./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 23:00:19,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:00:19,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:00:19,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:00:19,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:00:19,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:00:19,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:00:19,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:00:19,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:00:19,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:00:19,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:00:19,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:00:19,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:00:19,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:00:19,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:00:19,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:00:19,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:00:19,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:00:19,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:00:19,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:00:19,996 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:00:19,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:00:19,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:00:19,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:00:20,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:00:20,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:00:20,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:00:20,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:00:20,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:00:20,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:00:20,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:00:20,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:00:20,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:00:20,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:00:20,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:00:20,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:00:20,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:00:20,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:00:20,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:00:20,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:00:20,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:00:20,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:00:20,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-13 23:00:20,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:00:20,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:00:20,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:00:20,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:00:20,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:00:20,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:00:20,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:00:20,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:00:20,050 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:00:20,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:00:20,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 23:00:20,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:00:20,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:00:20,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:00:20,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:00:20,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:00:20,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:00:20,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:00:20,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:00:20,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:00:20,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:00:20,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:00:20,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:00:20,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:00:20,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:00:20,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 23:00:20,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 23:00:20,055 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:00:20,055 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:00:20,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:00:20,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-07-13 23:00:20,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:00:20,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:00:20,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:00:20,328 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:00:20,328 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:00:20,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-13 23:00:20,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/775f7f21c/f6821810e3c94d2091079af7258a3ff2/FLAGb2308b1d1 [2022-07-13 23:00:21,152 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:00:21,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-13 23:00:21,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/775f7f21c/f6821810e3c94d2091079af7258a3ff2/FLAGb2308b1d1 [2022-07-13 23:00:21,217 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/775f7f21c/f6821810e3c94d2091079af7258a3ff2 [2022-07-13 23:00:21,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:00:21,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:00:21,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:00:21,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:00:21,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:00:21,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:00:21" (1/1) ... [2022-07-13 23:00:21,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd26049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:21, skipping insertion in model container [2022-07-13 23:00:21,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:00:21" (1/1) ... [2022-07-13 23:00:21,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:00:21,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:00:22,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-07-13 23:00:22,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:00:22,935 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:00:23,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-07-13 23:00:23,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:00:23,417 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:00:23,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23 WrapperNode [2022-07-13 23:00:23,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:00:23,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:00:23,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:00:23,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:00:23,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23" (1/1) ... [2022-07-13 23:00:23,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23" (1/1) ... [2022-07-13 23:00:23,670 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4270 [2022-07-13 23:00:23,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:00:23,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:00:23,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:00:23,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:00:23,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23" (1/1) ... [2022-07-13 23:00:23,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23" (1/1) ... [2022-07-13 23:00:23,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23" (1/1) ... [2022-07-13 23:00:23,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23" (1/1) ... [2022-07-13 23:00:23,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23" (1/1) ... [2022-07-13 23:00:23,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23" (1/1) ... [2022-07-13 23:00:23,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23" (1/1) ... [2022-07-13 23:00:23,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:00:23,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:00:23,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:00:23,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:00:23,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23" (1/1) ... [2022-07-13 23:00:23,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:00:23,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:00:23,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 23:00:23,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 23:00:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-13 23:00:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-13 23:00:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-13 23:00:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-13 23:00:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-13 23:00:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-13 23:00:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-13 23:00:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-13 23:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-13 23:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-13 23:00:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-13 23:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:00:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-13 23:00:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-13 23:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-13 23:00:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-13 23:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-13 23:00:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-13 23:00:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-13 23:00:23,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-13 23:00:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-13 23:00:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-13 23:00:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-13 23:00:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-13 23:00:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-13 23:00:23,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-13 23:00:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-13 23:00:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-13 23:00:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-13 23:00:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-13 23:00:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:00:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:00:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-13 23:00:23,967 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-13 23:00:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-13 23:00:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-13 23:00:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-13 23:00:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-13 23:00:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-13 23:00:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-13 23:00:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:00:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:00:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-07-13 23:00:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-07-13 23:00:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-13 23:00:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-13 23:00:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-13 23:00:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-13 23:00:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-13 23:00:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-13 23:00:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 23:00:23,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 23:00:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-13 23:00:23,971 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-13 23:00:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-13 23:00:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-13 23:00:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-13 23:00:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-13 23:00:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-13 23:00:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-13 23:00:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-13 23:00:23,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-13 23:00:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-07-13 23:00:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-07-13 23:00:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:00:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-13 23:00:23,974 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-13 23:00:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-13 23:00:23,975 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-13 23:00:24,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:00:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-13 23:00:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-13 23:00:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-13 23:00:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-13 23:00:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-13 23:00:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-13 23:00:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:00:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:00:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-13 23:00:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-13 23:00:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-13 23:00:24,046 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-13 23:00:24,046 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-13 23:00:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-13 23:00:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-13 23:00:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-13 23:00:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-13 23:00:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-13 23:00:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-13 23:00:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-13 23:00:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-07-13 23:00:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-07-13 23:00:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-13 23:00:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-13 23:00:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-13 23:00:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-13 23:00:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-13 23:00:24,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-13 23:00:24,047 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-13 23:00:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-13 23:00:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-13 23:00:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-13 23:00:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-13 23:00:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-13 23:00:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-13 23:00:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-13 23:00:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-13 23:00:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-13 23:00:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-13 23:00:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-13 23:00:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-13 23:00:24,048 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-13 23:00:24,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-13 23:00:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-13 23:00:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-13 23:00:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-13 23:00:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-13 23:00:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-13 23:00:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-13 23:00:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-13 23:00:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-07-13 23:00:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-07-13 23:00:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 23:00:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-13 23:00:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-13 23:00:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-13 23:00:24,049 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-13 23:00:24,049 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-13 23:00:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-13 23:00:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-13 23:00:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-13 23:00:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-13 23:00:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-13 23:00:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-13 23:00:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-13 23:00:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-13 23:00:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-13 23:00:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-13 23:00:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-13 23:00:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-13 23:00:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-13 23:00:24,050 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-13 23:00:24,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-13 23:00:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 23:00:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-13 23:00:24,051 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-13 23:00:24,051 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-13 23:00:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-13 23:00:24,058 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-13 23:00:24,058 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-13 23:00:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-13 23:00:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-13 23:00:24,059 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-13 23:00:24,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-13 23:00:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:00:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-13 23:00:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-13 23:00:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-13 23:00:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-13 23:00:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:00:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-13 23:00:24,060 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-13 23:00:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:00:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-13 23:00:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-13 23:00:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-13 23:00:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-13 23:00:24,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-13 23:00:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-13 23:00:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-13 23:00:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-13 23:00:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-13 23:00:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-13 23:00:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-13 23:00:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-13 23:00:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-13 23:00:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-13 23:00:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-13 23:00:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-13 23:00:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-13 23:00:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-13 23:00:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-13 23:00:24,063 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-13 23:00:24,063 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-13 23:00:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-13 23:00:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-13 23:00:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-13 23:00:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-13 23:00:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-13 23:00:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-13 23:00:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-13 23:00:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-13 23:00:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-07-13 23:00:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-07-13 23:00:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-13 23:00:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-13 23:00:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-07-13 23:00:24,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-07-13 23:00:24,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 23:00:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-13 23:00:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-13 23:00:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-13 23:00:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-13 23:00:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:00:24,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:00:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-13 23:00:24,067 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-13 23:00:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-13 23:00:24,067 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-13 23:00:24,614 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:00:24,617 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:00:25,129 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-13 23:00:25,130 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-13 23:00:25,792 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:25,794 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:25,796 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:26,217 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2022-07-13 23:00:26,218 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2022-07-13 23:00:26,218 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume false; [2022-07-13 23:00:26,218 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##262: assume !false; [2022-07-13 23:00:26,218 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2022-07-13 23:00:26,218 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2022-07-13 23:00:26,219 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2022-07-13 23:00:26,219 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2022-07-13 23:00:26,220 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2022-07-13 23:00:26,220 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2022-07-13 23:00:26,220 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2022-07-13 23:00:26,221 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2022-07-13 23:00:26,221 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2022-07-13 23:00:26,221 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2022-07-13 23:00:26,221 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2022-07-13 23:00:26,221 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2022-07-13 23:00:26,221 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2022-07-13 23:00:26,222 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2022-07-13 23:00:26,222 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2022-07-13 23:00:26,222 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2022-07-13 23:00:26,222 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2022-07-13 23:00:26,222 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2022-07-13 23:00:26,222 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2022-07-13 23:00:26,223 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2022-07-13 23:00:26,223 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2022-07-13 23:00:26,223 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2022-07-13 23:00:26,223 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2022-07-13 23:00:26,223 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2022-07-13 23:00:26,224 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2022-07-13 23:00:26,224 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2022-07-13 23:00:26,227 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-07-13 23:00:26,227 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-07-13 23:00:26,357 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:26,363 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:27,098 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset := get_current(); srcloc: null [2022-07-13 23:00:27,098 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;havoc ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2022-07-13 23:00:27,098 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;havoc ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2022-07-13 23:00:27,098 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset := get_current(); srcloc: null [2022-07-13 23:00:27,098 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-07-13 23:00:27,098 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-07-13 23:00:27,098 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-07-13 23:00:27,098 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-07-13 23:00:27,098 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-13 23:00:27,099 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-13 23:00:27,099 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2022-07-13 23:00:27,099 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2022-07-13 23:00:27,137 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:00:27,159 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:00:27,159 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-13 23:00:27,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:00:27 BoogieIcfgContainer [2022-07-13 23:00:27,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:00:27,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:00:27,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:00:27,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:00:27,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:00:21" (1/3) ... [2022-07-13 23:00:27,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce10554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:00:27, skipping insertion in model container [2022-07-13 23:00:27,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:23" (2/3) ... [2022-07-13 23:00:27,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ce10554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:00:27, skipping insertion in model container [2022-07-13 23:00:27,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:00:27" (3/3) ... [2022-07-13 23:00:27,173 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-13 23:00:27,186 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:00:27,187 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:00:27,281 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:00:27,288 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@43b0b2a9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@37bc28e5 [2022-07-13 23:00:27,288 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:00:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand has 1467 states, 1040 states have (on average 1.364423076923077) internal successors, (1419), 1075 states have internal predecessors, (1419), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) [2022-07-13 23:00:27,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-13 23:00:27,304 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:00:27,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:00:27,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:00:27,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:00:27,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1853015897, now seen corresponding path program 1 times [2022-07-13 23:00:27,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:00:27,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90526209] [2022-07-13 23:00:27,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:00:27,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:00:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:00:27,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:00:27,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90526209] [2022-07-13 23:00:27,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90526209] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:00:27,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:00:27,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 23:00:27,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991943990] [2022-07-13 23:00:27,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:00:27,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:00:27,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:00:27,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:00:27,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:00:27,685 INFO L87 Difference]: Start difference. First operand has 1467 states, 1040 states have (on average 1.364423076923077) internal successors, (1419), 1075 states have internal predecessors, (1419), 331 states have call successors, (331), 96 states have call predecessors, (331), 96 states have return successors, (331), 323 states have call predecessors, (331), 331 states have call successors, (331) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:00:27,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:00:27,972 INFO L93 Difference]: Finished difference Result 4355 states and 6322 transitions. [2022-07-13 23:00:27,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:00:27,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-07-13 23:00:27,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:00:28,017 INFO L225 Difference]: With dead ends: 4355 [2022-07-13 23:00:28,017 INFO L226 Difference]: Without dead ends: 2874 [2022-07-13 23:00:28,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:00:28,037 INFO L413 NwaCegarLoop]: 2397 mSDtfsCounter, 2021 mSDsluCounter, 2002 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 4399 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:00:28,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 4399 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:00:28,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2022-07-13 23:00:28,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2871. [2022-07-13 23:00:28,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2871 states, 2029 states have (on average 1.3262690980778709) internal successors, (2691), 2096 states have internal predecessors, (2691), 651 states have call successors, (651), 191 states have call predecessors, (651), 190 states have return successors, (655), 633 states have call predecessors, (655), 649 states have call successors, (655) [2022-07-13 23:00:28,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 2871 states and 3997 transitions. [2022-07-13 23:00:28,289 INFO L78 Accepts]: Start accepts. Automaton has 2871 states and 3997 transitions. Word has length 12 [2022-07-13 23:00:28,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:00:28,290 INFO L495 AbstractCegarLoop]: Abstraction has 2871 states and 3997 transitions. [2022-07-13 23:00:28,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:00:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2871 states and 3997 transitions. [2022-07-13 23:00:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-13 23:00:28,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:00:28,310 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:00:28,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 23:00:28,311 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:00:28,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:00:28,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1353128840, now seen corresponding path program 1 times [2022-07-13 23:00:28,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:00:28,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769525833] [2022-07-13 23:00:28,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:00:28,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:00:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:28,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 23:00:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 23:00:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:28,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-13 23:00:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:28,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-13 23:00:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:28,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-13 23:00:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-13 23:00:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-13 23:00:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:28,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-13 23:00:28,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:00:28,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769525833] [2022-07-13 23:00:28,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769525833] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:00:28,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:00:28,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 23:00:28,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658230846] [2022-07-13 23:00:28,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:00:28,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 23:00:28,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:00:28,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 23:00:28,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:00:28,603 INFO L87 Difference]: Start difference. First operand 2871 states and 3997 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-13 23:00:32,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:00:32,078 INFO L93 Difference]: Finished difference Result 6354 states and 8980 transitions. [2022-07-13 23:00:32,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 23:00:32,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 74 [2022-07-13 23:00:32,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:00:32,103 INFO L225 Difference]: With dead ends: 6354 [2022-07-13 23:00:32,104 INFO L226 Difference]: Without dead ends: 3510 [2022-07-13 23:00:32,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 23:00:32,122 INFO L413 NwaCegarLoop]: 1814 mSDtfsCounter, 917 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 3650 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-13 23:00:32,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 3650 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-13 23:00:32,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3510 states. [2022-07-13 23:00:32,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3510 to 3150. [2022-07-13 23:00:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2250 states have (on average 1.3328888888888888) internal successors, (2999), 2319 states have internal predecessors, (2999), 709 states have call successors, (709), 191 states have call predecessors, (709), 190 states have return successors, (714), 691 states have call predecessors, (714), 707 states have call successors, (714) [2022-07-13 23:00:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4422 transitions. [2022-07-13 23:00:32,325 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4422 transitions. Word has length 74 [2022-07-13 23:00:32,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:00:32,326 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4422 transitions. [2022-07-13 23:00:32,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-13 23:00:32,326 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4422 transitions. [2022-07-13 23:00:32,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-07-13 23:00:32,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:00:32,339 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:00:32,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 23:00:32,340 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:00:32,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:00:32,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1496577686, now seen corresponding path program 1 times [2022-07-13 23:00:32,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:00:32,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190606562] [2022-07-13 23:00:32,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:00:32,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:00:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-13 23:00:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:32,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-13 23:00:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-13 23:00:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-13 23:00:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:32,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-13 23:00:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-13 23:00:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-13 23:00:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:32,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-13 23:00:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-13 23:00:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:00:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-13 23:00:32,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 23:00:32,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190606562] [2022-07-13 23:00:32,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190606562] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:00:32,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:00:32,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 23:00:32,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686855039] [2022-07-13 23:00:32,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:00:32,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 23:00:32,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 23:00:32,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 23:00:32,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 23:00:32,741 INFO L87 Difference]: Start difference. First operand 3150 states and 4422 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-13 23:00:36,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:00:36,716 INFO L93 Difference]: Finished difference Result 6620 states and 9377 transitions. [2022-07-13 23:00:36,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 23:00:36,717 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 92 [2022-07-13 23:00:36,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:00:36,738 INFO L225 Difference]: With dead ends: 6620 [2022-07-13 23:00:36,739 INFO L226 Difference]: Without dead ends: 3494 [2022-07-13 23:00:36,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-13 23:00:36,753 INFO L413 NwaCegarLoop]: 1816 mSDtfsCounter, 746 mSDsluCounter, 4509 mSDsCounter, 0 mSdLazyCounter, 3217 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 6325 SdHoareTripleChecker+Invalid, 3592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 3217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-13 23:00:36,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 6325 Invalid, 3592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 3217 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-13 23:00:36,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3494 states. [2022-07-13 23:00:36,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3494 to 3150. [2022-07-13 23:00:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2250 states have (on average 1.332) internal successors, (2997), 2317 states have internal predecessors, (2997), 709 states have call successors, (709), 191 states have call predecessors, (709), 190 states have return successors, (714), 691 states have call predecessors, (714), 707 states have call successors, (714) [2022-07-13 23:00:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4420 transitions. [2022-07-13 23:00:36,884 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4420 transitions. Word has length 92 [2022-07-13 23:00:36,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:00:36,884 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4420 transitions. [2022-07-13 23:00:36,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-13 23:00:36,885 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4420 transitions. [2022-07-13 23:00:36,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-13 23:00:36,892 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:00:36,892 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:00:36,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 23:00:36,893 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:00:36,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:00:36,893 INFO L85 PathProgramCache]: Analyzing trace with hash -722462712, now seen corresponding path program 1 times [2022-07-13 23:00:36,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 23:00:36,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072904023] [2022-07-13 23:00:36,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:00:36,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 23:00:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:00:37,747 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 23:00:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:00:38,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 23:00:38,197 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 23:00:38,198 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 23:00:38,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 23:00:38,202 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-07-13 23:00:38,205 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 23:00:38,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:00:38 BoogieIcfgContainer [2022-07-13 23:00:38,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 23:00:38,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 23:00:38,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 23:00:38,375 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 23:00:38,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:00:27" (3/4) ... [2022-07-13 23:00:38,378 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 23:00:38,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 23:00:38,380 INFO L158 Benchmark]: Toolchain (without parser) took 17158.20ms. Allocated memory was 100.7MB in the beginning and 564.1MB in the end (delta: 463.5MB). Free memory was 56.1MB in the beginning and 435.6MB in the end (delta: -379.5MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2022-07-13 23:00:38,380 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:00:38,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2195.96ms. Allocated memory was 100.7MB in the beginning and 199.2MB in the end (delta: 98.6MB). Free memory was 55.9MB in the beginning and 118.2MB in the end (delta: -62.3MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-07-13 23:00:38,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 250.72ms. Allocated memory is still 199.2MB. Free memory was 118.2MB in the beginning and 93.1MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-13 23:00:38,382 INFO L158 Benchmark]: Boogie Preprocessor took 209.65ms. Allocated memory is still 199.2MB. Free memory was 93.1MB in the beginning and 67.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-13 23:00:38,382 INFO L158 Benchmark]: RCFGBuilder took 3281.49ms. Allocated memory was 199.2MB in the beginning and 360.7MB in the end (delta: 161.5MB). Free memory was 66.9MB in the beginning and 247.9MB in the end (delta: -181.0MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2022-07-13 23:00:38,382 INFO L158 Benchmark]: TraceAbstraction took 11208.24ms. Allocated memory was 360.7MB in the beginning and 564.1MB in the end (delta: 203.4MB). Free memory was 246.8MB in the beginning and 435.6MB in the end (delta: -188.8MB). Peak memory consumption was 324.0MB. Max. memory is 16.1GB. [2022-07-13 23:00:38,383 INFO L158 Benchmark]: Witness Printer took 3.68ms. Allocated memory is still 564.1MB. Free memory is still 435.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:00:38,388 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2195.96ms. Allocated memory was 100.7MB in the beginning and 199.2MB in the end (delta: 98.6MB). Free memory was 55.9MB in the beginning and 118.2MB in the end (delta: -62.3MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 250.72ms. Allocated memory is still 199.2MB. Free memory was 118.2MB in the beginning and 93.1MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 209.65ms. Allocated memory is still 199.2MB. Free memory was 93.1MB in the beginning and 67.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3281.49ms. Allocated memory was 199.2MB in the beginning and 360.7MB in the end (delta: 161.5MB). Free memory was 66.9MB in the beginning and 247.9MB in the end (delta: -181.0MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * TraceAbstraction took 11208.24ms. Allocated memory was 360.7MB in the beginning and 564.1MB in the end (delta: 203.4MB). Free memory was 246.8MB in the beginning and 435.6MB in the end (delta: -188.8MB). Peak memory consumption was 324.0MB. Max. memory is 16.1GB. * Witness Printer took 3.68ms. Allocated memory is still 564.1MB. Free memory is still 435.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167, overapproximation of bitwiseOr at line 7938, overapproximation of bitwiseAnd at line 7939, overapproximation of bitwiseComplement at line 7045. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [\old(major)=108, \result=0, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, fops={66:0}, fops={66:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, major=108, mp_protocol_compress=1, name={18:0}, name={18:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={18446744073709551858:18446744073709551900}, arg0={18446744073709551858:18446744073709551900}, arg0={18446744073709551858:18446744073709551900}, arg1={20:0}, arg1={20:0}, arg2={105:0}, arg2={105:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [__key={105:0}, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [\result=0, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={105:0}, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [\result=0, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___1=1] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={305:-304}, pf->kind=4294967298, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6840] COND TRUE (unsigned int )pf->kind == 2U [L6842] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6843] __mptr___0 = (struct ppp_file const *)pf [L6844] pch = (struct channel *)__mptr___0 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6846] COND FALSE !((int )cmd == 1074033722) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6849] COND FALSE !((int )cmd == 29753) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6895] FCALL down_read(& pch->chan_sem) [L6896] EXPR pch->chan [L6896] chan = pch->chan [L6897] err = -25 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6899] COND TRUE (unsigned long )chan != (unsigned long )((struct ppp_channel *)0) [L6900] EXPR chan->ops [L6900] EXPR (chan->ops)->ioctl VAL [(chan->ops)->ioctl={79:-78}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551902:0}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6900-L6902] COND TRUE (unsigned long )(chan->ops)->ioctl != (unsigned long )((int (* const )(struct ppp_channel * , unsigned int , unsigned long ))0) [L6904] EXPR chan->ops [L6904] EXPR (chan->ops)->ioctl VAL [(chan->ops)->ioctl={79:-78}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___0={305:-304}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551902:0}, channel_count={62:0}, cmd=1074033753, code={109:0}, code___0={110:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={18446744073709551873:-2}, file={18446744073709551873:-2}, idle={107:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={106:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6904] CALL (*((chan->ops)->ioctl))(chan, cmd, arg) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, pf->kind=-8589934591, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, pf->kind=-8589934591, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6931] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L7014] FCALL might_fault() VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=71, val = val & 65535=18446744073709551880] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=71, val = val & 65535=18446744073709551880] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7043] RET spin_lock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=71, val = val & 65535=18446744073709551880] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7044] RET spin_lock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=71, val = val & 65535=18446744073709551880] [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=71, val = val & 65535=18446744073709551880] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7047] RET spin_unlock_bh(& ppp->rlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=71, val = val & 65535=18446744073709551880] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7048] RET spin_unlock_bh(& ppp->wlock) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=71, val = val & 65535=18446744073709551880] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __mptr___1={18446744073709551852:-235}, __ret_gu___1=0, __this_module={18446744073709551858:18446744073709551900}, __val_gu___1=71, arg=18446744073709551615, argp={0:-1}, cflags=-4294967295, channel_count={62:0}, cmd=1074033753, code={115:0}, code___0={103:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={114:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={113:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=71, val = val & 65535=18446744073709551880] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xstate={-18446744073709551689:74}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xstate={-18446744073709551689:74}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xstate={-18446744073709551689:74}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xcomp->comp_free={-1:12}, xstate={-18446744073709551689:74}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9974] RET (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={18446744073709551852:-235}, ppp={18446744073709551852:-235}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551899:18446744073709551877}, rstate={18446744073709551869:18446744073709551861}, val = val & 65535=18446744073709551880, xcomp={-18446744073709551689:-15}, xcomp->comp_free={-1:12}, xstate={-18446744073709551689:74}] [L9975] EXPR xcomp->owner [L9975] CALL ldv_module_put_5(xcomp->owner) [L10926] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={84:-83}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={84:-83}, module={84:-83}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={84:-83}, module={84:-83}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, \old(val = val & 65535)=18446744073709551880, __this_module={18446744073709551858:18446744073709551900}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val = val & 65535=18446744073709551880] - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 1467 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.0s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3985 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3684 mSDsluCounter, 14374 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8347 mSDsCounter, 791 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4829 IncrementalHoareTripleChecker+Invalid, 5620 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 791 mSolverCounterUnsat, 6027 mSDtfsCounter, 4829 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3150occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 3 MinimizatonAttempts, 707 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-13 23:00:38,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 23:00:40,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 23:00:40,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 23:00:40,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 23:00:40,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 23:00:40,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 23:00:40,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 23:00:40,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 23:00:40,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 23:00:40,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 23:00:40,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 23:00:40,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 23:00:40,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 23:00:40,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 23:00:40,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 23:00:40,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 23:00:40,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 23:00:40,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 23:00:40,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 23:00:40,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 23:00:40,553 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 23:00:40,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 23:00:40,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 23:00:40,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 23:00:40,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 23:00:40,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 23:00:40,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 23:00:40,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 23:00:40,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 23:00:40,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 23:00:40,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 23:00:40,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 23:00:40,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 23:00:40,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 23:00:40,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 23:00:40,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 23:00:40,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 23:00:40,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 23:00:40,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 23:00:40,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 23:00:40,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 23:00:40,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 23:00:40,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-13 23:00:40,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 23:00:40,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 23:00:40,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 23:00:40,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 23:00:40,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 23:00:40,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 23:00:40,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 23:00:40,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 23:00:40,615 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 23:00:40,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 23:00:40,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 23:00:40,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 23:00:40,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 23:00:40,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 23:00:40,617 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 23:00:40,617 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 23:00:40,617 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 23:00:40,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 23:00:40,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 23:00:40,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 23:00:40,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 23:00:40,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 23:00:40,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 23:00:40,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:00:40,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 23:00:40,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 23:00:40,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 23:00:40,619 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 23:00:40,619 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 23:00:40,620 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 23:00:40,620 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 23:00:40,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 23:00:40,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 23:00:40,621 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2022-07-13 23:00:40,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 23:00:40,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 23:00:40,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 23:00:40,953 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 23:00:40,953 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 23:00:40,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-13 23:00:41,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e9511c1/cbf69d82c17242d18640a395eda6cbe4/FLAG6b0426fd8 [2022-07-13 23:00:41,753 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 23:00:41,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-13 23:00:41,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e9511c1/cbf69d82c17242d18640a395eda6cbe4/FLAG6b0426fd8 [2022-07-13 23:00:42,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29e9511c1/cbf69d82c17242d18640a395eda6cbe4 [2022-07-13 23:00:42,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 23:00:42,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 23:00:42,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 23:00:42,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 23:00:42,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 23:00:42,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:00:42" (1/1) ... [2022-07-13 23:00:42,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616a54bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:42, skipping insertion in model container [2022-07-13 23:00:42,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:00:42" (1/1) ... [2022-07-13 23:00:42,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 23:00:42,162 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:00:43,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-07-13 23:00:43,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:00:43,949 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-13 23:00:44,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 23:00:44,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-07-13 23:00:44,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:00:44,413 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 23:00:44,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2022-07-13 23:00:44,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 23:00:44,897 INFO L208 MainTranslator]: Completed translation [2022-07-13 23:00:44,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44 WrapperNode [2022-07-13 23:00:44,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 23:00:44,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 23:00:44,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 23:00:44,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 23:00:44,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44" (1/1) ... [2022-07-13 23:00:44,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44" (1/1) ... [2022-07-13 23:00:45,132 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2022-07-13 23:00:45,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 23:00:45,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 23:00:45,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 23:00:45,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 23:00:45,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44" (1/1) ... [2022-07-13 23:00:45,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44" (1/1) ... [2022-07-13 23:00:45,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44" (1/1) ... [2022-07-13 23:00:45,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44" (1/1) ... [2022-07-13 23:00:45,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44" (1/1) ... [2022-07-13 23:00:45,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44" (1/1) ... [2022-07-13 23:00:45,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44" (1/1) ... [2022-07-13 23:00:45,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 23:00:45,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 23:00:45,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 23:00:45,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 23:00:45,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44" (1/1) ... [2022-07-13 23:00:45,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 23:00:45,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 23:00:45,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 23:00:45,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 23:00:45,440 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-13 23:00:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-13 23:00:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-13 23:00:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-13 23:00:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-13 23:00:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-13 23:00:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-13 23:00:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-13 23:00:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-13 23:00:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-13 23:00:45,442 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-13 23:00:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-13 23:00:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-13 23:00:45,442 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-13 23:00:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-13 23:00:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-13 23:00:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-13 23:00:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-13 23:00:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-13 23:00:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-13 23:00:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-13 23:00:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-13 23:00:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-13 23:00:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-13 23:00:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-13 23:00:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-13 23:00:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-13 23:00:45,444 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-13 23:00:45,444 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-13 23:00:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-13 23:00:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-13 23:00:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-13 23:00:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-13 23:00:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-13 23:00:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-13 23:00:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-13 23:00:45,446 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-13 23:00:45,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-13 23:00:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-13 23:00:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-07-13 23:00:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2022-07-13 23:00:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-13 23:00:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-13 23:00:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-13 23:00:45,447 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-13 23:00:45,447 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-13 23:00:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-13 23:00:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2022-07-13 23:00:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2022-07-13 23:00:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-13 23:00:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-13 23:00:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-07-13 23:00:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-07-13 23:00:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-13 23:00:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-13 23:00:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-13 23:00:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-13 23:00:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-13 23:00:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-13 23:00:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-13 23:00:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-13 23:00:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-13 23:00:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-13 23:00:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-13 23:00:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-13 23:00:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-13 23:00:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-13 23:00:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2022-07-13 23:00:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2022-07-13 23:00:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 23:00:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-13 23:00:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-13 23:00:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-13 23:00:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-13 23:00:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-13 23:00:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-13 23:00:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-13 23:00:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-13 23:00:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-13 23:00:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-13 23:00:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-13 23:00:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-13 23:00:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-07-13 23:00:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-07-13 23:00:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 23:00:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-13 23:00:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-13 23:00:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-13 23:00:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-13 23:00:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-13 23:00:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-13 23:00:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 23:00:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-13 23:00:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-13 23:00:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-13 23:00:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-13 23:00:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-13 23:00:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-13 23:00:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-13 23:00:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-13 23:00:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-13 23:00:45,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-13 23:00:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2022-07-13 23:00:45,459 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2022-07-13 23:00:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-13 23:00:45,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-13 23:00:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-13 23:00:45,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-13 23:00:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-13 23:00:45,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-13 23:00:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-13 23:00:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-13 23:00:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-13 23:00:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-13 23:00:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-13 23:00:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-13 23:00:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-13 23:00:45,465 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-13 23:00:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-13 23:00:45,465 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-13 23:00:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-13 23:00:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-13 23:00:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-13 23:00:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-13 23:00:45,471 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-13 23:00:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-13 23:00:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-13 23:00:45,472 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-13 23:00:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-13 23:00:45,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-13 23:00:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2022-07-13 23:00:45,472 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2022-07-13 23:00:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-13 23:00:45,472 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-13 23:00:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-13 23:00:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-13 23:00:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-13 23:00:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-13 23:00:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-13 23:00:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-13 23:00:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-13 23:00:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-13 23:00:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-13 23:00:45,474 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-13 23:00:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-13 23:00:45,474 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-13 23:00:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-13 23:00:45,474 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-13 23:00:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-13 23:00:45,474 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-13 23:00:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-13 23:00:45,474 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-13 23:00:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-13 23:00:45,475 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-13 23:00:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-13 23:00:45,475 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-13 23:00:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-13 23:00:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-13 23:00:45,475 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-13 23:00:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-13 23:00:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-13 23:00:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-13 23:00:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-13 23:00:45,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-13 23:00:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-13 23:00:45,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-13 23:00:45,476 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-13 23:00:45,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-13 23:00:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-13 23:00:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-13 23:00:45,477 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-13 23:00:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-13 23:00:45,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-13 23:00:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 23:00:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-13 23:00:45,477 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-13 23:00:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-13 23:00:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-13 23:00:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-13 23:00:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-13 23:00:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-13 23:00:45,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-13 23:00:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-13 23:00:45,478 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-13 23:00:45,478 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-13 23:00:45,479 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-13 23:00:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-13 23:00:45,479 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-13 23:00:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-13 23:00:45,479 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-13 23:00:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-13 23:00:45,479 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-13 23:00:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-13 23:00:45,479 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-13 23:00:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-13 23:00:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-13 23:00:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-13 23:00:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-13 23:00:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-13 23:00:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-07-13 23:00:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-07-13 23:00:45,480 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-13 23:00:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-13 23:00:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-13 23:00:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-13 23:00:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-13 23:00:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-13 23:00:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-13 23:00:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-13 23:00:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-13 23:00:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-13 23:00:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-13 23:00:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 23:00:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 23:00:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-13 23:00:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-13 23:00:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-13 23:00:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-13 23:00:46,115 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 23:00:46,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 23:00:49,340 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-07-13 23:00:49,340 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-07-13 23:00:59,744 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:59,747 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:59,751 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:59,752 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:00:59,760 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 23:01:11,284 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset := get_current(); srcloc: null [2022-07-13 23:01:11,285 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;havoc ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2022-07-13 23:01:11,285 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2022-07-13 23:01:11,285 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2022-07-13 23:01:11,285 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;havoc ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2022-07-13 23:01:11,285 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset := get_current(); srcloc: null [2022-07-13 23:01:11,285 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2022-07-13 23:01:11,285 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2022-07-13 23:01:11,286 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-07-13 23:01:11,286 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-07-13 23:01:11,286 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2022-07-13 23:01:11,286 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2022-07-13 23:01:11,286 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2022-07-13 23:01:11,286 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2022-07-13 23:01:11,286 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2022-07-13 23:01:11,287 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2022-07-13 23:01:11,287 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2022-07-13 23:01:11,287 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2022-07-13 23:01:11,287 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2022-07-13 23:01:11,287 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2022-07-13 23:01:11,287 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2022-07-13 23:01:11,287 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2022-07-13 23:01:11,288 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2022-07-13 23:01:11,288 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2022-07-13 23:01:11,288 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2022-07-13 23:01:11,288 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2022-07-13 23:01:11,288 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2022-07-13 23:01:11,288 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2022-07-13 23:01:11,288 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2022-07-13 23:01:11,289 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2022-07-13 23:01:11,289 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2022-07-13 23:01:11,289 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2022-07-13 23:01:11,289 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2022-07-13 23:01:11,289 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2022-07-13 23:01:11,289 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2022-07-13 23:01:11,289 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2022-07-13 23:01:11,290 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2022-07-13 23:01:11,290 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2022-07-13 23:01:11,290 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2022-07-13 23:01:11,290 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2022-07-13 23:01:11,290 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2022-07-13 23:01:11,290 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2022-07-13 23:01:11,290 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2022-07-13 23:01:11,291 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2022-07-13 23:01:11,359 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 23:01:11,389 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 23:01:11,389 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-13 23:01:11,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:01:11 BoogieIcfgContainer [2022-07-13 23:01:11,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 23:01:11,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 23:01:11,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 23:01:11,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 23:01:11,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:00:42" (1/3) ... [2022-07-13 23:01:11,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7977c3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:01:11, skipping insertion in model container [2022-07-13 23:01:11,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:00:44" (2/3) ... [2022-07-13 23:01:11,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7977c3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:01:11, skipping insertion in model container [2022-07-13 23:01:11,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:01:11" (3/3) ... [2022-07-13 23:01:11,401 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2022-07-13 23:01:11,415 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 23:01:11,415 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 23:01:11,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 23:01:11,514 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@701836d7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7eb310f4 [2022-07-13 23:01:11,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 23:01:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) [2022-07-13 23:01:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-13 23:01:11,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:11,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:01:11,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:11,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:11,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2022-07-13 23:01:11,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:01:11,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176653957] [2022-07-13 23:01:11,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:11,551 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:01:11,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:01:11,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:01:11,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 23:01:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:12,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:01:12,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:01:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 23:01:12,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:01:12,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:01:12,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [176653957] [2022-07-13 23:01:12,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [176653957] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:12,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:12,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 23:01:12,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575575505] [2022-07-13 23:01:12,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:12,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:01:12,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:01:12,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:01:12,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:01:12,532 INFO L87 Difference]: Start difference. First operand has 1432 states, 1013 states have (on average 1.3534057255676208) internal successors, (1371), 1048 states have internal predecessors, (1371), 326 states have call successors, (326), 93 states have call predecessors, (326), 93 states have return successors, (326), 318 states have call predecessors, (326), 326 states have call successors, (326) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:01:12,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:12,810 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2022-07-13 23:01:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:01:12,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-07-13 23:01:12,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:12,850 INFO L225 Difference]: With dead ends: 4250 [2022-07-13 23:01:12,850 INFO L226 Difference]: Without dead ends: 2804 [2022-07-13 23:01:12,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:01:12,869 INFO L413 NwaCegarLoop]: 2349 mSDtfsCounter, 1978 mSDsluCounter, 1956 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 4305 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:12,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 4305 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 23:01:12,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2022-07-13 23:01:13,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2022-07-13 23:01:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3291139240506329) internal successors, (2625), 2042 states have internal predecessors, (2625), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2022-07-13 23:01:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2022-07-13 23:01:13,101 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2022-07-13 23:01:13,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:13,101 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2022-07-13 23:01:13,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 23:01:13,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2022-07-13 23:01:13,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-13 23:01:13,111 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:13,111 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:01:13,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-13 23:01:13,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:01:13,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:13,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:13,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2022-07-13 23:01:13,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:01:13,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25022123] [2022-07-13 23:01:13,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:13,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:01:13,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:01:13,336 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:01:13,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-13 23:01:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:14,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 23:01:14,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:01:14,404 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-13 23:01:14,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:01:14,404 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:01:14,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25022123] [2022-07-13 23:01:14,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25022123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:14,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:14,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 23:01:14,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598645429] [2022-07-13 23:01:14,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:14,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 23:01:14,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:01:14,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 23:01:14,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 23:01:14,408 INFO L87 Difference]: Start difference. First operand 2801 states and 3908 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-13 23:01:14,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:14,668 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2022-07-13 23:01:14,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:01:14,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 74 [2022-07-13 23:01:14,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:14,685 INFO L225 Difference]: With dead ends: 5578 [2022-07-13 23:01:14,685 INFO L226 Difference]: Without dead ends: 2801 [2022-07-13 23:01:14,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-13 23:01:14,700 INFO L413 NwaCegarLoop]: 1981 mSDtfsCounter, 3 mSDsluCounter, 5931 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7912 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:14,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7912 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:01:14,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2022-07-13 23:01:14,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2022-07-13 23:01:14,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2801 states, 1975 states have (on average 1.3281012658227849) internal successors, (2623), 2040 states have internal predecessors, (2623), 641 states have call successors, (641), 185 states have call predecessors, (641), 184 states have return successors, (642), 623 states have call predecessors, (642), 639 states have call successors, (642) [2022-07-13 23:01:14,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2022-07-13 23:01:14,894 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2022-07-13 23:01:14,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:14,895 INFO L495 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2022-07-13 23:01:14,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-13 23:01:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2022-07-13 23:01:14,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-13 23:01:14,902 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:14,903 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:01:14,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-13 23:01:15,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:01:15,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:15,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:15,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2022-07-13 23:01:15,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:01:15,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805239646] [2022-07-13 23:01:15,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:15,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:01:15,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:01:15,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:01:15,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-13 23:01:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:16,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 23:01:16,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:01:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-13 23:01:16,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:01:16,305 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:01:16,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805239646] [2022-07-13 23:01:16,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805239646] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:16,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:16,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 23:01:16,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015868265] [2022-07-13 23:01:16,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:16,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 23:01:16,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:01:16,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 23:01:16,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:01:16,308 INFO L87 Difference]: Start difference. First operand 2801 states and 3906 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-13 23:01:16,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:01:16,541 INFO L93 Difference]: Finished difference Result 6586 states and 9372 transitions. [2022-07-13 23:01:16,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 23:01:16,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2022-07-13 23:01:16,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:01:16,565 INFO L225 Difference]: With dead ends: 6586 [2022-07-13 23:01:16,565 INFO L226 Difference]: Without dead ends: 3812 [2022-07-13 23:01:16,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 23:01:16,579 INFO L413 NwaCegarLoop]: 2334 mSDtfsCounter, 502 mSDsluCounter, 1997 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 23:01:16,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [655 Valid, 4331 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 23:01:16,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2022-07-13 23:01:16,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3796. [2022-07-13 23:01:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3796 states, 2682 states have (on average 1.3434004474272931) internal successors, (3603), 2761 states have internal predecessors, (3603), 929 states have call successors, (929), 185 states have call predecessors, (929), 184 states have return successors, (933), 909 states have call predecessors, (933), 927 states have call successors, (933) [2022-07-13 23:01:16,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5465 transitions. [2022-07-13 23:01:16,731 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5465 transitions. Word has length 89 [2022-07-13 23:01:16,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:01:16,731 INFO L495 AbstractCegarLoop]: Abstraction has 3796 states and 5465 transitions. [2022-07-13 23:01:16,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-13 23:01:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5465 transitions. [2022-07-13 23:01:16,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-13 23:01:16,738 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:01:16,738 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:01:16,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-13 23:01:16,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:01:16,959 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:01:16,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:01:16,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1606886577, now seen corresponding path program 1 times [2022-07-13 23:01:16,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:01:16,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092853089] [2022-07-13 23:01:16,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:01:16,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:01:16,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:01:16,964 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:01:16,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-13 23:01:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 23:01:18,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 23:01:18,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 23:01:18,258 INFO L356 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2022-07-13 23:01:18,261 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 20 [2022-07-13 23:01:23,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-13 23:01:23,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 23:01:23,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 23:01:23,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092853089] [2022-07-13 23:01:23,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2092853089] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 23:01:23,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 23:01:23,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 23:01:23,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536961758] [2022-07-13 23:01:23,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 23:01:23,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 23:01:23,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 23:01:23,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 23:01:23,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=11, Unknown=2, NotChecked=0, Total=20 [2022-07-13 23:01:23,545 INFO L87 Difference]: Start difference. First operand 3796 states and 5465 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-13 23:01:28,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:31,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:33,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:35,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:37,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:40,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:42,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:45,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:47,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:50,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:57,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:01:59,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-13 23:02:00,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 23:02:00,022 INFO L93 Difference]: Finished difference Result 7578 states and 10952 transitions. [2022-07-13 23:02:00,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 23:02:00,027 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 106 [2022-07-13 23:02:00,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 23:02:00,049 INFO L225 Difference]: With dead ends: 7578 [2022-07-13 23:02:00,049 INFO L226 Difference]: Without dead ends: 3810 [2022-07-13 23:02:00,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2022-07-13 23:02:00,065 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 4 mSDsluCounter, 5507 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7489 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2022-07-13 23:02:00,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7489 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 431 Invalid, 9 Unknown, 10 Unchecked, 34.2s Time] [2022-07-13 23:02:00,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3810 states. [2022-07-13 23:02:00,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3810 to 3804. [2022-07-13 23:02:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3804 states, 2688 states have (on average 1.3433779761904763) internal successors, (3611), 2767 states have internal predecessors, (3611), 931 states have call successors, (931), 185 states have call predecessors, (931), 184 states have return successors, (935), 911 states have call predecessors, (935), 929 states have call successors, (935) [2022-07-13 23:02:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3804 states and 5477 transitions. [2022-07-13 23:02:00,206 INFO L78 Accepts]: Start accepts. Automaton has 3804 states and 5477 transitions. Word has length 106 [2022-07-13 23:02:00,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 23:02:00,207 INFO L495 AbstractCegarLoop]: Abstraction has 3804 states and 5477 transitions. [2022-07-13 23:02:00,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-13 23:02:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 3804 states and 5477 transitions. [2022-07-13 23:02:00,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-13 23:02:00,217 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 23:02:00,218 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 23:02:00,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-13 23:02:00,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:02:00,436 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 23:02:00,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 23:02:00,437 INFO L85 PathProgramCache]: Analyzing trace with hash -329013054, now seen corresponding path program 1 times [2022-07-13 23:02:00,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 23:02:00,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005900746] [2022-07-13 23:02:00,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 23:02:00,438 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 23:02:00,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 23:02:00,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 23:02:00,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-13 23:02:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:02:22,115 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 23:02:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 23:02:37,127 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-13 23:02:37,127 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 23:02:37,128 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 23:02:37,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-13 23:02:37,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 23:02:37,346 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-07-13 23:02:37,348 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 23:02:37,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:02:37 BoogieIcfgContainer [2022-07-13 23:02:37,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 23:02:37,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 23:02:37,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 23:02:37,529 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 23:02:37,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:01:11" (3/4) ... [2022-07-13 23:02:37,533 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 23:02:37,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 23:02:37,534 INFO L158 Benchmark]: Toolchain (without parser) took 115514.18ms. Allocated memory was 56.6MB in the beginning and 520.1MB in the end (delta: 463.5MB). Free memory was 21.4MB in the beginning and 205.9MB in the end (delta: -184.5MB). Peak memory consumption was 279.2MB. Max. memory is 16.1GB. [2022-07-13 23:02:37,535 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 23:02:37,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2877.61ms. Allocated memory was 56.6MB in the beginning and 182.5MB in the end (delta: 125.8MB). Free memory was 21.2MB in the beginning and 111.2MB in the end (delta: -90.0MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2022-07-13 23:02:37,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 233.36ms. Allocated memory is still 182.5MB. Free memory was 111.2MB in the beginning and 88.2MB in the end (delta: 23.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-13 23:02:37,535 INFO L158 Benchmark]: Boogie Preprocessor took 238.71ms. Allocated memory is still 182.5MB. Free memory was 88.2MB in the beginning and 106.0MB in the end (delta: -17.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2022-07-13 23:02:37,536 INFO L158 Benchmark]: RCFGBuilder took 26020.65ms. Allocated memory was 182.5MB in the beginning and 364.9MB in the end (delta: 182.5MB). Free memory was 106.0MB in the beginning and 221.5MB in the end (delta: -115.5MB). Peak memory consumption was 145.9MB. Max. memory is 16.1GB. [2022-07-13 23:02:37,536 INFO L158 Benchmark]: TraceAbstraction took 86131.80ms. Allocated memory was 364.9MB in the beginning and 520.1MB in the end (delta: 155.2MB). Free memory was 220.5MB in the beginning and 207.0MB in the end (delta: 13.5MB). Peak memory consumption was 167.7MB. Max. memory is 16.1GB. [2022-07-13 23:02:37,537 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 520.1MB. Free memory was 207.0MB in the beginning and 205.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 23:02:37,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 29.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2877.61ms. Allocated memory was 56.6MB in the beginning and 182.5MB in the end (delta: 125.8MB). Free memory was 21.2MB in the beginning and 111.2MB in the end (delta: -90.0MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 233.36ms. Allocated memory is still 182.5MB. Free memory was 111.2MB in the beginning and 88.2MB in the end (delta: 23.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 238.71ms. Allocated memory is still 182.5MB. Free memory was 88.2MB in the beginning and 106.0MB in the end (delta: -17.9MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * RCFGBuilder took 26020.65ms. Allocated memory was 182.5MB in the beginning and 364.9MB in the end (delta: 182.5MB). Free memory was 106.0MB in the beginning and 221.5MB in the end (delta: -115.5MB). Peak memory consumption was 145.9MB. Max. memory is 16.1GB. * TraceAbstraction took 86131.80ms. Allocated memory was 364.9MB in the beginning and 520.1MB in the end (delta: 155.2MB). Free memory was 220.5MB in the beginning and 207.0MB in the end (delta: 13.5MB). Peak memory consumption was 167.7MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 520.1MB. Free memory was 207.0MB in the beginning and 205.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [\old(major)=108, \result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, fops={66:0}, fops={66:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, major=108, mp_protocol_compress=1, name={18:0}, name={18:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={20:0}, arg1={20:0}, arg2={111:0}, arg2={111:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [__key={111:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [\result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={111:0}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [\result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___1=2147483648] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967282, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6804] COND TRUE cmd == 1074033724U [L6806] err = -22 VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6807] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6809] EXPR pf->kind VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, pf->kind=-2147483647, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6809] COND FALSE !((unsigned int )pf->kind == 1U) [L6821] CALL, EXPR atomic_long_read(& file->f_count) VAL [__this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5267] atomic64_t *v ; [L5268] long tmp ; [L5271] v = l [L5272] CALL, EXPR atomic64_read((atomic64_t const *)v) [L5263] EXPR v->counter [L5263] return ((long )*((long volatile *)(& v->counter))); [L5272] RET, EXPR atomic64_read((atomic64_t const *)v) [L5272] tmp = atomic64_read((atomic64_t const *)v) [L5274] return (tmp); VAL [\result=0, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, l={0:-9223372036846387365}, l={0:-9223372036846387365}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, v={0:-9223372036846387365}] [L6821] RET, EXPR atomic_long_read(& file->f_count) VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, atomic_long_read(& file->f_count)=0, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6821] tmp___2 = atomic_long_read(& file->f_count) [L6823] COND TRUE tmp___2 <= 2L VAL [\old(arg)=71, \old(cmd)=1074033724, __this_module={0:0}, arg=71, argp={0:71}, channel_count={62:0}, cmd=1074033724, code={111:0}, code___0={-4611686018427387843:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=4294967274, file={0:-9223372036846387477}, file={0:-9223372036846387477}, idle={77:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775747:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:71}, pf={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp___2=0] [L6825] CALL ppp_release((struct inode *)0, file) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}] [L6335] struct ppp_file *pf ; [L6336] struct ppp *ppp ; [L6337] struct ppp_file const *__mptr ; [L6338] struct ppp_file const *__mptr___0 ; [L6339] struct ppp_file const *__mptr___1 ; [L6340] int tmp ; [L6342] EXPR file->private_data [L6342] pf = (struct ppp_file *)file->private_data [L6343] COND TRUE (unsigned long )pf != (unsigned long )((struct ppp_file *)0) [L6344] file->private_data = (void *)0 [L6345] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, pf->kind=1, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}, unused={0:0}] [L6345] COND TRUE (unsigned int )pf->kind == 1U [L6346] __mptr = (struct ppp_file const *)pf [L6347] ppp = (struct ppp *)__mptr [L6348] EXPR ppp->owner VAL [\old(ldv_module_refcounter)=1, __mptr={0:-9223372036846387200}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp->owner={0:-9223363240761753600}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}, unused={0:0}] [L6348] COND FALSE !((unsigned long )ppp->owner == (unsigned long )file) [L6357] CALL, EXPR atomic_dec_and_test(& pf->refcnt) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, v={0:-9223372036846386936}] [L5253] unsigned char c ; [L5257] return ((unsigned int )c != 0U); VAL [\old(ldv_module_refcounter)=1, \result=1, __this_module={0:0}, c=2, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, v={0:-9223372036846386936}, v={0:-9223372036846386936}] [L6357] RET, EXPR atomic_dec_and_test(& pf->refcnt) VAL [\old(ldv_module_refcounter)=1, __mptr={0:-9223372036846387200}, __this_module={0:0}, atomic_dec_and_test(& pf->refcnt)=1, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}, unused={0:0}] [L6357] tmp = atomic_dec_and_test(& pf->refcnt) [L6359] COND TRUE tmp != 0 [L6360] EXPR pf->kind VAL [\old(ldv_module_refcounter)=1, __mptr={0:-9223372036846387200}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, pf->kind=1, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=1, unused={0:0}, unused={0:0}] [L6360] COND TRUE (int )((unsigned int )pf->kind) == 1 [L6369] __mptr___0 = (struct ppp_file const *)pf VAL [\old(ldv_module_refcounter)=1, __mptr={0:-9223372036846387200}, __mptr___0={0:-9223372036846387200}, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={0:-9223372036846387477}, file={0:-9223372036846387477}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=1, unused={0:0}, unused={0:0}] [L6370] CALL ppp_destroy_interface((struct ppp *)__mptr___0) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10292] FCALL atomic_dec(& ppp_unit_count) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10294] EXPR ppp->file.dead VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp->file.dead=-2147483648, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10294] COND FALSE !(ppp->file.dead == 0) [L10301] EXPR ppp->n_channels VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp->n_channels=0, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10301] COND FALSE !(ppp->n_channels != 0) [L10310] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xstate={551903297536:-9223372034707291648}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xstate={551903297536:-9223372034707291648}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xstate={551903297536:-9223372034707291648}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xcomp->comp_free={9223372036854775806:12}, xstate={551903297536:-9223372034707291648}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9974] RET (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={0:-9223372036846387200}, ppp={0:-9223372036846387200}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={0:4294967296}, rstate={0:262144}, xcomp={32768:0}, xcomp->comp_free={9223372036854775806:12}, xstate={551903297536:-9223372034707291648}] [L9975] EXPR xcomp->owner [L9975] CALL ldv_module_put_5(xcomp->owner) [L10926] CALL ldv_module_put(ldv_func_arg1) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854763520}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854763520}, module={0:-9223372036854763520}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854763520}, module={0:-9223372036854763520}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 94 procedures, 1432 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 85.9s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 37.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 2641 SdHoareTripleChecker+Valid, 34.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2487 mSDsluCounter, 24037 SdHoareTripleChecker+Invalid, 33.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 10 IncrementalHoareTripleChecker+Unchecked, 15391 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 473 IncrementalHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 8646 mSDtfsCounter, 473 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 268 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3804occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 4 MinimizatonAttempts, 25 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 23.3s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 277 ConstructedInterpolants, 1 QuantifiedInterpolants, 491 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3665 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-13 23:02:37,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample