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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --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 22:40:00,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:40:00,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:40:00,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:40:00,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:40:00,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:40:00,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:40:00,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:40:00,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:40:00,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:40:00,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:40:00,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:40:00,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:40:00,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:40:00,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:40:00,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:40:00,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:40:00,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:40:00,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:40:00,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:40:00,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:40:00,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:40:00,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:40:00,173 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:40:00,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:40:00,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:40:00,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:40:00,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:40:00,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:40:00,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:40:00,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:40:00,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:40:00,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:40:00,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:40:00,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:40:00,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:40:00,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:40:00,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:40:00,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:40:00,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:40:00,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:40:00,185 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 22:40:00,199 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:40:00,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:40:00,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:40:00,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:40:00,201 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:40:00,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:40:00,202 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:40:00,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:40:00,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:40:00,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:40:00,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:40:00,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:40:00,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:40:00,203 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:40:00,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:40:00,203 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:40:00,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:40:00,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:40:00,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:40:00,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:40:00,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:40:00,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:40:00,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:40:00,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:40:00,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:40:00,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:40:00,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:40:00,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:40:00,206 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:40:00,259 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:40:00,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:40:00,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:40:00,277 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:40:00,278 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:40:00,279 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-20 22:40:00,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673204f58/c355fc0974624541b173e1dfb5a23599/FLAG436f9a2c7 [2019-09-20 22:40:01,076 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:40:01,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-20 22:40:01,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673204f58/c355fc0974624541b173e1dfb5a23599/FLAG436f9a2c7 [2019-09-20 22:40:01,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/673204f58/c355fc0974624541b173e1dfb5a23599 [2019-09-20 22:40:01,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:40:01,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:40:01,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:40:01,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:40:01,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:40:01,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:40:01" (1/1) ... [2019-09-20 22:40:01,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed7b8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:40:01, skipping insertion in model container [2019-09-20 22:40:01,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:40:01" (1/1) ... [2019-09-20 22:40:01,198 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:40:01,310 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:40:02,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:40:02,305 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:40:02,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:40:02,510 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:40:02,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:40:02 WrapperNode [2019-09-20 22:40:02,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:40:02,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:40:02,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:40:02,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:40:02,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:40:02" (1/1) ... [2019-09-20 22:40:02,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:40:02" (1/1) ... [2019-09-20 22:40:02,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:40:02" (1/1) ... [2019-09-20 22:40:02,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:40:02" (1/1) ... [2019-09-20 22:40:02,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:40:02" (1/1) ... [2019-09-20 22:40:02,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:40:02" (1/1) ... [2019-09-20 22:40:02,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:40:02" (1/1) ... [2019-09-20 22:40:02,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:40:02,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:40:02,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:40:02,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:40:02,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:40:02" (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 22:40:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:40:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:40:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 22:40:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 22:40:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-09-20 22:40:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-09-20 22:40:02,690 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-09-20 22:40:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-09-20 22:40:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-09-20 22:40:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-09-20 22:40:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-09-20 22:40:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-09-20 22:40:02,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-09-20 22:40:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:40:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 22:40:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-20 22:40:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-20 22:40:02,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-20 22:40:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-20 22:40:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-20 22:40:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 22:40:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-09-20 22:40:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-09-20 22:40:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-20 22:40:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 22:40:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-09-20 22:40:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-09-20 22:40:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 22:40:02,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-20 22:40:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-20 22:40:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-09-20 22:40:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-09-20 22:40:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-09-20 22:40:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 22:40:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 22:40:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:40:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 22:40:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-20 22:40:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-09-20 22:40:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-09-20 22:40:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-20 22:40:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-20 22:40:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-20 22:40:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-20 22:40:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-20 22:40:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-09-20 22:40:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-09-20 22:40:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-20 22:40:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-20 22:40:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-09-20 22:40:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-09-20 22:40:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-09-20 22:40:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-09-20 22:40:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-09-20 22:40:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-09-20 22:40:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-09-20 22:40:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-09-20 22:40:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:40:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:40:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:40:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:40:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 22:40:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-09-20 22:40:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:40:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 22:40:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-09-20 22:40:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-09-20 22:40:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 22:40:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 22:40:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:40:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:40:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 22:40:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-09-20 22:40:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 22:40:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 22:40:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:40:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 22:40:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:40:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:40:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 22:40:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 22:40:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:40:03,085 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:40:03,204 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 22:40:03,205 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 22:40:03,205 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 22:40:03,205 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 22:40:03,206 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:40:03,268 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-09-20 22:40:03,269 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-09-20 22:40:03,387 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-20 22:40:03,857 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:40:03,857 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 22:40:03,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:40:03 BoogieIcfgContainer [2019-09-20 22:40:03,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:40:03,859 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:40:03,860 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:40:03,860 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:40:03,861 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:40:03" (1/1) ... [2019-09-20 22:40:03,862 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:40:03,887 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:40:03,887 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:40:03,897 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:40:03,906 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:40:03,907 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:40:04,267 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 22:40:04,576 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-20 22:40:04,694 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 22:40:04,802 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 22:40:04,810 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 7 for LOIs [2019-09-20 22:40:05,307 INFO L199 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 3 for LOIs [2019-09-20 22:40:05,324 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put_2 with input of size 3 for LOIs [2019-09-20 22:40:05,327 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 3 for LOIs [2019-09-20 22:40:05,330 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 1 for LOIs [2019-09-20 22:40:05,340 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 1 for LOIs [2019-09-20 22:40:05,344 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:40:05,344 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:40:05,347 INFO L193 IcfgInterpreter]: Reachable states at location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 300#true [2019-09-20 22:40:05,362 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:40:05,362 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:40:05,366 INFO L168 Benchmark]: Toolchain (without parser) took 4185.42 ms. Allocated memory was 141.6 MB in the beginning and 277.3 MB in the end (delta: 135.8 MB). Free memory was 82.4 MB in the beginning and 207.1 MB in the end (delta: -124.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:40:05,367 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:40:05,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1330.75 ms. Allocated memory was 141.6 MB in the beginning and 231.7 MB in the end (delta: 90.2 MB). Free memory was 82.2 MB in the beginning and 147.4 MB in the end (delta: -65.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:40:05,370 INFO L168 Benchmark]: Boogie Preprocessor took 118.63 ms. Allocated memory is still 231.7 MB. Free memory was 147.4 MB in the beginning and 144.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:40:05,377 INFO L168 Benchmark]: RCFGBuilder took 1228.27 ms. Allocated memory was 231.7 MB in the beginning and 273.7 MB in the end (delta: 41.9 MB). Free memory was 144.0 MB in the beginning and 206.2 MB in the end (delta: -62.2 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:40:05,378 INFO L168 Benchmark]: Sifa took 1503.23 ms. Allocated memory was 273.7 MB in the beginning and 277.3 MB in the end (delta: 3.7 MB). Free memory was 206.2 MB in the beginning and 207.1 MB in the end (delta: -962.8 kB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:40:05,390 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1330.75 ms. Allocated memory was 141.6 MB in the beginning and 231.7 MB in the end (delta: 90.2 MB). Free memory was 82.2 MB in the beginning and 147.4 MB in the end (delta: -65.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.63 ms. Allocated memory is still 231.7 MB. Free memory was 147.4 MB in the beginning and 144.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1228.27 ms. Allocated memory was 231.7 MB in the beginning and 273.7 MB in the end (delta: 41.9 MB). Free memory was 144.0 MB in the beginning and 206.2 MB in the end (delta: -62.2 MB). Peak memory consumption was 79.2 MB. Max. memory is 7.1 GB. * Sifa took 1503.23 ms. Allocated memory was 273.7 MB in the beginning and 277.3 MB in the end (delta: 3.7 MB). Free memory was 206.2 MB in the beginning and 207.1 MB in the end (delta: -962.8 kB). Peak memory consumption was 2.7 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]: 1460, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 110, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 78, TOOLS_POST_TIME[ms]: 687, TOOLS_POST_CALL_APPLICATIONS: 25, TOOLS_POST_CALL_TIME[ms]: 34, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME[ms]: 18, TOOLS_QUANTIFIERELIM_APPLICATIONS: 121, TOOLS_QUANTIFIERELIM_TIME[ms]: 663, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 603, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 114, FLUID_YES_ANSWERS: 114, DOMAIN_JOIN_APPLICATIONS: 30, DOMAIN_JOIN_TIME[ms]: 441, DOMAIN_ALPHA_APPLICATIONS: 114, DOMAIN_ALPHA_TIME[ms]: 156, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 16, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 66, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 66, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 18, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1187, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1185, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 24, 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 300#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...