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.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -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 15:13:56,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:13:56,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:13:56,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:13:56,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:13:56,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:13:56,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:13:56,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:13:56,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:13:56,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:13:56,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:13:56,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:13:56,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:13:56,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:13:56,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:13:56,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:13:56,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:13:56,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:13:56,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:13:56,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:13:56,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:13:56,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:13:56,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:13:56,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:13:56,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:13:56,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:13:56,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:13:56,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:13:56,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:13:56,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:13:56,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:13:56,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:13:56,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:13:56,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:13:56,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:13:56,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:13:56,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:13:56,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:13:56,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:13:56,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:13:56,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:13:56,232 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 15:13:56,247 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:13:56,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:13:56,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:13:56,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:13:56,249 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:13:56,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:13:56,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:13:56,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:13:56,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:13:56,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:13:56,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:13:56,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:13:56,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:13:56,251 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:13:56,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:13:56,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:13:56,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:13:56,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:13:56,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:13:56,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:13:56,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:13:56,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:13:56,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:13:56,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:13:56,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:13:56,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:13:56,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:13:56,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:13:56,254 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-20 15:13:56,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:13:56,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:13:56,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:13:56,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:13:56,304 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:13:56,305 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-20 15:13:56,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f994ae7fc/d5ce7a5e4fd144ffb3852563e985778d/FLAG324d9e8a8 [2019-09-20 15:13:57,105 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:13:57,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-20 15:13:57,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f994ae7fc/d5ce7a5e4fd144ffb3852563e985778d/FLAG324d9e8a8 [2019-09-20 15:13:57,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f994ae7fc/d5ce7a5e4fd144ffb3852563e985778d [2019-09-20 15:13:57,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:13:57,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:13:57,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:13:57,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:13:57,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:13:57,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:13:57" (1/1) ... [2019-09-20 15:13:57,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e819ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:57, skipping insertion in model container [2019-09-20 15:13:57,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:13:57" (1/1) ... [2019-09-20 15:13:57,279 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:13:57,377 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:13:58,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:13:58,361 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:13:58,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:13:58,623 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:13:58,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:58 WrapperNode [2019-09-20 15:13:58,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:13:58,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:13:58,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:13:58,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:13:58,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:58" (1/1) ... [2019-09-20 15:13:58,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:58" (1/1) ... [2019-09-20 15:13:58,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:58" (1/1) ... [2019-09-20 15:13:58,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:58" (1/1) ... [2019-09-20 15:13:58,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:58" (1/1) ... [2019-09-20 15:13:58,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:58" (1/1) ... [2019-09-20 15:13:58,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:58" (1/1) ... [2019-09-20 15:13:58,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:13:58,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:13:58,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:13:58,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:13:58,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:13:58" (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 15:13:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:13:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:13:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 15:13:58,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 15:13:58,830 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-09-20 15:13:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-09-20 15:13:58,831 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-09-20 15:13:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-09-20 15:13:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-09-20 15:13:58,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-09-20 15:13:58,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-09-20 15:13:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-09-20 15:13:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-09-20 15:13:58,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:13:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 15:13:58,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-20 15:13:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-20 15:13:58,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-20 15:13:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-20 15:13:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-20 15:13:58,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 15:13:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-09-20 15:13:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-09-20 15:13:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-20 15:13:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 15:13:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-09-20 15:13:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-09-20 15:13:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 15:13:58,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-20 15:13:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-20 15:13:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-09-20 15:13:58,842 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-09-20 15:13:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-09-20 15:13:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 15:13:58,843 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 15:13:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:13:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 15:13:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-20 15:13:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-09-20 15:13:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-09-20 15:13:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-20 15:13:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-20 15:13:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-20 15:13:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-20 15:13:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-20 15:13:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-09-20 15:13:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-09-20 15:13:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-20 15:13:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-20 15:13:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-09-20 15:13:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-09-20 15:13:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-09-20 15:13:58,850 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-09-20 15:13:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-09-20 15:13:58,851 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-09-20 15:13:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-09-20 15:13:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-09-20 15:13:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:13:58,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:13:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:13:58,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:13:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 15:13:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-09-20 15:13:58,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:13:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 15:13:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-09-20 15:13:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-09-20 15:13:58,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 15:13:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 15:13:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:13:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:13:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 15:13:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-09-20 15:13:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 15:13:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 15:13:58,859 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:13:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 15:13:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:13:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:13:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 15:13:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 15:13:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:13:59,491 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:13:59,592 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 15:13:59,592 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 15:13:59,592 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 15:13:59,593 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 15:13:59,594 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:13:59,621 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-09-20 15:13:59,622 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-09-20 15:13:59,715 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-20 15:14:00,188 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:14:00,188 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 15:14:00,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:00 BoogieIcfgContainer [2019-09-20 15:14:00,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:14:00,190 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:14:00,191 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:14:00,191 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:14:00,192 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:14:00" (1/1) ... [2019-09-20 15:14:00,193 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:14:00,218 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:14:00,218 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:14:00,227 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:14:00,237 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:14:00,239 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:14:00,469 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 99 for LOIs [2019-09-20 15:14:00,740 INFO L199 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 18 for LOIs [2019-09-20 15:14:00,767 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put_2 with input of size 52 for LOIs [2019-09-20 15:14:00,771 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 52 for LOIs [2019-09-20 15:14:00,775 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 1 for LOIs [2019-09-20 15:14:00,777 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 54 for LOIs [2019-09-20 15:14:00,777 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:14:00,777 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:14:00,779 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 (= |#NULL.base| 0) (<= ~ldv_module_refcounter~0 1) (not (= 0 (mod (+ (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$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|))) 8)) (select (select |#memory_$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$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|))) 8))) 4294967296))) (not (= 0 (mod (+ (select (select |#memory_$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$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|))) 8))) 4294967296))) (<= 0 |v_pppox_create_#in~protocol_BEFORE_CALL_6|) (= |#t~string32.offset| 0) (= |~#pppox_proto_family~0.offset| 0) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (<= |v_pppox_create_#in~protocol_BEFORE_CALL_6| 3) (= |#NULL.offset| 0) (not (= (mod (+ (select (select |#memory_$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)))) (not (= 1 ~ldv_module_refcounter~0))) [2019-09-20 15:14:00,792 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:14:00,793 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:14:00,795 INFO L168 Benchmark]: Toolchain (without parser) took 3530.22 ms. Allocated memory was 131.6 MB in the beginning and 281.5 MB in the end (delta: 149.9 MB). Free memory was 81.0 MB in the beginning and 163.4 MB in the end (delta: -82.4 MB). Peak memory consumption was 67.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:14:00,796 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:14:00,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1359.17 ms. Allocated memory was 131.6 MB in the beginning and 222.3 MB in the end (delta: 90.7 MB). Free memory was 80.8 MB in the beginning and 136.0 MB in the end (delta: -55.2 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:14:00,797 INFO L168 Benchmark]: Boogie Preprocessor took 138.04 ms. Allocated memory is still 222.3 MB. Free memory was 136.0 MB in the beginning and 132.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:14:00,798 INFO L168 Benchmark]: RCFGBuilder took 1426.77 ms. Allocated memory was 222.3 MB in the beginning and 281.5 MB in the end (delta: 59.2 MB). Free memory was 132.5 MB in the beginning and 212.9 MB in the end (delta: -80.4 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:14:00,799 INFO L168 Benchmark]: Sifa took 602.41 ms. Allocated memory is still 281.5 MB. Free memory was 211.0 MB in the beginning and 163.4 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:14:00,803 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1359.17 ms. Allocated memory was 131.6 MB in the beginning and 222.3 MB in the end (delta: 90.7 MB). Free memory was 80.8 MB in the beginning and 136.0 MB in the end (delta: -55.2 MB). Peak memory consumption was 40.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.04 ms. Allocated memory is still 222.3 MB. Free memory was 136.0 MB in the beginning and 132.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1426.77 ms. Allocated memory was 222.3 MB in the beginning and 281.5 MB in the end (delta: 59.2 MB). Free memory was 132.5 MB in the beginning and 212.9 MB in the end (delta: -80.4 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. * Sifa took 602.41 ms. Allocated memory is still 281.5 MB. Free memory was 211.0 MB in the beginning and 163.4 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 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]: 561, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 116, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 84, TOOLS_POST_TIME[ms]: 224, TOOLS_POST_CALL_APPLICATIONS: 25, TOOLS_POST_CALL_TIME[ms]: 102, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME[ms]: 49, TOOLS_QUANTIFIERELIM_APPLICATIONS: 127, TOOLS_QUANTIFIERELIM_TIME[ms]: 317, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 151, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 122, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 32, DOMAIN_JOIN_TIME[ms]: 14, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 22, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 67, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 66, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 18, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 301, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 299, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 29, 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 (= |#NULL.base| 0) (<= ~ldv_module_refcounter~0 1) (not (= 0 (mod (+ (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)) (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))) 4294967296))) (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|) (= |#t~string32.offset| 0) (= |~#pppox_proto_family~0.offset| 0) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (<= |v_pppox_create_#in~protocol_BEFORE_CALL_6| 3) (= |#NULL.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)))) (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...