/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 08:33:47,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 08:33:47,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 08:33:47,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 08:33:47,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 08:33:47,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 08:33:47,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 08:33:47,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 08:33:47,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 08:33:47,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 08:33:47,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 08:33:47,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 08:33:47,491 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 08:33:47,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 08:33:47,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 08:33:47,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 08:33:47,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 08:33:47,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 08:33:47,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 08:33:47,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 08:33:47,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 08:33:47,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 08:33:47,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 08:33:47,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 08:33:47,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 08:33:47,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 08:33:47,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 08:33:47,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 08:33:47,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 08:33:47,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 08:33:47,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 08:33:47,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 08:33:47,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 08:33:47,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 08:33:47,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 08:33:47,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 08:33:47,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 08:33:47,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 08:33:47,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 08:33:47,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 08:33:47,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 08:33:47,533 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-15 08:33:47,565 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 08:33:47,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 08:33:47,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 08:33:47,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 08:33:47,567 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 08:33:47,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 08:33:47,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 08:33:47,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 08:33:47,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 08:33:47,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 08:33:47,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 08:33:47,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 08:33:47,570 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 08:33:47,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 08:33:47,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 08:33:47,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 08:33:47,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 08:33:47,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 08:33:47,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:33:47,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 08:33:47,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 08:33:47,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 08:33:47,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 08:33:47,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 08:33:47,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 08:33:47,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 08:33:47,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 08:33:47,572 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 08:33:47,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 08:33:47,863 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 08:33:47,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 08:33:47,867 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 08:33:47,868 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 08:33:47,868 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2020-10-15 08:33:47,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7c3988e2/d66785831ad24875b1d6ccdb5204726c/FLAGd1cb7a5a8 [2020-10-15 08:33:48,789 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 08:33:48,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2020-10-15 08:33:48,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7c3988e2/d66785831ad24875b1d6ccdb5204726c/FLAGd1cb7a5a8 [2020-10-15 08:33:49,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7c3988e2/d66785831ad24875b1d6ccdb5204726c [2020-10-15 08:33:49,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 08:33:49,295 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 08:33:49,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 08:33:49,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 08:33:49,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 08:33:49,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:33:49" (1/1) ... [2020-10-15 08:33:49,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@647d02e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:49, skipping insertion in model container [2020-10-15 08:33:49,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:33:49" (1/1) ... [2020-10-15 08:33:49,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 08:33:49,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 08:33:52,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:33:52,283 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 08:33:52,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:33:53,463 INFO L208 MainTranslator]: Completed translation [2020-10-15 08:33:53,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:53 WrapperNode [2020-10-15 08:33:53,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 08:33:53,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 08:33:53,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 08:33:53,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 08:33:53,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:53" (1/1) ... [2020-10-15 08:33:53,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:53" (1/1) ... [2020-10-15 08:33:53,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:53" (1/1) ... [2020-10-15 08:33:53,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:53" (1/1) ... [2020-10-15 08:33:53,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:53" (1/1) ... [2020-10-15 08:33:53,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:53" (1/1) ... [2020-10-15 08:33:53,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:53" (1/1) ... [2020-10-15 08:33:53,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 08:33:53,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 08:33:53,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 08:33:53,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 08:33:53,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:33:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 08:33:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 08:33:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-15 08:33:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-15 08:33:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-15 08:33:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-15 08:33:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-15 08:33:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-15 08:33:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2020-10-15 08:33:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2020-10-15 08:33:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 08:33:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2020-10-15 08:33:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2020-10-15 08:33:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-15 08:33:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-15 08:33:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-15 08:33:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-15 08:33:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-15 08:33:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2020-10-15 08:33:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-15 08:33:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-15 08:33:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-15 08:33:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2020-10-15 08:33:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-15 08:33:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-15 08:33:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-15 08:33:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-15 08:33:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-15 08:33:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-15 08:33:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-15 08:33:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2020-10-15 08:33:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2020-10-15 08:33:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-15 08:33:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2020-10-15 08:33:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2020-10-15 08:33:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 08:33:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-15 08:33:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-15 08:33:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-15 08:33:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-15 08:33:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2020-10-15 08:33:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2020-10-15 08:33:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2020-10-15 08:33:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2020-10-15 08:33:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2020-10-15 08:33:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2020-10-15 08:33:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2020-10-15 08:33:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 08:33:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2020-10-15 08:33:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 08:33:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 08:33:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-15 08:33:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-15 08:33:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-15 08:33:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-15 08:33:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-15 08:33:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2020-10-15 08:33:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_last [2020-10-15 08:33:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_next [2020-10-15 08:33:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-15 08:33:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unclone [2020-10-15 08:33:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2020-10-15 08:33:53,993 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2020-10-15 08:33:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2020-10-15 08:33:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-15 08:33:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-15 08:33:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2020-10-15 08:33:53,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2020-10-15 08:33:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2020-10-15 08:33:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-15 08:33:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2020-10-15 08:33:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_pull [2020-10-15 08:33:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2020-10-15 08:33:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-15 08:33:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-15 08:33:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-15 08:33:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-15 08:33:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-10-15 08:33:53,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2020-10-15 08:33:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 08:33:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 08:33:53,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 08:33:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 08:33:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 08:33:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 08:33:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 08:33:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 08:33:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 08:33:53,999 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2020-10-15 08:33:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2020-10-15 08:33:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2020-10-15 08:33:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure release_net [2020-10-15 08:33:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-15 08:33:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2020-10-15 08:33:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-15 08:33:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-15 08:33:54,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-15 08:33:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-15 08:33:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-15 08:33:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2020-10-15 08:33:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2020-10-15 08:33:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2020-10-15 08:33:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2020-10-15 08:33:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2020-10-15 08:33:54,001 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2020-10-15 08:33:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ethertype_to_npindex [2020-10-15 08:33:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2020-10-15 08:33:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2020-10-15 08:33:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_read [2020-10-15 08:33:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2020-10-15 08:33:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2020-10-15 08:33:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2020-10-15 08:33:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2020-10-15 08:33:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unattached_ioctl [2020-10-15 08:33:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2020-10-15 08:33:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2020-10-15 08:33:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init [2020-10-15 08:33:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_start_xmit [2020-10-15 08:33:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2020-10-15 08:33:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2020-10-15 08:33:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2020-10-15 08:33:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2020-10-15 08:33:54,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2020-10-15 08:33:54,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_compress_skb [2020-10-15 08:33:54,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2020-10-15 08:33:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2020-10-15 08:33:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2020-10-15 08:33:54,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2020-10-15 08:33:54,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2020-10-15 08:33:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2020-10-15 08:33:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2020-10-15 08:33:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_frame [2020-10-15 08:33:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2020-10-15 08:33:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2020-10-15 08:33:54,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_decompress_frame [2020-10-15 08:33:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_mp_frame [2020-10-15 08:33:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_insert [2020-10-15 08:33:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_reconstruct [2020-10-15 08:33:54,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2020-10-15 08:33:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2020-10-15 08:33:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2020-10-15 08:33:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2020-10-15 08:33:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_name [2020-10-15 08:33:54,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2020-10-15 08:33:54,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2020-10-15 08:33:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_set_compress [2020-10-15 08:33:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2020-10-15 08:33:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2020-10-15 08:33:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2020-10-15 08:33:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_compressor [2020-10-15 08:33:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_compressor [2020-10-15 08:33:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2020-10-15 08:33:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats [2020-10-15 08:33:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_create_interface [2020-10-15 08:33:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2020-10-15 08:33:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2020-10-15 08:33:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2020-10-15 08:33:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2020-10-15 08:33:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_channel [2020-10-15 08:33:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_connect_channel [2020-10-15 08:33:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2020-10-15 08:33:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2020-10-15 08:33:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cleanup [2020-10-15 08:33:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_set [2020-10-15 08:33:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_get [2020-10-15 08:33:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2020-10-15 08:33:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2020-10-15 08:33:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pernet_operations_2 [2020-10-15 08:33:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2020-10-15 08:33:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2020-10-15 08:33:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 08:33:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-15 08:33:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-15 08:33:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-15 08:33:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-15 08:33:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-15 08:33:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-15 08:33:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-15 08:33:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2020-10-15 08:33:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2020-10-15 08:33:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2020-10-15 08:33:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_16 [2020-10-15 08:33:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2020-10-15 08:33:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_18 [2020-10-15 08:33:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_19 [2020-10-15 08:33:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_20 [2020-10-15 08:33:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_21 [2020-10-15 08:33:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_23 [2020-10-15 08:33:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_24 [2020-10-15 08:33:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_25 [2020-10-15 08:33:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_26 [2020-10-15 08:33:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_27 [2020-10-15 08:33:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_29 [2020-10-15 08:33:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_30 [2020-10-15 08:33:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_31 [2020-10-15 08:33:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_32 [2020-10-15 08:33:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_33 [2020-10-15 08:33:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_34 [2020-10-15 08:33:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_36 [2020-10-15 08:33:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2020-10-15 08:33:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2020-10-15 08:33:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_39 [2020-10-15 08:33:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_40 [2020-10-15 08:33:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_41 [2020-10-15 08:33:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_43 [2020-10-15 08:33:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_44 [2020-10-15 08:33:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_45 [2020-10-15 08:33:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_46 [2020-10-15 08:33:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_47 [2020-10-15 08:33:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_48 [2020-10-15 08:33:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_49 [2020-10-15 08:33:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_50 [2020-10-15 08:33:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_51 [2020-10-15 08:33:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_53 [2020-10-15 08:33:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_54 [2020-10-15 08:33:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_55 [2020-10-15 08:33:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_56 [2020-10-15 08:33:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_57 [2020-10-15 08:33:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_58 [2020-10-15 08:33:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_59 [2020-10-15 08:33:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_60 [2020-10-15 08:33:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_61 [2020-10-15 08:33:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_62 [2020-10-15 08:33:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_63 [2020-10-15 08:33:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_64 [2020-10-15 08:33:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_65 [2020-10-15 08:33:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-15 08:33:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-15 08:33:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-15 08:33:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-15 08:33:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-15 08:33:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 08:33:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-15 08:33:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-15 08:33:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-15 08:33:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-15 08:33:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 08:33:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-15 08:33:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-15 08:33:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-15 08:33:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-15 08:33:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-15 08:33:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 08:33:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2020-10-15 08:33:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2020-10-15 08:33:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2020-10-15 08:33:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2020-10-15 08:33:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-15 08:33:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-15 08:33:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-15 08:33:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-15 08:33:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-15 08:33:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-15 08:33:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2020-10-15 08:33:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 08:33:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2020-10-15 08:33:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-10-15 08:33:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __rwlock_init [2020-10-15 08:33:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2020-10-15 08:33:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-15 08:33:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-15 08:33:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-15 08:33:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2020-10-15 08:33:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2020-10-15 08:33:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-15 08:33:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2020-10-15 08:33:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-15 08:33:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2020-10-15 08:33:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2020-10-15 08:33:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2020-10-15 08:33:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2020-10-15 08:33:54,039 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-15 08:33:54,039 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-15 08:33:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2020-10-15 08:33:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-15 08:33:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2020-10-15 08:33:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2020-10-15 08:33:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2020-10-15 08:33:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2020-10-15 08:33:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-15 08:33:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2020-10-15 08:33:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2020-10-15 08:33:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2020-10-15 08:33:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2020-10-15 08:33:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2020-10-15 08:33:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_open_1 [2020-10-15 08:33:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_stop_1 [2020-10-15 08:33:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2020-10-15 08:33:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-15 08:33:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2020-10-15 08:33:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-10-15 08:33:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2020-10-15 08:33:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2020-10-15 08:33:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2020-10-15 08:33:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-15 08:33:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-15 08:33:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-15 08:33:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 08:33:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2020-10-15 08:33:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-15 08:33:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2020-10-15 08:33:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2020-10-15 08:33:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 08:33:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-15 08:33:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2020-10-15 08:33:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2020-10-15 08:33:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-15 08:33:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pernet_device [2020-10-15 08:33:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2020-10-15 08:33:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-15 08:33:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_chk_filter [2020-10-15 08:33:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_create [2020-10-15 08:33:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_destroy [2020-10-15 08:33:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2020-10-15 08:33:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iovec [2020-10-15 08:33:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-15 08:33:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull_rcsum [2020-10-15 08:33:54,045 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-15 08:33:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-15 08:33:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2020-10-15 08:33:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2020-10-15 08:33:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-15 08:33:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-15 08:33:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2020-10-15 08:33:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2020-10-15 08:33:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2020-10-15 08:33:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2020-10-15 08:33:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_toss [2020-10-15 08:33:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2020-10-15 08:33:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-15 08:33:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-15 08:33:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2020-10-15 08:33:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2020-10-15 08:33:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2020-10-15 08:33:54,047 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-15 08:33:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2020-10-15 08:33:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 08:33:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 08:33:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 08:33:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 08:33:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 08:33:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 08:33:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-15 08:33:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-15 08:33:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-15 08:33:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-15 08:33:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-15 08:33:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 08:33:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2020-10-15 08:33:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 08:33:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-15 08:33:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-15 08:33:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-15 08:33:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 08:33:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-15 08:33:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-15 08:33:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 08:33:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-15 08:33:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-15 08:33:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 08:33:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-15 08:33:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-15 08:33:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-15 08:33:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2020-10-15 08:33:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-15 08:33:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-15 08:33:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-15 08:33:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-15 08:33:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2020-10-15 08:33:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 08:33:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-15 08:33:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-15 08:33:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-15 08:33:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-15 08:33:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-15 08:33:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-15 08:33:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 08:33:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-15 08:33:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-15 08:33:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-15 08:33:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2020-10-15 08:33:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2020-10-15 08:33:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-15 08:33:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2020-10-15 08:33:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2020-10-15 08:33:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2020-10-15 08:33:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2020-10-15 08:33:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-10-15 08:33:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2020-10-15 08:33:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 08:33:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2020-10-15 08:33:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-15 08:33:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2020-10-15 08:33:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-15 08:33:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2020-10-15 08:33:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2020-10-15 08:33:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2020-10-15 08:33:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2020-10-15 08:33:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2020-10-15 08:33:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 08:33:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-15 08:33:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-15 08:33:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-15 08:33:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-15 08:33:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2020-10-15 08:33:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2020-10-15 08:33:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2020-10-15 08:33:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2020-10-15 08:33:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2020-10-15 08:33:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2020-10-15 08:33:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-15 08:33:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2020-10-15 08:33:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2020-10-15 08:33:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-15 08:33:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-15 08:33:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-15 08:33:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 08:33:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2020-10-15 08:33:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2020-10-15 08:33:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2020-10-15 08:33:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2020-10-15 08:33:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2020-10-15 08:33:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2020-10-15 08:33:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-15 08:33:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2020-10-15 08:33:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2020-10-15 08:33:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 08:33:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2020-10-15 08:33:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2020-10-15 08:33:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 08:33:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 08:33:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 08:33:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2020-10-15 08:33:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2020-10-15 08:33:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2020-10-15 08:33:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2020-10-15 08:33:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2020-10-15 08:33:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2020-10-15 08:33:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 08:33:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 08:33:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 08:33:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-15 08:33:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-15 08:33:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2020-10-15 08:33:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2020-10-15 08:33:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-15 08:33:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-15 08:33:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2020-10-15 08:33:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2020-10-15 08:33:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2020-10-15 08:33:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2020-10-15 08:33:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-15 08:33:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-15 08:33:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-15 08:33:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-15 08:33:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-15 08:33:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-15 08:33:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-15 08:33:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-15 08:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2020-10-15 08:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2020-10-15 08:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2020-10-15 08:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_20 [2020-10-15 08:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_25 [2020-10-15 08:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_27 [2020-10-15 08:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_31 [2020-10-15 08:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_32 [2020-10-15 08:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_33 [2020-10-15 08:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_34 [2020-10-15 08:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2020-10-15 08:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2020-10-15 08:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_39 [2020-10-15 08:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_40 [2020-10-15 08:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_43 [2020-10-15 08:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_46 [2020-10-15 08:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_48 [2020-10-15 08:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_49 [2020-10-15 08:33:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_51 [2020-10-15 08:33:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_53 [2020-10-15 08:33:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_55 [2020-10-15 08:33:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_56 [2020-10-15 08:33:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_57 [2020-10-15 08:33:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_58 [2020-10-15 08:33:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_59 [2020-10-15 08:33:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_60 [2020-10-15 08:33:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_64 [2020-10-15 08:33:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-15 08:33:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_23 [2020-10-15 08:33:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_24 [2020-10-15 08:33:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_26 [2020-10-15 08:33:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_29 [2020-10-15 08:33:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_30 [2020-10-15 08:33:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_45 [2020-10-15 08:33:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_54 [2020-10-15 08:33:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_16 [2020-10-15 08:33:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-15 08:33:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-15 08:33:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2020-10-15 08:33:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_last [2020-10-15 08:33:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_next [2020-10-15 08:33:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-15 08:33:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unclone [2020-10-15 08:33:54,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2020-10-15 08:33:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2020-10-15 08:33:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2020-10-15 08:33:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-15 08:33:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-15 08:33:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 08:33:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2020-10-15 08:33:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2020-10-15 08:33:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2020-10-15 08:33:54,069 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-15 08:33:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2020-10-15 08:33:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2020-10-15 08:33:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_21 [2020-10-15 08:33:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_36 [2020-10-15 08:33:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_41 [2020-10-15 08:33:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_47 [2020-10-15 08:33:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-15 08:33:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2020-10-15 08:33:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-15 08:33:54,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-15 08:33:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-15 08:33:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_pull [2020-10-15 08:33:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2020-10-15 08:33:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2020-10-15 08:33:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-15 08:33:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-15 08:33:54,071 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-15 08:33:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-15 08:33:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-15 08:33:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2020-10-15 08:33:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_44 [2020-10-15 08:33:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-10-15 08:33:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2020-10-15 08:33:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull_rcsum [2020-10-15 08:33:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2020-10-15 08:33:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2020-10-15 08:33:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-15 08:33:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-15 08:33:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-15 08:33:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 08:33:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 08:33:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 08:33:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-15 08:33:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2020-10-15 08:33:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-15 08:33:54,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 08:33:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 08:33:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 08:33:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 08:33:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 08:33:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 08:33:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 08:33:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 08:33:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 08:33:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 08:33:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pernet_operations_2 [2020-10-15 08:33:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2020-10-15 08:33:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2020-10-15 08:33:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-10-15 08:33:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-15 08:33:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-15 08:33:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2020-10-15 08:33:54,078 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2020-10-15 08:33:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2020-10-15 08:33:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_18 [2020-10-15 08:33:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2020-10-15 08:33:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_19 [2020-10-15 08:33:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2020-10-15 08:33:54,079 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2020-10-15 08:33:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure release_net [2020-10-15 08:33:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_device [2020-10-15 08:33:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2020-10-15 08:33:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-15 08:33:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2020-10-15 08:33:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-15 08:33:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-15 08:33:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_62 [2020-10-15 08:33:54,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_65 [2020-10-15 08:33:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-15 08:33:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-15 08:33:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-15 08:33:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-15 08:33:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-15 08:33:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_50 [2020-10-15 08:33:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-15 08:33:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-15 08:33:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_61 [2020-10-15 08:33:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-15 08:33:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_63 [2020-10-15 08:33:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2020-10-15 08:33:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-15 08:33:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2020-10-15 08:33:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-15 08:33:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_create [2020-10-15 08:33:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_destroy [2020-10-15 08:33:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure sk_chk_filter [2020-10-15 08:33:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2020-10-15 08:33:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2020-10-15 08:33:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2020-10-15 08:33:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2020-10-15 08:33:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2020-10-15 08:33:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2020-10-15 08:33:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2020-10-15 08:33:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2020-10-15 08:33:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_name [2020-10-15 08:33:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_compressor [2020-10-15 08:33:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_compressor [2020-10-15 08:33:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2020-10-15 08:33:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2020-10-15 08:33:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2020-10-15 08:33:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2020-10-15 08:33:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2020-10-15 08:33:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2020-10-15 08:33:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2020-10-15 08:33:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_toss [2020-10-15 08:33:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2020-10-15 08:33:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unattached_ioctl [2020-10-15 08:33:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2020-10-15 08:33:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2020-10-15 08:33:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2020-10-15 08:33:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2020-10-15 08:33:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_frame [2020-10-15 08:33:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2020-10-15 08:33:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2020-10-15 08:33:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_decompress_frame [2020-10-15 08:33:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_mp_frame [2020-10-15 08:33:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_insert [2020-10-15 08:33:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_reconstruct [2020-10-15 08:33:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2020-10-15 08:33:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_set_compress [2020-10-15 08:33:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2020-10-15 08:33:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2020-10-15 08:33:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2020-10-15 08:33:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats [2020-10-15 08:33:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_create_interface [2020-10-15 08:33:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2020-10-15 08:33:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2020-10-15 08:33:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2020-10-15 08:33:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2020-10-15 08:33:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_channel [2020-10-15 08:33:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_connect_channel [2020-10-15 08:33:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2020-10-15 08:33:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2020-10-15 08:33:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure unit_get [2020-10-15 08:33:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure unit_set [2020-10-15 08:33:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2020-10-15 08:33:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2020-10-15 08:33:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2020-10-15 08:33:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2020-10-15 08:33:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ethertype_to_npindex [2020-10-15 08:33:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2020-10-15 08:33:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2020-10-15 08:33:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_read [2020-10-15 08:33:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2020-10-15 08:33:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2020-10-15 08:33:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2020-10-15 08:33:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2020-10-15 08:33:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-15 08:33:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2020-10-15 08:33:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2020-10-15 08:33:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init [2020-10-15 08:33:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_start_xmit [2020-10-15 08:33:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2020-10-15 08:33:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-15 08:33:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 08:33:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2020-10-15 08:33:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2020-10-15 08:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2020-10-15 08:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure pad_compress_skb [2020-10-15 08:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-15 08:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-15 08:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 08:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 08:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2020-10-15 08:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-15 08:33:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2020-10-15 08:33:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2020-10-15 08:33:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 08:33:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2020-10-15 08:33:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2020-10-15 08:33:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2020-10-15 08:33:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cleanup [2020-10-15 08:33:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_open_1 [2020-10-15 08:33:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 08:33:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 08:33:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2020-10-15 08:33:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_stop_1 [2020-10-15 08:33:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 08:33:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-15 08:33:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-15 08:33:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-15 08:33:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-15 08:33:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-15 08:33:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-15 08:33:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-15 08:33:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-15 08:33:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-15 08:33:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-15 08:33:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 08:33:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 08:33:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 08:33:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 08:33:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 08:33:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 08:33:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 08:33:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 08:33:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 08:33:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 08:33:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 08:33:55,284 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 08:34:10,835 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 08:34:10,835 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 08:34:10,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:34:10 BoogieIcfgContainer [2020-10-15 08:34:10,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 08:34:10,851 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 08:34:10,851 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 08:34:10,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 08:34:10,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:33:49" (1/3) ... [2020-10-15 08:34:10,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a8222d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:34:10, skipping insertion in model container [2020-10-15 08:34:10,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:33:53" (2/3) ... [2020-10-15 08:34:10,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a8222d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:34:10, skipping insertion in model container [2020-10-15 08:34:10,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:34:10" (3/3) ... [2020-10-15 08:34:10,860 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2020-10-15 08:34:10,872 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 08:34:10,883 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 08:34:10,899 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 08:34:10,931 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 08:34:10,931 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 08:34:10,931 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 08:34:10,931 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 08:34:10,931 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 08:34:10,932 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 08:34:10,932 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 08:34:10,932 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 08:34:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states. [2020-10-15 08:34:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-15 08:34:11,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:34:11,010 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:34:11,011 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:34:11,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:34:11,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1510479733, now seen corresponding path program 1 times [2020-10-15 08:34:11,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:34:11,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628496323] [2020-10-15 08:34:11,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:34:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:17,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:17,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-15 08:34:17,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:17,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5292 [2020-10-15 08:34:17,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:17,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:17,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 08:34:17,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-15 08:34:17,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-15 08:34:17,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 08:34:19,457 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-15 08:34:19,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:34:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:19,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:19,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:19,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:34:19,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:19,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-10-15 08:34:19,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:19,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:34:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:34:19,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:19,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:34:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:19,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:19,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:19,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:34:19,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:19,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 08:34:19,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:19,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:19,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:34:19,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:19,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:34:19,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:19,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:34:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:34:20,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:34:20,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:34:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:34:20,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:20,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:34:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:34:20,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:34:20,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:34:20,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:34:20,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:34:20,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 08:34:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:34:20,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:34:20,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:34:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:34:20,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:20,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 08:34:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:34:20,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 08:34:20,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:34:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:34:20,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:20,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 08:34:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:34:20,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:34:20,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:34:20,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:34:20,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:20,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 08:34:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:34:20,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:34:20,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:34:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:34:20,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:20,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 08:34:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:34:20,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 08:34:20,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:34:20,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:34:20,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:20,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 08:34:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:34:20,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 08:34:20,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:34:20,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:34:20,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:20,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:34:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:34:20,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 08:34:20,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:34:20,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 08:34:20,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:20,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-15 08:34:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 08:34:20,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 08:34:20,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:34:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 08:34:20,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:20,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:34:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:34:20,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:34:20,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:34:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:34:20,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:20,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-15 08:34:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:34:20,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:34:20,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:34:20,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:34:20,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:34:20,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 08:34:20,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:34:20,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:34:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 08:34:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:34:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:34:20,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:34:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-15 08:34:20,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628496323] [2020-10-15 08:34:20,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:34:20,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 08:34:20,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936790746] [2020-10-15 08:34:20,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 08:34:20,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:34:20,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 08:34:20,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-15 08:34:20,680 INFO L87 Difference]: Start difference. First operand 2881 states. Second operand 10 states. [2020-10-15 08:34:23,155 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-15 08:34:28,552 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 735 [2020-10-15 08:34:30,930 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 732 [2020-10-15 08:34:48,522 WARN L193 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 740 DAG size of output: 738 [2020-10-15 08:34:51,236 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 738 [2020-10-15 08:34:53,644 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 738 [2020-10-15 08:35:08,722 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 740 [2020-10-15 08:37:44,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:37:44,002 INFO L93 Difference]: Finished difference Result 10238 states and 15207 transitions. [2020-10-15 08:37:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 08:37:44,004 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2020-10-15 08:37:44,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:37:44,097 INFO L225 Difference]: With dead ends: 10238 [2020-10-15 08:37:44,097 INFO L226 Difference]: Without dead ends: 7356 [2020-10-15 08:37:44,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2020-10-15 08:37:44,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7356 states. [2020-10-15 08:37:45,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7356 to 6220. [2020-10-15 08:37:46,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6220 states. [2020-10-15 08:37:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6220 states to 6220 states and 8671 transitions. [2020-10-15 08:37:46,050 INFO L78 Accepts]: Start accepts. Automaton has 6220 states and 8671 transitions. Word has length 92 [2020-10-15 08:37:46,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:37:46,051 INFO L479 AbstractCegarLoop]: Abstraction has 6220 states and 8671 transitions. [2020-10-15 08:37:46,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 08:37:46,052 INFO L276 IsEmpty]: Start isEmpty. Operand 6220 states and 8671 transitions. [2020-10-15 08:37:46,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-15 08:37:46,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:37:46,067 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:37:46,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 08:37:46,068 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:37:46,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:37:46,069 INFO L82 PathProgramCache]: Analyzing trace with hash -403857228, now seen corresponding path program 1 times [2020-10-15 08:37:46,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:37:46,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077839469] [2020-10-15 08:37:46,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:37:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:46,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:46,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:46,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:47,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking...