java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:12:28,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:12:28,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:12:28,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:12:28,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:12:28,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:12:28,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:12:28,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:12:28,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:12:28,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:12:28,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:12:28,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:12:28,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:12:28,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:12:28,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:12:28,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:12:28,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:12:28,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:12:28,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:12:28,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:12:28,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:12:28,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:12:28,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:12:28,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:12:28,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:12:28,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:12:28,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:12:28,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:12:28,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:12:28,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:12:28,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:12:28,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:12:28,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:12:28,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:12:28,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:12:28,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:12:28,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:12:28,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:12:28,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:12:28,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:12:28,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:12:28,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 17:12:28,087 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:12:28,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:12:28,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:12:28,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:12:28,089 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:12:28,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:12:28,089 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:12:28,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:12:28,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:12:28,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:12:28,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:12:28,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:12:28,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:12:28,091 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:12:28,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:12:28,091 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:12:28,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:12:28,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:12:28,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:12:28,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:12:28,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:12:28,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:12:28,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:12:28,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:12:28,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:12:28,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:12:28,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:12:28,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:12:28,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:12:28,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:12:28,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:12:28,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:12:28,151 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:12:28,152 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:12:28,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-25 17:12:28,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c44a9cf/b7af965fc2044ed88e3c6d064d86f71b/FLAG1eac92997 [2019-09-25 17:12:28,996 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:12:28,999 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-25 17:12:29,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c44a9cf/b7af965fc2044ed88e3c6d064d86f71b/FLAG1eac92997 [2019-09-25 17:12:29,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23c44a9cf/b7af965fc2044ed88e3c6d064d86f71b [2019-09-25 17:12:29,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:12:29,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:12:29,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:29,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:12:29,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:12:29,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:29" (1/1) ... [2019-09-25 17:12:29,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2837cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:29, skipping insertion in model container [2019-09-25 17:12:29,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:12:29" (1/1) ... [2019-09-25 17:12:29,122 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:12:29,229 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:12:30,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:30,216 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:12:30,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:12:30,452 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:12:30,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:30 WrapperNode [2019-09-25 17:12:30,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:12:30,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:12:30,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:12:30,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:12:30,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:30" (1/1) ... [2019-09-25 17:12:30,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:30" (1/1) ... [2019-09-25 17:12:30,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:30" (1/1) ... [2019-09-25 17:12:30,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:30" (1/1) ... [2019-09-25 17:12:30,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:30" (1/1) ... [2019-09-25 17:12:30,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:30" (1/1) ... [2019-09-25 17:12:30,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:30" (1/1) ... [2019-09-25 17:12:30,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:12:30,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:12:30,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:12:30,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:12:30,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:12:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:12:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:12:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:12:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-25 17:12:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-25 17:12:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-09-25 17:12:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-09-25 17:12:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-09-25 17:12:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-09-25 17:12:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-09-25 17:12:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-09-25 17:12:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-09-25 17:12:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-09-25 17:12:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-09-25 17:12:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:12:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-25 17:12:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-25 17:12:30,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-25 17:12:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-25 17:12:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-25 17:12:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-25 17:12:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-25 17:12:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-09-25 17:12:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-09-25 17:12:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-25 17:12:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-25 17:12:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-09-25 17:12:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-09-25 17:12:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-25 17:12:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-25 17:12:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-25 17:12:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-09-25 17:12:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-09-25 17:12:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-09-25 17:12:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-25 17:12:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-25 17:12:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:12:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-25 17:12:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-25 17:12:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-09-25 17:12:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-09-25 17:12:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-25 17:12:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-25 17:12:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-25 17:12:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-25 17:12:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-25 17:12:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-09-25 17:12:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-09-25 17:12:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-25 17:12:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-25 17:12:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-09-25 17:12:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-09-25 17:12:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-09-25 17:12:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-09-25 17:12:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-09-25 17:12:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-09-25 17:12:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-09-25 17:12:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-09-25 17:12:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:12:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:12:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:12:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:12:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-25 17:12:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-09-25 17:12:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:12:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-25 17:12:30,651 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-09-25 17:12:30,651 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-09-25 17:12:30,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-25 17:12:30,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-25 17:12:30,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:12:30,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:12:30,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-25 17:12:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-09-25 17:12:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-25 17:12:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-25 17:12:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:12:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-25 17:12:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:12:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:12:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-25 17:12:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:12:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:12:31,045 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:12:31,145 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-25 17:12:31,145 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-25 17:12:31,146 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-25 17:12:31,146 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-25 17:12:31,147 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:12:31,171 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-09-25 17:12:31,172 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-09-25 17:12:31,337 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-25 17:12:31,948 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:12:31,948 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 17:12:31,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:31 BoogieIcfgContainer [2019-09-25 17:12:31,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:12:31,950 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:12:31,950 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:12:31,951 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:12:31,952 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:12:31" (1/1) ... [2019-09-25 17:12:31,953 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:12:31,976 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:12:31,976 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:12:31,984 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:12:31,993 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:12:31,994 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:12:32,387 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 99 for LOIs [2019-09-25 17:12:33,203 INFO L199 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 100 for LOIs [2019-09-25 17:12:33,233 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put_2 with input of size 119 for LOIs [2019-09-25 17:12:33,239 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 119 for LOIs [2019-09-25 17:12:33,246 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 15 for LOIs [2019-09-25 17:12:33,251 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 125 for LOIs [2019-09-25 17:12:33,255 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:12:33,255 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:12:33,257 INFO L193 IcfgInterpreter]: Reachable states at location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 206#(or (exists ((|v_pppox_create_#in~protocol_BEFORE_CALL_6| Int)) (and (not (= 0 |~#pppox_protos~0.base|)) (= 1 (select |#valid| |~#pppox_protos~0.base|)) (= 0 |~#pppox_protos~0.offset|) (= 0 |#NULL.base|) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|)))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|))) 8)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|)))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|))) 8))) 4294967296))) (<= 0 |v_pppox_create_#in~protocol_BEFORE_CALL_6|) (= 1 (select |#valid| |#t~string32.base|)) (< |#t~string32.base| |#StackHeapBarrier|) (= 15 (select |#length| |#t~string32.base|)) (= (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 12)) 0) (= 1 (select |#valid| |~#pppox_proto_family~0.base|)) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 4))) (< |~#pppox_protos~0.base| |#StackHeapBarrier|) (= (select |#length| |~#pppox_protos~0.base|) 16) (= |#t~string32.offset| 0) (< |~#pppox_proto_family~0.base| |#StackHeapBarrier|) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 8))) (= |#funAddr~pppox_create.base| (select (select |#memory_$Pointer$.base| |~#pppox_proto_family~0.base|) (+ |~#pppox_proto_family~0.offset| 4))) (<= ~ldv_module_refcounter~0 1) (not (= 0 |~#pppox_proto_family~0.base|)) (= 1 ~LDV_IN_INTERRUPT~0) (= |~#pppox_proto_family~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 4))) (<= |v_pppox_create_#in~protocol_BEFORE_CALL_6| 3) (= |~#__this_module~0.offset| (select (select |#memory_$Pointer$.offset| |~#pppox_proto_family~0.base|) (+ |~#pppox_proto_family~0.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |~#pppox_proto_family~0.base|) (+ |~#pppox_proto_family~0.offset| 4)) |#funAddr~pppox_create.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 12))) (= (select (select |#memory_$Pointer$.base| |~#pppox_proto_family~0.base|) (+ |~#pppox_proto_family~0.offset| 8)) |~#__this_module~0.base|) (= (select |#length| |~#pppox_proto_family~0.base|) 12) (= 0 (select |#valid| 0)) (= 24 (select (select |#memory_int| |~#pppox_proto_family~0.base|) |~#pppox_proto_family~0.offset|)) (not (= 0 |#t~string32.base|)) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 8))) (= (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|) 0) (not (= (mod (+ (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|))) (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|)))) 4294967296) 0)))) (and (= |#NULL.base| 0) (= |#t~string32.offset| 0) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (= |~#pppox_proto_family~0.offset| 0) (= |#NULL.offset| 0) (not (= 1 ~ldv_module_refcounter~0)))) [2019-09-25 17:12:33,276 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:12:33,277 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:12:33,279 INFO L168 Benchmark]: Toolchain (without parser) took 4170.27 ms. Allocated memory was 138.4 MB in the beginning and 274.7 MB in the end (delta: 136.3 MB). Free memory was 79.4 MB in the beginning and 224.3 MB in the end (delta: -144.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:12:33,280 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:12:33,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1344.56 ms. Allocated memory was 138.4 MB in the beginning and 217.6 MB in the end (delta: 79.2 MB). Free memory was 79.2 MB in the beginning and 142.8 MB in the end (delta: -63.6 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:33,282 INFO L168 Benchmark]: Boogie Preprocessor took 90.33 ms. Allocated memory is still 217.6 MB. Free memory was 142.8 MB in the beginning and 138.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:33,283 INFO L168 Benchmark]: RCFGBuilder took 1405.09 ms. Allocated memory was 217.6 MB in the beginning and 270.5 MB in the end (delta: 53.0 MB). Free memory was 138.6 MB in the beginning and 209.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-09-25 17:12:33,284 INFO L168 Benchmark]: Sifa took 1326.54 ms. Allocated memory was 270.5 MB in the beginning and 274.7 MB in the end (delta: 4.2 MB). Free memory was 209.8 MB in the beginning and 224.3 MB in the end (delta: -14.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-25 17:12:33,288 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1344.56 ms. Allocated memory was 138.4 MB in the beginning and 217.6 MB in the end (delta: 79.2 MB). Free memory was 79.2 MB in the beginning and 142.8 MB in the end (delta: -63.6 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.33 ms. Allocated memory is still 217.6 MB. Free memory was 142.8 MB in the beginning and 138.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1405.09 ms. Allocated memory was 217.6 MB in the beginning and 270.5 MB in the end (delta: 53.0 MB). Free memory was 138.6 MB in the beginning and 209.8 MB in the end (delta: -71.2 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * Sifa took 1326.54 ms. Allocated memory was 270.5 MB in the beginning and 274.7 MB in the end (delta: 4.2 MB). Free memory was 209.8 MB in the beginning and 224.3 MB in the end (delta: -14.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1282, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 116, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 84, TOOLS_POST_TIME[ms]: 386, TOOLS_POST_CALL_APPLICATIONS: 25, TOOLS_POST_CALL_TIME[ms]: 94, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME[ms]: 43, TOOLS_QUANTIFIERELIM_APPLICATIONS: 127, TOOLS_QUANTIFIERELIM_TIME[ms]: 460, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 304, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 122, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 32, DOMAIN_JOIN_TIME[ms]: 489, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 64, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 33, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 52, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 324, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 323, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 18, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 555, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 554, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 255, DAG_COMPRESSION_RETAINED_NODES: 129 - UnprovableResult [Line: 4984]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 206#(or (exists ((|v_pppox_create_#in~protocol_BEFORE_CALL_6| Int)) (and (not (= 0 |~#pppox_protos~0.base|)) (= 1 (select |#valid| |~#pppox_protos~0.base|)) (= 0 |~#pppox_protos~0.offset|) (= 0 |#NULL.base|) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|)))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|))) 8)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|)))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|))) 8))) 4294967296))) (<= 0 |v_pppox_create_#in~protocol_BEFORE_CALL_6|) (= 1 (select |#valid| |#t~string32.base|)) (< |#t~string32.base| |#StackHeapBarrier|) (= 15 (select |#length| |#t~string32.base|)) (= (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 12)) 0) (= 1 (select |#valid| |~#pppox_proto_family~0.base|)) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 4))) (< |~#pppox_protos~0.base| |#StackHeapBarrier|) (= (select |#length| |~#pppox_protos~0.base|) 16) (= |#t~string32.offset| 0) (< |~#pppox_proto_family~0.base| |#StackHeapBarrier|) (= 0 (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 8))) (= |#funAddr~pppox_create.base| (select (select |#memory_$Pointer$.base| |~#pppox_proto_family~0.base|) (+ |~#pppox_proto_family~0.offset| 4))) (<= ~ldv_module_refcounter~0 1) (not (= 0 |~#pppox_proto_family~0.base|)) (= 1 ~LDV_IN_INTERRUPT~0) (= |~#pppox_proto_family~0.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 4))) (<= |v_pppox_create_#in~protocol_BEFORE_CALL_6| 3) (= |~#__this_module~0.offset| (select (select |#memory_$Pointer$.offset| |~#pppox_proto_family~0.base|) (+ |~#pppox_proto_family~0.offset| 8))) (= (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |~#pppox_proto_family~0.base|) (+ |~#pppox_proto_family~0.offset| 4)) |#funAddr~pppox_create.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 12))) (= (select (select |#memory_$Pointer$.base| |~#pppox_proto_family~0.base|) (+ |~#pppox_proto_family~0.offset| 8)) |~#__this_module~0.base|) (= (select |#length| |~#pppox_proto_family~0.base|) 12) (= 0 (select |#valid| 0)) (= 24 (select (select |#memory_int| |~#pppox_proto_family~0.base|) |~#pppox_proto_family~0.offset|)) (not (= 0 |#t~string32.base|)) (= |#NULL.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| 8))) (= (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) |~#pppox_protos~0.offset|) 0) (not (= (mod (+ (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|))) (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|)))) 4294967296) 0)))) (and (= |#NULL.base| 0) (= |#t~string32.offset| 0) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (= |~#pppox_proto_family~0.offset| 0) (= |#NULL.offset| 0) (not (= 1 ~ldv_module_refcounter~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...