((struct cisco_state *)hdlc->state); [L5888] RET, EXPR state(hdlc) VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, state(hdlc)={32:0}, tmp={0:3264}] [L5888] tmp___0 = state(hdlc) [L5889] st = tmp___0 VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={32:0}, tmp={0:3264}, tmp___0={32:0}] [L5890] CALL spin_lock(& st->lock) VAL [__this_module={0:0}, cisco_header_ops={17:0}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5263] FCALL _raw_spin_lock(& lock->ldv_6338.rlock) [L5890] RET spin_lock(& st->lock) VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={32:0}, tmp={0:3264}, tmp___0={32:0}] [L5891] EXPR st->up [L5891] st->up != 0 && (long )((st->last_poll + (unsigned long )(st->settings.timeout * 250U)) - (unsigned long )jiffies) < 0L [L5891] EXPR st->last_poll [L5891] EXPR st->settings.timeout [L5891] st->up != 0 && (long )((st->last_poll + (unsigned long )(st->settings.timeout * 250U)) - (unsigned long )jiffies) < 0L VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={32:0}, st->last_poll=0, st->settings.timeout=134217728, st->up=2, st->up != 0 && (long )((st->last_poll + (unsigned long )(st->settings.timeout * 250U)) - (unsigned long )jiffies) < 0L=0, tmp={0:3264}, tmp___0={32:0}] [L5891] COND FALSE !(st->up != 0 && (long )((st->last_poll + (unsigned long )(st->settings.timeout * 250U)) - (unsigned long )jiffies) < 0L) [L5897] EXPR st->rxseq VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={32:0}, st->rxseq=0, tmp={0:3264}, tmp___0={32:0}] [L5897] CALL, EXPR __fswab32(st->rxseq) VAL [__this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); VAL [\old(val)=0, \result=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, val=0] [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); VAL [\old(val)=0, \result=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp=0, val=0] [L5897] RET, EXPR __fswab32(st->rxseq) VAL [\old(arg)=0, __fswab32(st->rxseq)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={32:0}, st->rxseq=0, tmp={0:3264}, tmp___0={32:0}] [L5897] tmp___1 = __fswab32(st->rxseq) [L5898] EXPR st->txseq [L5898] st->txseq = st->txseq + 1U [L5899] EXPR st->txseq VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={32:0}, st->txseq=32768, tmp={0:3264}, tmp___0={32:0}, tmp___1=0] [L5899] CALL, EXPR __fswab32(st->txseq) VAL [__this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); VAL [\old(val)=32768, \result=32768, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, val=32768] [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); VAL [\old(val)=32768, \result=32768, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp=32768, val=32768] [L5899] RET, EXPR __fswab32(st->txseq) VAL [\old(arg)=0, __fswab32(st->txseq)=32768, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={32:0}, st->txseq=32768, tmp={0:3264}, tmp___0={32:0}, tmp___1=0] [L5899] tmp___2 = __fswab32(st->txseq) [L5900] CALL cisco_keepalive_send(dev, 2U, tmp___2, tmp___1) VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5695] struct sk_buff *skb ; [L5696] struct cisco_packet *data ; [L5697] __u32 tmp ; [L5698] __u32 tmp___0 ; [L5700] CALL, EXPR ldv_dev_alloc_skb_12(22U) [L6356] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=22, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, length=22, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6358] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6512] void *skb ; [L6513] void *tmp___7 ; VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6515] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5519] void *p ; [L5520] void *tmp ; [L5521] int tmp___0 ; [L5523] tmp___0 = __VERIFIER_nondet_int() [L5524] COND FALSE !(tmp___0 != 0) [L5527] EXPR, FCALL calloc(1UL, size) [L5527] tmp = calloc(1UL, size) [L5528] p = tmp VAL [\old(last_index)=0, \old(size)=248, __this_module={0:0}, calloc(1UL, size)={30:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, p={30:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=248, tmp={30:0}, tmp___0=0] [L5529] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5498] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, cond=1, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5529] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __this_module={0:0}, calloc(1UL, size)={30:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, p={30:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=248, tmp={30:0}, tmp___0=0] [L5530] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={30:0}, __this_module={0:0}, calloc(1UL, size)={30:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, p={30:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=248, tmp={30:0}, tmp___0=0] [L6515] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, ldv_zalloc(sizeof(struct sk_buff___0 ))={30:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6515] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L6516] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={30:0}, tmp___7={30:0}] [L6517] COND FALSE !(! skb) [L6520] CALL ldv_set_add(LDV_SKBS, skb) [L6388] int i ; [L6390] i = 0 VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, e={30:0}, e={30:0}, i=0, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6391] COND TRUE 1 VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, e={30:0}, e={30:0}, i=0, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6392] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, e={30:0}, e={30:0}, i=0, jiffies=0, last_index=0, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6402] COND TRUE last_index < 15 [L6403] set_impl[last_index] = e [L6404] last_index = last_index + 1 VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, e={30:0}, e={30:0}, i=0, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6520] RET ldv_set_add(LDV_SKBS, skb) [L6521] return (skb); VAL [\old(last_index)=0, \result={30:0}, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={30:0}, tmp___7={30:0}] [L6358] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=22, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, ldv_skb_alloc()={30:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, length=22, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6358] tmp = ldv_skb_alloc() [L6359] return (tmp); VAL [\old(last_index)=0, \old(length)=22, \result={30:0}, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, length=22, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={30:0}] [L5700] RET, EXPR ldv_dev_alloc_skb_12(22U) [L5700] skb = ldv_dev_alloc_skb_12(22U) [L5701] COND FALSE !((unsigned long )skb == (unsigned long )((struct sk_buff *)0)) [L5706] CALL skb_reserve(skb, 4) [L5475] EXPR skb->data [L5475] skb->data = skb->data + (unsigned long )len [L5476] EXPR skb->tail [L5476] skb->tail = skb->tail + (sk_buff_data_t )len [L5706] RET skb_reserve(skb, 4) [L5707] CALL cisco_hard_header(skb, dev, 32821, (void const *)0, (void const *)0, 0U) VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5676] struct hdlc_header *data ; [L5677] __u16 tmp ; [L5679] CALL skb_push(skb, 4U) [L6687] CALL, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(last_index)=0, \old(size)=1, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5502] void *p ; [L5503] void *tmp ; [L5504] int tmp___0 ; [L5506] tmp___0 = __VERIFIER_nondet_int() [L5507] COND TRUE tmp___0 != 0 [L5508] return ((void *)0); VAL [\old(last_index)=0, \old(size)=1, \result={0:0}, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, size=1, tmp___0=2147483648] [L6687] RET, EXPR ldv_malloc(sizeof(unsigned char)) VAL [\old(arg1)=4, \old(last_index)=0, __this_module={0:0}, arg0={30:0}, arg0={30:0}, arg1=4, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_malloc(sizeof(unsigned char))={0:0}, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L6687] return ldv_malloc(sizeof(unsigned char)); [L5679] RET skb_push(skb, 4U) [L5680] EXPR skb->data [L5680] data = (struct hdlc_header *)skb->data [L5681] COND TRUE (unsigned int )type == 32821U [L5682] data->address = 143U VAL [\old(last_index)=0, \old(len)=0, \old(type)=32821, __this_module={0:0}, cisco_header_ops={17:0}, daddr={0:0}, daddr={0:0}, data={0:0}, dev={0:0}, dev={0:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, len=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, saddr={0:0}, saddr={0:0}, set_impl={18:0}, skb={30:0}, skb={30:0}, type=32821] [L5686] data->control = 0U VAL [\old(last_index)=0, \old(len)=0, \old(type)=32821, __this_module={0:0}, cisco_header_ops={17:0}, daddr={0:0}, daddr={0:0}, data={0:0}, dev={0:0}, dev={0:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, len=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, saddr={0:0}, saddr={0:0}, set_impl={18:0}, skb={30:0}, skb={30:0}, type=32821] [L5687] CALL, EXPR __fswab16((int )type) VAL [\old(last_index)=0, \old(val)=32821, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5123] return ((__u16 )((int )((short )((int )val << 8)) | (int )((short )((int )val >> 8)))); VAL [\old(last_index)=0, \old(val)=32821, \result=13696, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, val=32821] [L5687] RET, EXPR __fswab16((int )type) VAL [\old(last_index)=0, \old(len)=0, \old(type)=32821, __fswab16((int )type)=13696, __this_module={0:0}, cisco_header_ops={17:0}, daddr={0:0}, daddr={0:0}, data={0:0}, dev={0:0}, dev={0:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, len=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, saddr={0:0}, saddr={0:0}, set_impl={18:0}, skb={30:0}, skb={30:0}, type=32821] [L5687] tmp = __fswab16((int )type) [L5688] data->protocol = tmp [L5689] return (4); VAL [\old(last_index)=0, \old(len)=0, \old(type)=32821, \result=4, __this_module={0:0}, cisco_header_ops={17:0}, daddr={0:0}, daddr={0:0}, data={0:0}, dev={0:0}, dev={0:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, len=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, saddr={0:0}, saddr={0:0}, set_impl={18:0}, skb={30:0}, skb={30:0}, tmp=13696, type=32821] [L5707] RET cisco_hard_header(skb, dev, 32821, (void const *)0, (void const *)0, 0U) VAL [\old(last_index)=0, \old(par1)=32768, \old(par2)=0, \old(type)=2, __this_module={0:0}, cisco_hard_header(skb, dev, 32821, (void const *)0, (void const *)0, 0U)=4, cisco_header_ops={17:0}, dev={0:0}, dev={0:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=32768, par2=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={30:0}, type=2] [L5708] EXPR skb->data [L5708] data = (struct cisco_packet *)skb->data + 4U [L5709] CALL, EXPR __fswab32(type) VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); VAL [\old(last_index)=0, \old(val)=2, \result=2, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, val=2] [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); VAL [\old(last_index)=0, \old(val)=2, \result=2, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp=2, val=2] [L5709] RET, EXPR __fswab32(type) VAL [\old(last_index)=0, \old(par1)=32768, \old(par2)=0, \old(type)=2, __fswab32(type)=2, __this_module={0:0}, cisco_header_ops={17:0}, data={0:72}, dev={0:0}, dev={0:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=32768, par2=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={30:0}, type=2] [L5709] tmp = __fswab32(type) [L5710] data->type = tmp [L5711] data->par1 = par1 [L5712] data->par2 = par2 [L5713] data->rel = 65535U VAL [\old(last_index)=0, \old(par1)=32768, \old(par2)=0, \old(type)=2, __this_module={0:0}, cisco_header_ops={17:0}, data={0:72}, dev={0:0}, dev={0:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=32768, par2=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={30:0}, tmp=2, type=2] [L5714] CALL, EXPR __fswab32(((__u32 )jiffies + 75000U) * 4U) VAL [\old(last_index)=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5128] __u32 tmp ; [L5130] CALL, EXPR __arch_swab32(val) [L5117] return (val); VAL [\old(last_index)=0, \old(val)=300000, \result=300000, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, val=300000] [L5130] RET, EXPR __arch_swab32(val) [L5130] tmp = __arch_swab32(val) [L5131] return (tmp); VAL [\old(last_index)=0, \old(val)=300000, \result=300000, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp=300000, val=300000] [L5714] RET, EXPR __fswab32(((__u32 )jiffies + 75000U) * 4U) VAL [\old(last_index)=0, \old(par1)=32768, \old(par2)=0, \old(type)=2, __fswab32(((__u32 )jiffies + 75000U) * 4U)=300000, __this_module={0:0}, cisco_header_ops={17:0}, data={0:72}, dev={0:0}, dev={0:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, par1=32768, par2=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, skb={30:0}, tmp=2, type=2] [L5714] tmp___0 = __fswab32(((__u32 )jiffies + 75000U) * 4U) [L5715] data->time = tmp___0 [L5716] CALL skb_put(skb, 18U) [L6690] EXPR arg0->data [L6690] EXPR arg0->tail [L6690] unsigned char *ret_val = arg0->data + arg0->tail; [L6691] EXPR arg0->tail [L6691] arg0->tail += arg1 [L6692] return ret_val; VAL [\old(arg1)=18, \old(last_index)=0, \result={0:4}, __this_module={0:0}, arg0={30:0}, arg0={30:0}, arg1=18, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, ret_val={0:4}, set_impl={18:0}] [L5716] RET skb_put(skb, 18U) [L5717] skb->priority = 7U [L5718] skb->dev = dev [L5719] CALL skb_reset_network_header(skb) [L5483] EXPR skb->data [L5483] EXPR skb->head [L5483] skb->network_header = (int )((__u16 )((long )skb->data)) - (int )((__u16 )((long )skb->head)) [L5719] RET skb_reset_network_header(skb) [L5720] CALL dev_queue_xmit(skb) [L6643] return __VERIFIER_nondet_int(); [L5720] RET dev_queue_xmit(skb) [L5900] RET cisco_keepalive_send(dev, 2U, tmp___2, tmp___1) VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={32:0}, tmp={0:3264}, tmp___0={32:0}, tmp___1=0, tmp___2=32768] [L5901] CALL spin_unlock(& st->lock) VAL [__this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5270] FCALL _raw_spin_unlock(& lock->ldv_6338.rlock) [L5901] RET spin_unlock(& st->lock) VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={32:0}, tmp={0:3264}, tmp___0={32:0}, tmp___1=0, tmp___2=32768] [L5902] EXPR st->settings.interval [L5902] st->timer.expires = (unsigned long )(st->settings.interval * 250U) + (unsigned long )jiffies [L5903] st->timer.function = & cisco_timer [L5904] st->timer.data = arg VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={32:0}, tmp={0:3264}, tmp___0={32:0}, tmp___1=0, tmp___2=32768] [L5905] FCALL add_timer(& st->timer) VAL [\old(arg)=0, __this_module={0:0}, arg=0, cisco_header_ops={17:0}, dev={0:0}, hdlc={0:3264}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=2, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=0, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, st={32:0}, tmp={0:3264}, tmp___0={32:0}, tmp___1=0, tmp___2=32768] [L6115] RET (*(timer->function))(timer->data) [L6116] LDV_IN_INTERRUPT = 1 [L6117] ldv_timer_state_1 = 2 VAL [__this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, timer={0:0}, timer={0:0}] [L6186] RET choose_timer_1(ldv_timer_list_1) [L6182] tmp___6 = __VERIFIER_nondet_int() [L6184] case 0: [L6190] case 1: VAL [__this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ldvarg0={0:0}, ldvarg1=5, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=1] [L6191] COND TRUE ldv_state_variable_0 != 0 [L6192] tmp___7 = __VERIFIER_nondet_int() [L6194] case 0: VAL [__this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ldvarg0={0:0}, ldvarg1=5, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=0] [L6195] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L6196] CALL mod_exit() [L6074] FCALL unregister_hdlc_protocol(& proto) [L6196] RET mod_exit() [L6197] ldv_state_variable_0 = 2 VAL [__this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, ldvarg0={0:0}, ldvarg1=5, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=5, ldvarg5={0:0}, ldvarg6={0:0}, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp={0:0}, tmp___0=5, tmp___1=5, tmp___2={0:0}, tmp___3={0:0}, tmp___4={0:0}, tmp___5={0:0}, tmp___6=1, tmp___7=0] [L6315] CALL ldv_check_final_state() [L6579] int tmp___7 ; [L6581] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L6470] return (last_index == 0); VAL [\result=0, __this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={18:0}] [L6581] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L6581] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6582] COND FALSE !(\read(tmp___7)) VAL [__this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}, tmp___7=0] [L6584] CALL ldv_error() VAL [__this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] [L5554] reach_error() VAL [__this_module={0:0}, cisco_header_ops={17:0}, jiffies=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_timer_list_1={0:0}, ldv_timer_state_1=2, proto={16:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={18:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 489 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.6s, OverallIterations: 6, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2090 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2087 mSDsluCounter, 15668 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12041 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 275 IncrementalHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 3627 mSDtfsCounter, 275 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1884occurred in iteration=5, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 36 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 640 NumberOfCodeBlocks, 640 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 646 SizeOfPredicates, 16 NumberOfNonLiveVariables, 2034 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 419/419 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:52:13,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_373194a0-9621-4c94-8631-ec0abab66449/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE