./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 791161d1 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-?-791161d [2022-07-22 22:36:19,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:36:19,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:36:19,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:36:19,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:36:19,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:36:19,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:36:19,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:36:19,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:36:19,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:36:19,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:36:19,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:36:19,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:36:19,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:36:19,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:36:19,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:36:19,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:36:19,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:36:19,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:36:19,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:36:19,470 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:36:19,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:36:19,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:36:19,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:36:19,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:36:19,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:36:19,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:36:19,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:36:19,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:36:19,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:36:19,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:36:19,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:36:19,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:36:19,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:36:19,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:36:19,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:36:19,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:36:19,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:36:19,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:36:19,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:36:19,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:36:19,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:36:19,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 22:36:19,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:36:19,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:36:19,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:36:19,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:36:19,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:36:19,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:36:19,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:36:19,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:36:19,523 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:36:19,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:36:19,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 22:36:19,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:36:19,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:36:19,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:36:19,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:36:19,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:36:19,524 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:36:19,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:36:19,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:36:19,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:36:19,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:36:19,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:36:19,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:36:19,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:36:19,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:36:19,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 22:36:19,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 22:36:19,525 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:36:19,526 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:36:19,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:36:19,526 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-07-22 22:36:19,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:36:19,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:36:19,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:36:19,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:36:19,768 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:36:19,770 INFO L432 ainManager$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 [2022-07-22 22:36:19,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8da808a0/b6ee1c0365134ff2a24e4e193d399c40/FLAG220631960 [2022-07-22 22:36:20,476 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:36:20,477 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 [2022-07-22 22:36:20,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8da808a0/b6ee1c0365134ff2a24e4e193d399c40/FLAG220631960 [2022-07-22 22:36:20,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8da808a0/b6ee1c0365134ff2a24e4e193d399c40 [2022-07-22 22:36:20,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:36:20,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:36:20,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:36:20,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:36:20,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:36:20,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:36:20" (1/1) ... [2022-07-22 22:36:20,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@618ed96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:20, skipping insertion in model container [2022-07-22 22:36:20,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:36:20" (1/1) ... [2022-07-22 22:36:20,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:36:20,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:36:22,201 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] [2022-07-22 22:36:22,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:36:22,270 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:36:22,547 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] [2022-07-22 22:36:22,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:36:22,727 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:36:22,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22 WrapperNode [2022-07-22 22:36:22,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:36:22,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:36:22,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:36:22,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:36:22,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22" (1/1) ... [2022-07-22 22:36:22,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22" (1/1) ... [2022-07-22 22:36:22,971 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4270 [2022-07-22 22:36:22,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:36:22,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:36:22,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:36:22,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:36:22,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22" (1/1) ... [2022-07-22 22:36:22,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22" (1/1) ... [2022-07-22 22:36:22,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22" (1/1) ... [2022-07-22 22:36:22,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22" (1/1) ... [2022-07-22 22:36:23,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22" (1/1) ... [2022-07-22 22:36:23,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22" (1/1) ... [2022-07-22 22:36:23,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22" (1/1) ... [2022-07-22 22:36:23,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:36:23,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:36:23,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:36:23,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:36:23,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22" (1/1) ... [2022-07-22 22:36:23,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:36:23,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:36:23,189 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) [2022-07-22 22:36:23,197 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 [2022-07-22 22:36:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-22 22:36:23,217 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-22 22:36:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-22 22:36:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-22 22:36:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-22 22:36:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-22 22:36:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-22 22:36:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-22 22:36:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-22 22:36:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-22 22:36:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-22 22:36:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 22:36:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-22 22:36:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-22 22:36:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 22:36:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-22 22:36:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-22 22:36:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-22 22:36:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-22 22:36:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-22 22:36:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-22 22:36:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-22 22:36:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-22 22:36:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-22 22:36:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-22 22:36:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-22 22:36:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-22 22:36:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-22 22:36:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-22 22:36:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-22 22:36:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-22 22:36:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 22:36:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 22:36:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-22 22:36:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-22 22:36:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-22 22:36:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-22 22:36:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-22 22:36:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-22 22:36:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-22 22:36:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-22 22:36:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 22:36:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 22:36:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-07-22 22:36:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-07-22 22:36:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-22 22:36:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-22 22:36:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-22 22:36:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-22 22:36:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-22 22:36:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-22 22:36:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 22:36:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 22:36:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-22 22:36:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-22 22:36:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 22:36:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 22:36:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-22 22:36:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-22 22:36:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-22 22:36:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-22 22:36:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-22 22:36:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-22 22:36:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-07-22 22:36:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-07-22 22:36:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:36:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-22 22:36:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-22 22:36:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-22 22:36:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-22 22:36:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:36:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-22 22:36:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-22 22:36:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-22 22:36:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-22 22:36:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-22 22:36:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-22 22:36:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:36:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:36:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-22 22:36:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-22 22:36:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-22 22:36:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-22 22:36:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-22 22:36:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-22 22:36:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-22 22:36:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-22 22:36:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-22 22:36:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-22 22:36:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-22 22:36:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-22 22:36:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-07-22 22:36:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-07-22 22:36:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-22 22:36:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-22 22:36:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-22 22:36:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-22 22:36:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-22 22:36:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-22 22:36:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-22 22:36:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-22 22:36:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-22 22:36:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-22 22:36:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-22 22:36:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-22 22:36:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-22 22:36:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-22 22:36:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-22 22:36:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-22 22:36:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-22 22:36:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-22 22:36:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-22 22:36:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-22 22:36:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-22 22:36:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-22 22:36:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-22 22:36:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-22 22:36:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-22 22:36:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-22 22:36:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-22 22:36:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-22 22:36:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-07-22 22:36:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-07-22 22:36:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 22:36:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-22 22:36:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-22 22:36:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-22 22:36:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-22 22:36:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-22 22:36:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-22 22:36:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-22 22:36:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-22 22:36:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-22 22:36:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-22 22:36:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-22 22:36:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-22 22:36:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-22 22:36:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-22 22:36:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 22:36:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 22:36:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-22 22:36:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-22 22:36:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-22 22:36:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-22 22:36:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 22:36:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-22 22:36:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-22 22:36:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-22 22:36:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-22 22:36:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-22 22:36:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-22 22:36:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-22 22:36:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-22 22:36:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-22 22:36:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-22 22:36:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:36:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-22 22:36:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-22 22:36:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-22 22:36:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-22 22:36:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:36:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-22 22:36:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-22 22:36:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:36:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 22:36:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-22 22:36:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-22 22:36:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-22 22:36:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-22 22:36:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-22 22:36:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-22 22:36:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-22 22:36:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-22 22:36:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-22 22:36:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-22 22:36:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-22 22:36:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-22 22:36:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-22 22:36:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-22 22:36:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-22 22:36:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-22 22:36:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-22 22:36:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-22 22:36:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-22 22:36:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-22 22:36:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-22 22:36:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-22 22:36:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-22 22:36:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-22 22:36:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-22 22:36:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-22 22:36:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-22 22:36:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-22 22:36:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-07-22 22:36:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-07-22 22:36:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-22 22:36:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-22 22:36:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-07-22 22:36:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-07-22 22:36:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 22:36:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-22 22:36:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-22 22:36:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-22 22:36:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-22 22:36:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:36:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:36:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-22 22:36:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-22 22:36:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-22 22:36:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-22 22:36:23,752 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:36:23,754 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:36:24,195 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-22 22:36:24,195 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-22 22:36:24,836 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:24,840 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:24,841 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:25,230 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2022-07-22 22:36:25,230 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2022-07-22 22:36:25,231 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume false; [2022-07-22 22:36:25,231 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##262: assume !false; [2022-07-22 22:36:25,231 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2022-07-22 22:36:25,231 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2022-07-22 22:36:25,231 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2022-07-22 22:36:25,231 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2022-07-22 22:36:25,231 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2022-07-22 22:36:25,231 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2022-07-22 22:36:25,232 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2022-07-22 22:36:25,232 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2022-07-22 22:36:25,232 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2022-07-22 22:36:25,232 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2022-07-22 22:36:25,232 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2022-07-22 22:36:25,232 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2022-07-22 22:36:25,232 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-07-22 22:36:25,232 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-07-22 22:36:25,232 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-07-22 22:36:25,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-07-22 22:36:25,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-07-22 22:36:25,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2022-07-22 22:36:25,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2022-07-22 22:36:25,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2022-07-22 22:36:25,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2022-07-22 22:36:25,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-07-22 22:36:25,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2022-07-22 22:36:25,233 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2022-07-22 22:36:25,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2022-07-22 22:36:25,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2022-07-22 22:36:25,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-07-22 22:36:25,234 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-07-22 22:36:25,343 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:25,348 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:25,891 INFO L764 $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 [2022-07-22 22:36:25,892 INFO L764 $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; [2022-07-22 22:36:25,892 INFO L764 $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; [2022-07-22 22:36:25,892 INFO L764 $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 [2022-07-22 22:36:25,892 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-07-22 22:36:25,892 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-07-22 22:36:25,892 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-07-22 22:36:25,892 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-07-22 22:36:25,892 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-22 22:36:25,892 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-22 22:36:25,892 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2022-07-22 22:36:25,892 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2022-07-22 22:36:25,930 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 22:36:25,942 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 22:36:25,943 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-22 22:36:25,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:36:25 BoogieIcfgContainer [2022-07-22 22:36:25,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 22:36:25,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 22:36:25,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 22:36:25,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 22:36:25,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:36:20" (1/3) ... [2022-07-22 22:36:25,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5684287b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:36:25, skipping insertion in model container [2022-07-22 22:36:25,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:22" (2/3) ... [2022-07-22 22:36:25,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5684287b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:36:25, skipping insertion in model container [2022-07-22 22:36:25,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:36:25" (3/3) ... [2022-07-22 22:36:25,956 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-22 22:36:25,969 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 22:36:25,969 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 22:36:26,053 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 22:36:26,058 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@225d068f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@64f79958 [2022-07-22 22:36:26,059 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 22:36:26,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 1467 states, 1040 states have (on average 1.364423076923077) internal successors, (1419), 1075 states have internal predecessors, (1419), 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) [2022-07-22 22:36:26,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-22 22:36:26,074 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:36:26,074 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:36:26,075 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:36:26,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:36:26,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1853015897, now seen corresponding path program 1 times [2022-07-22 22:36:26,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:36:26,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699628538] [2022-07-22 22:36:26,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:36:26,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:36:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 22:36:26,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:36:26,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699628538] [2022-07-22 22:36:26,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699628538] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:36:26,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:36:26,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 22:36:26,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015697282] [2022-07-22 22:36:26,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:36:26,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 22:36:26,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:36:26,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 22:36:26,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 22:36:26,413 INFO L87 Difference]: Start difference. First operand has 1467 states, 1040 states have (on average 1.364423076923077) internal successors, (1419), 1075 states have internal predecessors, (1419), 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) [2022-07-22 22:36:26,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:36:26,626 INFO L93 Difference]: Finished difference Result 4355 states and 6322 transitions. [2022-07-22 22:36:26,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 22:36:26,671 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 [2022-07-22 22:36:26,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:36:26,694 INFO L225 Difference]: With dead ends: 4355 [2022-07-22 22:36:26,694 INFO L226 Difference]: Without dead ends: 2874 [2022-07-22 22:36:26,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 22:36:26,706 INFO L413 NwaCegarLoop]: 2397 mSDtfsCounter, 2021 mSDsluCounter, 2002 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 4399 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 [2022-07-22 22:36:26,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 4399 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 22:36:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2022-07-22 22:36:26,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2871. [2022-07-22 22:36:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2871 states, 2029 states have (on average 1.3262690980778709) internal successors, (2691), 2096 states have internal predecessors, (2691), 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) [2022-07-22 22:36:26,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 3997 transitions. [2022-07-22 22:36:26,867 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 3997 transitions. Word has length 12 [2022-07-22 22:36:26,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:36:26,867 INFO L495 AbstractCegarLoop]: Abstraction has 2871 states and 3997 transitions. [2022-07-22 22:36:26,867 INFO L496 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) [2022-07-22 22:36:26,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 3997 transitions. [2022-07-22 22:36:26,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-22 22:36:26,875 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:36:26,876 INFO L195 NwaCegarLoop]: 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] [2022-07-22 22:36:26,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 22:36:26,876 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:36:26,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:36:26,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1353128840, now seen corresponding path program 1 times [2022-07-22 22:36:26,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:36:26,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399448264] [2022-07-22 22:36:26,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:36:26,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:36:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-22 22:36:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-22 22:36:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-22 22:36:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 22:36:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-22 22:36:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-22 22:36:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:27,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-22 22:36:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-22 22:36:27,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:36:27,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399448264] [2022-07-22 22:36:27,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399448264] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:36:27,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:36:27,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 22:36:27,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333313523] [2022-07-22 22:36:27,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:36:27,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 22:36:27,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:36:27,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 22:36:27,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:36:27,059 INFO L87 Difference]: Start difference. First operand 2871 states and 3997 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 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) [2022-07-22 22:36:29,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:36:29,945 INFO L93 Difference]: Finished difference Result 6354 states and 8980 transitions. [2022-07-22 22:36:29,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 22:36:29,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 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 [2022-07-22 22:36:29,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:36:29,964 INFO L225 Difference]: With dead ends: 6354 [2022-07-22 22:36:29,964 INFO L226 Difference]: Without dead ends: 3510 [2022-07-22 22:36:29,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-22 22:36:29,975 INFO L413 NwaCegarLoop]: 1814 mSDtfsCounter, 917 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 3650 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-22 22:36:29,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 3650 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-22 22:36:29,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3510 states. [2022-07-22 22:36:30,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3510 to 3150. [2022-07-22 22:36:30,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2250 states have (on average 1.3328888888888888) internal successors, (2999), 2319 states have internal predecessors, (2999), 709 states have call successors, (709), 191 states have call predecessors, (709), 190 states have return successors, (714), 691 states have call predecessors, (714), 707 states have call successors, (714) [2022-07-22 22:36:30,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4422 transitions. [2022-07-22 22:36:30,132 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4422 transitions. Word has length 74 [2022-07-22 22:36:30,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:36:30,133 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4422 transitions. [2022-07-22 22:36:30,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 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) [2022-07-22 22:36:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4422 transitions. [2022-07-22 22:36:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-22 22:36:30,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:36:30,140 INFO L195 NwaCegarLoop]: 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] [2022-07-22 22:36:30,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 22:36:30,141 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:36:30,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:36:30,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1496577686, now seen corresponding path program 1 times [2022-07-22 22:36:30,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:36:30,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42297375] [2022-07-22 22:36:30,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:36:30,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:36:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:30,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 22:36:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-22 22:36:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-22 22:36:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-22 22:36:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-22 22:36:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 22:36:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:30,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-22 22:36:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 22:36:30,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:30,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-22 22:36:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:36:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-22 22:36:30,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 22:36:30,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42297375] [2022-07-22 22:36:30,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42297375] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:36:30,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:36:30,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 22:36:30,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879616866] [2022-07-22 22:36:30,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:36:30,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 22:36:30,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 22:36:30,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 22:36:30,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 22:36:30,406 INFO L87 Difference]: Start difference. First operand 3150 states and 4422 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) [2022-07-22 22:36:33,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:36:33,940 INFO L93 Difference]: Finished difference Result 6620 states and 9377 transitions. [2022-07-22 22:36:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 22:36:33,940 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 [2022-07-22 22:36:33,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:36:33,957 INFO L225 Difference]: With dead ends: 6620 [2022-07-22 22:36:33,957 INFO L226 Difference]: Without dead ends: 3494 [2022-07-22 22:36:33,970 INFO L412 NwaCegarLoop]: 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 [2022-07-22 22:36:33,971 INFO L413 NwaCegarLoop]: 1816 mSDtfsCounter, 746 mSDsluCounter, 4509 mSDsCounter, 0 mSdLazyCounter, 3217 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 6325 SdHoareTripleChecker+Invalid, 3592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 3217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-22 22:36:33,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 6325 Invalid, 3592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 3217 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-22 22:36:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3494 states. [2022-07-22 22:36:34,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3494 to 3150. [2022-07-22 22:36:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2250 states have (on average 1.332) internal successors, (2997), 2317 states have internal predecessors, (2997), 709 states have call successors, (709), 191 states have call predecessors, (709), 190 states have return successors, (714), 691 states have call predecessors, (714), 707 states have call successors, (714) [2022-07-22 22:36:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4420 transitions. [2022-07-22 22:36:34,073 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4420 transitions. Word has length 92 [2022-07-22 22:36:34,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:36:34,073 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4420 transitions. [2022-07-22 22:36:34,073 INFO L496 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) [2022-07-22 22:36:34,074 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4420 transitions. [2022-07-22 22:36:34,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-22 22:36:34,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:36:34,079 INFO L195 NwaCegarLoop]: 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] [2022-07-22 22:36:34,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 22:36:34,080 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:36:34,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:36:34,080 INFO L85 PathProgramCache]: Analyzing trace with hash -722462712, now seen corresponding path program 1 times [2022-07-22 22:36:34,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 22:36:34,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879129845] [2022-07-22 22:36:34,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:36:34,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 22:36:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 22:36:34,732 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 22:36:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 22:36:35,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 22:36:35,073 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 22:36:35,074 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 22:36:35,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 22:36:35,077 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-22 22:36:35,079 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 22:36:35,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:36:35 BoogieIcfgContainer [2022-07-22 22:36:35,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 22:36:35,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 22:36:35,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 22:36:35,208 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 22:36:35,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:36:25" (3/4) ... [2022-07-22 22:36:35,211 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 22:36:35,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 22:36:35,211 INFO L158 Benchmark]: Toolchain (without parser) took 14645.63ms. Allocated memory was 125.8MB in the beginning and 601.9MB in the end (delta: 476.1MB). Free memory was 76.8MB in the beginning and 161.1MB in the end (delta: -84.3MB). Peak memory consumption was 389.8MB. Max. memory is 16.1GB. [2022-07-22 22:36:35,212 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory was 106.0MB in the beginning and 105.9MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:36:35,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2163.01ms. Allocated memory was 125.8MB in the beginning and 241.2MB in the end (delta: 115.3MB). Free memory was 76.5MB in the beginning and 139.6MB in the end (delta: -63.1MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2022-07-22 22:36:35,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 241.07ms. Allocated memory is still 241.2MB. Free memory was 139.6MB in the beginning and 114.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-22 22:36:35,216 INFO L158 Benchmark]: Boogie Preprocessor took 176.42ms. Allocated memory is still 241.2MB. Free memory was 114.4MB in the beginning and 150.5MB in the end (delta: -36.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2022-07-22 22:36:35,216 INFO L158 Benchmark]: RCFGBuilder took 2796.89ms. Allocated memory was 241.2MB in the beginning and 383.8MB in the end (delta: 142.6MB). Free memory was 150.5MB in the beginning and 250.6MB in the end (delta: -100.0MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. [2022-07-22 22:36:35,217 INFO L158 Benchmark]: TraceAbstraction took 9260.55ms. Allocated memory was 383.8MB in the beginning and 601.9MB in the end (delta: 218.1MB). Free memory was 250.6MB in the beginning and 162.0MB in the end (delta: 88.5MB). Peak memory consumption was 306.6MB. Max. memory is 16.1GB. [2022-07-22 22:36:35,217 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 601.9MB. Free memory is still 161.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:36:35,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory was 106.0MB in the beginning and 105.9MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2163.01ms. Allocated memory was 125.8MB in the beginning and 241.2MB in the end (delta: 115.3MB). Free memory was 76.5MB in the beginning and 139.6MB in the end (delta: -63.1MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 241.07ms. Allocated memory is still 241.2MB. Free memory was 139.6MB in the beginning and 114.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.42ms. Allocated memory is still 241.2MB. Free memory was 114.4MB in the beginning and 150.5MB in the end (delta: -36.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2796.89ms. Allocated memory was 241.2MB in the beginning and 383.8MB in the end (delta: 142.6MB). Free memory was 150.5MB in the beginning and 250.6MB in the end (delta: -100.0MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9260.55ms. Allocated memory was 383.8MB in the beginning and 601.9MB in the end (delta: 218.1MB). Free memory was 250.6MB in the beginning and 162.0MB in the end (delta: 88.5MB). Peak memory consumption was 306.6MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 601.9MB. Free memory is still 161.1MB. 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, overapproximation of bitwiseComplement at line 7045. 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, arg0={18446744073709551858:18446744073709551900}, arg0={18446744073709551858:18446744073709551900}, arg1={20:0}, arg1={20:0}, arg2={105:0}, arg2={105:0}, 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={105:0}, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={105:0}, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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={18446744073709551858:18446744073709551900}, 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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, 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}, val = val & 65535=18446744073709551880] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, 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}, val = val & 65535=18446744073709551880] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, 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}, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, 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}, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, 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}, val = val & 65535=18446744073709551880] [L6846] COND FALSE !((int )cmd == 1074033722) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, 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}, val = val & 65535=18446744073709551880] [L6849] COND FALSE !((int )cmd == 29753) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, 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}, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, 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}, val = val & 65535=18446744073709551880] [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={79:-78}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551902:0}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, 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}, val = val & 65535=18446744073709551880] [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={79:-78}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551902:0}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, 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}, val = val & 65535=18446744073709551880] [L6904] CALL (*((chan->ops)->ioctl))(chan, cmd, arg) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, pf->kind=-8589934591, 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 = val & 65535=18446744073709551880] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, pf->kind=-8589934591, 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 = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L7014] FCALL might_fault() VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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=71, val = val & 65535=18446744073709551880] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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 = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xstate={-18446744073709551689:74}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xstate={-18446744073709551689:74}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xstate={-18446744073709551689:74}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xcomp->comp_free={-1:12}, xstate={-18446744073709551689:74}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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={18446744073709551852:-235}, ppp={18446744073709551852:-235}, 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={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xcomp->comp_free={-1:12}, xstate={-18446744073709551689:74}] [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, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={84:-83}, 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}, val = val & 65535=18446744073709551880] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={84:-83}, module={84:-83}, 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}, val = val & 65535=18446744073709551880] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={84:-83}, module={84:-83}, 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}, val = val & 65535=18446744073709551880] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, 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}, val = val & 65535=18446744073709551880] - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 1467 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3985 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3684 mSDsluCounter, 14374 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8347 mSDsCounter, 791 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4829 IncrementalHoareTripleChecker+Invalid, 5620 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 791 mSolverCounterUnsat, 6027 mSDtfsCounter, 4829 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3150occurred in iteration=2, InterpolantAutomatonStates: 13, 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, 707 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 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 [2022-07-22 22:36:35,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/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-?-791161d [2022-07-22 22:36:36,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 22:36:36,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 22:36:37,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 22:36:37,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 22:36:37,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 22:36:37,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 22:36:37,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 22:36:37,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 22:36:37,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 22:36:37,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 22:36:37,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 22:36:37,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 22:36:37,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 22:36:37,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 22:36:37,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 22:36:37,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 22:36:37,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 22:36:37,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 22:36:37,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 22:36:37,052 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 22:36:37,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 22:36:37,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 22:36:37,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 22:36:37,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 22:36:37,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 22:36:37,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 22:36:37,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 22:36:37,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 22:36:37,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 22:36:37,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 22:36:37,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 22:36:37,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 22:36:37,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 22:36:37,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 22:36:37,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 22:36:37,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 22:36:37,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 22:36:37,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 22:36:37,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 22:36:37,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 22:36:37,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 22:36:37,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-22 22:36:37,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 22:36:37,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 22:36:37,090 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 22:36:37,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 22:36:37,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 22:36:37,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 22:36:37,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 22:36:37,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 22:36:37,092 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 22:36:37,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 22:36:37,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 22:36:37,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 22:36:37,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 22:36:37,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 22:36:37,093 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 22:36:37,093 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 22:36:37,094 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 22:36:37,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 22:36:37,094 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 22:36:37,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 22:36:37,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 22:36:37,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 22:36:37,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 22:36:37,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:36:37,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 22:36:37,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 22:36:37,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 22:36:37,095 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 22:36:37,095 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 22:36:37,096 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 22:36:37,096 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 22:36:37,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 22:36:37,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 22:36:37,096 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-07-22 22:36:37,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 22:36:37,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 22:36:37,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 22:36:37,391 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 22:36:37,392 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 22:36:37,393 INFO L432 ainManager$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 [2022-07-22 22:36:37,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1f3c0fdb/6b8e53464a54471b9ff22b0a6dbf1217/FLAG058babde6 [2022-07-22 22:36:38,047 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 22:36:38,048 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 [2022-07-22 22:36:38,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1f3c0fdb/6b8e53464a54471b9ff22b0a6dbf1217/FLAG058babde6 [2022-07-22 22:36:38,224 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1f3c0fdb/6b8e53464a54471b9ff22b0a6dbf1217 [2022-07-22 22:36:38,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 22:36:38,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 22:36:38,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 22:36:38,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 22:36:38,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 22:36:38,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:36:38" (1/1) ... [2022-07-22 22:36:38,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b5dc09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:38, skipping insertion in model container [2022-07-22 22:36:38,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:36:38" (1/1) ... [2022-07-22 22:36:38,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 22:36:38,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:36:39,671 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] [2022-07-22 22:36:39,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:36:39,752 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-22 22:36:39,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 22:36:40,033 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] [2022-07-22 22:36:40,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:36:40,059 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 22:36:40,348 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] [2022-07-22 22:36:40,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 22:36:40,522 INFO L208 MainTranslator]: Completed translation [2022-07-22 22:36:40,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40 WrapperNode [2022-07-22 22:36:40,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 22:36:40,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 22:36:40,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 22:36:40,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 22:36:40,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40" (1/1) ... [2022-07-22 22:36:40,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40" (1/1) ... [2022-07-22 22:36:40,748 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2022-07-22 22:36:40,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 22:36:40,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 22:36:40,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 22:36:40,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 22:36:40,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40" (1/1) ... [2022-07-22 22:36:40,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40" (1/1) ... [2022-07-22 22:36:40,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40" (1/1) ... [2022-07-22 22:36:40,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40" (1/1) ... [2022-07-22 22:36:40,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40" (1/1) ... [2022-07-22 22:36:40,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40" (1/1) ... [2022-07-22 22:36:40,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40" (1/1) ... [2022-07-22 22:36:40,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 22:36:40,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 22:36:40,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 22:36:40,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 22:36:40,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40" (1/1) ... [2022-07-22 22:36:40,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 22:36:40,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 22:36:40,941 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) [2022-07-22 22:36:40,957 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 [2022-07-22 22:36:40,969 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-22 22:36:40,969 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-22 22:36:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-22 22:36:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-22 22:36:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-22 22:36:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-22 22:36:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-22 22:36:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-22 22:36:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-22 22:36:40,970 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-22 22:36:40,970 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-22 22:36:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-22 22:36:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 22:36:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-22 22:36:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-22 22:36:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-22 22:36:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 22:36:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-22 22:36:40,971 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-22 22:36:40,971 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-22 22:36:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-22 22:36:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-22 22:36:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-22 22:36:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-22 22:36:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-22 22:36:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-22 22:36:40,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-22 22:36:40,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-22 22:36:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-22 22:36:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-22 22:36:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-22 22:36:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-22 22:36:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-22 22:36:40,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 22:36:40,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 22:36:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-22 22:36:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-22 22:36:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-22 22:36:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-22 22:36:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-07-22 22:36:40,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-07-22 22:36:40,974 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-22 22:36:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-22 22:36:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-22 22:36:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-22 22:36:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-22 22:36:40,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-22 22:36:40,975 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-07-22 22:36:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-07-22 22:36:40,976 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-22 22:36:40,976 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-22 22:36:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-22 22:36:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-22 22:36:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-22 22:36:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-22 22:36:40,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 22:36:40,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 22:36:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-22 22:36:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-22 22:36:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-22 22:36:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-22 22:36:40,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-22 22:36:40,978 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-22 22:36:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-22 22:36:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-22 22:36:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-22 22:36:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-22 22:36:40,979 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-07-22 22:36:40,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-07-22 22:36:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 22:36:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-22 22:36:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-22 22:36:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-22 22:36:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-22 22:36:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 22:36:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-22 22:36:40,980 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-22 22:36:40,980 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-22 22:36:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-22 22:36:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-22 22:36:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-22 22:36:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-22 22:36:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-22 22:36:40,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-22 22:36:40,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 22:36:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-22 22:36:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 22:36:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-22 22:36:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-22 22:36:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-22 22:36:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-22 22:36:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 22:36:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-22 22:36:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-22 22:36:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-22 22:36:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-22 22:36:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-22 22:36:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-22 22:36:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-22 22:36:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-22 22:36:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-22 22:36:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-22 22:36:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-07-22 22:36:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-07-22 22:36:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-22 22:36:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-22 22:36:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-22 22:36:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-22 22:36:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-22 22:36:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-22 22:36:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-22 22:36:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-22 22:36:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-22 22:36:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-22 22:36:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-22 22:36:40,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-22 22:36:40,989 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-22 22:36:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-22 22:36:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-22 22:36:40,990 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-22 22:36:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-22 22:36:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-22 22:36:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-22 22:36:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-22 22:36:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-22 22:36:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-22 22:36:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-22 22:36:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-22 22:36:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-22 22:36:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-22 22:36:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-07-22 22:36:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-07-22 22:36:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-22 22:36:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-22 22:36:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-22 22:36:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-22 22:36:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-22 22:36:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-22 22:36:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-22 22:36:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-22 22:36:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-22 22:36:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-22 22:36:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-22 22:36:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-22 22:36:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-22 22:36:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-22 22:36:40,996 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 22:36:40,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 22:36:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-22 22:36:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-22 22:36:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-22 22:36:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-22 22:36:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-22 22:36:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-22 22:36:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-22 22:36:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-22 22:36:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-22 22:36:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-22 22:36:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-22 22:36:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-22 22:36:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-22 22:36:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-22 22:36:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-22 22:36:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-22 22:36:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-22 22:36:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-22 22:36:40,998 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-22 22:36:40,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-22 22:36:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 22:36:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-22 22:36:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-22 22:36:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-22 22:36:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-22 22:36:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 22:36:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-22 22:36:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-22 22:36:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 22:36:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 22:36:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-22 22:36:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-22 22:36:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-22 22:36:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-22 22:36:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-22 22:36:41,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-22 22:36:41,000 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-22 22:36:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-22 22:36:41,001 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-22 22:36:41,001 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-22 22:36:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-22 22:36:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-22 22:36:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-22 22:36:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-22 22:36:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-22 22:36:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-22 22:36:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-22 22:36:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-22 22:36:41,002 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-22 22:36:41,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-22 22:36:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-22 22:36:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-22 22:36:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-22 22:36:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-22 22:36:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-22 22:36:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-22 22:36:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-22 22:36:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-22 22:36:41,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-22 22:36:41,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-22 22:36:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-22 22:36:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-22 22:36:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-22 22:36:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-22 22:36:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 22:36:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 22:36:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-22 22:36:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-22 22:36:41,004 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-22 22:36:41,004 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-22 22:36:41,608 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 22:36:41,610 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 22:36:44,561 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-22 22:36:44,561 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-22 22:36:54,586 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:54,589 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:54,591 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:54,592 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:36:54,635 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-22 22:37:05,131 INFO L764 $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 [2022-07-22 22:37:05,131 INFO L764 $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; [2022-07-22 22:37:05,131 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2022-07-22 22:37:05,131 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2022-07-22 22:37:05,131 INFO L764 $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; [2022-07-22 22:37:05,131 INFO L764 $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 [2022-07-22 22:37:05,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2022-07-22 22:37:05,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2022-07-22 22:37:05,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-07-22 22:37:05,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-07-22 22:37:05,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2022-07-22 22:37:05,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2022-07-22 22:37:05,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2022-07-22 22:37:05,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2022-07-22 22:37:05,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2022-07-22 22:37:05,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2022-07-22 22:37:05,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2022-07-22 22:37:05,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2022-07-22 22:37:05,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2022-07-22 22:37:05,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2022-07-22 22:37:05,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2022-07-22 22:37:05,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2022-07-22 22:37:05,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2022-07-22 22:37:05,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2022-07-22 22:37:05,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-07-22 22:37:05,134 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-07-22 22:37:05,134 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-07-22 22:37:05,134 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-07-22 22:37:05,134 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2022-07-22 22:37:05,134 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2022-07-22 22:37:05,134 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-22 22:37:05,134 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2022-07-22 22:37:05,134 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-22 22:37:05,134 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2022-07-22 22:37:05,134 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2022-07-22 22:37:05,135 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2022-07-22 22:37:05,135 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2022-07-22 22:37:05,135 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2022-07-22 22:37:05,135 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2022-07-22 22:37:05,135 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2022-07-22 22:37:05,135 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2022-07-22 22:37:05,135 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2022-07-22 22:37:05,135 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2022-07-22 22:37:05,135 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2022-07-22 22:37:05,186 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 22:37:05,240 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 22:37:05,241 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-22 22:37:05,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:37:05 BoogieIcfgContainer [2022-07-22 22:37:05,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 22:37:05,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 22:37:05,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 22:37:05,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 22:37:05,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:36:38" (1/3) ... [2022-07-22 22:37:05,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e607b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:37:05, skipping insertion in model container [2022-07-22 22:37:05,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:36:40" (2/3) ... [2022-07-22 22:37:05,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e607b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:37:05, skipping insertion in model container [2022-07-22 22:37:05,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:37:05" (3/3) ... [2022-07-22 22:37:05,252 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-22 22:37:05,261 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 22:37:05,261 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 22:37:05,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 22:37:05,313 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@347eab97, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7a1ccf0a [2022-07-22 22:37:05,313 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 22:37:05,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) [2022-07-22 22:37:05,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-22 22:37:05,325 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:05,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:37:05,325 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:05,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:05,329 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2022-07-22 22:37:05,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 22:37:05,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025541737] [2022-07-22 22:37:05,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:05,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 22:37:05,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 22:37:05,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 22:37:05,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 22:37:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:06,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 22:37:06,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:37:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 22:37:06,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:37:06,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 22:37:06,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1025541737] [2022-07-22 22:37:06,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1025541737] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:06,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:06,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 22:37:06,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673999104] [2022-07-22 22:37:06,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:06,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 22:37:06,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 22:37:06,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 22:37:06,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 22:37:06,202 INFO L87 Difference]: Start difference. First operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) 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) [2022-07-22 22:37:06,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:06,454 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2022-07-22 22:37:06,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 22:37:06,456 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 [2022-07-22 22:37:06,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:06,488 INFO L225 Difference]: With dead ends: 4250 [2022-07-22 22:37:06,488 INFO L226 Difference]: Without dead ends: 2804 [2022-07-22 22:37:06,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 22:37:06,503 INFO L413 NwaCegarLoop]: 2349 mSDtfsCounter, 1978 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 4305 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 [2022-07-22 22:37:06,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 4305 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 22:37:06,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2022-07-22 22:37:06,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2022-07-22 22:37:06,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3291139240506329) internal successors, (2625), 2042 states have internal predecessors, (2625), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2022-07-22 22:37:06,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2022-07-22 22:37:06,660 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2022-07-22 22:37:06,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:06,661 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2022-07-22 22:37:06,661 INFO L496 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) [2022-07-22 22:37:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2022-07-22 22:37:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-22 22:37:06,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:06,673 INFO L195 NwaCegarLoop]: 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] [2022-07-22 22:37:06,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-22 22:37:06,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 22:37:06,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:06,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:06,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2022-07-22 22:37:06,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 22:37:06,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061448802] [2022-07-22 22:37:06,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:06,893 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 22:37:06,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 22:37:06,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 22:37:06,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 22:37:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:07,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 22:37:07,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:37:07,802 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-22 22:37:07,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:37:07,803 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 22:37:07,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061448802] [2022-07-22 22:37:07,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061448802] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:07,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:07,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 22:37:07,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575912538] [2022-07-22 22:37:07,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:07,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 22:37:07,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 22:37:07,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 22:37:07,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 22:37:07,806 INFO L87 Difference]: Start difference. First operand 2801 states and 3908 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-22 22:37:08,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:08,030 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2022-07-22 22:37:08,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 22:37:08,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 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 [2022-07-22 22:37:08,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:08,042 INFO L225 Difference]: With dead ends: 5578 [2022-07-22 22:37:08,042 INFO L226 Difference]: Without dead ends: 2801 [2022-07-22 22:37:08,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-22 22:37:08,050 INFO L413 NwaCegarLoop]: 1981 mSDtfsCounter, 3 mSDsluCounter, 5931 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7912 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:08,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7912 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 22:37:08,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2022-07-22 22:37:08,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2022-07-22 22:37:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3281012658227849) internal successors, (2623), 2040 states have internal predecessors, (2623), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2022-07-22 22:37:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2022-07-22 22:37:08,117 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2022-07-22 22:37:08,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:08,117 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2022-07-22 22:37:08,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-22 22:37:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2022-07-22 22:37:08,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-22 22:37:08,122 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:08,122 INFO L195 NwaCegarLoop]: 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] [2022-07-22 22:37:08,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 22:37:08,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 22:37:08,336 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:08,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:08,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2022-07-22 22:37:08,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 22:37:08,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242187630] [2022-07-22 22:37:08,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:08,337 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 22:37:08,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 22:37:08,338 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 22:37:08,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-22 22:37:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:09,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 22:37:09,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:37:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-22 22:37:09,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:37:09,354 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 22:37:09,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242187630] [2022-07-22 22:37:09,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [242187630] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:09,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:09,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 22:37:09,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330348440] [2022-07-22 22:37:09,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:09,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 22:37:09,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 22:37:09,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 22:37:09,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 22:37:09,356 INFO L87 Difference]: Start difference. First operand 2801 states and 3906 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 22:37:09,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:09,558 INFO L93 Difference]: Finished difference Result 6586 states and 9372 transitions. [2022-07-22 22:37:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 22:37:09,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2022-07-22 22:37:09,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:09,573 INFO L225 Difference]: With dead ends: 6586 [2022-07-22 22:37:09,574 INFO L226 Difference]: Without dead ends: 3812 [2022-07-22 22:37:09,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 22:37:09,582 INFO L413 NwaCegarLoop]: 2334 mSDtfsCounter, 502 mSDsluCounter, 1997 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:09,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 4331 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 22:37:09,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-07-22 22:37:09,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3796. [2022-07-22 22:37:09,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3796 states, 2682 states have (on average 1.3434004474272931) internal successors, (3603), 2761 states have internal predecessors, (3603), 929 states have call successors, (929), 185 states have call predecessors, (929), 184 states have return successors, (933), 909 states have call predecessors, (933), 927 states have call successors, (933) [2022-07-22 22:37:09,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5465 transitions. [2022-07-22 22:37:09,676 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5465 transitions. Word has length 89 [2022-07-22 22:37:09,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:09,676 INFO L495 AbstractCegarLoop]: Abstraction has 3796 states and 5465 transitions. [2022-07-22 22:37:09,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-22 22:37:09,677 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5465 transitions. [2022-07-22 22:37:09,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-22 22:37:09,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:09,683 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:37:09,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-22 22:37:09,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 22:37:09,896 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:09,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:09,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1606886577, now seen corresponding path program 1 times [2022-07-22 22:37:09,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 22:37:09,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792371453] [2022-07-22 22:37:09,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:09,897 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 22:37:09,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 22:37:09,898 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 22:37:09,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-22 22:37:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 22:37:10,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-22 22:37:10,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 22:37:10,970 INFO L356 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-07-22 22:37:10,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 20 [2022-07-22 22:37:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-22 22:37:13,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 22:37:13,762 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 22:37:13,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792371453] [2022-07-22 22:37:13,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792371453] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 22:37:13,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 22:37:13,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 22:37:13,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584473128] [2022-07-22 22:37:13,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 22:37:13,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 22:37:13,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 22:37:13,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 22:37:13,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2022-07-22 22:37:13,764 INFO L87 Difference]: Start difference. First operand 3796 states and 5465 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-22 22:37:20,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:22,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:24,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:26,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:30,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:33,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:35,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:37,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:39,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:42,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:46,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:48,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 22:37:48,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 22:37:48,652 INFO L93 Difference]: Finished difference Result 7578 states and 10952 transitions. [2022-07-22 22:37:48,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 22:37:48,655 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 106 [2022-07-22 22:37:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 22:37:48,679 INFO L225 Difference]: With dead ends: 7578 [2022-07-22 22:37:48,679 INFO L226 Difference]: Without dead ends: 3810 [2022-07-22 22:37:48,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2022-07-22 22:37:48,699 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 4 mSDsluCounter, 5509 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7491 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2022-07-22 22:37:48,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7491 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 430 Invalid, 10 Unknown, 6 Unchecked, 32.7s Time] [2022-07-22 22:37:48,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2022-07-22 22:37:48,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3804. [2022-07-22 22:37:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3804 states, 2688 states have (on average 1.3433779761904763) internal successors, (3611), 2767 states have internal predecessors, (3611), 931 states have call successors, (931), 185 states have call predecessors, (931), 184 states have return successors, (935), 911 states have call predecessors, (935), 929 states have call successors, (935) [2022-07-22 22:37:48,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5477 transitions. [2022-07-22 22:37:48,808 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5477 transitions. Word has length 106 [2022-07-22 22:37:48,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 22:37:48,808 INFO L495 AbstractCegarLoop]: Abstraction has 3804 states and 5477 transitions. [2022-07-22 22:37:48,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-22 22:37:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5477 transitions. [2022-07-22 22:37:48,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-22 22:37:48,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 22:37:48,813 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 22:37:48,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-22 22:37:49,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 22:37:49,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 22:37:49,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 22:37:49,034 INFO L85 PathProgramCache]: Analyzing trace with hash -329013054, now seen corresponding path program 1 times [2022-07-22 22:37:49,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 22:37:49,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165187280] [2022-07-22 22:37:49,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 22:37:49,035 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 22:37:49,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 22:37:49,036 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-22 22:37:49,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-22 22:38:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 22:38:10,251 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 22:38:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 22:38:24,680 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-22 22:38:24,680 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 22:38:24,681 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 22:38:24,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-22 22:38:24,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 22:38:24,906 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-22 22:38:24,908 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 22:38:25,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:38:25 BoogieIcfgContainer [2022-07-22 22:38:25,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 22:38:25,015 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 22:38:25,015 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 22:38:25,016 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 22:38:25,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:37:05" (3/4) ... [2022-07-22 22:38:25,019 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 22:38:25,020 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 22:38:25,020 INFO L158 Benchmark]: Toolchain (without parser) took 106792.75ms. Allocated memory was 58.7MB in the beginning and 352.3MB in the end (delta: 293.6MB). Free memory was 24.7MB in the beginning and 165.7MB in the end (delta: -141.0MB). Peak memory consumption was 152.2MB. Max. memory is 16.1GB. [2022-07-22 22:38:25,020 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 40.7MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:38:25,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2293.27ms. Allocated memory was 58.7MB in the beginning and 176.2MB in the end (delta: 117.4MB). Free memory was 24.6MB in the beginning and 77.3MB in the end (delta: -52.7MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2022-07-22 22:38:25,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 224.95ms. Allocated memory is still 176.2MB. Free memory was 77.3MB in the beginning and 106.0MB in the end (delta: -28.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-22 22:38:25,021 INFO L158 Benchmark]: Boogie Preprocessor took 139.10ms. Allocated memory is still 176.2MB. Free memory was 106.0MB in the beginning and 80.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-22 22:38:25,021 INFO L158 Benchmark]: RCFGBuilder took 24354.76ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 80.8MB in the beginning and 263.5MB in the end (delta: -182.7MB). Peak memory consumption was 158.1MB. Max. memory is 16.1GB. [2022-07-22 22:38:25,021 INFO L158 Benchmark]: TraceAbstraction took 79767.47ms. Allocated memory is still 352.3MB. Free memory was 263.1MB in the beginning and 165.7MB in the end (delta: 97.4MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2022-07-22 22:38:25,022 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 352.3MB. Free memory is still 165.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 22:38:25,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 40.7MB in the beginning and 40.7MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2293.27ms. Allocated memory was 58.7MB in the beginning and 176.2MB in the end (delta: 117.4MB). Free memory was 24.6MB in the beginning and 77.3MB in the end (delta: -52.7MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 224.95ms. Allocated memory is still 176.2MB. Free memory was 77.3MB in the beginning and 106.0MB in the end (delta: -28.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.10ms. Allocated memory is still 176.2MB. Free memory was 106.0MB in the beginning and 80.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 24354.76ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 80.8MB in the beginning and 263.5MB in the end (delta: -182.7MB). Peak memory consumption was 158.1MB. Max. memory is 16.1GB. * TraceAbstraction took 79767.47ms. Allocated memory is still 352.3MB. Free memory was 263.1MB in the beginning and 165.7MB in the end (delta: 97.4MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 352.3MB. Free memory is still 165.7MB. 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. 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={0:0}, 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={0:0}, 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={0:0}, 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={0:0}, 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={0:0}, arg0={0:0}, arg0={0:0}, arg1={20:0}, arg1={20:0}, arg2={111:0}, arg2={111:0}, 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={111:0}, __this_module={0:0}, 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={0:0}, 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={0:0}, 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={111:0}, __this_module={0:0}, 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={0:0}, 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={0:0}, 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={0:0}, 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=2147483648] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={0:0}, 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=2147483648] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={0:0}, 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=2147483648] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={0:0}, 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=2147483648] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={0:0}, 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=2147483648] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={0:0}, 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=2147483648] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={0:0}, 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=2147483648] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) [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)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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 TRUE cmd == 1074033724U [L6806] err = -22 VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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}] [L6807] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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}] [L6809] EXPR pf->kind VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, pf->kind=-2147483647, 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}] [L6809] COND FALSE !((unsigned int )pf->kind == 1U) [L6821] CALL, EXPR atomic_long_read(& file->f_count) VAL [__this_module={0:0}, 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}] [L5267] atomic64_t *v ; [L5268] long tmp ; [L5271] v = l [L5272] CALL, EXPR atomic64_read((atomic64_t const *)v) [L5263] EXPR v->counter [L5263] return ((long )*((long volatile *)(& v->counter))); [L5272] RET, EXPR atomic64_read((atomic64_t const *)v) [L5272] tmp = atomic64_read((atomic64_t const *)v) [L5274] return (tmp); VAL [\result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, l={0:-9223372036846387365}, l={0:-9223372036846387365}, 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, v={0:-9223372036846387365}] [L6821] RET, EXPR atomic_long_read(& file->f_count) VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, atomic_long_read(& file->f_count)=0, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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}] [L6821] tmp___2 = atomic_long_read(& file->f_count) [L6823] COND TRUE tmp___2 <= 2L VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, 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___2=0] [L6825] CALL ppp_release((struct inode *)0, file) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, 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}, unused={0:0}] [L6335] struct ppp_file *pf ; [L6336] struct ppp *ppp ; [L6337] struct ppp_file const *__mptr ; [L6338] struct ppp_file const *__mptr___0 ; [L6339] struct ppp_file const *__mptr___1 ; [L6340] int tmp ; [L6342] EXPR file->private_data [L6342] pf = (struct ppp_file *)file->private_data [L6343] COND TRUE (unsigned long )pf != (unsigned long )((struct ppp_file *)0) [L6344] file->private_data = (void *)0 [L6345] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, pf->kind=1, 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}, unused={0:0}, unused={0:0}] [L6345] COND TRUE (unsigned int )pf->kind == 1U [L6346] __mptr = (struct ppp_file const *)pf [L6347] ppp = (struct ppp *)__mptr [L6348] EXPR ppp->owner VAL [\old(ldv_module_refcounter)=1, __mptr={0:-9223372036846387200}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp->owner={0:-9223363240761753600}, 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}, unused={0:0}, unused={0:0}] [L6348] COND FALSE !((unsigned long )ppp->owner == (unsigned long )file) [L6357] CALL, EXPR atomic_dec_and_test(& pf->refcnt) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, 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}, v={0:-9223372036846386936}] [L5253] unsigned char c ; [L5257] return ((unsigned int )c != 0U); VAL [\old(ldv_module_refcounter)=1, \result=1, __this_module={0:0}, c=2, 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}, v={0:-9223372036846386936}, v={0:-9223372036846386936}] [L6357] RET, EXPR atomic_dec_and_test(& pf->refcnt) VAL [\old(ldv_module_refcounter)=1, __mptr={0:-9223372036846387200}, __this_module={0:0}, atomic_dec_and_test(& pf->refcnt)=1, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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}, unused={0:0}, unused={0:0}] [L6357] tmp = atomic_dec_and_test(& pf->refcnt) [L6359] COND TRUE tmp != 0 [L6360] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __mptr={0:-9223372036846387200}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, pf->kind=1, ppp={0:-9223372036846387200}, 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=1, unused={0:0}, unused={0:0}] [L6360] COND TRUE (int )((unsigned int )pf->kind) == 1 [L6369] __mptr___0 = (struct ppp_file const *)pf VAL [\old(ldv_module_refcounter)=1, __mptr={0:-9223372036846387200}, __mptr___0={0:-9223372036846387200}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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=1, unused={0:0}, unused={0:0}] [L6370] CALL ppp_destroy_interface((struct ppp *)__mptr___0) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, 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={0:-9223372036846387200}, 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}] [L10292] FCALL atomic_dec(& ppp_unit_count) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, 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={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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}] [L10294] EXPR ppp->file.dead VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, 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={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp->file.dead=-2147483648, 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}] [L10294] COND FALSE !(ppp->file.dead == 0) [L10301] EXPR ppp->n_channels VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, 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={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp->n_channels=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}] [L10301] COND FALSE !(ppp->n_channels != 0) [L10310] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, 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={0:-9223372036846387200}, 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={0:0}, 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={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:0}, 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={0:0}, 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={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:0}, 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={0:0}, 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={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:0}, 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={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xstate={551903297536:-9223372034707291648}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, 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={0:0}, 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={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xstate={551903297536:-9223372034707291648}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, 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={0:0}, 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={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xstate={551903297536:-9223372034707291648}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, 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={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xcomp->comp_free={9223372036854775806:12}, xstate={551903297536:-9223372034707291648}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, 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={0:0}, 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={0:-9223372036846387200}, ppp={0:-9223372036846387200}, 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={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xcomp->comp_free={9223372036854775806:12}, xstate={551903297536:-9223372034707291648}] [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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854763520}, 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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854763520}, module={0:-9223372036854763520}, 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={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854763520}, module={0:-9223372036854763520}, 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={0:0}, 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={0:0}, 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 94 procedures, 1432 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 79.6s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 35.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 2641 SdHoareTripleChecker+Valid, 32.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2487 mSDsluCounter, 24039 SdHoareTripleChecker+Invalid, 31.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 6 IncrementalHoareTripleChecker+Unchecked, 15393 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 472 IncrementalHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 8646 mSDtfsCounter, 472 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 268 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3804occurred in iteration=4, 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, 4 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 22.7s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 277 ConstructedInterpolants, 1 QuantifiedInterpolants, 491 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3665 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-22 22:38:25,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample