./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 03:24:57,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:24:57,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:24:57,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:24:57,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:24:57,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:24:57,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:24:57,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:24:57,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:24:57,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:24:57,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:24:57,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:24:57,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:24:57,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:24:57,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:24:57,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:24:57,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:24:57,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:24:57,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:24:57,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:24:57,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:24:57,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:24:57,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:24:57,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:24:57,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:24:57,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:24:57,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:24:57,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:24:57,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:24:57,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:24:57,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:24:57,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:24:57,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:24:57,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:24:57,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:24:57,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:24:57,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:24:57,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:24:57,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:24:57,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:24:57,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:24:57,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:24:57,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:24:57,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:24:57,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:24:57,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:24:57,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:24:57,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:24:57,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:24:57,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:24:57,155 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:24:57,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:24:57,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:24:57,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:24:57,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:24:57,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:24:57,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:24:57,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:24:57,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:24:57,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:24:57,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:24:57,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:24:57,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:24:57,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:24:57,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:24:57,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:24:57,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:24:57,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:24:57,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:24:57,158 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:24:57,158 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:24:57,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:24:57,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:24:57,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-12-16 03:24:57,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:24:57,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:24:57,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:24:57,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:24:57,370 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:24:57,371 INFO L432 ainManager$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 [2021-12-16 03:24:57,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a20a0ea5/c7743ad3fb24461da0cd69de14a38a97/FLAGf6830e58a [2021-12-16 03:24:58,044 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:24:58,044 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 [2021-12-16 03:24:58,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a20a0ea5/c7743ad3fb24461da0cd69de14a38a97/FLAGf6830e58a [2021-12-16 03:24:58,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a20a0ea5/c7743ad3fb24461da0cd69de14a38a97 [2021-12-16 03:24:58,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:24:58,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:24:58,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:24:58,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:24:58,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:24:58,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:24:58" (1/1) ... [2021-12-16 03:24:58,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a83623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:24:58, skipping insertion in model container [2021-12-16 03:24:58,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:24:58" (1/1) ... [2021-12-16 03:24:58,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:24:58,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:24:59,632 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] [2021-12-16 03:24:59,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:24:59,694 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:24:59,977 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] [2021-12-16 03:24:59,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:25:00,162 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:25:00,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00 WrapperNode [2021-12-16 03:25:00,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:25:00,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:25:00,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:25:00,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:25:00,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00" (1/1) ... [2021-12-16 03:25:00,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00" (1/1) ... [2021-12-16 03:25:00,319 INFO L137 Inliner]: procedures = 301, calls = 1795, calls flagged for inlining = 144, calls inlined = 114, statements flattened = 4213 [2021-12-16 03:25:00,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:25:00,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:25:00,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:25:00,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:25:00,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00" (1/1) ... [2021-12-16 03:25:00,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00" (1/1) ... [2021-12-16 03:25:00,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00" (1/1) ... [2021-12-16 03:25:00,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00" (1/1) ... [2021-12-16 03:25:00,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00" (1/1) ... [2021-12-16 03:25:00,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00" (1/1) ... [2021-12-16 03:25:00,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00" (1/1) ... [2021-12-16 03:25:00,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:25:00,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:25:00,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:25:00,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:25:00,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00" (1/1) ... [2021-12-16 03:25:00,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:25:00,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:25:00,523 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) [2021-12-16 03:25:00,536 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 [2021-12-16 03:25:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-16 03:25:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-16 03:25:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-16 03:25:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-16 03:25:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-16 03:25:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-16 03:25:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-16 03:25:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-16 03:25:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-16 03:25:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-16 03:25:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-16 03:25:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 03:25:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-16 03:25:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-16 03:25:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 03:25:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-16 03:25:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-16 03:25:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-16 03:25:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-16 03:25:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-16 03:25:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-16 03:25:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-16 03:25:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-16 03:25:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-16 03:25:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-16 03:25:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 03:25:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 03:25:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-16 03:25:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-16 03:25:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-16 03:25:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-16 03:25:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 03:25:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 03:25:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-12-16 03:25:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-12-16 03:25:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-16 03:25:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-16 03:25:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-16 03:25:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-16 03:25:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-16 03:25:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-16 03:25:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 03:25:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 03:25:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-12-16 03:25:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-12-16 03:25:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-16 03:25:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-16 03:25:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-16 03:25:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-16 03:25:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 03:25:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 03:25:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 03:25:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 03:25:00,579 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-16 03:25:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-16 03:25:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 03:25:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 03:25:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-16 03:25:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-16 03:25:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-16 03:25:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-16 03:25:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-16 03:25:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-16 03:25:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-12-16 03:25:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-12-16 03:25:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:25:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 03:25:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 03:25:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-16 03:25:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-16 03:25:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:25:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-16 03:25:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-16 03:25:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 03:25:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 03:25:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-16 03:25:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-16 03:25:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:25:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:25:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-16 03:25:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-16 03:25:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-16 03:25:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-16 03:25:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-16 03:25:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-16 03:25:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-16 03:25:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-16 03:25:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 03:25:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 03:25:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-16 03:25:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-16 03:25:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-12-16 03:25:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-12-16 03:25:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 03:25:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 03:25:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 03:25:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 03:25:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 03:25:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 03:25:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-16 03:25:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-16 03:25:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-16 03:25:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-16 03:25:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 03:25:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 03:25:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-16 03:25:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-16 03:25:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 03:25:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-16 03:25:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-16 03:25:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-16 03:25:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-16 03:25:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 03:25:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 03:25:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-16 03:25:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-16 03:25:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 03:25:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-12-16 03:25:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-12-16 03:25:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-16 03:25:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-16 03:25:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-16 03:25:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-16 03:25:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:25:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 03:25:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 03:25:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-16 03:25:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-16 03:25:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-16 03:25:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-16 03:25:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-16 03:25:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-16 03:25:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-16 03:25:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-16 03:25:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-16 03:25:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-16 03:25:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-16 03:25:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-16 03:25:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 03:25:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 03:25:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-16 03:25:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-16 03:25:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-16 03:25:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-16 03:25:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:25:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-16 03:25:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-16 03:25:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-16 03:25:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-16 03:25:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-16 03:25:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-16 03:25:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-16 03:25:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-16 03:25:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-16 03:25:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-16 03:25:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:25:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-16 03:25:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-16 03:25:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 03:25:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 03:25:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:25:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 03:25:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 03:25:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:25:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 03:25:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-16 03:25:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-12-16 03:25:00,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 03:25:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 03:25:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-16 03:25:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-16 03:25:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-16 03:25:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-16 03:25:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 03:25:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 03:25:00,604 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 03:25:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 03:25:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-16 03:25:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-16 03:25:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-16 03:25:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-16 03:25:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-16 03:25:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-16 03:25:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-16 03:25:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-16 03:25:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-16 03:25:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-16 03:25:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 03:25:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 03:25:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-16 03:25:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-16 03:25:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 03:25:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 03:25:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2021-12-16 03:25:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2021-12-16 03:25:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-16 03:25:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-16 03:25:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2021-12-16 03:25:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2021-12-16 03:25:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:25:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-16 03:25:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-16 03:25:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 03:25:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 03:25:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:25:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:25:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-16 03:25:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-16 03:25:00,608 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 03:25:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 03:25:01,203 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:25:01,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:25:01,606 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-16 03:25:01,606 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-16 03:25:02,135 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:02,138 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:02,139 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:02,401 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##207: assume !false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume !false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##212: assume false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##221: assume !false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-12-16 03:25:02,402 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2021-12-16 03:25:02,403 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2021-12-16 03:25:02,488 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:02,492 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:02,893 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 [2021-12-16 03:25:02,894 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; [2021-12-16 03:25:02,894 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; [2021-12-16 03:25:02,894 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 [2021-12-16 03:25:02,894 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-12-16 03:25:02,894 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-12-16 03:25:02,895 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-12-16 03:25:02,895 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-12-16 03:25:02,895 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-12-16 03:25:02,895 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-12-16 03:25:02,895 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume !false; [2021-12-16 03:25:02,895 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##160: assume false; [2021-12-16 03:25:02,922 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:25:02,932 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:25:02,932 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-16 03:25:02,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:25:02 BoogieIcfgContainer [2021-12-16 03:25:02,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:25:02,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:25:02,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:25:02,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:25:02,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:24:58" (1/3) ... [2021-12-16 03:25:02,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2638d106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:25:02, skipping insertion in model container [2021-12-16 03:25:02,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:00" (2/3) ... [2021-12-16 03:25:02,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2638d106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:25:02, skipping insertion in model container [2021-12-16 03:25:02,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:25:02" (3/3) ... [2021-12-16 03:25:02,940 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-16 03:25:02,943 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:25:02,944 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:25:02,975 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:25:02,980 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 [2021-12-16 03:25:02,980 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 03:25:03,007 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) [2021-12-16 03:25:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-16 03:25:03,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:25:03,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:25:03,011 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:25:03,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:25:03,015 INFO L85 PathProgramCache]: Analyzing trace with hash 732442861, now seen corresponding path program 1 times [2021-12-16 03:25:03,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:25:03,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995950217] [2021-12-16 03:25:03,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:25:03,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:25:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:25:03,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:25:03,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995950217] [2021-12-16 03:25:03,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995950217] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:25:03,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:25:03,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 03:25:03,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730125477] [2021-12-16 03:25:03,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:25:03,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:25:03,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:25:03,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:25:03,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:25:03,285 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) [2021-12-16 03:25:03,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:25:03,507 INFO L93 Difference]: Finished difference Result 4295 states and 6198 transitions. [2021-12-16 03:25:03,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:25:03,511 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 [2021-12-16 03:25:03,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:25:03,576 INFO L225 Difference]: With dead ends: 4295 [2021-12-16 03:25:03,578 INFO L226 Difference]: Without dead ends: 2834 [2021-12-16 03:25:03,591 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 [2021-12-16 03:25:03,593 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 [2021-12-16 03:25:03,594 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] [2021-12-16 03:25:03,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2834 states. [2021-12-16 03:25:03,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2834 to 2831. [2021-12-16 03:25:03,738 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) [2021-12-16 03:25:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3947 transitions. [2021-12-16 03:25:03,762 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3947 transitions. Word has length 12 [2021-12-16 03:25:03,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:25:03,763 INFO L470 AbstractCegarLoop]: Abstraction has 2831 states and 3947 transitions. [2021-12-16 03:25:03,763 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) [2021-12-16 03:25:03,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3947 transitions. [2021-12-16 03:25:03,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-16 03:25:03,775 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:25:03,775 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] [2021-12-16 03:25:03,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:25:03,776 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:25:03,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:25:03,778 INFO L85 PathProgramCache]: Analyzing trace with hash -863962791, now seen corresponding path program 1 times [2021-12-16 03:25:03,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:25:03,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706514224] [2021-12-16 03:25:03,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:25:03,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:25:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:25:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-16 03:25:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:25:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 03:25:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 03:25:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-16 03:25:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:03,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 03:25:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-16 03:25:04,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:25:04,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706514224] [2021-12-16 03:25:04,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706514224] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:25:04,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:25:04,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 03:25:04,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075799107] [2021-12-16 03:25:04,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:25:04,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:25:04,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:25:04,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:25:04,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 03:25:04,005 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) [2021-12-16 03:25:06,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:25:08,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:25:10,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 03:25:14,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:25:14,026 INFO L93 Difference]: Finished difference Result 6578 states and 9359 transitions. [2021-12-16 03:25:14,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 03:25:14,027 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 [2021-12-16 03:25:14,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:25:14,045 INFO L225 Difference]: With dead ends: 6578 [2021-12-16 03:25:14,046 INFO L226 Difference]: Without dead ends: 3773 [2021-12-16 03:25:14,055 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 [2021-12-16 03:25:14,056 INFO L933 BasicCegarLoop]: 1828 mSDtfsCounter, 1320 mSDsluCounter, 4786 mSDsCounter, 0 mSdLazyCounter, 2803 mSolverCounterSat, 524 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 6614 SdHoareTripleChecker+Invalid, 3330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 2803 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-12-16 03:25:14,057 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1514 Valid, 6614 Invalid, 3330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 2803 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2021-12-16 03:25:14,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2021-12-16 03:25:14,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 3390. [2021-12-16 03:25:14,155 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) [2021-12-16 03:25:14,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4806 transitions. [2021-12-16 03:25:14,200 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4806 transitions. Word has length 74 [2021-12-16 03:25:14,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:25:14,201 INFO L470 AbstractCegarLoop]: Abstraction has 3390 states and 4806 transitions. [2021-12-16 03:25:14,201 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) [2021-12-16 03:25:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4806 transitions. [2021-12-16 03:25:14,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-12-16 03:25:14,209 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:25:14,209 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] [2021-12-16 03:25:14,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 03:25:14,210 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:25:14,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:25:14,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1191976461, now seen corresponding path program 1 times [2021-12-16 03:25:14,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:25:14,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559841961] [2021-12-16 03:25:14,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:25:14,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:25:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-16 03:25:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-16 03:25:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-16 03:25:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-12-16 03:25:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-16 03:25:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:14,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-16 03:25:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-16 03:25:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:14,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-16 03:25:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-16 03:25:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:14,500 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-16 03:25:14,500 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:25:14,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559841961] [2021-12-16 03:25:14,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559841961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:25:14,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:25:14,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 03:25:14,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115730785] [2021-12-16 03:25:14,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:25:14,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:25:14,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:25:14,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:25:14,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 03:25:14,504 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) [2021-12-16 03:25:18,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:25:18,055 INFO L93 Difference]: Finished difference Result 7092 states and 10144 transitions. [2021-12-16 03:25:18,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 03:25:18,055 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 [2021-12-16 03:25:18,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:25:18,100 INFO L225 Difference]: With dead ends: 7092 [2021-12-16 03:25:18,101 INFO L226 Difference]: Without dead ends: 3726 [2021-12-16 03:25:18,109 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 [2021-12-16 03:25:18,110 INFO L933 BasicCegarLoop]: 1774 mSDtfsCounter, 721 mSDsluCounter, 5050 mSDsCounter, 0 mSdLazyCounter, 2536 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s 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, 3.3s IncrementalHoareTripleChecker+Time [2021-12-16 03:25:18,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [850 Valid, 6824 Invalid, 2910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 2536 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-16 03:25:18,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3726 states. [2021-12-16 03:25:18,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3726 to 3390. [2021-12-16 03:25:18,195 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) [2021-12-16 03:25:18,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4804 transitions. [2021-12-16 03:25:18,209 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4804 transitions. Word has length 92 [2021-12-16 03:25:18,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:25:18,210 INFO L470 AbstractCegarLoop]: Abstraction has 3390 states and 4804 transitions. [2021-12-16 03:25:18,210 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) [2021-12-16 03:25:18,212 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4804 transitions. [2021-12-16 03:25:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-16 03:25:18,223 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:25:18,223 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] [2021-12-16 03:25:18,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 03:25:18,224 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:25:18,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:25:18,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1457908739, now seen corresponding path program 1 times [2021-12-16 03:25:18,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:25:18,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12528291] [2021-12-16 03:25:18,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:25:18,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:25:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 03:25:18,433 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 03:25:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 03:25:18,636 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 03:25:18,636 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-16 03:25:18,637 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-16 03:25:18,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 03:25:18,641 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-16 03:25:18,644 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-16 03:25:18,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:25:18 BoogieIcfgContainer [2021-12-16 03:25:18,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-16 03:25:18,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 03:25:18,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 03:25:18,775 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 03:25:18,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:25:02" (3/4) ... [2021-12-16 03:25:18,778 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 03:25:18,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 03:25:18,779 INFO L158 Benchmark]: Toolchain (without parser) took 20363.61ms. Allocated memory was 100.7MB in the beginning and 497.0MB in the end (delta: 396.4MB). Free memory was 55.6MB in the beginning and 145.3MB in the end (delta: -89.7MB). Peak memory consumption was 306.1MB. Max. memory is 16.1GB. [2021-12-16 03:25:18,779 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 03:25:18,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1747.18ms. Allocated memory was 100.7MB in the beginning and 224.4MB in the end (delta: 123.7MB). Free memory was 55.4MB in the beginning and 156.7MB in the end (delta: -101.3MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2021-12-16 03:25:18,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.48ms. Allocated memory is still 224.4MB. Free memory was 156.7MB in the beginning and 133.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-16 03:25:18,779 INFO L158 Benchmark]: Boogie Preprocessor took 176.72ms. Allocated memory is still 224.4MB. Free memory was 133.6MB in the beginning and 108.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-16 03:25:18,780 INFO L158 Benchmark]: RCFGBuilder took 2436.74ms. Allocated memory was 224.4MB in the beginning and 331.4MB in the end (delta: 107.0MB). Free memory was 108.5MB in the beginning and 176.2MB in the end (delta: -67.8MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2021-12-16 03:25:18,780 INFO L158 Benchmark]: TraceAbstraction took 15838.20ms. Allocated memory was 331.4MB in the beginning and 497.0MB in the end (delta: 165.7MB). Free memory was 175.2MB in the beginning and 146.3MB in the end (delta: 28.9MB). Peak memory consumption was 195.6MB. Max. memory is 16.1GB. [2021-12-16 03:25:18,780 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 497.0MB. Free memory was 146.3MB in the beginning and 145.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 03:25:18,782 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 100.7MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1747.18ms. Allocated memory was 100.7MB in the beginning and 224.4MB in the end (delta: 123.7MB). Free memory was 55.4MB in the beginning and 156.7MB in the end (delta: -101.3MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 155.48ms. Allocated memory is still 224.4MB. Free memory was 156.7MB in the beginning and 133.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.72ms. Allocated memory is still 224.4MB. Free memory was 133.6MB in the beginning and 108.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2436.74ms. Allocated memory was 224.4MB in the beginning and 331.4MB in the end (delta: 107.0MB). Free memory was 108.5MB in the beginning and 176.2MB in the end (delta: -67.8MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * TraceAbstraction took 15838.20ms. Allocated memory was 331.4MB in the beginning and 497.0MB in the end (delta: 165.7MB). Free memory was 175.2MB in the beginning and 146.3MB in the end (delta: 28.9MB). Peak memory consumption was 195.6MB. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 497.0MB. Free memory was 146.3MB in the beginning and 145.3MB in the end (delta: 1.0MB). 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={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [\old(major)=108, \result=0, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, fops={66:0}, fops={66:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, major=108, mp_protocol_compress=1, name={18:0}, name={18:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [\old(size)=128, \result={0:0}, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [__this_module={36893488147419103244:36893488147419103246}, arg0={36893488147419103244:36893488147419103246}, arg0={36893488147419103244:36893488147419103246}, arg1={20:0}, arg1={20:0}, arg2={73:0}, arg2={73:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [__key={73:0}, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [__this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [\result=0, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [__key={73:0}, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7725] return (0); [L7725] return (0); VAL [\result=0, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [__this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [__this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___1=1] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [__this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10664] COND FALSE !(tmp___0 == 1) VAL [__this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10667] COND FALSE !(tmp___0 == 2) VAL [__this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10670] COND FALSE !(tmp___0 == 3) VAL [__this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10673] COND FALSE !(tmp___0 == 4) VAL [__this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10676] COND TRUE tmp___0 == 5 VAL [__this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=1] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [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={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={75:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={36893488147419103269:-2}, file={36893488147419103269:-2}, idle={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={77:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551617:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [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={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={75:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={36893488147419103269:-2}, file={36893488147419103269:-2}, idle={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={77:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551617:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={75:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={36893488147419103269:-2}, file={36893488147419103269:-2}, idle={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={77:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551617:0}, pf->kind=4294967298, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [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={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={75:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={36893488147419103269:-2}, file={36893488147419103269:-2}, idle={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={77:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={18446744073709551617:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [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={18446744073709551617:0}, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={75:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={36893488147419103269:-2}, file={36893488147419103269:-2}, idle={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={77:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={18446744073709551617:0}, pf={18446744073709551617:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6846] COND FALSE !((int )cmd == 1074033722) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={18446744073709551617:0}, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={75:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={36893488147419103269:-2}, file={36893488147419103269:-2}, idle={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={77:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={18446744073709551617:0}, pf={18446744073709551617:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6849] COND FALSE !((int )cmd == 29753) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={18446744073709551617:0}, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={75:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={36893488147419103269:-2}, file={36893488147419103269:-2}, idle={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={77:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={18446744073709551617:0}, pf={18446744073709551617:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [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={18446744073709551617:0}, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, chan={-18446744073709551615:0}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={75:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={36893488147419103269:-2}, file={36893488147419103269:-2}, idle={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={77:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={18446744073709551617:0}, pf={18446744073709551617:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6899] COND TRUE (unsigned long )chan != (unsigned long )((struct ppp_channel *)0) [L6900] EXPR chan->ops [L6900] EXPR (chan->ops)->ioctl VAL [(chan->ops)->ioctl={79:-78}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={18446744073709551617:0}, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, chan={-18446744073709551615:0}, chan->ops={36893488147419103270:0}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={75:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={36893488147419103269:-2}, file={36893488147419103269:-2}, idle={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={77:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={18446744073709551617:0}, pf={18446744073709551617:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6900-L6902] COND TRUE (unsigned long )(chan->ops)->ioctl != (unsigned long )((int (* const )(struct ppp_channel * , unsigned int , unsigned long ))0) [L6904] EXPR chan->ops [L6904] EXPR (chan->ops)->ioctl VAL [(chan->ops)->ioctl={79:-78}, \old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___0={18446744073709551617:0}, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, chan={-18446744073709551615:0}, chan->ops={36893488147419103270:0}, channel_count={62:0}, cmd=1074033753, code={74:0}, code___0={75:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-25, file={36893488147419103269:-2}, file={36893488147419103269:-2}, idle={78:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={77:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pch={18446744073709551617:0}, pf={18446744073709551617:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6904] CALL (*((chan->ops)->ioctl))(chan, cmd, arg) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [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={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6804] COND FALSE !(cmd == 1074033724U) [L6840] EXPR pf->kind VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [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={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, pf->kind=-4294967295, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [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={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [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={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6935] COND FALSE !((int )cmd == 1074033746) VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6938] COND TRUE (int )cmd == 1074033753 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7014] FCALL might_fault() VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={36893488147419103244:36893488147419103246}, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7037] val = (int )__val_gu___1 VAL [\old(arg)=18446744073709551615, \old(cmd)=1074033753, \old(ldv_module_refcounter)=1, __mptr___1={377:-376}, __this_module={36893488147419103244:36893488147419103246}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-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={36893488147419103244:36893488147419103246}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-3] [L7043] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [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={36893488147419103244:36893488147419103246}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-3] [L7044] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [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={36893488147419103244:36893488147419103246}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-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={36893488147419103244:36893488147419103246}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, cflags=-4, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-3] [L7047] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [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={36893488147419103244:36893488147419103246}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, cflags=-4, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-3] [L7048] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [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={36893488147419103244:36893488147419103246}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, cflags=-4, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-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={36893488147419103244:36893488147419103246}, __val_gu___1=4294967293, arg=18446744073709551615, argp={0:-1}, cflags=-4, channel_count={62:0}, cmd=1074033753, code={81:0}, code___0={82:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={-18446744073709551615:0}, file={-18446744073709551615:0}, idle={71:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npi={83:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-1}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, val=-3] [L7052] CALL ppp_ccp_closed(ppp) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] EXPR ppp->flags [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={36893488147419103266:36893488147419103253}, rstate={36893488147419103263:36893488147419103247}, xcomp={36893488147419103233:-17}, xstate={36893488147419103233:0}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={36893488147419103266:36893488147419103253}, rstate={36893488147419103263:36893488147419103247}, xcomp={36893488147419103233:-17}, xstate={36893488147419103233:0}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={36893488147419103266:36893488147419103253}, rstate={36893488147419103263:36893488147419103247}, xcomp={36893488147419103233:-17}, xstate={36893488147419103233:0}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={36893488147419103266:36893488147419103253}, rstate={36893488147419103263:36893488147419103247}, xcomp={36893488147419103233:-17}, xcomp->comp_free={-1:12}, xstate={36893488147419103233:0}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9974] RET (*(xcomp->comp_free))(xstate) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={36893488147419103266:36893488147419103253}, rstate={36893488147419103263:36893488147419103247}, xcomp={36893488147419103233:-17}, xcomp->comp_free={-1:12}, xstate={36893488147419103233:0}] [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={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, module={85:-84}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={85:-84}, module={85:-84}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10848] CALL ldv_blast_assert() VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10809] reach_error() VAL [\old(ldv_module_refcounter)=1, __this_module={36893488147419103244:36893488147419103246}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 97 procedures, 1447 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 4360 SdHoareTripleChecker+Valid, 13.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4037 mSDsluCounter, 17791 SdHoareTripleChecker+Invalid, 11.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11813 mSDsCounter, 900 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5347 IncrementalHoareTripleChecker+Invalid, 6250 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 900 mSolverCounterUnsat, 5978 mSDtfsCounter, 5347 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 3 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, 0.4s 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 [2021-12-16 03:25:18,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 03:25:20,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:25:20,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:25:20,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:25:20,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:25:20,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:25:20,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:25:20,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:25:20,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:25:20,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:25:20,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:25:20,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:25:20,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:25:20,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:25:20,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:25:20,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:25:20,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:25:20,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:25:20,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:25:20,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:25:20,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:25:20,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:25:20,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:25:20,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:25:20,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:25:20,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:25:20,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:25:20,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:25:20,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:25:20,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:25:20,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:25:20,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:25:20,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:25:20,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:25:20,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:25:20,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:25:20,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:25:20,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:25:20,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:25:20,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:25:20,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:25:20,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-16 03:25:20,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:25:20,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:25:20,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:25:20,521 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:25:20,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:25:20,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:25:20,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:25:20,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:25:20,523 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:25:20,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:25:20,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:25:20,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:25:20,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:25:20,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:25:20,525 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-16 03:25:20,525 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-16 03:25:20,525 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-16 03:25:20,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:25:20,525 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:25:20,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:25:20,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:25:20,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:25:20,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:25:20,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:25:20,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:25:20,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:25:20,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:25:20,534 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-16 03:25:20,534 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-16 03:25:20,534 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:25:20,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:25:20,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:25:20,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:25:20,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-16 03:25:20,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2021-12-16 03:25:20,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:25:20,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:25:20,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:25:20,787 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:25:20,787 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:25:20,788 INFO L432 ainManager$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 [2021-12-16 03:25:20,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c827df64a/520b99a73af7474399e75493edec246e/FLAGe9c6035e2 [2021-12-16 03:25:21,471 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:25:21,472 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 [2021-12-16 03:25:21,513 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c827df64a/520b99a73af7474399e75493edec246e/FLAGe9c6035e2 [2021-12-16 03:25:21,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c827df64a/520b99a73af7474399e75493edec246e [2021-12-16 03:25:21,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:25:21,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:25:21,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:25:21,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:25:21,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:25:21,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:21,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fdcd389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:21, skipping insertion in model container [2021-12-16 03:25:21,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:25:21" (1/1) ... [2021-12-16 03:25:21,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:25:21,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:25:23,178 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] [2021-12-16 03:25:23,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:25:23,253 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-16 03:25:23,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:25:23,561 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] [2021-12-16 03:25:23,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:25:23,590 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:25:23,824 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] [2021-12-16 03:25:23,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:25:23,999 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:25:23,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23 WrapperNode [2021-12-16 03:25:24,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:25:24,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:25:24,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:25:24,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:25:24,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23" (1/1) ... [2021-12-16 03:25:24,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23" (1/1) ... [2021-12-16 03:25:24,207 INFO L137 Inliner]: procedures = 316, calls = 1793, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4122 [2021-12-16 03:25:24,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:25:24,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:25:24,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:25:24,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:25:24,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23" (1/1) ... [2021-12-16 03:25:24,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23" (1/1) ... [2021-12-16 03:25:24,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23" (1/1) ... [2021-12-16 03:25:24,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23" (1/1) ... [2021-12-16 03:25:24,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23" (1/1) ... [2021-12-16 03:25:24,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23" (1/1) ... [2021-12-16 03:25:24,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23" (1/1) ... [2021-12-16 03:25:24,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:25:24,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:25:24,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:25:24,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:25:24,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23" (1/1) ... [2021-12-16 03:25:24,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:25:24,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:25:24,411 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) [2021-12-16 03:25:24,417 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 [2021-12-16 03:25:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2021-12-16 03:25:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2021-12-16 03:25:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-16 03:25:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-16 03:25:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-12-16 03:25:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-12-16 03:25:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-16 03:25:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-16 03:25:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-12-16 03:25:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-12-16 03:25:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2021-12-16 03:25:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2021-12-16 03:25:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2021-12-16 03:25:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2021-12-16 03:25:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2021-12-16 03:25:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2021-12-16 03:25:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 03:25:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 03:25:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-16 03:25:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-16 03:25:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-16 03:25:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-16 03:25:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 03:25:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 03:25:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-12-16 03:25:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-12-16 03:25:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-16 03:25:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-16 03:25:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-12-16 03:25:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2021-12-16 03:25:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2021-12-16 03:25:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2021-12-16 03:25:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2021-12-16 03:25:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2021-12-16 03:25:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 03:25:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 03:25:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-12-16 03:25:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-12-16 03:25:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-12-16 03:25:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-12-16 03:25:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-16 03:25:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-16 03:25:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 03:25:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 03:25:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 03:25:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 03:25:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2021-12-16 03:25:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2021-12-16 03:25:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 03:25:24,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 03:25:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2021-12-16 03:25:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2021-12-16 03:25:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2021-12-16 03:25:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2021-12-16 03:25:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2021-12-16 03:25:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2021-12-16 03:25:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2021-12-16 03:25:24,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2021-12-16 03:25:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:25:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 03:25:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 03:25:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-16 03:25:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-16 03:25:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:25:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-16 03:25:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-16 03:25:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 03:25:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 03:25:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-16 03:25:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-16 03:25:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-16 03:25:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-16 03:25:24,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-16 03:25:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:25:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-16 03:25:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:25:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2021-12-16 03:25:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2021-12-16 03:25:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-16 03:25:24,445 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-16 03:25:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-16 03:25:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-16 03:25:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-16 03:25:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-16 03:25:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-16 03:25:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-16 03:25:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-16 03:25:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 03:25:24,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 03:25:24,446 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2021-12-16 03:25:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2021-12-16 03:25:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2021-12-16 03:25:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2021-12-16 03:25:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-16 03:25:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-16 03:25:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 03:25:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 03:25:24,447 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 03:25:24,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 03:25:24,448 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2021-12-16 03:25:24,448 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2021-12-16 03:25:24,449 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2021-12-16 03:25:24,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2021-12-16 03:25:24,450 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 03:25:24,450 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 03:25:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-16 03:25:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-16 03:25:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-16 03:25:24,451 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-16 03:25:24,451 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2021-12-16 03:25:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2021-12-16 03:25:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 03:25:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 03:25:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2021-12-16 03:25:24,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2021-12-16 03:25:24,455 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-12-16 03:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-16 03:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2021-12-16 03:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 03:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-16 03:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2021-12-16 03:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2021-12-16 03:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2021-12-16 03:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2021-12-16 03:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2021-12-16 03:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 03:25:24,456 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2021-12-16 03:25:24,456 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-16 03:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-16 03:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-16 03:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-16 03:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-16 03:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2021-12-16 03:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2021-12-16 03:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-16 03:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-16 03:25:24,457 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 03:25:24,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 03:25:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 03:25:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-16 03:25:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-16 03:25:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 03:25:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 03:25:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2021-12-16 03:25:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-16 03:25:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-16 03:25:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-16 03:25:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-16 03:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-16 03:25:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-16 03:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2021-12-16 03:25:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2021-12-16 03:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 03:25:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 03:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2021-12-16 03:25:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2021-12-16 03:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2021-12-16 03:25:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2021-12-16 03:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-16 03:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2021-12-16 03:25:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2021-12-16 03:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 03:25:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-16 03:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:25:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-16 03:25:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-16 03:25:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 03:25:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 03:25:24,990 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:25:24,995 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:25:27,882 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2021-12-16 03:25:27,882 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2021-12-16 03:25:36,889 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:36,892 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:36,895 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:36,896 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:36,901 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-16 03:25:47,448 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 [2021-12-16 03:25:47,449 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; [2021-12-16 03:25:47,449 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2021-12-16 03:25:47,449 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2021-12-16 03:25:47,449 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; [2021-12-16 03:25:47,449 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 [2021-12-16 03:25:47,449 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2021-12-16 03:25:47,449 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2021-12-16 03:25:47,449 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2021-12-16 03:25:47,449 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2021-12-16 03:25:47,449 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2021-12-16 03:25:47,449 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2021-12-16 03:25:47,450 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-12-16 03:25:47,450 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-12-16 03:25:47,450 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2021-12-16 03:25:47,450 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2021-12-16 03:25:47,450 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-12-16 03:25:47,450 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-12-16 03:25:47,450 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2021-12-16 03:25:47,450 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2021-12-16 03:25:47,450 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2021-12-16 03:25:47,451 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2021-12-16 03:25:47,451 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2021-12-16 03:25:47,451 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2021-12-16 03:25:47,451 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2021-12-16 03:25:47,451 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2021-12-16 03:25:47,451 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2021-12-16 03:25:47,451 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2021-12-16 03:25:47,451 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2021-12-16 03:25:47,452 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2021-12-16 03:25:47,452 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2021-12-16 03:25:47,452 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2021-12-16 03:25:47,452 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2021-12-16 03:25:47,452 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-12-16 03:25:47,452 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-12-16 03:25:47,452 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-12-16 03:25:47,452 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-12-16 03:25:47,452 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-12-16 03:25:47,452 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-12-16 03:25:47,453 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2021-12-16 03:25:47,453 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2021-12-16 03:25:47,453 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2021-12-16 03:25:47,453 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2021-12-16 03:25:47,453 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2021-12-16 03:25:47,499 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:25:47,510 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:25:47,510 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-12-16 03:25:47,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:25:47 BoogieIcfgContainer [2021-12-16 03:25:47,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:25:47,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:25:47,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:25:47,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:25:47,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:25:21" (1/3) ... [2021-12-16 03:25:47,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675c8d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:25:47, skipping insertion in model container [2021-12-16 03:25:47,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:25:23" (2/3) ... [2021-12-16 03:25:47,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675c8d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:25:47, skipping insertion in model container [2021-12-16 03:25:47,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:25:47" (3/3) ... [2021-12-16 03:25:47,518 INFO L111 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2021-12-16 03:25:47,522 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:25:47,522 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:25:47,556 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:25:47,561 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 [2021-12-16 03:25:47,561 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 03:25:47,591 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) [2021-12-16 03:25:47,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-16 03:25:47,596 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:25:47,596 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:25:47,596 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:25:47,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:25:47,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2078505288, now seen corresponding path program 1 times [2021-12-16 03:25:47,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 03:25:47,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646606852] [2021-12-16 03:25:47,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:25:47,611 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 03:25:47,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 03:25:47,613 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) [2021-12-16 03:25:47,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-16 03:25:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:48,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 03:25:48,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:25:48,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:25:48,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:25:48,467 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 03:25:48,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646606852] [2021-12-16 03:25:48,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646606852] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:25:48,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:25:48,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-16 03:25:48,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800720614] [2021-12-16 03:25:48,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:25:48,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:25:48,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 03:25:48,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:25:48,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:25:48,493 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) [2021-12-16 03:25:48,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:25:48,810 INFO L93 Difference]: Finished difference Result 4250 states and 6135 transitions. [2021-12-16 03:25:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:25:48,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-12-16 03:25:48,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:25:48,845 INFO L225 Difference]: With dead ends: 4250 [2021-12-16 03:25:48,845 INFO L226 Difference]: Without dead ends: 2804 [2021-12-16 03:25:48,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:25:48,860 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 [2021-12-16 03:25:48,861 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] [2021-12-16 03:25:48,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2804 states. [2021-12-16 03:25:49,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2804 to 2801. [2021-12-16 03:25:49,066 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) [2021-12-16 03:25:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3908 transitions. [2021-12-16 03:25:49,085 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3908 transitions. Word has length 12 [2021-12-16 03:25:49,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:25:49,085 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3908 transitions. [2021-12-16 03:25:49,086 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) [2021-12-16 03:25:49,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3908 transitions. [2021-12-16 03:25:49,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-16 03:25:49,098 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:25:49,098 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] [2021-12-16 03:25:49,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-16 03:25:49,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 03:25:49,318 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:25:49,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:25:49,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1790442611, now seen corresponding path program 1 times [2021-12-16 03:25:49,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 03:25:49,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452143042] [2021-12-16 03:25:49,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:25:49,320 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 03:25:49,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 03:25:49,321 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) [2021-12-16 03:25:49,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-16 03:25:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:50,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 1475 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 03:25:50,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:25:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-16 03:25:50,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:25:50,636 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 03:25:50,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452143042] [2021-12-16 03:25:50,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1452143042] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:25:50,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:25:50,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 03:25:50,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054806743] [2021-12-16 03:25:50,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:25:50,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 03:25:50,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 03:25:50,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 03:25:50,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:25:50,639 INFO L87 Difference]: Start difference. First operand 2801 states and 3908 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-16 03:25:50,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:25:50,855 INFO L93 Difference]: Finished difference Result 5578 states and 7787 transitions. [2021-12-16 03:25:50,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 03:25:50,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 74 [2021-12-16 03:25:50,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:25:50,868 INFO L225 Difference]: With dead ends: 5578 [2021-12-16 03:25:50,869 INFO L226 Difference]: Without dead ends: 2801 [2021-12-16 03:25:50,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 03:25:50,879 INFO L933 BasicCegarLoop]: 1981 mSDtfsCounter, 3 mSDsluCounter, 5931 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7912 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:25:50,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 7912 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:25:50,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2801 states. [2021-12-16 03:25:50,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2801 to 2801. [2021-12-16 03:25:50,986 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) [2021-12-16 03:25:50,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2801 states and 3906 transitions. [2021-12-16 03:25:50,999 INFO L78 Accepts]: Start accepts. Automaton has 2801 states and 3906 transitions. Word has length 74 [2021-12-16 03:25:50,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:25:50,999 INFO L470 AbstractCegarLoop]: Abstraction has 2801 states and 3906 transitions. [2021-12-16 03:25:50,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-16 03:25:50,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 3906 transitions. [2021-12-16 03:25:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-16 03:25:51,003 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:25:51,003 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] [2021-12-16 03:25:51,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-16 03:25:51,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 03:25:51,219 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:25:51,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:25:51,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1751657911, now seen corresponding path program 1 times [2021-12-16 03:25:51,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 03:25:51,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030459309] [2021-12-16 03:25:51,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:25:51,221 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 03:25:51,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 03:25:51,223 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) [2021-12-16 03:25:51,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-16 03:25:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:52,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 03:25:52,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:25:52,650 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-16 03:25:52,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:25:52,651 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 03:25:52,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030459309] [2021-12-16 03:25:52,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1030459309] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:25:52,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:25:52,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:25:52,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574753884] [2021-12-16 03:25:52,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:25:52,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:25:52,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 03:25:52,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:25:52,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:25:52,652 INFO L87 Difference]: Start difference. First operand 2801 states and 3906 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 03:25:52,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:25:52,824 INFO L93 Difference]: Finished difference Result 6586 states and 9372 transitions. [2021-12-16 03:25:52,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:25:52,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2021-12-16 03:25:52,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:25:52,841 INFO L225 Difference]: With dead ends: 6586 [2021-12-16 03:25:52,841 INFO L226 Difference]: Without dead ends: 3812 [2021-12-16 03:25:52,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:25:52,851 INFO L933 BasicCegarLoop]: 2334 mSDtfsCounter, 502 mSDsluCounter, 1997 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:25:52,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 4331 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-16 03:25:52,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3812 states. [2021-12-16 03:25:52,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3812 to 3796. [2021-12-16 03:25:52,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3796 states, 2682 states have (on average 1.3434004474272931) internal successors, (3603), 2761 states have internal predecessors, (3603), 929 states have call successors, (929), 185 states have call predecessors, (929), 184 states have return successors, (933), 909 states have call predecessors, (933), 927 states have call successors, (933) [2021-12-16 03:25:52,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3796 states to 3796 states and 5465 transitions. [2021-12-16 03:25:52,953 INFO L78 Accepts]: Start accepts. Automaton has 3796 states and 5465 transitions. Word has length 89 [2021-12-16 03:25:52,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:25:52,954 INFO L470 AbstractCegarLoop]: Abstraction has 3796 states and 5465 transitions. [2021-12-16 03:25:52,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-16 03:25:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand 3796 states and 5465 transitions. [2021-12-16 03:25:52,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-16 03:25:52,958 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:25:52,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:25:53,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-16 03:25:53,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-16 03:25:53,177 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:25:53,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:25:53,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1606886577, now seen corresponding path program 1 times [2021-12-16 03:25:53,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-16 03:25:53,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [451277740] [2021-12-16 03:25:53,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:25:53,179 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-16 03:25:53,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-16 03:25:53,180 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) [2021-12-16 03:25:53,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-16 03:25:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:25:54,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 03:25:54,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 03:25:54,556 INFO L354 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2021-12-16 03:25:54,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 20 [2021-12-16 03:25:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-16 03:25:58,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-16 03:25:58,223 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-16 03:25:58,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [451277740] [2021-12-16 03:25:58,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [451277740] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:25:58,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:25:58,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 03:25:58,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635977538] [2021-12-16 03:25:58,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:25:58,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 03:25:58,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-16 03:25:58,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 03:25:58,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-12-16 03:25:58,224 INFO L87 Difference]: Start difference. First operand 3796 states and 5465 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)