./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 0f8a17c6 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 0.2.1-dev-0f8a17c [2021-11-16 21:58:33,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 21:58:33,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 21:58:33,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 21:58:33,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 21:58:33,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 21:58:33,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 21:58:33,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 21:58:33,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 21:58:33,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 21:58:33,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 21:58:33,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 21:58:33,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 21:58:33,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 21:58:33,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 21:58:33,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 21:58:33,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 21:58:33,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 21:58:33,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 21:58:33,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 21:58:33,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 21:58:33,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 21:58:33,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 21:58:33,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 21:58:33,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 21:58:33,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 21:58:33,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 21:58:33,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 21:58:33,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 21:58:33,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 21:58:33,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 21:58:33,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 21:58:33,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 21:58:33,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 21:58:33,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 21:58:33,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 21:58:33,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 21:58:33,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 21:58:33,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 21:58:33,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 21:58:33,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 21:58:33,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-16 21:58:33,252 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 21:58:33,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 21:58:33,260 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 21:58:33,260 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 21:58:33,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 21:58:33,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 21:58:33,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 21:58:33,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 21:58:33,263 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 21:58:33,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 21:58:33,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-16 21:58:33,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 21:58:33,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 21:58:33,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 21:58:33,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 21:58:33,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 21:58:33,264 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 21:58:33,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 21:58:33,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 21:58:33,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 21:58:33,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 21:58:33,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:58:33,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 21:58:33,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 21:58:33,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 21:58:33,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-16 21:58:33,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-16 21:58:33,266 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 21:58:33,266 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 21:58:33,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 21:58:33,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 21:58:33,266 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-16 21:58:33,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 21:58:33,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 21:58:33,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 21:58:33,471 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 21:58:33,473 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 21:58:33,477 INFO L432 ainManager$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 [2021-11-16 21:58:33,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14a94f377/fa2aaad57dfe402dad55dcd85cc6ad03/FLAG0f30bb0d0 [2021-11-16 21:58:34,164 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 21:58:34,165 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 [2021-11-16 21:58:34,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14a94f377/fa2aaad57dfe402dad55dcd85cc6ad03/FLAG0f30bb0d0 [2021-11-16 21:58:34,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14a94f377/fa2aaad57dfe402dad55dcd85cc6ad03 [2021-11-16 21:58:34,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 21:58:34,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 21:58:34,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 21:58:34,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 21:58:34,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 21:58:34,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:58:34" (1/1) ... [2021-11-16 21:58:34,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@516e19d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:34, skipping insertion in model container [2021-11-16 21:58:34,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:58:34" (1/1) ... [2021-11-16 21:58:34,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 21:58:34,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 21:58:35,749 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] [2021-11-16 21:58:35,788 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:58:35,814 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 21:58:36,092 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] [2021-11-16 21:58:36,101 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:58:36,328 INFO L208 MainTranslator]: Completed translation [2021-11-16 21:58:36,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36 WrapperNode [2021-11-16 21:58:36,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 21:58:36,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 21:58:36,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 21:58:36,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 21:58:36,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36" (1/1) ... [2021-11-16 21:58:36,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36" (1/1) ... [2021-11-16 21:58:36,517 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4202 [2021-11-16 21:58:36,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 21:58:36,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 21:58:36,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 21:58:36,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 21:58:36,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36" (1/1) ... [2021-11-16 21:58:36,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36" (1/1) ... [2021-11-16 21:58:36,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36" (1/1) ... [2021-11-16 21:58:36,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36" (1/1) ... [2021-11-16 21:58:36,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36" (1/1) ... [2021-11-16 21:58:36,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36" (1/1) ... [2021-11-16 21:58:36,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36" (1/1) ... [2021-11-16 21:58:36,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 21:58:36,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 21:58:36,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 21:58:36,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 21:58:36,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36" (1/1) ... [2021-11-16 21:58:36,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:58:36,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:58:36,702 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) [2021-11-16 21:58:36,741 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 [2021-11-16 21:58:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-16 21:58:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-16 21:58:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-16 21:58:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-16 21:58:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-16 21:58:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-16 21:58:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-16 21:58:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-16 21:58:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-16 21:58:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-16 21:58:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-16 21:58:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-16 21:58:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-16 21:58:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-16 21:58:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-16 21:58:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-16 21:58:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-16 21:58:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-16 21:58:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-16 21:58:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-16 21:58:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-16 21:58:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-16 21:58:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-16 21:58:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-16 21:58:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-16 21:58:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-16 21:58:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-16 21:58:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-16 21:58:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-16 21:58:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-16 21:58:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-16 21:58:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-16 21:58:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-16 21:58:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-16 21:58:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-16 21:58:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-16 21:58:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-16 21:58:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-16 21:58:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-16 21:58:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-16 21:58:36,773 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-16 21:58:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-16 21:58:36,773 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-16 21:58:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-16 21:58:36,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-16 21:58:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-16 21:58:36,773 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-16 21:58:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-16 21:58:36,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-16 21:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-16 21:58:36,774 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-16 21:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-16 21:58:36,774 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-16 21:58:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-16 21:58:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-16 21:58:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-16 21:58:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-16 21:58:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-16 21:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-16 21:58:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-16 21:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-16 21:58:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-16 21:58:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-16 21:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-11-16 21:58:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-11-16 21:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-16 21:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-16 21:58:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-16 21:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-16 21:58:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-16 21:58:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-16 21:58:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-16 21:58:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-16 21:58:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-16 21:58:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-16 21:58:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-16 21:58:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-16 21:58:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-16 21:58:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-16 21:58:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-16 21:58:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-16 21:58:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-16 21:58:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-16 21:58:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-16 21:58:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-16 21:58:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-16 21:58:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-16 21:58:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-16 21:58:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-16 21:58:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-16 21:58:36,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-16 21:58:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-11-16 21:58:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-11-16 21:58:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-16 21:58:36,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-16 21:58:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-16 21:58:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-16 21:58:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-16 21:58:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-16 21:58:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-16 21:58:36,782 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-16 21:58:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-16 21:58:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-16 21:58:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-16 21:58:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-16 21:58:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-16 21:58:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-16 21:58:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-16 21:58:36,783 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-16 21:58:36,783 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-16 21:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-16 21:58:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-16 21:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-16 21:58:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-16 21:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-16 21:58:36,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-16 21:58:36,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-16 21:58:36,785 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-16 21:58:36,785 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-16 21:58:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-16 21:58:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-16 21:58:36,787 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-16 21:58:36,787 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-16 21:58:36,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-16 21:58:36,789 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-16 21:58:36,789 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-16 21:58:36,790 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-16 21:58:36,790 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-16 21:58:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-16 21:58:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-16 21:58:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-16 21:58:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-16 21:58:36,794 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-16 21:58:36,794 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-16 21:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-16 21:58:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-16 21:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-16 21:58:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-16 21:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-16 21:58:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-16 21:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-16 21:58:36,795 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-16 21:58:36,795 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-16 21:58:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-16 21:58:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-16 21:58:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-16 21:58:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-16 21:58:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-16 21:58:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-16 21:58:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-16 21:58:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-16 21:58:36,796 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-16 21:58:36,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-16 21:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-16 21:58:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-16 21:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-16 21:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-16 21:58:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-16 21:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-16 21:58:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-16 21:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 21:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-16 21:58:36,797 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-16 21:58:36,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-16 21:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-16 21:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-16 21:58:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-16 21:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-16 21:58:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-16 21:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-16 21:58:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-16 21:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-16 21:58:36,798 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-16 21:58:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-16 21:58:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-16 21:58:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-16 21:58:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-16 21:58:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-16 21:58:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-16 21:58:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-16 21:58:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-16 21:58:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-16 21:58:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-16 21:58:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-16 21:58:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-16 21:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-16 21:58:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-16 21:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-16 21:58:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-16 21:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-16 21:58:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-16 21:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-16 21:58:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-16 21:58:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-11-16 21:58:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-11-16 21:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-16 21:58:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-16 21:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-11-16 21:58:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-11-16 21:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-16 21:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-16 21:58:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-16 21:58:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-16 21:58:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-16 21:58:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 21:58:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 21:58:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-16 21:58:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-16 21:58:36,802 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-16 21:58:36,802 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-16 21:58:37,354 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 21:58:37,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 21:58:37,688 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-16 21:58:37,688 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-16 21:58:38,127 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-16 21:58:38,129 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-16 21:58:38,130 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-16 21:58:38,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2021-11-16 21:58:38,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2021-11-16 21:58:38,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-11-16 21:58:38,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-11-16 21:58:38,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2021-11-16 21:58:38,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2021-11-16 21:58:38,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2021-11-16 21:58:38,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2021-11-16 21:58:38,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-11-16 21:58:38,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-11-16 21:58:38,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2021-11-16 21:58:38,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2021-11-16 21:58:38,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2021-11-16 21:58:38,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2021-11-16 21:58:38,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-11-16 21:58:38,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-11-16 21:58:38,532 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2021-11-16 21:58:38,532 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2021-11-16 21:58:38,532 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-11-16 21:58:38,532 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-11-16 21:58:38,532 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-11-16 21:58:38,532 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2021-11-16 21:58:38,532 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2021-11-16 21:58:38,532 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2021-11-16 21:58:38,532 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2021-11-16 21:58:38,533 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-11-16 21:58:38,533 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2021-11-16 21:58:38,533 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2021-11-16 21:58:38,533 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-11-16 21:58:38,533 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-11-16 21:58:38,533 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-11-16 21:58:38,533 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-11-16 21:58:38,628 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-16 21:58:38,632 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-16 21:58:39,222 INFO L768 $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 [2021-11-16 21:58:39,222 INFO L768 $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; [2021-11-16 21:58:39,222 INFO L768 $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; [2021-11-16 21:58:39,222 INFO L768 $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 [2021-11-16 21:58:39,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-11-16 21:58:39,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-11-16 21:58:39,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-11-16 21:58:39,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-11-16 21:58:39,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-11-16 21:58:39,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-11-16 21:58:39,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-11-16 21:58:39,222 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-11-16 21:58:39,283 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 21:58:39,300 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 21:58:39,300 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-16 21:58:39,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:58:39 BoogieIcfgContainer [2021-11-16 21:58:39,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 21:58:39,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 21:58:39,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 21:58:39,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 21:58:39,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:58:34" (1/3) ... [2021-11-16 21:58:39,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33201518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:58:39, skipping insertion in model container [2021-11-16 21:58:39,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:36" (2/3) ... [2021-11-16 21:58:39,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33201518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:58:39, skipping insertion in model container [2021-11-16 21:58:39,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:58:39" (3/3) ... [2021-11-16 21:58:39,310 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-16 21:58:39,316 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 21:58:39,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-16 21:58:39,360 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-16 21:58:39,367 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-16 21:58:39,368 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-16 21:58:39,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 1447 states, 1020 states have (on average 1.3519607843137256) internal successors, (1379), 1055 states have internal predecessors, (1379), 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) [2021-11-16 21:58:39,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-16 21:58:39,420 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:58:39,421 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:58:39,421 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:58:39,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:58:39,428 INFO L85 PathProgramCache]: Analyzing trace with hash 732442861, now seen corresponding path program 1 times [2021-11-16 21:58:39,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:58:39,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798693677] [2021-11-16 21:58:39,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:58:39,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:58:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 21:58:39,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:58:39,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798693677] [2021-11-16 21:58:39,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798693677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:58:39,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:58:39,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-16 21:58:39,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242457262] [2021-11-16 21:58:39,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:58:39,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 21:58:39,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:58:39,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 21:58:39,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 21:58:39,756 INFO L87 Difference]: Start difference. First operand has 1447 states, 1020 states have (on average 1.3519607843137256) internal successors, (1379), 1055 states have internal predecessors, (1379), 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) [2021-11-16 21:58:39,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:58:39,950 INFO L93 Difference]: Finished difference Result 4295 states and 6198 transitions. [2021-11-16 21:58:39,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 21:58:39,952 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 [2021-11-16 21:58:39,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:58:39,980 INFO L225 Difference]: With dead ends: 4295 [2021-11-16 21:58:39,980 INFO L226 Difference]: Without dead ends: 2834 [2021-11-16 21:58:39,992 INFO L932 BasicCegarLoop]: 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 [2021-11-16 21:58:39,995 INFO L933 BasicCegarLoop]: 2376 mSDtfsCounter, 1996 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 4353 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 [2021-11-16 21:58:39,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1996 Valid, 4353 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 21:58:40,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2021-11-16 21:58:40,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2831. [2021-11-16 21:58:40,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 1989 states have (on average 1.32780291603821) internal successors, (2641), 2056 states have internal predecessors, (2641), 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) [2021-11-16 21:58:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3947 transitions. [2021-11-16 21:58:40,201 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3947 transitions. Word has length 12 [2021-11-16 21:58:40,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:58:40,202 INFO L470 AbstractCegarLoop]: Abstraction has 2831 states and 3947 transitions. [2021-11-16 21:58:40,202 INFO L471 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) [2021-11-16 21:58:40,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3947 transitions. [2021-11-16 21:58:40,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-16 21:58:40,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:58:40,213 INFO L514 BasicCegarLoop]: 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] [2021-11-16 21:58:40,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-16 21:58:40,214 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:58:40,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:58:40,217 INFO L85 PathProgramCache]: Analyzing trace with hash -863962791, now seen corresponding path program 1 times [2021-11-16 21:58:40,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:58:40,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908740705] [2021-11-16 21:58:40,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:58:40,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:58:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-16 21:58:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-16 21:58:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-16 21:58:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:40,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-16 21:58:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:40,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-16 21:58:40,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-11-16 21:58:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:40,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-16 21:58:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-16 21:58:40,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:58:40,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908740705] [2021-11-16 21:58:40,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908740705] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:58:40,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:58:40,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 21:58:40,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318199209] [2021-11-16 21:58:40,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:58:40,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 21:58:40,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:58:40,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 21:58:40,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-16 21:58:40,389 INFO L87 Difference]: Start difference. First operand 2831 states and 3947 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 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) [2021-11-16 21:58:43,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:58:43,797 INFO L93 Difference]: Finished difference Result 6578 states and 9359 transitions. [2021-11-16 21:58:43,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-16 21:58:43,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 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 [2021-11-16 21:58:43,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:58:43,817 INFO L225 Difference]: With dead ends: 6578 [2021-11-16 21:58:43,817 INFO L226 Difference]: Without dead ends: 3773 [2021-11-16 21:58:43,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-16 21:58:43,833 INFO L933 BasicCegarLoop]: 1828 mSDtfsCounter, 1320 mSDsluCounter, 4786 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 6614 SdHoareTripleChecker+Invalid, 3331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-16 21:58:43,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1514 Valid, 6614 Invalid, 3331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 2807 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-16 21:58:43,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2021-11-16 21:58:43,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3390. [2021-11-16 21:58:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3390 states, 2432 states have (on average 1.3429276315789473) internal successors, (3266), 2503 states have internal predecessors, (3266), 767 states have call successors, (767), 191 states have call predecessors, (767), 190 states have return successors, (773), 749 states have call predecessors, (773), 765 states have call successors, (773) [2021-11-16 21:58:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4806 transitions. [2021-11-16 21:58:43,969 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4806 transitions. Word has length 74 [2021-11-16 21:58:43,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:58:43,969 INFO L470 AbstractCegarLoop]: Abstraction has 3390 states and 4806 transitions. [2021-11-16 21:58:43,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 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) [2021-11-16 21:58:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4806 transitions. [2021-11-16 21:58:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-16 21:58:43,977 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:58:43,977 INFO L514 BasicCegarLoop]: 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] [2021-11-16 21:58:43,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-16 21:58:43,977 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:58:43,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:58:43,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1191976461, now seen corresponding path program 1 times [2021-11-16 21:58:43,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:58:43,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134682871] [2021-11-16 21:58:43,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:58:43,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:58:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:44,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-16 21:58:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-16 21:58:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-16 21:58:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:44,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-16 21:58:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:44,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-16 21:58:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:44,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-16 21:58:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:44,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-16 21:58:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:44,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-16 21:58:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:44,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-16 21:58:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:58:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-16 21:58:44,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-16 21:58:44,234 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134682871] [2021-11-16 21:58:44,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134682871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-16 21:58:44,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:58:44,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-16 21:58:44,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950075686] [2021-11-16 21:58:44,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-16 21:58:44,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-16 21:58:44,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-16 21:58:44,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-16 21:58:44,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-16 21:58:44,236 INFO L87 Difference]: Start difference. First operand 3390 states and 4806 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) [2021-11-16 21:58:47,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:58:47,419 INFO L93 Difference]: Finished difference Result 7092 states and 10144 transitions. [2021-11-16 21:58:47,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-16 21:58:47,420 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 [2021-11-16 21:58:47,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:58:47,444 INFO L225 Difference]: With dead ends: 7092 [2021-11-16 21:58:47,444 INFO L226 Difference]: Without dead ends: 3726 [2021-11-16 21:58:47,457 INFO L932 BasicCegarLoop]: 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 [2021-11-16 21:58:47,462 INFO L933 BasicCegarLoop]: 1774 mSDtfsCounter, 721 mSDsluCounter, 5050 mSDsCounter, 0 mSdLazyCounter, 2536 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 6824 SdHoareTripleChecker+Invalid, 2910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 2536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-16 21:58:47,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [850 Valid, 6824 Invalid, 2910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 2536 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-16 21:58:47,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2021-11-16 21:58:47,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 3390. [2021-11-16 21:58:47,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3390 states, 2432 states have (on average 1.3421052631578947) internal successors, (3264), 2501 states have internal predecessors, (3264), 767 states have call successors, (767), 191 states have call predecessors, (767), 190 states have return successors, (773), 749 states have call predecessors, (773), 765 states have call successors, (773) [2021-11-16 21:58:47,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4804 transitions. [2021-11-16 21:58:47,556 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4804 transitions. Word has length 92 [2021-11-16 21:58:47,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:58:47,556 INFO L470 AbstractCegarLoop]: Abstraction has 3390 states and 4804 transitions. [2021-11-16 21:58:47,557 INFO L471 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) [2021-11-16 21:58:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4804 transitions. [2021-11-16 21:58:47,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-16 21:58:47,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:58:47,562 INFO L514 BasicCegarLoop]: 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] [2021-11-16 21:58:47,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-16 21:58:47,565 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:58:47,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:58:47,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1457908739, now seen corresponding path program 1 times [2021-11-16 21:58:47,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-16 21:58:47,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831113774] [2021-11-16 21:58:47,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:58:47,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-16 21:58:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-16 21:58:47,776 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-16 21:58:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-16 21:58:48,033 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-16 21:58:48,033 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-16 21:58:48,034 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-16 21:58:48,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-16 21:58:48,037 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-16 21:58:48,039 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-16 21:58:48,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 09:58:48 BoogieIcfgContainer [2021-11-16 21:58:48,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-16 21:58:48,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-16 21:58:48,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-16 21:58:48,163 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-16 21:58:48,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:58:39" (3/4) ... [2021-11-16 21:58:48,166 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-16 21:58:48,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-16 21:58:48,166 INFO L158 Benchmark]: Toolchain (without parser) took 13606.84ms. Allocated memory was 102.8MB in the beginning and 486.5MB in the end (delta: 383.8MB). Free memory was 76.9MB in the beginning and 327.7MB in the end (delta: -250.8MB). Peak memory consumption was 132.3MB. Max. memory is 16.1GB. [2021-11-16 21:58:48,167 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-16 21:58:48,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1767.29ms. Allocated memory was 102.8MB in the beginning and 178.3MB in the end (delta: 75.5MB). Free memory was 76.8MB in the beginning and 109.1MB in the end (delta: -32.3MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2021-11-16 21:58:48,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.71ms. Allocated memory is still 178.3MB. Free memory was 109.1MB in the beginning and 85.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-16 21:58:48,167 INFO L158 Benchmark]: Boogie Preprocessor took 158.89ms. Allocated memory is still 178.3MB. Free memory was 85.0MB in the beginning and 60.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-16 21:58:48,168 INFO L158 Benchmark]: RCFGBuilder took 2625.62ms. Allocated memory was 178.3MB in the beginning and 299.9MB in the end (delta: 121.6MB). Free memory was 60.9MB in the beginning and 209.3MB in the end (delta: -148.4MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2021-11-16 21:58:48,168 INFO L158 Benchmark]: TraceAbstraction took 8857.59ms. Allocated memory was 299.9MB in the beginning and 486.5MB in the end (delta: 186.6MB). Free memory was 209.3MB in the beginning and 327.7MB in the end (delta: -118.4MB). Peak memory consumption was 262.2MB. Max. memory is 16.1GB. [2021-11-16 21:58:48,168 INFO L158 Benchmark]: Witness Printer took 2.67ms. Allocated memory is still 486.5MB. Free memory is still 327.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-16 21:58:48,170 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1767.29ms. Allocated memory was 102.8MB in the beginning and 178.3MB in the end (delta: 75.5MB). Free memory was 76.8MB in the beginning and 109.1MB in the end (delta: -32.3MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.71ms. Allocated memory is still 178.3MB. Free memory was 109.1MB in the beginning and 85.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.89ms. Allocated memory is still 178.3MB. Free memory was 85.0MB in the beginning and 60.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2625.62ms. Allocated memory was 178.3MB in the beginning and 299.9MB in the end (delta: 121.6MB). Free memory was 60.9MB in the beginning and 209.3MB in the end (delta: -148.4MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8857.59ms. Allocated memory was 299.9MB in the beginning and 486.5MB in the end (delta: 186.6MB). Free memory was 209.3MB in the beginning and 327.7MB in the end (delta: -118.4MB). Peak memory consumption was 262.2MB. Max. memory is 16.1GB. * Witness Printer took 2.67ms. Allocated memory is still 486.5MB. Free memory is still 327.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167, overapproximation of bitwiseOr at line 7938, overapproximation of bitwiseAnd at line 7939. 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={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, fops={63:0}, fops={63:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, major=108, mp_protocol_compress=1, name={18:0}, name={18:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, 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={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={18446744073709551628:18446744073709551630}, arg0={18446744073709551628:18446744073709551630}, arg0={18446744073709551628:18446744073709551630}, arg1={20:0}, arg1={20:0}, arg2={79:0}, arg2={79:0}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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={79:0}, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [\result=0, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={79:0}, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, 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={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, tmp=0, tmp___1=1] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, tmp=0, tmp___0=5, tmp___1=1] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, tmp=0, tmp___0=5, tmp___1=1] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, tmp=0, tmp___0=5, tmp___1=1] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, tmp=0, tmp___0=5, tmp___1=1] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, tmp=0, tmp___0=5, tmp___1=1] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, 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, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={83:0}, code___0={84:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-2}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={83:0}, code___0={84:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-2}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={83:0}, code___0={84:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-2}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={305:-304}, pf->kind=4294967298, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={83:0}, code___0={84:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-2}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={83:0}, code___0={84:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-2}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L6846] COND FALSE !((int )cmd == 1074033722) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={83:0}, code___0={84:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-2}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L6849] COND FALSE !((int )cmd == 29753) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={83:0}, code___0={84:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551654:-2}, file={18446744073709551654:-2}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, channel_count={74:0}, cmd=1074033753, code={83:0}, code___0={84:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-25, file={18446744073709551654:-2}, file={18446744073709551654:-2}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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={-84:85}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551635:0}, channel_count={74:0}, cmd=1074033753, code={83:0}, code___0={84:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-25, file={18446744073709551654:-2}, file={18446744073709551654:-2}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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={-84:85}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={305:-304}, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, chan={18446744073709551617:0}, chan->ops={18446744073709551635:0}, channel_count={74:0}, cmd=1074033753, code={83:0}, code___0={84:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-25, file={18446744073709551654:-2}, file={18446744073709551654:-2}, idle={82:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={81:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pch={305:-304}, pf={305:-304}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L6904] CALL (*((chan->ops)->ioctl))(chan, cmd, arg) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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, __mptr___1={377:-376}, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L7014] FCALL might_fault() VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551628:18446744073709551630}, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, val=-3] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, val=-3] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, val=-3] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, val=-3] [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, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, cflags=-4, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, val=-3] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, cflags=-4, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, val=-3] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, cflags=-4, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, val=-3] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __ret_gu___1=0, __this_module={18446744073709551628:18446744073709551630}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, cflags=-4, channel_count={74:0}, cmd=1074033753, code={90:0}, code___0={61:0}, compressor_list={77:0}, compressor_list_lock={78:0}, err=-14, file={18446744073709551617:0}, file={18446744073709551617:0}, idle={89:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={86:0}, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, val=-3] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, rcomp={18446744073709551651:18446744073709551637}, rstate={18446744073709551648:18446744073709551643}, xcomp={-18446744073709551615:93}, xstate={-18446744073709551615:0}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, rcomp={18446744073709551651:18446744073709551637}, rstate={18446744073709551648:18446744073709551643}, xcomp={-18446744073709551615:93}, xstate={-18446744073709551615:0}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, rcomp={18446744073709551651:18446744073709551637}, rstate={18446744073709551648:18446744073709551643}, xcomp={-18446744073709551615:93}, xstate={-18446744073709551615:0}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, rcomp={18446744073709551651:18446744073709551637}, rstate={18446744073709551648:18446744073709551643}, xcomp={-18446744073709551615:93}, xcomp->comp_free={-1:12}, xstate={-18446744073709551615:0}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [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={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}, rcomp={18446744073709551651:18446744073709551637}, rstate={18446744073709551648:18446744073709551643}, xcomp={-18446744073709551615:93}, xcomp->comp_free={-1:12}, xstate={-18446744073709551615:0}] [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={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={92:-91}, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={92:-91}, module={92:-91}, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={92:-91}, module={92:-91}, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={18446744073709551628:18446744073709551630}, channel_count={74:0}, compressor_list={77:0}, compressor_list_lock={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={69:0}, npindex_to_proto={67:0}, ppp_class={0:0}, ppp_device_fops={63:0}, ppp_mutex={66:0}, ppp_net_id={73:0}, ppp_net_ops={75:0}, ppp_netdev_ops={70:0}, ppp_unit_count={71:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 1447 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4360 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4037 mSDsluCounter, 17791 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11813 mSDsCounter, 900 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5351 IncrementalHoareTripleChecker+Invalid, 6251 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 900 mSolverCounterUnsat, 5978 mSDtfsCounter, 5351 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3390occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 3 MinimizatonAttempts, 722 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 267 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 [2021-11-16 21:58:48,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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 0.2.1-dev-0f8a17c [2021-11-16 21:58:49,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-16 21:58:49,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-16 21:58:49,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-16 21:58:49,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-16 21:58:49,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-16 21:58:49,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-16 21:58:49,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-16 21:58:49,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-16 21:58:49,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-16 21:58:49,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-16 21:58:49,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-16 21:58:49,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-16 21:58:49,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-16 21:58:49,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-16 21:58:49,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-16 21:58:49,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-16 21:58:49,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-16 21:58:49,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-16 21:58:49,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-16 21:58:49,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-16 21:58:49,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-16 21:58:49,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-16 21:58:49,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-16 21:58:49,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-16 21:58:49,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-16 21:58:49,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-16 21:58:49,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-16 21:58:49,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-16 21:58:49,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-16 21:58:49,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-16 21:58:49,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-16 21:58:49,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-16 21:58:49,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-16 21:58:49,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-16 21:58:49,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-16 21:58:49,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-16 21:58:49,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-16 21:58:49,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-16 21:58:49,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-16 21:58:49,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-16 21:58:49,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-16 21:58:49,928 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-16 21:58:49,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-16 21:58:49,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-16 21:58:49,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-16 21:58:49,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-16 21:58:49,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-16 21:58:49,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-16 21:58:49,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-16 21:58:49,930 INFO L138 SettingsManager]: * Use SBE=true [2021-11-16 21:58:49,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-16 21:58:49,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-16 21:58:49,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-16 21:58:49,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-16 21:58:49,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-16 21:58:49,930 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-16 21:58:49,931 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-16 21:58:49,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-16 21:58:49,931 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-16 21:58:49,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-16 21:58:49,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-16 21:58:49,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-16 21:58:49,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-16 21:58:49,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:58:49,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-16 21:58:49,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-16 21:58:49,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-16 21:58:49,938 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-16 21:58:49,938 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-16 21:58:49,938 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-16 21:58:49,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-16 21:58:49,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-16 21:58:49,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-16 21:58:49,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-16 21:58:49,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-11-16 21:58:50,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-16 21:58:50,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-16 21:58:50,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-16 21:58:50,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-16 21:58:50,182 INFO L275 PluginConnector]: CDTParser initialized [2021-11-16 21:58:50,183 INFO L432 ainManager$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 [2021-11-16 21:58:50,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00908d76b/a9218da3d29a44aeb00a0162d2da7a78/FLAG1d66cadfd [2021-11-16 21:58:50,779 INFO L306 CDTParser]: Found 1 translation units. [2021-11-16 21:58:50,780 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 [2021-11-16 21:58:50,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00908d76b/a9218da3d29a44aeb00a0162d2da7a78/FLAG1d66cadfd [2021-11-16 21:58:50,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00908d76b/a9218da3d29a44aeb00a0162d2da7a78 [2021-11-16 21:58:50,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-16 21:58:50,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-16 21:58:50,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-16 21:58:50,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-16 21:58:50,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-16 21:58:50,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:58:50" (1/1) ... [2021-11-16 21:58:50,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266d2f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:50, skipping insertion in model container [2021-11-16 21:58:50,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:58:50" (1/1) ... [2021-11-16 21:58:50,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-16 21:58:51,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-16 21:58:52,542 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] [2021-11-16 21:58:52,580 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:58:52,617 INFO L203 MainTranslator]: Completed pre-run [2021-11-16 21:58:52,894 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] [2021-11-16 21:58:52,901 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-16 21:58:53,061 INFO L208 MainTranslator]: Completed translation [2021-11-16 21:58:53,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53 WrapperNode [2021-11-16 21:58:53,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-16 21:58:53,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-16 21:58:53,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-16 21:58:53,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-16 21:58:53,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53" (1/1) ... [2021-11-16 21:58:53,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53" (1/1) ... [2021-11-16 21:58:53,268 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4111 [2021-11-16 21:58:53,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-16 21:58:53,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-16 21:58:53,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-16 21:58:53,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-16 21:58:53,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53" (1/1) ... [2021-11-16 21:58:53,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53" (1/1) ... [2021-11-16 21:58:53,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53" (1/1) ... [2021-11-16 21:58:53,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53" (1/1) ... [2021-11-16 21:58:53,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53" (1/1) ... [2021-11-16 21:58:53,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53" (1/1) ... [2021-11-16 21:58:53,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53" (1/1) ... [2021-11-16 21:58:53,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-16 21:58:53,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-16 21:58:53,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-16 21:58:53,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-16 21:58:53,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53" (1/1) ... [2021-11-16 21:58:53,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-16 21:58:53,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-16 21:58:53,463 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) [2021-11-16 21:58:53,508 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 [2021-11-16 21:58:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-11-16 21:58:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-11-16 21:58:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-16 21:58:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-16 21:58:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-16 21:58:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-16 21:58:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-16 21:58:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-16 21:58:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-16 21:58:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-16 21:58:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-16 21:58:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-16 21:58:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-16 21:58:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-16 21:58:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-16 21:58:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-16 21:58:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-16 21:58:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-16 21:58:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-16 21:58:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-16 21:58:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-16 21:58:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-11-16 21:58:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-11-16 21:58:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-11-16 21:58:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-11-16 21:58:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-11-16 21:58:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-11-16 21:58:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-16 21:58:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-16 21:58:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-16 21:58:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-16 21:58:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-16 21:58:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-16 21:58:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-16 21:58:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-16 21:58:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-16 21:58:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-16 21:58:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-16 21:58:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-16 21:58:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-16 21:58:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-11-16 21:58:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-11-16 21:58:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-11-16 21:58:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-11-16 21:58:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-11-16 21:58:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-16 21:58:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-16 21:58:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-16 21:58:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-16 21:58:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-16 21:58:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-16 21:58:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-16 21:58:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-16 21:58:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-16 21:58:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-16 21:58:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-16 21:58:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-16 21:58:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-11-16 21:58:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-11-16 21:58:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-16 21:58:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-16 21:58:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-11-16 21:58:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-11-16 21:58:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-11-16 21:58:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-11-16 21:58:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-11-16 21:58:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-11-16 21:58:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-11-16 21:58:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-11-16 21:58:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-16 21:58:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-16 21:58:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-16 21:58:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-16 21:58:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-16 21:58:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-16 21:58:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-16 21:58:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-16 21:58:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-16 21:58:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-16 21:58:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-16 21:58:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-16 21:58:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-16 21:58:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-16 21:58:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-16 21:58:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-16 21:58:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-16 21:58:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-16 21:58:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-11-16 21:58:53,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-11-16 21:58:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-16 21:58:53,540 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-16 21:58:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-16 21:58:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-16 21:58:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-16 21:58:53,540 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-16 21:58:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-16 21:58:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-16 21:58:53,541 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-16 21:58:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-16 21:58:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-16 21:58:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-11-16 21:58:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-11-16 21:58:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-11-16 21:58:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-11-16 21:58:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-16 21:58:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-16 21:58:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-16 21:58:53,542 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-16 21:58:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-16 21:58:53,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-16 21:58:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-11-16 21:58:53,543 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-11-16 21:58:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-11-16 21:58:53,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-11-16 21:58:53,543 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-16 21:58:53,544 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-16 21:58:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-16 21:58:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-16 21:58:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-16 21:58:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-16 21:58:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-11-16 21:58:53,547 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-11-16 21:58:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-16 21:58:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-16 21:58:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-11-16 21:58:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-11-16 21:58:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-16 21:58:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-16 21:58:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-16 21:58:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-16 21:58:53,552 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-11-16 21:58:53,552 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-11-16 21:58:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-16 21:58:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-16 21:58:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-16 21:58:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-16 21:58:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-11-16 21:58:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-11-16 21:58:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-11-16 21:58:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-11-16 21:58:53,553 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-11-16 21:58:53,553 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-11-16 21:58:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-11-16 21:58:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-11-16 21:58:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-11-16 21:58:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-11-16 21:58:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-16 21:58:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-16 21:58:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-11-16 21:58:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-11-16 21:58:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-16 21:58:53,554 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-16 21:58:53,554 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-16 21:58:53,555 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-16 21:58:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-16 21:58:53,555 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-16 21:58:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-16 21:58:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-11-16 21:58:53,555 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-11-16 21:58:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-16 21:58:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-16 21:58:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-16 21:58:53,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-16 21:58:53,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-16 21:58:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-11-16 21:58:53,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-11-16 21:58:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-11-16 21:58:53,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-11-16 21:58:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-16 21:58:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-16 21:58:53,556 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-16 21:58:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-16 21:58:53,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-16 21:58:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-16 21:58:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-16 21:58:53,557 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-16 21:58:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-16 21:58:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-16 21:58:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-16 21:58:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-16 21:58:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-16 21:58:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-11-16 21:58:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-16 21:58:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-16 21:58:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-16 21:58:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-16 21:58:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-11-16 21:58:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-11-16 21:58:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-16 21:58:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-16 21:58:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-11-16 21:58:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-11-16 21:58:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-11-16 21:58:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-11-16 21:58:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-16 21:58:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-11-16 21:58:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-11-16 21:58:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-16 21:58:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-16 21:58:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-16 21:58:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-16 21:58:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-16 21:58:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-16 21:58:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-16 21:58:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-16 21:58:54,134 INFO L236 CfgBuilder]: Building ICFG [2021-11-16 21:58:54,136 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-16 21:58:54,768 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-11-16 21:58:54,768 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-11-16 21:58:59,252 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-16 21:58:59,255 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-16 21:58:59,258 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-16 21:58:59,262 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-16 21:58:59,268 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-16 21:59:07,298 INFO L768 $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 [2021-11-16 21:59:07,299 INFO L768 $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; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2021-11-16 21:59:07,299 INFO L768 $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; [2021-11-16 21:59:07,299 INFO L768 $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 [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-11-16 21:59:07,299 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-11-16 21:59:07,300 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-11-16 21:59:07,301 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2021-11-16 21:59:07,301 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2021-11-16 21:59:07,301 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2021-11-16 21:59:07,301 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2021-11-16 21:59:07,301 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2021-11-16 21:59:07,334 INFO L277 CfgBuilder]: Performing block encoding [2021-11-16 21:59:07,346 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-16 21:59:07,347 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-16 21:59:07,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:59:07 BoogieIcfgContainer [2021-11-16 21:59:07,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-16 21:59:07,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-16 21:59:07,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-16 21:59:07,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-16 21:59:07,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 09:58:50" (1/3) ... [2021-11-16 21:59:07,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b88f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:59:07, skipping insertion in model container [2021-11-16 21:59:07,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:58:53" (2/3) ... [2021-11-16 21:59:07,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b88f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 09:59:07, skipping insertion in model container [2021-11-16 21:59:07,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:59:07" (3/3) ... [2021-11-16 21:59:07,354 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-11-16 21:59:07,357 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-16 21:59:07,357 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-16 21:59:07,415 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-16 21:59:07,421 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-16 21:59:07,421 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-16 21:59:07,460 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) [2021-11-16 21:59:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-16 21:59:07,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:59:07,464 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:59:07,465 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:59:07,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:59:07,472 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2021-11-16 21:59:07,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-16 21:59:07,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535360600] [2021-11-16 21:59:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:59:07,483 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-16 21:59:07,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-16 21:59:07,484 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) [2021-11-16 21:59:07,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-16 21:59:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:59:07,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-16 21:59:07,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:59:08,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 21:59:08,090 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 21:59:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-16 21:59:08,172 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-16 21:59:08,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535360600] [2021-11-16 21:59:08,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535360600] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-16 21:59:08,173 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:59:08,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-16 21:59:08,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599068367] [2021-11-16 21:59:08,174 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-16 21:59:08,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-16 21:59:08,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-16 21:59:08,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-16 21:59:08,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 21:59:08,197 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) [2021-11-16 21:59:08,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:59:08,389 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2021-11-16 21:59:08,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-16 21:59:08,391 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 [2021-11-16 21:59:08,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:59:08,416 INFO L225 Difference]: With dead ends: 4250 [2021-11-16 21:59:08,416 INFO L226 Difference]: Without dead ends: 2804 [2021-11-16 21:59:08,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-16 21:59:08,429 INFO L933 BasicCegarLoop]: 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 [2021-11-16 21:59:08,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1978 Valid, 4305 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 21:59:08,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2021-11-16 21:59:08,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2021-11-16 21:59:08,548 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) [2021-11-16 21:59:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2021-11-16 21:59:08,566 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2021-11-16 21:59:08,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:59:08,567 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2021-11-16 21:59:08,567 INFO L471 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) [2021-11-16 21:59:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2021-11-16 21:59:08,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-16 21:59:08,574 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:59:08,575 INFO L514 BasicCegarLoop]: 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] [2021-11-16 21:59:08,591 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-16 21:59:08,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-16 21:59:08,786 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:59:08,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:59:08,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2021-11-16 21:59:08,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-16 21:59:08,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363497535] [2021-11-16 21:59:08,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:59:08,788 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-16 21:59:08,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-16 21:59:08,789 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) [2021-11-16 21:59:08,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-16 21:59:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:59:09,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-16 21:59:09,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:59:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-16 21:59:09,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 21:59:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-16 21:59:09,859 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-16 21:59:09,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1363497535] [2021-11-16 21:59:09,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1363497535] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-16 21:59:09,860 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:59:09,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-16 21:59:09,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54703724] [2021-11-16 21:59:09,860 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-16 21:59:09,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-16 21:59:09,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-16 21:59:09,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-16 21:59:09,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-16 21:59:09,862 INFO L87 Difference]: Start difference. First operand 2801 states and 3908 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-16 21:59:10,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:59:10,020 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2021-11-16 21:59:10,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-16 21:59:10,021 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 74 [2021-11-16 21:59:10,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:59:10,033 INFO L225 Difference]: With dead ends: 5578 [2021-11-16 21:59:10,033 INFO L226 Difference]: Without dead ends: 2801 [2021-11-16 21:59:10,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-16 21:59:10,044 INFO L933 BasicCegarLoop]: 1981 mSDtfsCounter, 3 mSDsluCounter, 5931 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2021-11-16 21:59:10,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 7912 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-16 21:59:10,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2021-11-16 21:59:10,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2021-11-16 21:59:10,112 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) [2021-11-16 21:59:10,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2021-11-16 21:59:10,125 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2021-11-16 21:59:10,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:59:10,125 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2021-11-16 21:59:10,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-11-16 21:59:10,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2021-11-16 21:59:10,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-16 21:59:10,131 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:59:10,132 INFO L514 BasicCegarLoop]: 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] [2021-11-16 21:59:10,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-16 21:59:10,348 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-16 21:59:10,349 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:59:10,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:59:10,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2021-11-16 21:59:10,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-16 21:59:10,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1904072601] [2021-11-16 21:59:10,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:59:10,350 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-16 21:59:10,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-16 21:59:10,351 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) [2021-11-16 21:59:10,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-16 21:59:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-16 21:59:10,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-16 21:59:10,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-16 21:59:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-16 21:59:11,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-16 21:59:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-16 21:59:11,540 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-16 21:59:11,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1904072601] [2021-11-16 21:59:11,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1904072601] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-16 21:59:11,540 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-16 21:59:11,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-16 21:59:11,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307342181] [2021-11-16 21:59:11,541 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-16 21:59:11,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-16 21:59:11,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-16 21:59:11,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-16 21:59:11,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-16 21:59:11,541 INFO L87 Difference]: Start difference. First operand 2801 states and 3906 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-16 21:59:12,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-16 21:59:12,632 INFO L93 Difference]: Finished difference Result 7582 states and 10942 transitions. [2021-11-16 21:59:12,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-16 21:59:12,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 89 [2021-11-16 21:59:12,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-16 21:59:12,651 INFO L225 Difference]: With dead ends: 7582 [2021-11-16 21:59:12,651 INFO L226 Difference]: Without dead ends: 4808 [2021-11-16 21:59:12,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-16 21:59:12,660 INFO L933 BasicCegarLoop]: 2551 mSDtfsCounter, 1372 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 5030 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-16 21:59:12,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1689 Valid, 5030 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-16 21:59:12,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4808 states. [2021-11-16 21:59:12,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4808 to 4792. [2021-11-16 21:59:12,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4792 states, 3390 states have (on average 1.3545722713864308) internal successors, (4592), 3483 states have internal predecessors, (4592), 1217 states have call successors, (1217), 185 states have call predecessors, (1217), 184 states have return successors, (1224), 1195 states have call predecessors, (1224), 1215 states have call successors, (1224) [2021-11-16 21:59:12,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4792 states to 4792 states and 7033 transitions. [2021-11-16 21:59:12,788 INFO L78 Accepts]: Start accepts. Automaton has 4792 states and 7033 transitions. Word has length 89 [2021-11-16 21:59:12,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-16 21:59:12,788 INFO L470 AbstractCegarLoop]: Abstraction has 4792 states and 7033 transitions. [2021-11-16 21:59:12,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-16 21:59:12,789 INFO L276 IsEmpty]: Start isEmpty. Operand 4792 states and 7033 transitions. [2021-11-16 21:59:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-16 21:59:12,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-16 21:59:12,794 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-16 21:59:12,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-16 21:59:13,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-16 21:59:13,012 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-16 21:59:13,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-16 21:59:13,013 INFO L85 PathProgramCache]: Analyzing trace with hash 347747418, now seen corresponding path program 1 times [2021-11-16 21:59:13,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-16 21:59:13,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455806531] [2021-11-16 21:59:13,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-16 21:59:13,014 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-16 21:59:13,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-11-16 21:59:13,028 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) [2021-11-16 21:59:13,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-16 21:59:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-16 21:59:18,665 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-16 21:59:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-16 21:59:26,616 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-16 21:59:26,616 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-16 21:59:26,618 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-16 21:59:26,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-16 21:59:26,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-11-16 21:59:26,848 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-16 21:59:26,849 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-16 21:59:26,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 09:59:26 BoogieIcfgContainer [2021-11-16 21:59:26,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-16 21:59:26,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-16 21:59:26,995 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-16 21:59:26,995 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-16 21:59:26,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 09:59:07" (3/4) ... [2021-11-16 21:59:26,998 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-16 21:59:26,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-16 21:59:26,998 INFO L158 Benchmark]: Toolchain (without parser) took 36023.49ms. Allocated memory was 58.7MB in the beginning and 343.9MB in the end (delta: 285.2MB). Free memory was 36.4MB in the beginning and 194.8MB in the end (delta: -158.4MB). Peak memory consumption was 125.2MB. Max. memory is 16.1GB. [2021-11-16 21:59:27,000 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-16 21:59:27,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2085.95ms. Allocated memory was 58.7MB in the beginning and 157.3MB in the end (delta: 98.6MB). Free memory was 36.2MB in the beginning and 62.3MB in the end (delta: -26.0MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2021-11-16 21:59:27,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 206.67ms. Allocated memory is still 157.3MB. Free memory was 62.3MB in the beginning and 83.0MB in the end (delta: -20.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-11-16 21:59:27,002 INFO L158 Benchmark]: Boogie Preprocessor took 156.64ms. Allocated memory is still 157.3MB. Free memory was 83.0MB in the beginning and 56.8MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-16 21:59:27,002 INFO L158 Benchmark]: RCFGBuilder took 13921.81ms. Allocated memory was 157.3MB in the beginning and 285.2MB in the end (delta: 127.9MB). Free memory was 56.8MB in the beginning and 137.0MB in the end (delta: -80.2MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2021-11-16 21:59:27,002 INFO L158 Benchmark]: TraceAbstraction took 19644.48ms. Allocated memory was 285.2MB in the beginning and 343.9MB in the end (delta: 58.7MB). Free memory was 137.0MB in the beginning and 195.8MB in the end (delta: -58.8MB). Peak memory consumption was 887.9kB. Max. memory is 16.1GB. [2021-11-16 21:59:27,002 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 343.9MB. Free memory was 195.8MB in the beginning and 194.8MB in the end (delta: 940.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-16 21:59:27,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 43.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2085.95ms. Allocated memory was 58.7MB in the beginning and 157.3MB in the end (delta: 98.6MB). Free memory was 36.2MB in the beginning and 62.3MB in the end (delta: -26.0MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 206.67ms. Allocated memory is still 157.3MB. Free memory was 62.3MB in the beginning and 83.0MB in the end (delta: -20.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 156.64ms. Allocated memory is still 157.3MB. Free memory was 83.0MB in the beginning and 56.8MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 13921.81ms. Allocated memory was 157.3MB in the beginning and 285.2MB in the end (delta: 127.9MB). Free memory was 56.8MB in the beginning and 137.0MB in the end (delta: -80.2MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * TraceAbstraction took 19644.48ms. Allocated memory was 285.2MB in the beginning and 343.9MB in the end (delta: 58.7MB). Free memory was 137.0MB in the beginning and 195.8MB in the end (delta: -58.8MB). Peak memory consumption was 887.9kB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 343.9MB. Free memory was 195.8MB in the beginning and 194.8MB in the end (delta: 940.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, 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={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, 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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, 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={-9223372036854775628:0}, arg2={-9223372036854775628:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [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={-9223372036854775628:0}, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, 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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={-9223372036854775628:0}, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, 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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, 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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, tmp=0, tmp___1=2147483648] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, tmp=0, tmp___0=5, tmp___1=2147483648] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, 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)=61, \old(cmd)=1074033753, __this_module={0:0}, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=61, \old(cmd)=1074033753, __this_module={0:0}, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=61, \old(cmd)=1074033753, __this_module={0:0}, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, pf->kind=1, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L6840] COND FALSE !((unsigned int )pf->kind == 2U) [L6923] EXPR pf->kind VAL [\old(arg)=61, \old(cmd)=1074033753, __this_module={0:0}, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, pf->kind=1, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L6923] COND FALSE !((unsigned int )pf->kind != 1U) [L6931] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [\old(arg)=61, \old(cmd)=1074033753, __this_module={0:0}, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L6932] __mptr___1 = (struct ppp_file const *)pf [L6933] ppp = (struct ppp *)__mptr___1 VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __this_module={0:0}, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __this_module={0:0}, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __this_module={0:0}, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L7014] FCALL might_fault() VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __this_module={0:0}, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __this_module={0:0}, __val_gu___1=0, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, val=0] [L7038] COND FALSE !(__ret_gu___1 != 0) VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, val=0] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7043] RET spin_lock_bh(& ppp->wlock) VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, val=0] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L7044] RET spin_lock_bh(& ppp->rlock) VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=61, argp={0:61}, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, val=0] [L7045] EXPR ppp->flags [L7045] cflags = (int )(ppp->flags & (unsigned int )(~ val)) [L7046] ppp->flags = (unsigned int )val & 4214508U VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=61, argp={0:61}, cflags=64, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, val=0] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7047] RET spin_unlock_bh(& ppp->rlock) VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=61, argp={0:61}, cflags=64, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, val=0] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [__this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L7048] RET spin_unlock_bh(& ppp->wlock) VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=61, argp={0:61}, cflags=64, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, val=0] [L7050] COND TRUE (cflags & 64) != 0 VAL [\old(arg)=61, \old(cmd)=1074033753, __mptr___1={-9205356538816888816:648518346341351424}, __ret_gu___1=0, __this_module={0:0}, __val_gu___1=0, arg=61, argp={0:61}, cflags=64, channel_count={60:0}, cmd=1074033753, code={106:0}, code___0={105:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, err=4294967282, file={0:1048576}, file={0:1048576}, idle={-9223372036854775748:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={-9223372036854775628:0}, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, p={0:61}, pf={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, val=0] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, rcomp={0:0}, rstate={0:0}, xcomp={0:0}, xstate={-9223372036854775808:1074003968}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, rcomp={0:0}, rstate={0:0}, xcomp={0:0}, xstate={-9223372036854775808:1074003968}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, rcomp={0:0}, rstate={0:0}, xcomp={0:0}, xstate={-9223372036854775808:1074003968}] [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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, rcomp={0:0}, rstate={0:0}, xcomp={0:0}, xcomp->comp_free={9223372036854775806:12}, xstate={-9223372036854775808:1074003968}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp={-9205356538816888816:648518346341351424}, ppp={-9205356538816888816:648518346341351424}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}, rcomp={0:0}, rstate={0:0}, xcomp={0:0}, xcomp->comp_free={9223372036854775806:12}, xstate={-9223372036854775808:1074003968}] [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={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854775808}, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854775808}, module={0:-9223372036854775808}, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={0:-9223372036854775808}, module={0:-9223372036854775808}, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={0:0}, channel_count={60:0}, compressor_list={-9223372036854775805:0}, compressor_list_lock={96:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={4611686018427388076:0}, npindex_to_proto={190:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={180:0}, ppp_net_id={104:0}, ppp_net_ops={67:0}, ppp_netdev_ops={112:0}, ppp_unit_count={148:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 94 procedures, 1432 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.4s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3671 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3353 mSDsluCounter, 17247 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10366 mSDsCounter, 172 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 216 IncrementalHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 172 mSolverCounterUnsat, 6881 mSDtfsCounter, 216 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 346 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4792occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.0s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 508 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1926 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 32/32 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 [2021-11-16 21:59:27,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample