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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:45:10,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:45:10,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:45:10,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:45:10,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:45:10,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:45:10,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:45:10,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:45:10,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:45:10,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:45:10,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:45:10,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:45:10,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:45:10,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:45:10,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:45:10,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:45:10,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:45:10,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:45:10,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:45:10,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:45:10,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:45:10,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:45:10,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:45:10,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:45:10,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:45:10,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:45:10,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:45:10,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:45:10,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:45:10,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:45:10,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:45:10,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:45:10,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:45:10,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:45:10,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:45:10,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:45:10,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:45:10,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:45:10,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:45:10,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:45:10,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:45:10,597 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 [2019-09-20 21:45:10,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:45:10,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:45:10,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:45:10,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:45:10,621 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:45:10,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:45:10,621 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:45:10,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:45:10,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:45:10,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:45:10,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:45:10,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:45:10,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:45:10,624 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:45:10,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:45:10,624 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:45:10,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:45:10,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:45:10,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:45:10,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:45:10,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:45:10,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:45:10,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:45:10,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:45:10,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:45:10,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:45:10,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:45:10,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:45:10,627 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 -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 21:45:10,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:45:10,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:45:10,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:45:10,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:45:10,685 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:45:10,686 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-20 21:45:10,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae75a34d/69a4677ea0e747fa82ae50bbe1e71430/FLAG24f50c369 [2019-09-20 21:45:11,448 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:45:11,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-20 21:45:11,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae75a34d/69a4677ea0e747fa82ae50bbe1e71430/FLAG24f50c369 [2019-09-20 21:45:11,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ae75a34d/69a4677ea0e747fa82ae50bbe1e71430 [2019-09-20 21:45:11,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:45:11,567 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:45:11,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:45:11,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:45:11,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:45:11,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:45:11" (1/1) ... [2019-09-20 21:45:11,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab6824a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:11, skipping insertion in model container [2019-09-20 21:45:11,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:45:11" (1/1) ... [2019-09-20 21:45:11,583 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:45:11,687 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:45:12,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:45:12,596 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:45:12,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:45:12,816 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:45:12,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:12 WrapperNode [2019-09-20 21:45:12,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:45:12,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:45:12,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:45:12,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:45:12,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:12" (1/1) ... [2019-09-20 21:45:12,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:12" (1/1) ... [2019-09-20 21:45:12,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:12" (1/1) ... [2019-09-20 21:45:12,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:12" (1/1) ... [2019-09-20 21:45:12,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:12" (1/1) ... [2019-09-20 21:45:12,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:12" (1/1) ... [2019-09-20 21:45:12,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:12" (1/1) ... [2019-09-20 21:45:12,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:45:12,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:45:12,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:45:12,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:45:12,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:45:12" (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 [2019-09-20 21:45:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:45:12,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:45:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 21:45:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 21:45:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-09-20 21:45:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-09-20 21:45:12,957 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-09-20 21:45:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-09-20 21:45:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-09-20 21:45:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-09-20 21:45:12,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-09-20 21:45:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-09-20 21:45:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-09-20 21:45:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:45:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 21:45:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-20 21:45:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-20 21:45:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-20 21:45:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-20 21:45:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-20 21:45:12,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 21:45:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-09-20 21:45:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-09-20 21:45:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-20 21:45:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 21:45:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-09-20 21:45:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-09-20 21:45:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 21:45:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-20 21:45:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-20 21:45:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-09-20 21:45:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-09-20 21:45:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-09-20 21:45:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 21:45:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 21:45:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:45:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 21:45:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-20 21:45:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-09-20 21:45:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-09-20 21:45:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-20 21:45:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-20 21:45:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-20 21:45:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-20 21:45:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-20 21:45:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-09-20 21:45:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-09-20 21:45:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-20 21:45:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-20 21:45:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-09-20 21:45:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-09-20 21:45:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-09-20 21:45:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-09-20 21:45:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-09-20 21:45:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-09-20 21:45:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-09-20 21:45:12,966 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-09-20 21:45:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:45:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:45:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:45:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:45:12,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 21:45:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-09-20 21:45:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 21:45:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 21:45:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-09-20 21:45:12,968 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-09-20 21:45:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 21:45:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 21:45:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:45:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:45:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 21:45:12,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-09-20 21:45:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 21:45:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 21:45:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:45:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 21:45:12,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:45:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:45:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 21:45:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 21:45:12,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:45:13,287 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:45:13,390 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 21:45:13,390 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 21:45:13,390 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 21:45:13,391 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 21:45:13,393 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:45:13,429 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-09-20 21:45:13,429 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-09-20 21:45:13,520 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-20 21:45:13,932 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:45:13,932 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 21:45:13,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:45:13 BoogieIcfgContainer [2019-09-20 21:45:13,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:45:13,934 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:45:13,935 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:45:13,935 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:45:13,936 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:45:13" (1/1) ... [2019-09-20 21:45:13,936 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:45:13,957 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:45:13,957 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:45:13,965 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:45:13,973 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:45:13,975 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:45:14,191 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:45:14,340 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:45:14,598 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 21:45:14,858 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-20 21:45:14,864 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 93 for LOIs [2019-09-20 21:45:15,004 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 21:45:15,268 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 21:45:15,448 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 21:45:15,589 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 21:45:15,719 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 21:45:15,848 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 21:45:16,188 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2019-09-20 21:45:16,360 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:45:17,392 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2019-09-20 21:45:17,924 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 21:45:18,509 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 21:45:18,958 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2019-09-20 21:45:19,096 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:45:19,938 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-09-20 21:45:20,069 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 21:45:20,214 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:45:20,344 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:45:21,289 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-09-20 21:45:21,680 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 21:45:22,237 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 21:45:22,636 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2019-09-20 21:45:22,777 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 21:45:23,121 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2019-09-20 21:45:23,262 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:45:23,658 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2019-09-20 21:45:23,793 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 21:45:23,954 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:45:24,099 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:45:24,796 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 111 [2019-09-20 21:45:25,171 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:45:25,332 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 21:45:25,441 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 21:45:25,754 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 21:45:25,858 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 21:45:25,961 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 21:45:26,741 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2019-09-20 21:45:27,065 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 21:45:28,015 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2019-09-20 21:45:28,110 INFO L199 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 97 for LOIs [2019-09-20 21:45:28,145 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put_2 with input of size 1 for LOIs [2019-09-20 21:45:28,147 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 1 for LOIs [2019-09-20 21:45:28,149 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 19 for LOIs [2019-09-20 21:45:28,211 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 19 for LOIs [2019-09-20 21:45:28,241 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:45:28,241 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:45:28,243 INFO L193 IcfgInterpreter]: Reachable states at location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 196#(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))) [2019-09-20 21:45:28,260 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:45:28,260 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:45:28,262 INFO L168 Benchmark]: Toolchain (without parser) took 16694.80 ms. Allocated memory was 133.7 MB in the beginning and 556.8 MB in the end (delta: 423.1 MB). Free memory was 82.4 MB in the beginning and 369.5 MB in the end (delta: -287.1 MB). Peak memory consumption was 136.0 MB. Max. memory is 7.1 GB. [2019-09-20 21:45:28,263 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:45:28,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1249.97 ms. Allocated memory was 133.7 MB in the beginning and 227.0 MB in the end (delta: 93.3 MB). Free memory was 82.2 MB in the beginning and 143.4 MB in the end (delta: -61.2 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-09-20 21:45:28,264 INFO L168 Benchmark]: Boogie Preprocessor took 76.50 ms. Allocated memory is still 227.0 MB. Free memory was 143.4 MB in the beginning and 139.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-20 21:45:28,265 INFO L168 Benchmark]: RCFGBuilder took 1039.30 ms. Allocated memory was 227.0 MB in the beginning and 276.3 MB in the end (delta: 49.3 MB). Free memory was 139.1 MB in the beginning and 209.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. [2019-09-20 21:45:28,266 INFO L168 Benchmark]: Sifa took 14325.67 ms. Allocated memory was 276.3 MB in the beginning and 556.8 MB in the end (delta: 280.5 MB). Free memory was 209.3 MB in the beginning and 369.5 MB in the end (delta: -160.2 MB). Peak memory consumption was 120.3 MB. Max. memory is 7.1 GB. [2019-09-20 21:45:28,270 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 107.0 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1249.97 ms. Allocated memory was 133.7 MB in the beginning and 227.0 MB in the end (delta: 93.3 MB). Free memory was 82.2 MB in the beginning and 143.4 MB in the end (delta: -61.2 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.50 ms. Allocated memory is still 227.0 MB. Free memory was 143.4 MB in the beginning and 139.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1039.30 ms. Allocated memory was 227.0 MB in the beginning and 276.3 MB in the end (delta: 49.3 MB). Free memory was 139.1 MB in the beginning and 209.3 MB in the end (delta: -70.2 MB). Peak memory consumption was 78.9 MB. Max. memory is 7.1 GB. * Sifa took 14325.67 ms. Allocated memory was 276.3 MB in the beginning and 556.8 MB in the end (delta: 280.5 MB). Free memory was 209.3 MB in the beginning and 369.5 MB in the end (delta: -160.2 MB). Peak memory consumption was 120.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 14287, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 112, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 82, TOOLS_POST_TIME[ms]: 76, TOOLS_POST_CALL_APPLICATIONS: 24, TOOLS_POST_CALL_TIME[ms]: 76, TOOLS_POST_RETURN_APPLICATIONS: 17, TOOLS_POST_RETURN_TIME[ms]: 539, TOOLS_QUANTIFIERELIM_APPLICATIONS: 110, TOOLS_QUANTIFIERELIM_TIME[ms]: 634, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 517, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 118, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 29, DOMAIN_JOIN_TIME[ms]: 11880, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1492, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME[ms]: 82, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5960, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5959, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 17, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6454, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 25, DAG_COMPRESSION_PROCESSED_NODES: 251, DAG_COMPRESSION_RETAINED_NODES: 127 - 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 196#(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...