/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=NARROWEST --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 [2020-10-13 19:31:30,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 19:31:30,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 19:31:30,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 19:31:30,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 19:31:30,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 19:31:30,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 19:31:30,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 19:31:30,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 19:31:30,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 19:31:30,547 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 19:31:30,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 19:31:30,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 19:31:30,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 19:31:30,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 19:31:30,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 19:31:30,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 19:31:30,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 19:31:30,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 19:31:30,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 19:31:30,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 19:31:30,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 19:31:30,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 19:31:30,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 19:31:30,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 19:31:30,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 19:31:30,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 19:31:30,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 19:31:30,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 19:31:30,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 19:31:30,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 19:31:30,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 19:31:30,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 19:31:30,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 19:31:30,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 19:31:30,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 19:31:30,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 19:31:30,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 19:31:30,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 19:31:30,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 19:31:30,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 19:31:30,605 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 [2020-10-13 19:31:30,641 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 19:31:30,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 19:31:30,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 19:31:30,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 19:31:30,644 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 19:31:30,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 19:31:30,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 19:31:30,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 19:31:30,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 19:31:30,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 19:31:30,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 19:31:30,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 19:31:30,646 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 19:31:30,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 19:31:30,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 19:31:30,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 19:31:30,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 19:31:30,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 19:31:30,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 19:31:30,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 19:31:30,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 19:31:30,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 19:31:30,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 19:31:30,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 19:31:30,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 19:31:30,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 19:31:30,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 19:31:30,650 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 19:31:30,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 19:31:30,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 19:31:30,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 19:31:30,982 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 19:31:30,982 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 19:31:30,983 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2020-10-13 19:31:31,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee3f79cac/cf6260a3340441d98d7113bab08035eb/FLAG6f1ceccd4 [2020-10-13 19:31:31,931 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 19:31:31,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2020-10-13 19:31:31,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee3f79cac/cf6260a3340441d98d7113bab08035eb/FLAG6f1ceccd4 [2020-10-13 19:31:32,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee3f79cac/cf6260a3340441d98d7113bab08035eb [2020-10-13 19:31:32,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 19:31:32,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 19:31:32,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 19:31:32,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 19:31:32,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 19:31:32,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:31:32" (1/1) ... [2020-10-13 19:31:32,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e27c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:32, skipping insertion in model container [2020-10-13 19:31:32,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:31:32" (1/1) ... [2020-10-13 19:31:32,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 19:31:32,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 19:31:35,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:31:35,654 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 19:31:36,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 19:31:36,922 INFO L208 MainTranslator]: Completed translation [2020-10-13 19:31:36,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:36 WrapperNode [2020-10-13 19:31:36,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 19:31:36,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 19:31:36,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 19:31:36,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 19:31:36,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:36" (1/1) ... [2020-10-13 19:31:36,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:36" (1/1) ... [2020-10-13 19:31:37,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:36" (1/1) ... [2020-10-13 19:31:37,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:36" (1/1) ... [2020-10-13 19:31:37,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:36" (1/1) ... [2020-10-13 19:31:37,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:36" (1/1) ... [2020-10-13 19:31:37,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:36" (1/1) ... [2020-10-13 19:31:37,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 19:31:37,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 19:31:37,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 19:31:37,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 19:31:37,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:36" (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 [2020-10-13 19:31:37,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 19:31:37,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 19:31:37,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 19:31:37,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-13 19:31:37,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 19:31:37,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-13 19:31:37,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 19:31:37,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-13 19:31:37,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2020-10-13 19:31:37,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2020-10-13 19:31:37,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 19:31:37,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2020-10-13 19:31:37,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2020-10-13 19:31:37,556 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-13 19:31:37,556 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-13 19:31:37,557 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-13 19:31:37,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-13 19:31:37,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2020-10-13 19:31:37,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __be16_to_cpup [2020-10-13 19:31:37,559 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 19:31:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-13 19:31:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-13 19:31:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2020-10-13 19:31:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-13 19:31:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-13 19:31:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-13 19:31:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-13 19:31:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-13 19:31:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-13 19:31:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-13 19:31:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2020-10-13 19:31:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2020-10-13 19:31:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-13 19:31:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2020-10-13 19:31:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2020-10-13 19:31:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 19:31:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-13 19:31:37,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-13 19:31:37,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-13 19:31:37,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-13 19:31:37,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2020-10-13 19:31:37,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2020-10-13 19:31:37,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2020-10-13 19:31:37,565 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2020-10-13 19:31:37,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2020-10-13 19:31:37,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2020-10-13 19:31:37,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2020-10-13 19:31:37,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 19:31:37,567 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2020-10-13 19:31:37,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 19:31:37,567 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 19:31:37,567 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-13 19:31:37,568 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-13 19:31:37,568 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-13 19:31:37,568 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-13 19:31:37,568 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-13 19:31:37,568 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2020-10-13 19:31:37,568 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_last [2020-10-13 19:31:37,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_next [2020-10-13 19:31:37,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-13 19:31:37,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unclone [2020-10-13 19:31:37,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_cloned [2020-10-13 19:31:37,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2020-10-13 19:31:37,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2020-10-13 19:31:37,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-13 19:31:37,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-13 19:31:37,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2020-10-13 19:31:37,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_before [2020-10-13 19:31:37,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2020-10-13 19:31:37,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-13 19:31:37,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2020-10-13 19:31:37,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_pull [2020-10-13 19:31:37,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2020-10-13 19:31:37,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-13 19:31:37,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-13 19:31:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-13 19:31:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-13 19:31:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-10-13 19:31:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow_head [2020-10-13 19:31:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 19:31:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 19:31:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 19:31:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 19:31:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 19:31:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 19:31:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 19:31:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 19:31:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 19:31:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2020-10-13 19:31:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2020-10-13 19:31:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2020-10-13 19:31:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure release_net [2020-10-13 19:31:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-13 19:31:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net_set [2020-10-13 19:31:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-13 19:31:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-13 19:31:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-13 19:31:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-13 19:31:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-13 19:31:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2020-10-13 19:31:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2020-10-13 19:31:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2020-10-13 19:31:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2020-10-13 19:31:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2020-10-13 19:31:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2020-10-13 19:31:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ethertype_to_npindex [2020-10-13 19:31:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2020-10-13 19:31:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2020-10-13 19:31:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_read [2020-10-13 19:31:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2020-10-13 19:31:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2020-10-13 19:31:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2020-10-13 19:31:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2020-10-13 19:31:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unattached_ioctl [2020-10-13 19:31:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init_net [2020-10-13 19:31:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2020-10-13 19:31:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_init [2020-10-13 19:31:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_start_xmit [2020-10-13 19:31:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2020-10-13 19:31:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2020-10-13 19:31:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_init [2020-10-13 19:31:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_setup [2020-10-13 19:31:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2020-10-13 19:31:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pad_compress_skb [2020-10-13 19:31:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2020-10-13 19:31:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2020-10-13 19:31:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2020-10-13 19:31:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2020-10-13 19:31:37,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2020-10-13 19:31:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input [2020-10-13 19:31:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_input_error [2020-10-13 19:31:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_frame [2020-10-13 19:31:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2020-10-13 19:31:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2020-10-13 19:31:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_decompress_frame [2020-10-13 19:31:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_mp_frame [2020-10-13 19:31:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_insert [2020-10-13 19:31:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_reconstruct [2020-10-13 19:31:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_channel [2020-10-13 19:31:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2020-10-13 19:31:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2020-10-13 19:31:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unit_number [2020-10-13 19:31:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_dev_name [2020-10-13 19:31:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2020-10-13 19:31:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2020-10-13 19:31:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_set_compress [2020-10-13 19:31:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2020-10-13 19:31:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2020-10-13 19:31:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2020-10-13 19:31:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_compressor [2020-10-13 19:31:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_compressor [2020-10-13 19:31:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2020-10-13 19:31:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats [2020-10-13 19:31:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_create_interface [2020-10-13 19:31:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2020-10-13 19:31:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2020-10-13 19:31:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2020-10-13 19:31:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2020-10-13 19:31:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_channel [2020-10-13 19:31:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_connect_channel [2020-10-13 19:31:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2020-10-13 19:31:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2020-10-13 19:31:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_cleanup [2020-10-13 19:31:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_set [2020-10-13 19:31:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_get [2020-10-13 19:31:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2020-10-13 19:31:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2020-10-13 19:31:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pernet_operations_2 [2020-10-13 19:31:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_1 [2020-10-13 19:31:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2020-10-13 19:31:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 19:31:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-13 19:31:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-13 19:31:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-13 19:31:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-13 19:31:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-13 19:31:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-13 19:31:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-13 19:31:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2020-10-13 19:31:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_14 [2020-10-13 19:31:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_15 [2020-10-13 19:31:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_16 [2020-10-13 19:31:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2020-10-13 19:31:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_18 [2020-10-13 19:31:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_19 [2020-10-13 19:31:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_20 [2020-10-13 19:31:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_21 [2020-10-13 19:31:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_23 [2020-10-13 19:31:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_24 [2020-10-13 19:31:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_25 [2020-10-13 19:31:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_26 [2020-10-13 19:31:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_27 [2020-10-13 19:31:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_29 [2020-10-13 19:31:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_30 [2020-10-13 19:31:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_31 [2020-10-13 19:31:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_32 [2020-10-13 19:31:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_33 [2020-10-13 19:31:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_34 [2020-10-13 19:31:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_36 [2020-10-13 19:31:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2020-10-13 19:31:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2020-10-13 19:31:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_39 [2020-10-13 19:31:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_40 [2020-10-13 19:31:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_41 [2020-10-13 19:31:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_43 [2020-10-13 19:31:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_44 [2020-10-13 19:31:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_45 [2020-10-13 19:31:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_46 [2020-10-13 19:31:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_47 [2020-10-13 19:31:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_48 [2020-10-13 19:31:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_49 [2020-10-13 19:31:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_50 [2020-10-13 19:31:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_51 [2020-10-13 19:31:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_53 [2020-10-13 19:31:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_54 [2020-10-13 19:31:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_55 [2020-10-13 19:31:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_56 [2020-10-13 19:31:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_57 [2020-10-13 19:31:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_58 [2020-10-13 19:31:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_59 [2020-10-13 19:31:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_60 [2020-10-13 19:31:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_61 [2020-10-13 19:31:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_62 [2020-10-13 19:31:37,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_63 [2020-10-13 19:31:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_64 [2020-10-13 19:31:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_65 [2020-10-13 19:31:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-13 19:31:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-13 19:31:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-13 19:31:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-13 19:31:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-13 19:31:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 19:31:37,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-13 19:31:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-13 19:31:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-13 19:31:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-13 19:31:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 19:31:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-13 19:31:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-13 19:31:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-13 19:31:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-13 19:31:37,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-13 19:31:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 19:31:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2020-10-13 19:31:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2020-10-13 19:31:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2020-10-13 19:31:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2020-10-13 19:31:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-13 19:31:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 19:31:37,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2020-10-13 19:31:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-13 19:31:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-13 19:31:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-13 19:31:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2020-10-13 19:31:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 19:31:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2020-10-13 19:31:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2020-10-13 19:31:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __rwlock_init [2020-10-13 19:31:37,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2020-10-13 19:31:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-13 19:31:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-13 19:31:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-13 19:31:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2020-10-13 19:31:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2020-10-13 19:31:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-13 19:31:37,610 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2020-10-13 19:31:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-13 19:31:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2020-10-13 19:31:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2020-10-13 19:31:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2020-10-13 19:31:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2020-10-13 19:31:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-13 19:31:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-13 19:31:37,611 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2020-10-13 19:31:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-13 19:31:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2020-10-13 19:31:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2020-10-13 19:31:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2020-10-13 19:31:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2020-10-13 19:31:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-13 19:31:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2020-10-13 19:31:37,612 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2020-10-13 19:31:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find_slowpath [2020-10-13 19:31:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_init [2020-10-13 19:31:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2020-10-13 19:31:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_open_1 [2020-10-13 19:31:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_stop_1 [2020-10-13 19:31:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_1 [2020-10-13 19:31:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-13 19:31:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2020-10-13 19:31:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2020-10-13 19:31:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2020-10-13 19:31:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2020-10-13 19:31:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2020-10-13 19:31:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-13 19:31:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-13 19:31:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-13 19:31:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 19:31:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2020-10-13 19:31:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-13 19:31:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2020-10-13 19:31:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2020-10-13 19:31:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 19:31:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-13 19:31:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2020-10-13 19:31:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lockdep_current_cpu_online [2020-10-13 19:31:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-13 19:31:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pernet_device [2020-10-13 19:31:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2020-10-13 19:31:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-13 19:31:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_chk_filter [2020-10-13 19:31:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_create [2020-10-13 19:31:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unattached_filter_destroy [2020-10-13 19:31:37,616 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_bits [2020-10-13 19:31:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iovec [2020-10-13 19:31:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-13 19:31:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull_rcsum [2020-10-13 19:31:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-13 19:31:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 19:31:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2020-10-13 19:31:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2020-10-13 19:31:37,617 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-13 19:31:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-13 19:31:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2020-10-13 19:31:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2020-10-13 19:31:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2020-10-13 19:31:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2020-10-13 19:31:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_toss [2020-10-13 19:31:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2020-10-13 19:31:37,618 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-13 19:31:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-13 19:31:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2020-10-13 19:31:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2020-10-13 19:31:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2020-10-13 19:31:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-13 19:31:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2020-10-13 19:31:37,619 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 19:31:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 19:31:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 19:31:37,620 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 19:31:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 19:31:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 19:31:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-13 19:31:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-13 19:31:37,620 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-13 19:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-13 19:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2020-10-13 19:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 19:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure __be16_to_cpup [2020-10-13 19:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 19:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-13 19:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-13 19:31:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-13 19:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 19:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-13 19:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 19:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 19:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 19:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-13 19:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 19:31:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-13 19:31:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2020-10-13 19:31:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-13 19:31:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2020-10-13 19:31:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-13 19:31:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-13 19:31:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-13 19:31:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-13 19:31:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2020-10-13 19:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 19:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-13 19:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-13 19:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-13 19:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-13 19:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-13 19:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-13 19:31:37,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 19:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-13 19:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-13 19:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-13 19:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2020-10-13 19:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2020-10-13 19:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-13 19:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2020-10-13 19:31:37,625 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2020-10-13 19:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2020-10-13 19:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2020-10-13 19:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2020-10-13 19:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2020-10-13 19:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 19:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure __rwlock_init [2020-10-13 19:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-13 19:31:37,626 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2020-10-13 19:31:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-13 19:31:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2020-10-13 19:31:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2020-10-13 19:31:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2020-10-13 19:31:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2020-10-13 19:31:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2020-10-13 19:31:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 19:31:37,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-13 19:31:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-13 19:31:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-13 19:31:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-13 19:31:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2020-10-13 19:31:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2020-10-13 19:31:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2020-10-13 19:31:37,628 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2020-10-13 19:31:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2020-10-13 19:31:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2020-10-13 19:31:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-13 19:31:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2020-10-13 19:31:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2020-10-13 19:31:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-13 19:31:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-13 19:31:37,629 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-13 19:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 19:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2020-10-13 19:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2020-10-13 19:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2020-10-13 19:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lockdep_current_cpu_online [2020-10-13 19:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2020-10-13 19:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2020-10-13 19:31:37,630 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-13 19:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2020-10-13 19:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2020-10-13 19:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 19:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2020-10-13 19:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2020-10-13 19:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 19:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 19:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 19:31:37,631 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find_slowpath [2020-10-13 19:31:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2020-10-13 19:31:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2020-10-13 19:31:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2020-10-13 19:31:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure idr_init [2020-10-13 19:31:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2020-10-13 19:31:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 19:31:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 19:31:37,632 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 19:31:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-13 19:31:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-13 19:31:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2020-10-13 19:31:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2020-10-13 19:31:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-13 19:31:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-13 19:31:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2020-10-13 19:31:37,633 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2020-10-13 19:31:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2020-10-13 19:31:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2020-10-13 19:31:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-13 19:31:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-13 19:31:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-13 19:31:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-13 19:31:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-13 19:31:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-13 19:31:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-13 19:31:37,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-13 19:31:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2020-10-13 19:31:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_15 [2020-10-13 19:31:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2020-10-13 19:31:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_20 [2020-10-13 19:31:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_25 [2020-10-13 19:31:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_27 [2020-10-13 19:31:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_31 [2020-10-13 19:31:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_32 [2020-10-13 19:31:37,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_33 [2020-10-13 19:31:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_34 [2020-10-13 19:31:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2020-10-13 19:31:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2020-10-13 19:31:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_39 [2020-10-13 19:31:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_40 [2020-10-13 19:31:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_43 [2020-10-13 19:31:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_46 [2020-10-13 19:31:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_48 [2020-10-13 19:31:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_49 [2020-10-13 19:31:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_51 [2020-10-13 19:31:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_53 [2020-10-13 19:31:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_55 [2020-10-13 19:31:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_56 [2020-10-13 19:31:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_57 [2020-10-13 19:31:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_58 [2020-10-13 19:31:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_59 [2020-10-13 19:31:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_60 [2020-10-13 19:31:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_64 [2020-10-13 19:31:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-13 19:31:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_23 [2020-10-13 19:31:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_24 [2020-10-13 19:31:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_26 [2020-10-13 19:31:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_29 [2020-10-13 19:31:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_30 [2020-10-13 19:31:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_45 [2020-10-13 19:31:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_54 [2020-10-13 19:31:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_16 [2020-10-13 19:31:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-13 19:31:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-13 19:31:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2020-10-13 19:31:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_last [2020-10-13 19:31:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_next [2020-10-13 19:31:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-13 19:31:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unclone [2020-10-13 19:31:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_cloned [2020-10-13 19:31:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2020-10-13 19:31:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2020-10-13 19:31:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-13 19:31:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-13 19:31:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 19:31:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2020-10-13 19:31:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_before [2020-10-13 19:31:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2020-10-13 19:31:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-13 19:31:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2020-10-13 19:31:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_14 [2020-10-13 19:31:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_21 [2020-10-13 19:31:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_36 [2020-10-13 19:31:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_41 [2020-10-13 19:31:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_47 [2020-10-13 19:31:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-13 19:31:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2020-10-13 19:31:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 19:31:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-13 19:31:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-13 19:31:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_pull [2020-10-13 19:31:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2020-10-13 19:31:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2020-10-13 19:31:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-13 19:31:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-13 19:31:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-13 19:31:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-13 19:31:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-13 19:31:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2020-10-13 19:31:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_44 [2020-10-13 19:31:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-10-13 19:31:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow_head [2020-10-13 19:31:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull_rcsum [2020-10-13 19:31:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2020-10-13 19:31:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_bits [2020-10-13 19:31:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-13 19:31:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-13 19:31:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-13 19:31:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 19:31:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 19:31:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 19:31:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-13 19:31:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2020-10-13 19:31:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 19:31:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 19:31:37,644 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 19:31:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 19:31:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 19:31:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 19:31:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 19:31:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 19:31:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 19:31:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 19:31:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 19:31:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pernet_operations_2 [2020-10-13 19:31:37,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_1 [2020-10-13 19:31:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2020-10-13 19:31:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2020-10-13 19:31:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-13 19:31:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-13 19:31:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2020-10-13 19:31:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2020-10-13 19:31:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2020-10-13 19:31:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_18 [2020-10-13 19:31:37,646 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2020-10-13 19:31:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_19 [2020-10-13 19:31:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2020-10-13 19:31:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2020-10-13 19:31:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure release_net [2020-10-13 19:31:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure register_pernet_device [2020-10-13 19:31:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2020-10-13 19:31:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-13 19:31:37,647 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net_set [2020-10-13 19:31:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-13 19:31:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-13 19:31:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_62 [2020-10-13 19:31:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_65 [2020-10-13 19:31:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-13 19:31:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-13 19:31:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-13 19:31:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-13 19:31:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-13 19:31:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_50 [2020-10-13 19:31:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-13 19:31:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-13 19:31:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_61 [2020-10-13 19:31:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-13 19:31:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_63 [2020-10-13 19:31:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2020-10-13 19:31:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-13 19:31:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2020-10-13 19:31:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 19:31:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_create [2020-10-13 19:31:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unattached_filter_destroy [2020-10-13 19:31:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure sk_chk_filter [2020-10-13 19:31:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2020-10-13 19:31:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input [2020-10-13 19:31:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_input_error [2020-10-13 19:31:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2020-10-13 19:31:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_channel [2020-10-13 19:31:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2020-10-13 19:31:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2020-10-13 19:31:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unit_number [2020-10-13 19:31:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_name [2020-10-13 19:31:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_compressor [2020-10-13 19:31:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_compressor [2020-10-13 19:31:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2020-10-13 19:31:37,651 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2020-10-13 19:31:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2020-10-13 19:31:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2020-10-13 19:31:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2020-10-13 19:31:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2020-10-13 19:31:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2020-10-13 19:31:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_toss [2020-10-13 19:31:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2020-10-13 19:31:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unattached_ioctl [2020-10-13 19:31:37,652 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2020-10-13 19:31:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2020-10-13 19:31:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2020-10-13 19:31:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2020-10-13 19:31:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_frame [2020-10-13 19:31:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2020-10-13 19:31:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2020-10-13 19:31:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_decompress_frame [2020-10-13 19:31:37,653 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_mp_frame [2020-10-13 19:31:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_insert [2020-10-13 19:31:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_reconstruct [2020-10-13 19:31:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2020-10-13 19:31:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_set_compress [2020-10-13 19:31:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2020-10-13 19:31:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2020-10-13 19:31:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2020-10-13 19:31:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats [2020-10-13 19:31:37,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_create_interface [2020-10-13 19:31:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2020-10-13 19:31:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2020-10-13 19:31:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2020-10-13 19:31:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2020-10-13 19:31:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_channel [2020-10-13 19:31:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_connect_channel [2020-10-13 19:31:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2020-10-13 19:31:37,655 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2020-10-13 19:31:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure unit_get [2020-10-13 19:31:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure unit_set [2020-10-13 19:31:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2020-10-13 19:31:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2020-10-13 19:31:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2020-10-13 19:31:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2020-10-13 19:31:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ethertype_to_npindex [2020-10-13 19:31:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2020-10-13 19:31:37,656 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2020-10-13 19:31:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_read [2020-10-13 19:31:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2020-10-13 19:31:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2020-10-13 19:31:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2020-10-13 19:31:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2020-10-13 19:31:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-13 19:31:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init_net [2020-10-13 19:31:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2020-10-13 19:31:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_init [2020-10-13 19:31:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_start_xmit [2020-10-13 19:31:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2020-10-13 19:31:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 19:31:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 19:31:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2020-10-13 19:31:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_dev_init [2020-10-13 19:31:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_setup [2020-10-13 19:31:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure pad_compress_skb [2020-10-13 19:31:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-13 19:31:37,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 19:31:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 19:31:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 19:31:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2020-10-13 19:31:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2020-10-13 19:31:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2020-10-13 19:31:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2020-10-13 19:31:37,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 19:31:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~X~int~TO~int [2020-10-13 19:31:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2020-10-13 19:31:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2020-10-13 19:31:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_cleanup [2020-10-13 19:31:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_open_1 [2020-10-13 19:31:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 19:31:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 19:31:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_1 [2020-10-13 19:31:37,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_stop_1 [2020-10-13 19:31:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 19:31:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-13 19:31:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-13 19:31:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-13 19:31:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-13 19:31:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-13 19:31:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-13 19:31:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-13 19:31:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-13 19:31:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-13 19:31:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-13 19:31:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 19:31:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 19:31:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 19:31:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 19:31:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 19:31:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 19:31:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 19:31:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 19:31:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 19:31:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 19:31:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 19:31:39,243 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 19:31:56,052 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 19:31:56,052 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 19:31:56,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:31:56 BoogieIcfgContainer [2020-10-13 19:31:56,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 19:31:56,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 19:31:56,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 19:31:56,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 19:31:56,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:31:32" (1/3) ... [2020-10-13 19:31:56,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5406e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:31:56, skipping insertion in model container [2020-10-13 19:31:56,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:31:36" (2/3) ... [2020-10-13 19:31:56,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5406e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:31:56, skipping insertion in model container [2020-10-13 19:31:56,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:31:56" (3/3) ... [2020-10-13 19:31:56,073 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 [2020-10-13 19:31:56,084 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 19:31:56,094 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 19:31:56,108 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 19:31:56,138 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 19:31:56,139 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 19:31:56,139 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 19:31:56,139 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 19:31:56,139 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 19:31:56,139 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 19:31:56,139 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 19:31:56,139 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 19:31:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states. [2020-10-13 19:31:56,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-13 19:31:56,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 19:31:56,224 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] [2020-10-13 19:31:56,224 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 19:31:56,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 19:31:56,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1510479733, now seen corresponding path program 1 times [2020-10-13 19:31:56,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 19:31:56,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932164174] [2020-10-13 19:31:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 19:31:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:31:57,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:02,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:02,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-13 19:32:02,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:02,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5315 [2020-10-13 19:32:02,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 19:32:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 19:32:02,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 19:32:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 19:32:05,514 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-13 19:32:05,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:32:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:05,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:32:06,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-13 19:32:06,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:32:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:32:06,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 19:32:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:32:06,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 19:32:06,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:32:06,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:32:06,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 19:32:06,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 19:32:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:32:06,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:32:06,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:32:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:32:06,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 19:32:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:32:06,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:32:06,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:32:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:32:06,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 19:32:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:32:06,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 19:32:06,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:32:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:32:06,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 19:32:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:32:06,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 19:32:06,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:32:06,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:32:06,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 19:32:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:32:06,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:32:06,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:32:06,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:32:06,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 19:32:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:32:06,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 19:32:06,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:32:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:32:06,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 19:32:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 19:32:06,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 19:32:06,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:32:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:32:06,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 19:32:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 19:32:06,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 19:32:06,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:32:06,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:32:06,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 19:32:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:32:06,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 19:32:06,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:32:06,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 19:32:06,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 19:32:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 19:32:06,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 19:32:06,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 19:32:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 19:32:06,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 19:32:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:32:06,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 19:32:06,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 19:32:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 19:32:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 19:32:06,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 19:32:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 19:32:06,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 19:32:06,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 19:32:06,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 19:32:06,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 19:32:06,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 19:32:06,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 19:32:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 19:32:06,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 19:32:06,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 19:32:06,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 19:32:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 19:32:06,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932164174] [2020-10-13 19:32:06,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 19:32:06,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 19:32:06,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256015564] [2020-10-13 19:32:06,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 19:32:06,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 19:32:06,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 19:32:06,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-13 19:32:06,875 INFO L87 Difference]: Start difference. First operand 2881 states. Second operand 10 states. [2020-10-13 19:32:09,851 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-13 19:32:14,565 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 735 [2020-10-13 19:32:17,696 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification that was a NOOP. DAG size: 732 [2020-10-13 19:32:38,224 WARN L193 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 743 DAG size of output: 738 [2020-10-13 19:32:41,775 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 738 [2020-10-13 19:32:44,991 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 738 [2020-10-13 19:33:02,360 WARN L193 SmtUtils]: Spent 3.09 s on a formula simplification that was a NOOP. DAG size: 743