/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml --sifa.abstract.domain EqDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-eq-dnf-be04d46 [2023-03-29 18:18:13,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-29 18:18:13,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-29 18:18:13,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-29 18:18:13,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-29 18:18:13,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-29 18:18:13,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-29 18:18:13,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-29 18:18:13,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-29 18:18:13,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-29 18:18:13,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-29 18:18:13,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-29 18:18:13,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-29 18:18:13,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-29 18:18:13,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-29 18:18:13,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-29 18:18:13,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-29 18:18:13,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-29 18:18:13,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-29 18:18:13,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-29 18:18:13,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-29 18:18:13,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-29 18:18:13,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-29 18:18:13,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-29 18:18:13,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-29 18:18:13,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-29 18:18:13,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-29 18:18:13,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-29 18:18:13,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-29 18:18:13,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-29 18:18:13,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-29 18:18:13,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-29 18:18:13,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-29 18:18:13,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-29 18:18:13,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-29 18:18:13,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-29 18:18:13,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-29 18:18:13,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-29 18:18:13,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-29 18:18:13,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-29 18:18:13,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-29 18:18:13,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-03-29 18:18:13,540 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-29 18:18:13,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-29 18:18:13,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-29 18:18:13,541 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-29 18:18:13,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-29 18:18:13,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-29 18:18:13,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-29 18:18:13,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-29 18:18:13,543 INFO L138 SettingsManager]: * Use SBE=true [2023-03-29 18:18:13,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-29 18:18:13,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-29 18:18:13,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-29 18:18:13,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-29 18:18:13,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-29 18:18:13,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-29 18:18:13,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-29 18:18:13,544 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-29 18:18:13,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-29 18:18:13,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-29 18:18:13,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-29 18:18:13,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-29 18:18:13,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 18:18:13,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-29 18:18:13,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-29 18:18:13,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-29 18:18:13,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-29 18:18:13,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-29 18:18:13,546 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-29 18:18:13,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-29 18:18:13,546 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-29 18:18:13,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-29 18:18:13,546 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-29 18:18:13,547 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-03-29 18:18:13,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-29 18:18:13,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-29 18:18:13,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-29 18:18:13,776 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-29 18:18:13,779 INFO L275 PluginConnector]: CDTParser initialized [2023-03-29 18:18:13,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2023-03-29 18:18:14,984 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-29 18:18:15,429 INFO L351 CDTParser]: Found 1 translation units. [2023-03-29 18:18:15,430 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2023-03-29 18:18:15,459 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ada9845a6/19935c688b2244c7876a80c3b11a714d/FLAGdf24fea09 [2023-03-29 18:18:15,478 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ada9845a6/19935c688b2244c7876a80c3b11a714d [2023-03-29 18:18:15,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-29 18:18:15,481 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-29 18:18:15,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-29 18:18:15,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-29 18:18:15,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-29 18:18:15,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 06:18:15" (1/1) ... [2023-03-29 18:18:15,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d049679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 06:18:15, skipping insertion in model container [2023-03-29 18:18:15,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 06:18:15" (1/1) ... [2023-03-29 18:18:15,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-29 18:18:15,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-29 18:18:16,345 WARN L247 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i[183784,183797] [2023-03-29 18:18:16,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 18:18:16,433 INFO L203 MainTranslator]: Completed pre-run [2023-03-29 18:18:16,589 WARN L247 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i[183784,183797] [2023-03-29 18:18:16,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-29 18:18:16,638 INFO L208 MainTranslator]: Completed translation [2023-03-29 18:18:16,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 06:18:16 WrapperNode [2023-03-29 18:18:16,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-29 18:18:16,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-29 18:18:16,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-29 18:18:16,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-29 18:18:16,652 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 06:18:16" (1/1) ... [2023-03-29 18:18:16,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 06:18:16" (1/1) ... [2023-03-29 18:18:16,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 06:18:16" (1/1) ... [2023-03-29 18:18:16,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 06:18:16" (1/1) ... [2023-03-29 18:18:16,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 06:18:16" (1/1) ... [2023-03-29 18:18:16,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 06:18:16" (1/1) ... [2023-03-29 18:18:16,751 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 06:18:16" (1/1) ... [2023-03-29 18:18:16,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 06:18:16" (1/1) ... [2023-03-29 18:18:16,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-29 18:18:16,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-29 18:18:16,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-29 18:18:16,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-29 18:18:16,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 06:18:16" (1/1) ... [2023-03-29 18:18:16,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-29 18:18:16,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-29 18:18:16,804 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) [2023-03-29 18:18:16,828 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 [2023-03-29 18:18:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-29 18:18:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-29 18:18:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-03-29 18:18:16,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-03-29 18:18:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-29 18:18:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-29 18:18:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-29 18:18:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-03-29 18:18:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-03-29 18:18:16,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2023-03-29 18:18:16,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-03-29 18:18:16,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2023-03-29 18:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2023-03-29 18:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-29 18:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-03-29 18:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-03-29 18:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-29 18:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2023-03-29 18:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2023-03-29 18:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2023-03-29 18:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2023-03-29 18:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2023-03-29 18:18:16,849 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2023-03-29 18:18:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-29 18:18:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-03-29 18:18:16,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-03-29 18:18:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-29 18:18:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-29 18:18:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-29 18:18:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-29 18:18:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-29 18:18:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-29 18:18:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-03-29 18:18:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-03-29 18:18:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-03-29 18:18:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2023-03-29 18:18:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2023-03-29 18:18:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2023-03-29 18:18:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-03-29 18:18:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-29 18:18:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-29 18:18:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-29 18:18:16,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-03-29 18:18:16,854 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2023-03-29 18:18:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2023-03-29 18:18:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2023-03-29 18:18:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2023-03-29 18:18:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2023-03-29 18:18:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2023-03-29 18:18:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2023-03-29 18:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2023-03-29 18:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2023-03-29 18:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2023-03-29 18:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2023-03-29 18:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2023-03-29 18:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-29 18:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-29 18:18:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-29 18:18:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-29 18:18:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-03-29 18:18:16,857 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2023-03-29 18:18:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-03-29 18:18:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2023-03-29 18:18:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2023-03-29 18:18:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-29 18:18:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-29 18:18:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-29 18:18:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-29 18:18:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-29 18:18:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-29 18:18:16,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-03-29 18:18:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-03-29 18:18:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-03-29 18:18:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-03-29 18:18:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2023-03-29 18:18:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2023-03-29 18:18:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2023-03-29 18:18:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-29 18:18:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-29 18:18:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-29 18:18:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-29 18:18:16,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-29 18:18:16,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-29 18:18:17,170 INFO L236 CfgBuilder]: Building ICFG [2023-03-29 18:18:17,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-29 18:18:17,400 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-03-29 18:18:17,413 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2023-03-29 18:18:17,742 INFO L277 CfgBuilder]: Performing block encoding [2023-03-29 18:18:17,751 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-29 18:18:17,751 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-29 18:18:17,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 06:18:17 BoogieIcfgContainer [2023-03-29 18:18:17,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-29 18:18:17,760 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-29 18:18:17,760 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-29 18:18:17,760 INFO L275 PluginConnector]: Sifa initialized [2023-03-29 18:18:17,761 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 06:18:17" (1/1) ... [2023-03-29 18:18:17,763 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=EqDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=NONE ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-29 18:18:17,836 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-29 18:18:17,836 INFO L166 IcfgInterpreter]: Building call graph [2023-03-29 18:18:17,842 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-29 18:18:17,849 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-29 18:18:17,850 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-29 18:18:19,948 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 384 for LOIs