./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 6c24879c 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-?-6c24879 [2022-07-12 11:19:43,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 11:19:43,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 11:19:43,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 11:19:43,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 11:19:43,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 11:19:43,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 11:19:43,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 11:19:43,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 11:19:43,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 11:19:43,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 11:19:43,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 11:19:43,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 11:19:43,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 11:19:43,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 11:19:43,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 11:19:43,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 11:19:43,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 11:19:43,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 11:19:43,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 11:19:43,374 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 11:19:43,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 11:19:43,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 11:19:43,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 11:19:43,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 11:19:43,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 11:19:43,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 11:19:43,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 11:19:43,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 11:19:43,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 11:19:43,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 11:19:43,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 11:19:43,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 11:19:43,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 11:19:43,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 11:19:43,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 11:19:43,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 11:19:43,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 11:19:43,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 11:19:43,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 11:19:43,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 11:19:43,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 11:19:43,395 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 11:19:43,413 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 11:19:43,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 11:19:43,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 11:19:43,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 11:19:43,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 11:19:43,415 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 11:19:43,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 11:19:43,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 11:19:43,415 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 11:19:43,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 11:19:43,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 11:19:43,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 11:19:43,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 11:19:43,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 11:19:43,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 11:19:43,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 11:19:43,417 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 11:19:43,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 11:19:43,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 11:19:43,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 11:19:43,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 11:19:43,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:19:43,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 11:19:43,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 11:19:43,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 11:19:43,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 11:19:43,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 11:19:43,419 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 11:19:43,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 11:19:43,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 11:19:43,420 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-07-12 11:19:43,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 11:19:43,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 11:19:43,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 11:19:43,627 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 11:19:43,627 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 11:19:43,628 INFO L432 ainManager$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 [2022-07-12 11:19:43,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a46f081/cdb68b904fce47f1b2391fa4bf19ee62/FLAGb3766e57a [2022-07-12 11:19:44,324 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 11:19:44,324 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 [2022-07-12 11:19:44,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a46f081/cdb68b904fce47f1b2391fa4bf19ee62/FLAGb3766e57a [2022-07-12 11:19:44,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00a46f081/cdb68b904fce47f1b2391fa4bf19ee62 [2022-07-12 11:19:44,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 11:19:44,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 11:19:44,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 11:19:44,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 11:19:44,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 11:19:44,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:19:44" (1/1) ... [2022-07-12 11:19:44,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60615127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:44, skipping insertion in model container [2022-07-12 11:19:44,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:19:44" (1/1) ... [2022-07-12 11:19:44,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 11:19:44,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 11:19:46,042 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] [2022-07-12 11:19:46,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:19:46,130 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 11:19:46,377 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] [2022-07-12 11:19:46,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:19:46,555 INFO L208 MainTranslator]: Completed translation [2022-07-12 11:19:46,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46 WrapperNode [2022-07-12 11:19:46,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 11:19:46,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 11:19:46,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 11:19:46,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 11:19:46,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46" (1/1) ... [2022-07-12 11:19:46,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46" (1/1) ... [2022-07-12 11:19:46,771 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4270 [2022-07-12 11:19:46,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 11:19:46,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 11:19:46,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 11:19:46,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 11:19:46,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46" (1/1) ... [2022-07-12 11:19:46,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46" (1/1) ... [2022-07-12 11:19:46,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46" (1/1) ... [2022-07-12 11:19:46,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46" (1/1) ... [2022-07-12 11:19:46,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46" (1/1) ... [2022-07-12 11:19:46,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46" (1/1) ... [2022-07-12 11:19:46,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46" (1/1) ... [2022-07-12 11:19:46,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 11:19:46,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 11:19:46,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 11:19:46,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 11:19:46,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46" (1/1) ... [2022-07-12 11:19:46,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:19:46,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:19:46,946 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) [2022-07-12 11:19:46,955 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 [2022-07-12 11:19:46,981 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-12 11:19:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-12 11:19:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-12 11:19:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-12 11:19:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-12 11:19:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-12 11:19:46,982 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-12 11:19:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-12 11:19:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 11:19:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-12 11:19:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-12 11:19:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 11:19:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-12 11:19:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-12 11:19:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 11:19:46,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-12 11:19:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-12 11:19:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-12 11:19:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-12 11:19:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-12 11:19:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-12 11:19:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-12 11:19:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-12 11:19:46,984 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-12 11:19:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-12 11:19:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 11:19:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 11:19:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-12 11:19:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-12 11:19:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 11:19:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 11:19:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 11:19:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 11:19:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-12 11:19:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-12 11:19:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-12 11:19:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-12 11:19:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-12 11:19:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-12 11:19:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-12 11:19:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-12 11:19:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 11:19:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 11:19:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-07-12 11:19:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-07-12 11:19:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-12 11:19:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-12 11:19:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-12 11:19:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-12 11:19:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 11:19:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 11:19:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 11:19:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 11:19:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-12 11:19:46,988 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-12 11:19:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 11:19:46,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 11:19:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-12 11:19:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-12 11:19:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-12 11:19:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-12 11:19:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-12 11:19:46,990 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-12 11:19:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-07-12 11:19:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-07-12 11:19:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 11:19:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 11:19:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 11:19:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-12 11:19:46,991 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-12 11:19:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 11:19:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-12 11:19:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-12 11:19:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 11:19:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 11:19:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-12 11:19:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-12 11:19:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 11:19:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 11:19:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-12 11:19:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-12 11:19:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 11:19:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 11:19:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-12 11:19:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-12 11:19:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 11:19:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 11:19:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 11:19:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 11:19:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-12 11:19:46,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-12 11:19:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-07-12 11:19:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-07-12 11:19:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 11:19:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 11:19:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 11:19:46,995 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 11:19:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 11:19:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 11:19:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-12 11:19:46,996 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-12 11:19:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-12 11:19:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-12 11:19:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 11:19:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 11:19:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 11:19:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 11:19:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 11:19:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 11:19:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 11:19:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-12 11:19:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-12 11:19:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 11:19:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 11:19:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-12 11:19:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-12 11:19:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 11:19:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-12 11:19:46,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-12 11:19:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 11:19:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 11:19:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-07-12 11:19:47,001 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-07-12 11:19:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 11:19:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 11:19:47,003 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 11:19:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-12 11:19:47,003 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-12 11:19:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-12 11:19:47,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-12 11:19:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-12 11:19:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-12 11:19:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-12 11:19:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-12 11:19:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-12 11:19:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-12 11:19:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-12 11:19:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-12 11:19:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 11:19:47,008 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 11:19:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-12 11:19:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-12 11:19:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-12 11:19:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-12 11:19:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 11:19:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 11:19:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 11:19:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-12 11:19:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-12 11:19:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-12 11:19:47,009 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-12 11:19:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-12 11:19:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-12 11:19:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-12 11:19:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-12 11:19:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 11:19:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 11:19:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 11:19:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 11:19:47,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 11:19:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 11:19:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 11:19:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 11:19:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 11:19:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 11:19:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-12 11:19:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-12 11:19:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 11:19:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 11:19:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-12 11:19:47,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-12 11:19:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 11:19:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 11:19:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 11:19:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 11:19:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 11:19:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 11:19:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-12 11:19:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-12 11:19:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-12 11:19:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-12 11:19:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-12 11:19:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-12 11:19:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 11:19:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 11:19:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-12 11:19:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-12 11:19:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 11:19:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 11:19:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-12 11:19:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-12 11:19:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 11:19:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-12 11:19:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-07-12 11:19:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-07-12 11:19:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-12 11:19:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-12 11:19:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-07-12 11:19:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-07-12 11:19:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 11:19:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-12 11:19:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-12 11:19:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 11:19:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 11:19:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 11:19:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 11:19:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 11:19:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 11:19:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 11:19:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 11:19:47,559 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 11:19:47,564 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 11:19:47,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-12 11:19:47,960 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-12 11:19:48,571 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-12 11:19:48,574 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-12 11:19:48,575 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-12 11:19:48,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2022-07-12 11:19:48,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2022-07-12 11:19:48,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume false; [2022-07-12 11:19:48,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##262: assume !false; [2022-07-12 11:19:48,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2022-07-12 11:19:48,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2022-07-12 11:19:48,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-07-12 11:19:48,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2022-07-12 11:19:48,929 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2022-07-12 11:19:48,929 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2022-07-12 11:19:48,929 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2022-07-12 11:19:48,929 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-07-12 11:19:48,929 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-07-12 11:19:49,022 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-12 11:19:49,026 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-12 11:19:49,542 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 [2022-07-12 11:19:49,542 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; [2022-07-12 11:19:49,542 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; [2022-07-12 11:19:49,542 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 [2022-07-12 11:19:49,542 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-07-12 11:19:49,542 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-07-12 11:19:49,542 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-07-12 11:19:49,542 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-07-12 11:19:49,542 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-12 11:19:49,542 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-12 11:19:49,542 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2022-07-12 11:19:49,542 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2022-07-12 11:19:49,569 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 11:19:49,586 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 11:19:49,587 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-12 11:19:49,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:19:49 BoogieIcfgContainer [2022-07-12 11:19:49,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 11:19:49,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 11:19:49,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 11:19:49,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 11:19:49,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 11:19:44" (1/3) ... [2022-07-12 11:19:49,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bad3300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:19:49, skipping insertion in model container [2022-07-12 11:19:49,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:19:46" (2/3) ... [2022-07-12 11:19:49,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bad3300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:19:49, skipping insertion in model container [2022-07-12 11:19:49,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:19:49" (3/3) ... [2022-07-12 11:19:49,598 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-12 11:19:49,608 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 11:19:49,608 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 11:19:49,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 11:19:49,685 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@13885b45, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6c4c6b82 [2022-07-12 11:19:49,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 11:19:49,692 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) [2022-07-12 11:19:49,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-12 11:19:49,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:19:49,699 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:19:49,699 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:19:49,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:19:49,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1853015897, now seen corresponding path program 1 times [2022-07-12 11:19:49,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:19:49,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381974390] [2022-07-12 11:19:49,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:19:49,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:19:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:49,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 11:19:50,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:19:50,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381974390] [2022-07-12 11:19:50,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381974390] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:19:50,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:19:50,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 11:19:50,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911571959] [2022-07-12 11:19:50,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:19:50,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 11:19:50,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:19:50,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 11:19:50,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:19:50,042 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) [2022-07-12 11:19:50,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:19:50,232 INFO L93 Difference]: Finished difference Result 4355 states and 6322 transitions. [2022-07-12 11:19:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 11:19:50,235 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 [2022-07-12 11:19:50,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:19:50,256 INFO L225 Difference]: With dead ends: 4355 [2022-07-12 11:19:50,256 INFO L226 Difference]: Without dead ends: 2874 [2022-07-12 11:19:50,268 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 [2022-07-12 11:19:50,270 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 [2022-07-12 11:19:50,271 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] [2022-07-12 11:19:50,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2022-07-12 11:19:50,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2871. [2022-07-12 11:19:50,397 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) [2022-07-12 11:19:50,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 3997 transitions. [2022-07-12 11:19:50,414 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 3997 transitions. Word has length 12 [2022-07-12 11:19:50,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:19:50,414 INFO L495 AbstractCegarLoop]: Abstraction has 2871 states and 3997 transitions. [2022-07-12 11:19:50,414 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) [2022-07-12 11:19:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 3997 transitions. [2022-07-12 11:19:50,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-12 11:19:50,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:19:50,424 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] [2022-07-12 11:19:50,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 11:19:50,425 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:19:50,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:19:50,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1353128840, now seen corresponding path program 1 times [2022-07-12 11:19:50,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:19:50,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261118803] [2022-07-12 11:19:50,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:19:50,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:19:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:50,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 11:19:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:50,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 11:19:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:50,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 11:19:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:50,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 11:19:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:50,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 11:19:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:50,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 11:19:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:50,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 11:19:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-12 11:19:50,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:19:50,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261118803] [2022-07-12 11:19:50,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261118803] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:19:50,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:19:50,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 11:19:50,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348094665] [2022-07-12 11:19:50,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:19:50,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 11:19:50,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:19:50,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 11:19:50,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 11:19:50,657 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) [2022-07-12 11:19:53,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:19:53,578 INFO L93 Difference]: Finished difference Result 6354 states and 8980 transitions. [2022-07-12 11:19:53,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 11:19:53,578 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 [2022-07-12 11:19:53,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:19:53,596 INFO L225 Difference]: With dead ends: 6354 [2022-07-12 11:19:53,596 INFO L226 Difference]: Without dead ends: 3510 [2022-07-12 11:19:53,604 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 [2022-07-12 11:19:53,606 INFO L413 NwaCegarLoop]: 1815 mSDtfsCounter, 917 mSDsluCounter, 1838 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 3653 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 [2022-07-12 11:19:53,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 3653 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 11:19:53,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3510 states. [2022-07-12 11:19:53,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3510 to 3150. [2022-07-12 11:19:53,702 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) [2022-07-12 11:19:53,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4422 transitions. [2022-07-12 11:19:53,722 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4422 transitions. Word has length 74 [2022-07-12 11:19:53,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:19:53,722 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4422 transitions. [2022-07-12 11:19:53,722 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) [2022-07-12 11:19:53,723 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4422 transitions. [2022-07-12 11:19:53,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-12 11:19:53,730 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:19:53,730 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] [2022-07-12 11:19:53,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 11:19:53,731 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:19:53,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:19:53,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1496577686, now seen corresponding path program 1 times [2022-07-12 11:19:53,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:19:53,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634138683] [2022-07-12 11:19:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:19:53,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:19:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:53,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 11:19:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:53,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 11:19:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:53,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 11:19:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:53,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 11:19:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:53,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 11:19:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:53,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 11:19:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 11:19:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 11:19:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 11:19:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:19:54,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-12 11:19:54,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 11:19:54,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634138683] [2022-07-12 11:19:54,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634138683] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:19:54,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:19:54,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 11:19:54,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925803485] [2022-07-12 11:19:54,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:19:54,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 11:19:54,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 11:19:54,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 11:19:54,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 11:19:54,026 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) [2022-07-12 11:19:57,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:19:57,225 INFO L93 Difference]: Finished difference Result 6620 states and 9377 transitions. [2022-07-12 11:19:57,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 11:19:57,226 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 [2022-07-12 11:19:57,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:19:57,241 INFO L225 Difference]: With dead ends: 6620 [2022-07-12 11:19:57,241 INFO L226 Difference]: Without dead ends: 3494 [2022-07-12 11:19:57,250 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 [2022-07-12 11:19:57,251 INFO L413 NwaCegarLoop]: 1816 mSDtfsCounter, 746 mSDsluCounter, 4509 mSDsCounter, 0 mSdLazyCounter, 3217 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 11:19:57,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 6325 Invalid, 3592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 3217 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 11:19:57,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3494 states. [2022-07-12 11:19:57,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3494 to 3150. [2022-07-12 11:19:57,332 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) [2022-07-12 11:19:57,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4420 transitions. [2022-07-12 11:19:57,343 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4420 transitions. Word has length 92 [2022-07-12 11:19:57,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:19:57,344 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4420 transitions. [2022-07-12 11:19:57,344 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) [2022-07-12 11:19:57,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4420 transitions. [2022-07-12 11:19:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 11:19:57,349 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:19:57,350 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] [2022-07-12 11:19:57,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 11:19:57,350 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:19:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:19:57,350 INFO L85 PathProgramCache]: Analyzing trace with hash -722462712, now seen corresponding path program 1 times [2022-07-12 11:19:57,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 11:19:57,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105860663] [2022-07-12 11:19:57,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:19:57,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 11:19:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 11:19:57,977 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 11:19:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 11:19:58,322 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 11:19:58,323 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 11:19:58,324 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 11:19:58,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 11:19:58,327 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-12 11:19:58,330 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 11:19:58,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 11:19:58 BoogieIcfgContainer [2022-07-12 11:19:58,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 11:19:58,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 11:19:58,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 11:19:58,422 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 11:19:58,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:19:49" (3/4) ... [2022-07-12 11:19:58,424 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 11:19:58,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 11:19:58,425 INFO L158 Benchmark]: Toolchain (without parser) took 13718.73ms. Allocated memory was 123.7MB in the beginning and 601.9MB in the end (delta: 478.2MB). Free memory was 95.2MB in the beginning and 194.9MB in the end (delta: -99.7MB). Peak memory consumption was 379.5MB. Max. memory is 16.1GB. [2022-07-12 11:19:58,425 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 39.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 11:19:58,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1850.34ms. Allocated memory was 123.7MB in the beginning and 174.1MB in the end (delta: 50.3MB). Free memory was 95.2MB in the beginning and 75.9MB in the end (delta: 19.3MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2022-07-12 11:19:58,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.82ms. Allocated memory is still 174.1MB. Free memory was 75.9MB in the beginning and 97.8MB in the end (delta: -22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-12 11:19:58,426 INFO L158 Benchmark]: Boogie Preprocessor took 149.27ms. Allocated memory is still 174.1MB. Free memory was 97.8MB in the beginning and 71.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-12 11:19:58,426 INFO L158 Benchmark]: RCFGBuilder took 2668.64ms. Allocated memory was 174.1MB in the beginning and 255.9MB in the end (delta: 81.8MB). Free memory was 71.6MB in the beginning and 120.5MB in the end (delta: -48.8MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. [2022-07-12 11:19:58,426 INFO L158 Benchmark]: TraceAbstraction took 8828.84ms. Allocated memory was 255.9MB in the beginning and 601.9MB in the end (delta: 346.0MB). Free memory was 120.5MB in the beginning and 194.9MB in the end (delta: -74.4MB). Peak memory consumption was 271.6MB. Max. memory is 16.1GB. [2022-07-12 11:19:58,426 INFO L158 Benchmark]: Witness Printer took 2.87ms. Allocated memory is still 601.9MB. Free memory is still 194.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 11:19:58,428 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 92.3MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 39.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1850.34ms. Allocated memory was 123.7MB in the beginning and 174.1MB in the end (delta: 50.3MB). Free memory was 95.2MB in the beginning and 75.9MB in the end (delta: 19.3MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.82ms. Allocated memory is still 174.1MB. Free memory was 75.9MB in the beginning and 97.8MB in the end (delta: -22.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.27ms. Allocated memory is still 174.1MB. Free memory was 97.8MB in the beginning and 71.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2668.64ms. Allocated memory was 174.1MB in the beginning and 255.9MB in the end (delta: 81.8MB). Free memory was 71.6MB in the beginning and 120.5MB in the end (delta: -48.8MB). Peak memory consumption was 96.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8828.84ms. Allocated memory was 255.9MB in the beginning and 601.9MB in the end (delta: 346.0MB). Free memory was 120.5MB in the beginning and 194.9MB in the end (delta: -74.4MB). Peak memory consumption was 271.6MB. Max. memory is 16.1GB. * Witness Printer took 2.87ms. Allocated memory is still 601.9MB. Free memory is still 194.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167, overapproximation of bitwiseOr at line 7938, overapproximation of bitwiseAnd at line 7939, 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: 8.7s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3985 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3684 mSDsluCounter, 14377 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8349 mSDsCounter, 791 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4829 IncrementalHoareTripleChecker+Invalid, 5620 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 791 mSolverCounterUnsat, 6028 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: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 707 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s 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 [2022-07-12 11:19:58,463 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-?-6c24879 [2022-07-12 11:20:00,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 11:20:00,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 11:20:00,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 11:20:00,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 11:20:00,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 11:20:00,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 11:20:00,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 11:20:00,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 11:20:00,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 11:20:00,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 11:20:00,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 11:20:00,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 11:20:00,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 11:20:00,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 11:20:00,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 11:20:00,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 11:20:00,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 11:20:00,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 11:20:00,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 11:20:00,219 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 11:20:00,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 11:20:00,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 11:20:00,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 11:20:00,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 11:20:00,226 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 11:20:00,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 11:20:00,227 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 11:20:00,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 11:20:00,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 11:20:00,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 11:20:00,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 11:20:00,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 11:20:00,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 11:20:00,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 11:20:00,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 11:20:00,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 11:20:00,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 11:20:00,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 11:20:00,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 11:20:00,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 11:20:00,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 11:20:00,240 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 11:20:00,262 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 11:20:00,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 11:20:00,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 11:20:00,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 11:20:00,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 11:20:00,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 11:20:00,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 11:20:00,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 11:20:00,264 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 11:20:00,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 11:20:00,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 11:20:00,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 11:20:00,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 11:20:00,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 11:20:00,266 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 11:20:00,266 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 11:20:00,266 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 11:20:00,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 11:20:00,266 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 11:20:00,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 11:20:00,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 11:20:00,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 11:20:00,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 11:20:00,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:20:00,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 11:20:00,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 11:20:00,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 11:20:00,268 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 11:20:00,268 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 11:20:00,268 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 11:20:00,268 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 11:20:00,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 11:20:00,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 11:20:00,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-07-12 11:20:00,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 11:20:00,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 11:20:00,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 11:20:00,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 11:20:00,540 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 11:20:00,542 INFO L432 ainManager$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 [2022-07-12 11:20:00,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed75830c8/6572e74416344108be137d627188dfe5/FLAGc112eb94e [2022-07-12 11:20:01,133 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 11:20:01,133 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 [2022-07-12 11:20:01,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed75830c8/6572e74416344108be137d627188dfe5/FLAGc112eb94e [2022-07-12 11:20:01,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed75830c8/6572e74416344108be137d627188dfe5 [2022-07-12 11:20:01,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 11:20:01,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 11:20:01,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 11:20:01,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 11:20:01,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 11:20:01,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:20:01" (1/1) ... [2022-07-12 11:20:01,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708e1d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:01, skipping insertion in model container [2022-07-12 11:20:01,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 11:20:01" (1/1) ... [2022-07-12 11:20:01,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 11:20:01,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 11:20:02,693 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] [2022-07-12 11:20:02,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:20:02,778 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 11:20:02,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 11:20:03,068 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] [2022-07-12 11:20:03,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:20:03,129 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 11:20:03,377 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] [2022-07-12 11:20:03,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 11:20:03,554 INFO L208 MainTranslator]: Completed translation [2022-07-12 11:20:03,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03 WrapperNode [2022-07-12 11:20:03,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 11:20:03,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 11:20:03,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 11:20:03,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 11:20:03,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03" (1/1) ... [2022-07-12 11:20:03,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03" (1/1) ... [2022-07-12 11:20:03,775 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2022-07-12 11:20:03,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 11:20:03,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 11:20:03,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 11:20:03,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 11:20:03,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03" (1/1) ... [2022-07-12 11:20:03,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03" (1/1) ... [2022-07-12 11:20:03,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03" (1/1) ... [2022-07-12 11:20:03,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03" (1/1) ... [2022-07-12 11:20:03,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03" (1/1) ... [2022-07-12 11:20:03,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03" (1/1) ... [2022-07-12 11:20:03,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03" (1/1) ... [2022-07-12 11:20:03,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 11:20:03,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 11:20:03,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 11:20:03,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 11:20:03,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03" (1/1) ... [2022-07-12 11:20:03,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 11:20:03,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 11:20:03,969 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) [2022-07-12 11:20:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-12 11:20:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-12 11:20:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 11:20:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 11:20:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-12 11:20:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-12 11:20:03,998 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-12 11:20:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-12 11:20:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 11:20:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-12 11:20:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-12 11:20:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 11:20:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 11:20:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-12 11:20:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-12 11:20:03,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 11:20:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 11:20:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-12 11:20:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-12 11:20:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-12 11:20:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-12 11:20:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-12 11:20:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-12 11:20:04,000 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-12 11:20:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-12 11:20:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-12 11:20:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-12 11:20:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 11:20:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 11:20:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-12 11:20:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-12 11:20:04,001 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 11:20:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 11:20:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 11:20:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 11:20:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-12 11:20:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-12 11:20:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-12 11:20:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-12 11:20:04,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-07-12 11:20:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-07-12 11:20:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-12 11:20:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-12 11:20:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-12 11:20:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-12 11:20:03,991 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 [2022-07-12 11:20:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 11:20:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 11:20:04,008 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-07-12 11:20:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-07-12 11:20:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-12 11:20:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-12 11:20:04,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-12 11:20:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-12 11:20:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 11:20:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 11:20:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 11:20:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 11:20:04,010 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-12 11:20:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-12 11:20:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 11:20:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 11:20:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-12 11:20:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-12 11:20:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-12 11:20:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-12 11:20:04,011 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-12 11:20:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-12 11:20:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-07-12 11:20:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-07-12 11:20:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 11:20:04,012 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 11:20:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 11:20:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-12 11:20:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-12 11:20:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 11:20:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-12 11:20:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-12 11:20:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 11:20:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 11:20:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 11:20:04,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 11:20:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 11:20:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-12 11:20:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-12 11:20:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 11:20:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 11:20:04,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 11:20:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-12 11:20:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-12 11:20:04,015 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 11:20:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 11:20:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 11:20:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 11:20:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-12 11:20:04,016 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-12 11:20:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 11:20:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 11:20:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 11:20:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 11:20:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 11:20:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-12 11:20:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-12 11:20:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-07-12 11:20:04,017 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-07-12 11:20:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 11:20:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 11:20:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 11:20:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 11:20:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 11:20:04,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 11:20:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-12 11:20:04,019 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-12 11:20:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-12 11:20:04,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-12 11:20:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 11:20:04,021 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 11:20:04,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 11:20:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 11:20:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 11:20:04,022 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 11:20:04,022 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-12 11:20:04,027 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-12 11:20:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 11:20:04,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 11:20:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-12 11:20:04,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-12 11:20:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-12 11:20:04,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-12 11:20:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 11:20:04,027 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 11:20:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-07-12 11:20:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-07-12 11:20:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 11:20:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 11:20:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-12 11:20:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-12 11:20:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-12 11:20:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-12 11:20:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-12 11:20:04,028 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-12 11:20:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-12 11:20:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-12 11:20:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-12 11:20:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-12 11:20:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-12 11:20:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-12 11:20:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 11:20:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 11:20:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-12 11:20:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-12 11:20:04,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-12 11:20:04,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-12 11:20:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 11:20:04,030 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 11:20:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-12 11:20:04,030 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-12 11:20:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 11:20:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-12 11:20:04,030 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-12 11:20:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 11:20:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 11:20:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 11:20:04,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 11:20:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 11:20:04,031 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-12 11:20:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-12 11:20:04,031 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-12 11:20:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-12 11:20:04,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 11:20:04,031 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 11:20:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 11:20:04,031 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 11:20:04,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 11:20:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 11:20:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 11:20:04,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 11:20:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 11:20:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 11:20:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 11:20:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 11:20:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 11:20:04,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 11:20:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 11:20:04,032 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-12 11:20:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-12 11:20:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 11:20:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 11:20:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 11:20:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 11:20:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 11:20:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 11:20:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-12 11:20:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-12 11:20:04,033 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-12 11:20:04,033 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-12 11:20:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-12 11:20:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-12 11:20:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 11:20:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 11:20:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-12 11:20:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-12 11:20:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 11:20:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 11:20:04,034 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-12 11:20:04,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-12 11:20:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-12 11:20:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-12 11:20:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 11:20:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-12 11:20:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-12 11:20:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 11:20:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-12 11:20:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 11:20:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 11:20:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 11:20:04,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 11:20:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 11:20:04,036 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 11:20:04,523 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 11:20:04,525 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 11:20:07,615 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-12 11:20:07,615 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-12 11:20:16,884 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-12 11:20:16,886 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-12 11:20:16,889 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-12 11:20:16,891 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-12 11:20:16,897 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-12 11:20:27,454 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 [2022-07-12 11:20:27,454 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; [2022-07-12 11:20:27,454 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2022-07-12 11:20:27,454 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2022-07-12 11:20:27,454 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; [2022-07-12 11:20:27,454 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 [2022-07-12 11:20:27,454 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2022-07-12 11:20:27,454 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2022-07-12 11:20:27,455 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-07-12 11:20:27,455 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-07-12 11:20:27,455 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2022-07-12 11:20:27,455 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2022-07-12 11:20:27,455 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2022-07-12 11:20:27,455 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2022-07-12 11:20:27,455 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2022-07-12 11:20:27,455 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2022-07-12 11:20:27,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2022-07-12 11:20:27,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2022-07-12 11:20:27,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2022-07-12 11:20:27,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2022-07-12 11:20:27,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2022-07-12 11:20:27,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2022-07-12 11:20:27,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2022-07-12 11:20:27,456 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2022-07-12 11:20:27,457 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-07-12 11:20:27,457 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-07-12 11:20:27,457 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-07-12 11:20:27,457 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-07-12 11:20:27,457 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2022-07-12 11:20:27,457 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2022-07-12 11:20:27,457 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-12 11:20:27,457 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2022-07-12 11:20:27,457 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-12 11:20:27,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2022-07-12 11:20:27,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2022-07-12 11:20:27,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2022-07-12 11:20:27,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2022-07-12 11:20:27,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2022-07-12 11:20:27,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2022-07-12 11:20:27,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2022-07-12 11:20:27,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2022-07-12 11:20:27,458 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2022-07-12 11:20:27,459 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2022-07-12 11:20:27,459 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2022-07-12 11:20:27,513 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 11:20:27,524 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 11:20:27,525 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-12 11:20:27,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:20:27 BoogieIcfgContainer [2022-07-12 11:20:27,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 11:20:27,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 11:20:27,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 11:20:27,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 11:20:27,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 11:20:01" (1/3) ... [2022-07-12 11:20:27,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15340ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:20:27, skipping insertion in model container [2022-07-12 11:20:27,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 11:20:03" (2/3) ... [2022-07-12 11:20:27,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15340ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 11:20:27, skipping insertion in model container [2022-07-12 11:20:27,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:20:27" (3/3) ... [2022-07-12 11:20:27,533 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-12 11:20:27,543 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 11:20:27,544 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 11:20:27,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 11:20:27,602 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@1e10eecf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5272c2d5 [2022-07-12 11:20:27,602 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 11:20:27,608 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) [2022-07-12 11:20:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-12 11:20:27,613 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:20:27,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 11:20:27,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:20:27,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:20:27,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2022-07-12 11:20:27,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 11:20:27,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162878500] [2022-07-12 11:20:27,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:20:27,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 11:20:27,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 11:20:27,631 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) [2022-07-12 11:20:27,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 11:20:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:20:28,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 11:20:28,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:20:28,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 11:20:28,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 11:20:28,366 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 11:20:28,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1162878500] [2022-07-12 11:20:28,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1162878500] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:20:28,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:20:28,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 11:20:28,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077280819] [2022-07-12 11:20:28,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:20:28,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 11:20:28,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 11:20:28,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 11:20:28,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:20:28,413 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) [2022-07-12 11:20:28,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:20:28,686 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2022-07-12 11:20:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 11:20:28,688 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 [2022-07-12 11:20:28,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:20:28,707 INFO L225 Difference]: With dead ends: 4250 [2022-07-12 11:20:28,707 INFO L226 Difference]: Without dead ends: 2804 [2022-07-12 11:20:28,719 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 [2022-07-12 11:20:28,727 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 [2022-07-12 11:20:28,730 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] [2022-07-12 11:20:28,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2022-07-12 11:20:28,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2022-07-12 11:20:28,895 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) [2022-07-12 11:20:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2022-07-12 11:20:28,909 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2022-07-12 11:20:28,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:20:28,910 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2022-07-12 11:20:28,910 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) [2022-07-12 11:20:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2022-07-12 11:20:28,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-12 11:20:28,918 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:20:28,918 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] [2022-07-12 11:20:28,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 11:20:29,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 11:20:29,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:20:29,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:20:29,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2022-07-12 11:20:29,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 11:20:29,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858742575] [2022-07-12 11:20:29,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:20:29,126 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 11:20:29,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 11:20:29,127 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) [2022-07-12 11:20:29,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 11:20:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:20:29,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 11:20:29,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:20:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-12 11:20:30,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 11:20:30,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 11:20:30,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858742575] [2022-07-12 11:20:30,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858742575] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:20:30,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:20:30,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 11:20:30,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366530030] [2022-07-12 11:20:30,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:20:30,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 11:20:30,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 11:20:30,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 11:20:30,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 11:20:30,035 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) [2022-07-12 11:20:30,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:20:30,263 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2022-07-12 11:20:30,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 11:20:30,263 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 [2022-07-12 11:20:30,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:20:30,275 INFO L225 Difference]: With dead ends: 5578 [2022-07-12 11:20:30,275 INFO L226 Difference]: Without dead ends: 2801 [2022-07-12 11:20:30,283 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 [2022-07-12 11:20:30,284 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 [2022-07-12 11:20:30,284 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] [2022-07-12 11:20:30,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2022-07-12 11:20:30,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2022-07-12 11:20:30,342 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) [2022-07-12 11:20:30,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2022-07-12 11:20:30,356 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2022-07-12 11:20:30,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:20:30,356 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2022-07-12 11:20:30,356 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) [2022-07-12 11:20:30,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2022-07-12 11:20:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-12 11:20:30,360 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:20:30,360 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] [2022-07-12 11:20:30,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 11:20:30,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 11:20:30,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:20:30,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:20:30,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2022-07-12 11:20:30,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 11:20:30,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1428891784] [2022-07-12 11:20:30,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:20:30,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 11:20:30,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 11:20:30,578 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) [2022-07-12 11:20:30,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 11:20:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:20:31,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 11:20:31,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:20:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-12 11:20:31,512 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 11:20:31,512 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 11:20:31,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1428891784] [2022-07-12 11:20:31,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1428891784] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:20:31,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:20:31,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 11:20:31,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773492800] [2022-07-12 11:20:31,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:20:31,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 11:20:31,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 11:20:31,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 11:20:31,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 11:20:31,513 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) [2022-07-12 11:20:31,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:20:31,657 INFO L93 Difference]: Finished difference Result 6586 states and 9372 transitions. [2022-07-12 11:20:31,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 11:20:31,657 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 [2022-07-12 11:20:31,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:20:31,672 INFO L225 Difference]: With dead ends: 6586 [2022-07-12 11:20:31,672 INFO L226 Difference]: Without dead ends: 3812 [2022-07-12 11:20:31,681 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 [2022-07-12 11:20:31,681 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 [2022-07-12 11:20:31,682 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] [2022-07-12 11:20:31,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-07-12 11:20:31,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3796. [2022-07-12 11:20:31,779 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) [2022-07-12 11:20:31,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5465 transitions. [2022-07-12 11:20:31,792 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5465 transitions. Word has length 89 [2022-07-12 11:20:31,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:20:31,792 INFO L495 AbstractCegarLoop]: Abstraction has 3796 states and 5465 transitions. [2022-07-12 11:20:31,793 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) [2022-07-12 11:20:31,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5465 transitions. [2022-07-12 11:20:31,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-12 11:20:31,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:20:31,797 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] [2022-07-12 11:20:31,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 11:20:32,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 11:20:32,011 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:20:32,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:20:32,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1606886577, now seen corresponding path program 1 times [2022-07-12 11:20:32,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 11:20:32,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087383747] [2022-07-12 11:20:32,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:20:32,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 11:20:32,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 11:20:32,014 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) [2022-07-12 11:20:32,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 11:20:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 11:20:32,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 11:20:32,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 11:20:33,021 INFO L356 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-07-12 11:20:33,021 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 [2022-07-12 11:20:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-12 11:20:35,498 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 11:20:35,498 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 11:20:35,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087383747] [2022-07-12 11:20:35,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087383747] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 11:20:35,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 11:20:35,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 11:20:35,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926060378] [2022-07-12 11:20:35,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 11:20:35,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 11:20:35,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 11:20:35,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 11:20:35,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2022-07-12 11:20:35,499 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) [2022-07-12 11:20:39,142 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 [] [2022-07-12 11:20:41,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:20:43,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:20:45,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:20:47,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:20:49,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:20:52,726 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:20:54,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:20:56,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:20:58,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:21:03,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:21:07,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:21:10,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 11:21:12,356 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 [] [2022-07-12 11:21:12,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 11:21:12,905 INFO L93 Difference]: Finished difference Result 7578 states and 10952 transitions. [2022-07-12 11:21:12,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 11:21:12,912 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 [2022-07-12 11:21:12,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 11:21:12,926 INFO L225 Difference]: With dead ends: 7578 [2022-07-12 11:21:12,931 INFO L226 Difference]: Without dead ends: 3810 [2022-07-12 11:21:12,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=11, Invalid=18, Unknown=1, NotChecked=0, Total=30 [2022-07-12 11:21:12,943 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 4 mSDsluCounter, 5507 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 0 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7489 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2022-07-12 11:21:12,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7489 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 429 Invalid, 11 Unknown, 10 Unchecked, 35.5s Time] [2022-07-12 11:21:12,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2022-07-12 11:21:13,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3804. [2022-07-12 11:21:13,027 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) [2022-07-12 11:21:13,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5477 transitions. [2022-07-12 11:21:13,040 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5477 transitions. Word has length 106 [2022-07-12 11:21:13,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 11:21:13,040 INFO L495 AbstractCegarLoop]: Abstraction has 3804 states and 5477 transitions. [2022-07-12 11:21:13,040 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) [2022-07-12 11:21:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5477 transitions. [2022-07-12 11:21:13,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-12 11:21:13,045 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 11:21:13,045 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] [2022-07-12 11:21:13,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 11:21:13,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 11:21:13,272 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 11:21:13,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 11:21:13,273 INFO L85 PathProgramCache]: Analyzing trace with hash -329013054, now seen corresponding path program 1 times [2022-07-12 11:21:13,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 11:21:13,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936311100] [2022-07-12 11:21:13,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 11:21:13,274 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 11:21:13,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 11:21:13,276 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) [2022-07-12 11:21:13,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 11:21:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 11:21:34,418 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 11:21:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 11:21:48,654 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-12 11:21:48,654 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 11:21:48,655 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 11:21:48,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 11:21:48,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 11:21:48,870 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-12 11:21:48,872 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 11:21:48,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 11:21:48 BoogieIcfgContainer [2022-07-12 11:21:48,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 11:21:48,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 11:21:48,970 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 11:21:48,970 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 11:21:48,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 11:20:27" (3/4) ... [2022-07-12 11:21:48,972 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 11:21:48,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 11:21:48,973 INFO L158 Benchmark]: Toolchain (without parser) took 107661.12ms. Allocated memory was 60.8MB in the beginning and 402.7MB in the end (delta: 341.8MB). Free memory was 29.1MB in the beginning and 108.3MB in the end (delta: -79.2MB). Peak memory consumption was 262.5MB. Max. memory is 16.1GB. [2022-07-12 11:21:48,973 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 60.8MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 11:21:48,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2241.23ms. Allocated memory was 60.8MB in the beginning and 226.5MB in the end (delta: 165.7MB). Free memory was 29.0MB in the beginning and 112.5MB in the end (delta: -83.6MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2022-07-12 11:21:48,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 220.32ms. Allocated memory is still 226.5MB. Free memory was 112.5MB in the beginning and 152.5MB in the end (delta: -40.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-07-12 11:21:48,973 INFO L158 Benchmark]: Boogie Preprocessor took 167.24ms. Allocated memory is still 226.5MB. Free memory was 152.5MB in the beginning and 126.3MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-07-12 11:21:48,974 INFO L158 Benchmark]: RCFGBuilder took 23582.72ms. Allocated memory was 226.5MB in the beginning and 402.7MB in the end (delta: 176.2MB). Free memory was 125.3MB in the beginning and 205.7MB in the end (delta: -80.4MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. [2022-07-12 11:21:48,974 INFO L158 Benchmark]: TraceAbstraction took 81440.59ms. Allocated memory is still 402.7MB. Free memory was 205.7MB in the beginning and 109.4MB in the end (delta: 96.3MB). Peak memory consumption was 96.3MB. Max. memory is 16.1GB. [2022-07-12 11:21:48,974 INFO L158 Benchmark]: Witness Printer took 2.67ms. Allocated memory is still 402.7MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 11:21:48,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 60.8MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2241.23ms. Allocated memory was 60.8MB in the beginning and 226.5MB in the end (delta: 165.7MB). Free memory was 29.0MB in the beginning and 112.5MB in the end (delta: -83.6MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 220.32ms. Allocated memory is still 226.5MB. Free memory was 112.5MB in the beginning and 152.5MB in the end (delta: -40.0MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 167.24ms. Allocated memory is still 226.5MB. Free memory was 152.5MB in the beginning and 126.3MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 23582.72ms. Allocated memory was 226.5MB in the beginning and 402.7MB in the end (delta: 176.2MB). Free memory was 125.3MB in the beginning and 205.7MB in the end (delta: -80.4MB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. * TraceAbstraction took 81440.59ms. Allocated memory is still 402.7MB. Free memory was 205.7MB in the beginning and 109.4MB in the end (delta: 96.3MB). Peak memory consumption was 96.3MB. Max. memory is 16.1GB. * Witness Printer took 2.67ms. Allocated memory is still 402.7MB. Free memory is still 108.3MB. 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: 81.3s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 38.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 mSolverCounterUnknown, 2641 SdHoareTripleChecker+Valid, 35.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2487 mSDsluCounter, 24037 SdHoareTripleChecker+Invalid, 34.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 10 IncrementalHoareTripleChecker+Unchecked, 15391 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 471 IncrementalHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 8646 mSDtfsCounter, 471 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 268 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4s 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, 22.5s SatisfiabilityAnalysisTime, 3.1s 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 [2022-07-12 11:21:49,027 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