./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:39:24,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:39:24,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:39:24,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:39:24,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:39:24,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:39:24,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:39:24,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:39:24,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:39:24,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:39:24,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:39:24,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:39:24,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:39:24,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:39:24,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:39:24,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:39:24,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:39:24,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:39:24,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:39:24,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:39:24,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:39:24,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:39:24,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:39:24,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:39:24,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:39:24,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:39:24,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:39:24,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:39:24,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:39:24,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:39:24,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:39:24,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:39:24,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:39:24,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:39:24,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:39:24,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:39:24,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:39:24,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:39:24,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:39:24,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:39:24,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:39:24,412 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 15:39:24,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:39:24,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:39:24,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:39:24,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:39:24,435 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:39:24,435 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:39:24,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:39:24,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:39:24,436 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:39:24,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:39:24,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:39:24,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:39:24,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:39:24,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:39:24,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:39:24,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:39:24,437 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:39:24,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:39:24,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:39:24,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:39:24,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:39:24,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:39:24,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:39:24,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:39:24,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:39:24,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:39:24,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:39:24,439 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:39:24,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:39:24,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:39:24,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:39:24,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-12-21 15:39:24,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:39:24,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:39:24,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:39:24,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:39:24,619 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:39:24,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-21 15:39:24,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bbccd599/6f01c9e1678749df9b9e8e7f152e6515/FLAG92cc0db20 [2021-12-21 15:39:25,291 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:39:25,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-21 15:39:25,334 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bbccd599/6f01c9e1678749df9b9e8e7f152e6515/FLAG92cc0db20 [2021-12-21 15:39:25,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bbccd599/6f01c9e1678749df9b9e8e7f152e6515 [2021-12-21 15:39:25,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:39:25,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:39:25,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:39:25,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:39:25,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:39:25,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:39:25" (1/1) ... [2021-12-21 15:39:25,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a78ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:25, skipping insertion in model container [2021-12-21 15:39:25,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:39:25" (1/1) ... [2021-12-21 15:39:25,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:39:25,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:39:27,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-12-21 15:39:27,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:39:27,122 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:39:27,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-12-21 15:39:27,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:39:27,503 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:39:27,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27 WrapperNode [2021-12-21 15:39:27,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:39:27,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:39:27,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:39:27,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:39:27,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27" (1/1) ... [2021-12-21 15:39:27,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27" (1/1) ... [2021-12-21 15:39:27,710 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4213 [2021-12-21 15:39:27,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:39:27,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:39:27,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:39:27,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:39:27,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27" (1/1) ... [2021-12-21 15:39:27,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27" (1/1) ... [2021-12-21 15:39:27,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27" (1/1) ... [2021-12-21 15:39:27,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27" (1/1) ... [2021-12-21 15:39:27,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27" (1/1) ... [2021-12-21 15:39:27,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27" (1/1) ... [2021-12-21 15:39:27,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27" (1/1) ... [2021-12-21 15:39:27,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:39:27,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:39:27,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:39:27,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:39:27,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27" (1/1) ... [2021-12-21 15:39:27,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:39:27,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:39:27,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:39:27,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:39:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-21 15:39:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-21 15:39:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-21 15:39:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-21 15:39:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-21 15:39:27,937 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-21 15:39:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-21 15:39:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-21 15:39:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-21 15:39:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-21 15:39:27,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-21 15:39:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 15:39:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-21 15:39:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-21 15:39:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 15:39:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-21 15:39:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-21 15:39:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-21 15:39:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-21 15:39:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-21 15:39:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-21 15:39:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-21 15:39:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-21 15:39:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-21 15:39:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-21 15:39:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 15:39:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 15:39:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-21 15:39:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-21 15:39:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 15:39:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 15:39:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 15:39:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 15:39:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-12-21 15:39:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-12-21 15:39:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-21 15:39:27,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-21 15:39:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-21 15:39:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-21 15:39:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-21 15:39:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-21 15:39:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 15:39:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 15:39:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-12-21 15:39:27,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-12-21 15:39:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-21 15:39:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-21 15:39:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-21 15:39:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-21 15:39:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-21 15:39:27,943 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-21 15:39:27,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 15:39:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 15:39:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-21 15:39:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-21 15:39:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 15:39:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 15:39:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-21 15:39:27,944 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-21 15:39:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-21 15:39:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-21 15:39:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-21 15:39:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-21 15:39:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-12-21 15:39:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-12-21 15:39:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:39:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 15:39:27,945 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 15:39:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-21 15:39:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-21 15:39:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 15:39:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-21 15:39:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-21 15:39:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 15:39:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 15:39:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-21 15:39:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-21 15:39:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:39:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 15:39:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-21 15:39:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-21 15:39:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-21 15:39:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-21 15:39:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-21 15:39:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-21 15:39:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 15:39:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 15:39:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-21 15:39:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-21 15:39:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-21 15:39:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-21 15:39:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-12-21 15:39:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-12-21 15:39:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 15:39:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 15:39:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 15:39:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 15:39:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 15:39:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 15:39:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-21 15:39:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-21 15:39:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-21 15:39:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-21 15:39:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 15:39:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 15:39:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-21 15:39:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-21 15:39:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 15:39:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-21 15:39:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-21 15:39:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-21 15:39:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-21 15:39:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 15:39:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 15:39:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-21 15:39:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-21 15:39:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 15:39:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-12-21 15:39:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-12-21 15:39:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-21 15:39:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-21 15:39:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-21 15:39:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-21 15:39:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:39:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 15:39:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 15:39:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-21 15:39:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-21 15:39:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-21 15:39:27,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-21 15:39:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-21 15:39:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-21 15:39:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-21 15:39:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-21 15:39:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-21 15:39:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-21 15:39:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-21 15:39:27,954 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-21 15:39:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 15:39:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 15:39:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-21 15:39:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-21 15:39:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-21 15:39:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-21 15:39:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:39:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-21 15:39:27,955 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-21 15:39:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-21 15:39:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-21 15:39:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-21 15:39:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-21 15:39:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-21 15:39:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-21 15:39:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-21 15:39:27,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-21 15:39:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 15:39:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 15:39:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 15:39:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 15:39:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 15:39:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:39:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-21 15:39:27,957 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-21 15:39:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 15:39:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 15:39:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-21 15:39:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-21 15:39:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 15:39:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 15:39:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-21 15:39:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-21 15:39:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-21 15:39:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-21 15:39:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 15:39:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 15:39:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 15:39:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 15:39:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-21 15:39:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-21 15:39:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-21 15:39:27,959 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-21 15:39:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-21 15:39:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-21 15:39:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-21 15:39:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-21 15:39:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-21 15:39:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-21 15:39:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 15:39:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 15:39:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-21 15:39:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-21 15:39:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 15:39:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 15:39:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-12-21 15:39:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-12-21 15:39:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-21 15:39:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-21 15:39:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-12-21 15:39:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-12-21 15:39:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:39:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-21 15:39:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-21 15:39:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 15:39:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 15:39:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:39:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:39:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-21 15:39:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-21 15:39:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 15:39:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 15:39:28,433 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:39:28,435 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:39:28,807 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-21 15:39:28,807 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-21 15:39:29,283 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-21 15:39:29,285 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-21 15:39:29,287 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-21 15:39:31,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2021-12-21 15:39:31,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2021-12-21 15:39:31,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-12-21 15:39:31,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-12-21 15:39:31,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2021-12-21 15:39:31,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2021-12-21 15:39:31,670 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-12-21 15:39:31,671 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2021-12-21 15:39:31,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2021-12-21 15:39:31,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2021-12-21 15:39:31,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2021-12-21 15:39:31,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-12-21 15:39:31,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2021-12-21 15:39:31,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2021-12-21 15:39:31,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-12-21 15:39:31,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-12-21 15:39:31,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-12-21 15:39:31,672 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-12-21 15:39:31,775 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-21 15:39:31,778 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-21 15:39:32,396 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset := get_current(); srcloc: null [2021-12-21 15:39:32,396 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;havoc ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2021-12-21 15:39:32,397 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;havoc ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2021-12-21 15:39:32,397 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset := get_current(); srcloc: null [2021-12-21 15:39:32,397 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-12-21 15:39:32,397 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-12-21 15:39:32,397 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-12-21 15:39:32,397 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-12-21 15:39:32,397 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-12-21 15:39:32,397 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-12-21 15:39:32,398 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-12-21 15:39:32,398 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-12-21 15:39:32,423 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:39:32,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:39:32,437 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-21 15:39:32,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:39:32 BoogieIcfgContainer [2021-12-21 15:39:32,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:39:32,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:39:32,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:39:32,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:39:32,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:39:25" (1/3) ... [2021-12-21 15:39:32,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21feb45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:39:32, skipping insertion in model container [2021-12-21 15:39:32,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:27" (2/3) ... [2021-12-21 15:39:32,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21feb45d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:39:32, skipping insertion in model container [2021-12-21 15:39:32,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:39:32" (3/3) ... [2021-12-21 15:39:32,453 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-21 15:39:32,457 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:39:32,457 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 15:39:32,501 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:39:32,507 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:39:32,507 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 15:39:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 1447 states, 1020 states have (on average 1.3519607843137256) internal successors, (1379), 1055 states have internal predecessors, (1379), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) [2021-12-21 15:39:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-21 15:39:32,580 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:39:32,580 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:39:32,581 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:39:32,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:39:32,585 INFO L85 PathProgramCache]: Analyzing trace with hash 732442861, now seen corresponding path program 1 times [2021-12-21 15:39:32,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:39:32,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537602110] [2021-12-21 15:39:32,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:39:32,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:39:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:32,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:39:32,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:39:32,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537602110] [2021-12-21 15:39:32,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537602110] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:39:32,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:39:32,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 15:39:32,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521169987] [2021-12-21 15:39:32,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:39:32,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-21 15:39:32,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:39:32,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 15:39:32,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 15:39:32,873 INFO L87 Difference]: Start difference. First operand has 1447 states, 1020 states have (on average 1.3519607843137256) internal successors, (1379), 1055 states have internal predecessors, (1379), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:39:33,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:39:33,118 INFO L93 Difference]: Finished difference Result 4295 states and 6198 transitions. [2021-12-21 15:39:33,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 15:39:33,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-21 15:39:33,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:39:33,154 INFO L225 Difference]: With dead ends: 4295 [2021-12-21 15:39:33,154 INFO L226 Difference]: Without dead ends: 2834 [2021-12-21 15:39:33,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 15:39:33,171 INFO L933 BasicCegarLoop]: 2376 mSDtfsCounter, 1996 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 4353 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:39:33,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1996 Valid, 4353 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 15:39:33,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2021-12-21 15:39:33,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2831. [2021-12-21 15:39:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 1989 states have (on average 1.32780291603821) internal successors, (2641), 2056 states have internal predecessors, (2641), 651 states have call successors, (651), 191 states have call predecessors, (651), 190 states have return successors, (655), 633 states have call predecessors, (655), 649 states have call successors, (655) [2021-12-21 15:39:33,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3947 transitions. [2021-12-21 15:39:33,335 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3947 transitions. Word has length 12 [2021-12-21 15:39:33,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:39:33,335 INFO L470 AbstractCegarLoop]: Abstraction has 2831 states and 3947 transitions. [2021-12-21 15:39:33,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:39:33,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3947 transitions. [2021-12-21 15:39:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-21 15:39:33,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:39:33,358 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-21 15:39:33,358 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:39:33,359 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:39:33,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:39:33,359 INFO L85 PathProgramCache]: Analyzing trace with hash -863962791, now seen corresponding path program 1 times [2021-12-21 15:39:33,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:39:33,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972391288] [2021-12-21 15:39:33,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:39:33,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:39:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:33,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-21 15:39:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:33,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-21 15:39:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:33,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-21 15:39:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:33,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-21 15:39:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 15:39:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:33,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-21 15:39:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:33,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 15:39:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:33,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-21 15:39:33,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:39:33,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972391288] [2021-12-21 15:39:33,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972391288] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:39:33,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:39:33,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:39:33,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439100210] [2021-12-21 15:39:33,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:39:33,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:39:33,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:39:33,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:39:33,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:39:33,571 INFO L87 Difference]: Start difference. First operand 2831 states and 3947 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-21 15:39:36,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:39:36,708 INFO L93 Difference]: Finished difference Result 6578 states and 9359 transitions. [2021-12-21 15:39:36,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 15:39:36,708 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 74 [2021-12-21 15:39:36,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:39:36,725 INFO L225 Difference]: With dead ends: 6578 [2021-12-21 15:39:36,726 INFO L226 Difference]: Without dead ends: 3773 [2021-12-21 15:39:36,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-21 15:39:36,735 INFO L933 BasicCegarLoop]: 1828 mSDtfsCounter, 1320 mSDsluCounter, 4786 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 6614 SdHoareTripleChecker+Invalid, 3331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-21 15:39:36,735 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1514 Valid, 6614 Invalid, 3331 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [524 Valid, 2807 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-21 15:39:36,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2021-12-21 15:39:36,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3390. [2021-12-21 15:39:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3390 states, 2432 states have (on average 1.3429276315789473) internal successors, (3266), 2503 states have internal predecessors, (3266), 767 states have call successors, (767), 191 states have call predecessors, (767), 190 states have return successors, (773), 749 states have call predecessors, (773), 765 states have call successors, (773) [2021-12-21 15:39:36,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4806 transitions. [2021-12-21 15:39:36,875 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4806 transitions. Word has length 74 [2021-12-21 15:39:36,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:39:36,876 INFO L470 AbstractCegarLoop]: Abstraction has 3390 states and 4806 transitions. [2021-12-21 15:39:36,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-21 15:39:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4806 transitions. [2021-12-21 15:39:36,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-21 15:39:36,882 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:39:36,882 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-21 15:39:36,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 15:39:36,883 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:39:36,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:39:36,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1191976461, now seen corresponding path program 1 times [2021-12-21 15:39:36,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:39:36,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327993702] [2021-12-21 15:39:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:39:36,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:39:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-21 15:39:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-21 15:39:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-21 15:39:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-21 15:39:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-21 15:39:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-21 15:39:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:37,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-21 15:39:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-21 15:39:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-21 15:39:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:39:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-21 15:39:37,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:39:37,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327993702] [2021-12-21 15:39:37,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327993702] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:39:37,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:39:37,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 15:39:37,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341195840] [2021-12-21 15:39:37,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:39:37,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 15:39:37,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:39:37,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 15:39:37,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-21 15:39:37,089 INFO L87 Difference]: Start difference. First operand 3390 states and 4806 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-21 15:39:39,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 15:39:42,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 15:39:42,286 INFO L93 Difference]: Finished difference Result 7092 states and 10144 transitions. [2021-12-21 15:39:42,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 15:39:42,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2021-12-21 15:39:42,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 15:39:42,309 INFO L225 Difference]: With dead ends: 7092 [2021-12-21 15:39:42,310 INFO L226 Difference]: Without dead ends: 3726 [2021-12-21 15:39:42,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-21 15:39:42,328 INFO L933 BasicCegarLoop]: 1775 mSDtfsCounter, 721 mSDsluCounter, 5054 mSDsCounter, 0 mSdLazyCounter, 2535 mSolverCounterSat, 374 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 6829 SdHoareTripleChecker+Invalid, 2910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 2535 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-21 15:39:42,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [850 Valid, 6829 Invalid, 2910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 2535 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2021-12-21 15:39:42,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2021-12-21 15:39:42,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 3390. [2021-12-21 15:39:42,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3390 states, 2432 states have (on average 1.3421052631578947) internal successors, (3264), 2501 states have internal predecessors, (3264), 767 states have call successors, (767), 191 states have call predecessors, (767), 190 states have return successors, (773), 749 states have call predecessors, (773), 765 states have call successors, (773) [2021-12-21 15:39:42,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4804 transitions. [2021-12-21 15:39:42,449 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4804 transitions. Word has length 92 [2021-12-21 15:39:42,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 15:39:42,449 INFO L470 AbstractCegarLoop]: Abstraction has 3390 states and 4804 transitions. [2021-12-21 15:39:42,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-21 15:39:42,450 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4804 transitions. [2021-12-21 15:39:42,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-21 15:39:42,456 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 15:39:42,459 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2021-12-21 15:39:42,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 15:39:42,459 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:39:42,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:39:42,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1457908739, now seen corresponding path program 1 times [2021-12-21 15:39:42,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:39:42,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644507905] [2021-12-21 15:39:42,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:39:42,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:39:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 15:39:42,685 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 15:39:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 15:39:42,929 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 15:39:42,929 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 15:39:42,930 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 15:39:42,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 15:39:42,933 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-21 15:39:42,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 15:39:43,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:39:43 BoogieIcfgContainer [2021-12-21 15:39:43,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 15:39:43,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 15:39:43,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 15:39:43,126 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 15:39:43,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:39:32" (3/4) ... [2021-12-21 15:39:43,128 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 15:39:43,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 15:39:43,130 INFO L158 Benchmark]: Toolchain (without parser) took 17414.08ms. Allocated memory was 109.1MB in the beginning and 580.9MB in the end (delta: 471.9MB). Free memory was 67.4MB in the beginning and 440.9MB in the end (delta: -373.6MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2021-12-21 15:39:43,130 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:39:43,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1788.47ms. Allocated memory was 109.1MB in the beginning and 161.5MB in the end (delta: 52.4MB). Free memory was 67.4MB in the beginning and 55.3MB in the end (delta: 12.0MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2021-12-21 15:39:43,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 205.14ms. Allocated memory was 161.5MB in the beginning and 239.1MB in the end (delta: 77.6MB). Free memory was 55.3MB in the beginning and 158.7MB in the end (delta: -103.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-12-21 15:39:43,132 INFO L158 Benchmark]: Boogie Preprocessor took 158.89ms. Allocated memory is still 239.1MB. Free memory was 158.7MB in the beginning and 134.6MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-21 15:39:43,133 INFO L158 Benchmark]: RCFGBuilder took 4568.87ms. Allocated memory is still 239.1MB. Free memory was 134.6MB in the beginning and 80.4MB in the end (delta: 54.2MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2021-12-21 15:39:43,133 INFO L158 Benchmark]: TraceAbstraction took 10683.85ms. Allocated memory was 239.1MB in the beginning and 580.9MB in the end (delta: 341.8MB). Free memory was 80.4MB in the beginning and 440.9MB in the end (delta: -360.5MB). Peak memory consumption was 299.0MB. Max. memory is 16.1GB. [2021-12-21 15:39:43,133 INFO L158 Benchmark]: Witness Printer took 2.78ms. Allocated memory is still 580.9MB. Free memory is still 440.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:39:43,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1788.47ms. Allocated memory was 109.1MB in the beginning and 161.5MB in the end (delta: 52.4MB). Free memory was 67.4MB in the beginning and 55.3MB in the end (delta: 12.0MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 205.14ms. Allocated memory was 161.5MB in the beginning and 239.1MB in the end (delta: 77.6MB). Free memory was 55.3MB in the beginning and 158.7MB in the end (delta: -103.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.89ms. Allocated memory is still 239.1MB. Free memory was 158.7MB in the beginning and 134.6MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4568.87ms. Allocated memory is still 239.1MB. Free memory was 134.6MB in the beginning and 80.4MB in the end (delta: 54.2MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10683.85ms. Allocated memory was 239.1MB in the beginning and 580.9MB in the end (delta: 341.8MB). Free memory was 80.4MB in the beginning and 440.9MB in the end (delta: -360.5MB). Peak memory consumption was 299.0MB. Max. memory is 16.1GB. * Witness Printer took 2.78ms. Allocated memory is still 580.9MB. Free memory is still 440.9MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167, overapproximation of bitwiseOr at line 7938, overapproximation of bitwiseAnd at line 7939. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [\old(major)=108, \result=0, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, fops={66:0}, fops={66:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, major=108, mp_protocol_compress=1, name={18:0}, name={18:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={18446744073709551629:18446744073709551647}, arg0={18446744073709551629:18446744073709551647}, arg0={18446744073709551629:18446744073709551647}, arg1={20:0}, arg1={20:0}, arg2={73:0}, arg2={73:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [__key={73:0}, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [\result=0, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={73:0}, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [\result=0, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___1=1] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={305:-304}, pf->kind=4294967298, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6840] COND TRUE (unsigned int )pf->kind == 2U [L6842] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6843] __mptr___0 = (struct ppp_file const *)pf [L6844] pch = (struct channel *)__mptr___0 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6846] COND FALSE !((int )cmd == 1074033722) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6849] COND FALSE !((int )cmd == 29753) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6895] FCALL down_read(& pch->chan_sem) [L6896] EXPR pch->chan [L6896] chan = pch->chan [L6897] err = -25 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6899] COND TRUE (unsigned long )chan != (unsigned long )((struct ppp_channel *)0) [L6900] EXPR chan->ops [L6900] EXPR (chan->ops)->ioctl VAL [(chan->ops)->ioctl={-78:79}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551635:0}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6900-L6902] COND TRUE (unsigned long )(chan->ops)->ioctl != (unsigned long )((int (* const )(struct ppp_channel * , unsigned int , unsigned long ))0) [L6904] EXPR chan->ops [L6904] EXPR (chan->ops)->ioctl VAL [(chan->ops)->ioctl={-78:79}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551635:0}, channel_count={62:0}, cmd=1074033753, code={77:0}, code___0={78:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551653:-2}, file={18446744073709551653:-2}, idle={75:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6904] CALL (*((chan->ops)->ioctl))(chan, cmd, arg) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6931] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7014] FCALL might_fault() VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551629:18446744073709551647}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7043] RET spin_lock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7044] RET spin_lock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, cflags=-3, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7047] RET spin_unlock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, cflags=-3, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7048] RET spin_unlock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, cflags=-3, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551629:18446744073709551647}, __val_gu___1=0, arg=18446744073709551615, argp={0:-1}, cflags=-3, channel_count={62:0}, cmd=1074033753, code={83:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=0] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551650:18446744073709551627}, rstate={18446744073709551657:18446744073709551642}, xcomp={-18446744073709551615:-16}, xstate={-18446744073709551615:0}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551650:18446744073709551627}, rstate={18446744073709551657:18446744073709551642}, xcomp={-18446744073709551615:-16}, xstate={-18446744073709551615:0}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551650:18446744073709551627}, rstate={18446744073709551657:18446744073709551642}, xcomp={-18446744073709551615:-16}, xstate={-18446744073709551615:0}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551650:18446744073709551627}, rstate={18446744073709551657:18446744073709551642}, xcomp={-18446744073709551615:-16}, xcomp->comp_free={-1:12}, xstate={-18446744073709551615:0}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9974] RET (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551650:18446744073709551627}, rstate={18446744073709551657:18446744073709551642}, xcomp={-18446744073709551615:-16}, xcomp->comp_free={-1:12}, xstate={-18446744073709551615:0}] [L9975] EXPR xcomp->owner [L9975] CALL ldv_module_put_5(xcomp->owner) [L10926] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, module={85:-84}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, module={85:-84}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551629:18446744073709551647}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 1447 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4360 SdHoareTripleChecker+Valid, 7.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4037 mSDsluCounter, 17796 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11817 mSDsCounter, 900 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5350 IncrementalHoareTripleChecker+Invalid, 6251 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 900 mSolverCounterUnsat, 5979 mSDtfsCounter, 5350 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3390occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 722 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 16/16 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 [2021-12-21 15:39:43,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:39:45,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:39:45,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:39:45,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:39:45,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:39:45,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:39:45,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:39:45,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:39:45,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:39:45,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:39:45,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:39:45,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:39:45,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:39:45,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:39:45,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:39:45,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:39:45,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:39:45,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:39:45,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:39:45,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:39:45,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:39:45,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:39:45,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:39:45,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:39:45,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:39:45,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:39:45,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:39:45,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:39:45,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:39:45,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:39:45,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:39:45,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:39:45,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:39:45,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:39:45,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:39:45,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:39:45,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:39:45,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:39:45,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:39:45,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:39:45,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:39:45,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-21 15:39:45,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:39:45,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:39:45,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:39:45,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:39:45,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:39:45,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:39:45,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:39:45,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:39:45,145 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:39:45,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:39:45,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:39:45,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:39:45,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:39:45,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:39:45,146 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 15:39:45,146 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 15:39:45,146 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 15:39:45,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:39:45,146 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:39:45,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:39:45,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:39:45,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:39:45,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:39:45,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:39:45,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:39:45,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:39:45,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:39:45,148 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 15:39:45,148 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 15:39:45,148 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:39:45,148 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:39:45,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:39:45,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:39:45,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 15:39:45,149 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-12-21 15:39:45,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:39:45,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:39:45,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:39:45,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:39:45,453 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:39:45,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-21 15:39:45,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87fd59b6f/419e2aa751b845cd99cb43ea8bfa679f/FLAGa91b667a2 [2021-12-21 15:39:46,157 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:39:46,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-21 15:39:46,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87fd59b6f/419e2aa751b845cd99cb43ea8bfa679f/FLAGa91b667a2 [2021-12-21 15:39:46,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87fd59b6f/419e2aa751b845cd99cb43ea8bfa679f [2021-12-21 15:39:46,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:39:46,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:39:46,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:39:46,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:39:46,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:39:46,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:39:46" (1/1) ... [2021-12-21 15:39:46,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb110f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:46, skipping insertion in model container [2021-12-21 15:39:46,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:39:46" (1/1) ... [2021-12-21 15:39:46,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:39:46,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:39:47,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-12-21 15:39:47,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:39:47,918 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-21 15:39:47,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:39:48,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-12-21 15:39:48,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:39:48,205 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:39:48,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2021-12-21 15:39:48,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:39:48,567 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:39:48,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:48 WrapperNode [2021-12-21 15:39:48,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:39:48,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:39:48,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:39:48,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:39:48,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:48" (1/1) ... [2021-12-21 15:39:48,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:48" (1/1) ... [2021-12-21 15:39:48,765 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2021-12-21 15:39:48,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:39:48,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:39:48,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:39:48,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:39:48,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:48" (1/1) ... [2021-12-21 15:39:48,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:48" (1/1) ... [2021-12-21 15:39:48,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:48" (1/1) ... [2021-12-21 15:39:48,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:48" (1/1) ... [2021-12-21 15:39:48,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:48" (1/1) ... [2021-12-21 15:39:48,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:48" (1/1) ... [2021-12-21 15:39:48,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:48" (1/1) ... [2021-12-21 15:39:48,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:39:48,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:39:48,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:39:48,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:39:48,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:39:48" (1/1) ... [2021-12-21 15:39:48,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:39:48,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:39:48,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:39:48,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:39:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-21 15:39:49,004 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-21 15:39:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-21 15:39:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-21 15:39:49,004 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-21 15:39:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-21 15:39:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-21 15:39:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-21 15:39:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-21 15:39:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-21 15:39:49,005 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-21 15:39:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 15:39:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 15:39:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-21 15:39:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-21 15:39:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-21 15:39:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 15:39:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-21 15:39:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-21 15:39:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-21 15:39:49,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-21 15:39:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-21 15:39:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-21 15:39:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-21 15:39:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-21 15:39:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-21 15:39:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-21 15:39:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 15:39:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 15:39:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-21 15:39:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-21 15:39:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-21 15:39:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-21 15:39:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 15:39:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 15:39:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-12-21 15:39:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-12-21 15:39:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-21 15:39:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-21 15:39:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-12-21 15:39:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-12-21 15:39:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-21 15:39:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-21 15:39:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-21 15:39:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-21 15:39:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 15:39:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 15:39:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-12-21 15:39:49,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-12-21 15:39:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-21 15:39:49,013 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-21 15:39:49,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-21 15:39:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-21 15:39:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-21 15:39:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-21 15:39:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 15:39:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 15:39:49,014 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-21 15:39:49,014 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-21 15:39:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 15:39:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 15:39:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-21 15:39:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-21 15:39:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-21 15:39:49,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-21 15:39:49,015 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-21 15:39:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-21 15:39:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-12-21 15:39:49,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-12-21 15:39:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:39:49,016 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 15:39:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 15:39:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-21 15:39:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-21 15:39:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 15:39:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-21 15:39:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-21 15:39:49,017 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 15:39:49,017 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 15:39:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-21 15:39:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-21 15:39:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-21 15:39:49,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-21 15:39:49,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-21 15:39:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:39:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 15:39:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 15:39:49,019 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-21 15:39:49,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-21 15:39:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-21 15:39:49,020 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-21 15:39:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 15:39:49,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-21 15:39:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-21 15:39:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-21 15:39:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-21 15:39:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-21 15:39:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-21 15:39:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-21 15:39:49,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-21 15:39:49,021 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-21 15:39:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-21 15:39:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-12-21 15:39:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-12-21 15:39:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 15:39:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 15:39:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 15:39:49,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 15:39:49,022 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 15:39:49,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 15:39:49,023 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-21 15:39:49,024 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-21 15:39:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-21 15:39:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-21 15:39:49,025 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 15:39:49,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 15:39:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-21 15:39:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-21 15:39:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-21 15:39:49,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-21 15:39:49,027 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-21 15:39:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-21 15:39:49,031 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 15:39:49,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 15:39:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-21 15:39:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-21 15:39:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-12-21 15:39:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-12-21 15:39:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-21 15:39:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-21 15:39:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-21 15:39:49,032 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-21 15:39:49,032 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 15:39:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 15:39:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-21 15:39:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-21 15:39:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-21 15:39:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-21 15:39:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-21 15:39:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-21 15:39:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-21 15:39:49,033 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-21 15:39:49,033 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-21 15:39:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-21 15:39:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-21 15:39:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-21 15:39:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 15:39:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 15:39:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-21 15:39:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-21 15:39:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-21 15:39:49,034 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-21 15:39:49,034 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-21 15:39:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-21 15:39:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-21 15:39:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-21 15:39:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-21 15:39:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-21 15:39:49,035 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-21 15:39:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-21 15:39:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-21 15:39:49,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-21 15:39:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-21 15:39:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-21 15:39:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-21 15:39:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-21 15:39:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-21 15:39:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-21 15:39:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 15:39:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 15:39:49,036 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 15:39:49,036 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 15:39:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 15:39:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:39:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-21 15:39:49,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-21 15:39:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 15:39:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-21 15:39:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-21 15:39:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-21 15:39:49,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 15:39:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 15:39:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-21 15:39:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-21 15:39:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-21 15:39:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-21 15:39:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-21 15:39:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 15:39:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 15:39:49,038 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 15:39:49,038 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 15:39:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-21 15:39:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-21 15:39:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-21 15:39:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-21 15:39:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-21 15:39:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-21 15:39:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-21 15:39:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-21 15:39:49,039 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-21 15:39:49,039 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-21 15:39:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 15:39:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 15:39:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-21 15:39:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-21 15:39:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-21 15:39:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-21 15:39:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-21 15:39:49,040 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-21 15:39:49,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-21 15:39:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 15:39:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-21 15:39:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:39:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:39:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-21 15:39:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-21 15:39:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 15:39:49,041 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 15:39:49,669 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:39:49,671 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:39:52,483 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-21 15:39:52,483 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-21 15:40:00,849 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: Not a regular bitvector operator with bitvector result: bvshl at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.notSimplified(BitvectorUtils.java:296) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplify_NonConstantCase(BitvectorUtils.java:291) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplifiedResult(BitvectorUtils.java:286) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils.termWithLocalSimplification(BitvectorUtils.java:217) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1490) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:405) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:248) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:248) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateToTerm(Expression2Term.java:120) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.addAssignment(Statements2TransFormula.java:288) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:703) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:733) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 15:40:00,852 INFO L158 Benchmark]: Toolchain (without parser) took 14561.54ms. Allocated memory was 65.0MB in the beginning and 299.9MB in the end (delta: 234.9MB). Free memory was 36.6MB in the beginning and 186.4MB in the end (delta: -149.7MB). Peak memory consumption was 178.5MB. Max. memory is 16.1GB. [2021-12-21 15:40:00,853 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 46.1MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:40:00,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2275.54ms. Allocated memory was 65.0MB in the beginning and 299.9MB in the end (delta: 234.9MB). Free memory was 36.4MB in the beginning and 220.7MB in the end (delta: -184.2MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2021-12-21 15:40:00,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.85ms. Allocated memory is still 299.9MB. Free memory was 219.6MB in the beginning and 197.6MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-21 15:40:00,854 INFO L158 Benchmark]: Boogie Preprocessor took 173.93ms. Allocated memory is still 299.9MB. Free memory was 197.6MB in the beginning and 171.4MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-21 15:40:00,854 INFO L158 Benchmark]: RCFGBuilder took 11910.15ms. Allocated memory is still 299.9MB. Free memory was 171.4MB in the beginning and 186.4MB in the end (delta: -15.0MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2021-12-21 15:40:00,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 46.1MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 43.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2275.54ms. Allocated memory was 65.0MB in the beginning and 299.9MB in the end (delta: 234.9MB). Free memory was 36.4MB in the beginning and 220.7MB in the end (delta: -184.2MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 196.85ms. Allocated memory is still 299.9MB. Free memory was 219.6MB in the beginning and 197.6MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 173.93ms. Allocated memory is still 299.9MB. Free memory was 197.6MB in the beginning and 171.4MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11910.15ms. Allocated memory is still 299.9MB. Free memory was 171.4MB in the beginning and 186.4MB in the end (delta: -15.0MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: Not a regular bitvector operator with bitvector result: bvshl: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-21 15:40:00,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl