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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 16:31:50,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 16:31:50,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 16:31:50,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 16:31:50,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 16:31:50,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 16:31:50,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 16:31:50,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 16:31:50,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 16:31:50,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 16:31:50,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 16:31:50,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 16:31:50,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 16:31:50,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 16:31:50,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 16:31:50,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 16:31:50,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 16:31:50,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 16:31:50,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 16:31:50,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 16:31:50,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 16:31:50,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 16:31:50,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 16:31:50,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 16:31:50,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 16:31:50,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 16:31:50,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 16:31:50,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 16:31:50,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 16:31:50,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 16:31:50,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 16:31:50,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 16:31:50,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 16:31:50,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 16:31:50,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 16:31:50,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 16:31:50,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 16:31:50,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 16:31:50,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 16:31:50,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 16:31:50,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 16:31:50,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 16:31:50,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 16:31:50,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 16:31:50,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 16:31:50,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 16:31:50,662 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 16:31:50,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 16:31:50,662 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 16:31:50,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 16:31:50,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 16:31:50,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 16:31:50,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 16:31:50,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 16:31:50,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 16:31:50,664 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 16:31:50,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 16:31:50,664 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 16:31:50,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 16:31:50,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 16:31:50,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 16:31:50,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 16:31:50,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 16:31:50,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:31:50,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 16:31:50,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 16:31:50,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 16:31:50,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 16:31:50,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 16:31:50,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 16:31:50,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-25 16:31:50,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 16:31:50,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 16:31:50,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 16:31:50,732 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 16:31:50,733 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 16:31:50,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-25 16:31:50,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece127197/be27de5ada79479cad8dfcca3522530a/FLAG76e01c25c [2019-09-25 16:31:51,543 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 16:31:51,545 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-25 16:31:51,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece127197/be27de5ada79479cad8dfcca3522530a/FLAG76e01c25c [2019-09-25 16:31:51,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ece127197/be27de5ada79479cad8dfcca3522530a [2019-09-25 16:31:51,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 16:31:51,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 16:31:51,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 16:31:51,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 16:31:51,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 16:31:51,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:31:51" (1/1) ... [2019-09-25 16:31:51,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d85dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:51, skipping insertion in model container [2019-09-25 16:31:51,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:31:51" (1/1) ... [2019-09-25 16:31:51,665 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 16:31:51,770 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 16:31:52,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:31:52,787 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 16:31:52,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 16:31:52,963 INFO L192 MainTranslator]: Completed translation [2019-09-25 16:31:52,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:52 WrapperNode [2019-09-25 16:31:52,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 16:31:52,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 16:31:52,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 16:31:52,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 16:31:52,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:52" (1/1) ... [2019-09-25 16:31:52,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:52" (1/1) ... [2019-09-25 16:31:52,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:52" (1/1) ... [2019-09-25 16:31:53,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:52" (1/1) ... [2019-09-25 16:31:53,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:52" (1/1) ... [2019-09-25 16:31:53,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:52" (1/1) ... [2019-09-25 16:31:53,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:52" (1/1) ... [2019-09-25 16:31:53,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 16:31:53,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 16:31:53,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 16:31:53,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 16:31:53,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:31:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 16:31:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 16:31:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 16:31:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-25 16:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-25 16:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-09-25 16:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-09-25 16:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-09-25 16:31:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-09-25 16:31:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-09-25 16:31:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-09-25 16:31:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-09-25 16:31:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-09-25 16:31:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-09-25 16:31:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 16:31:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-25 16:31:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-25 16:31:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-25 16:31:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-25 16:31:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-25 16:31:53,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-25 16:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-25 16:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-09-25 16:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-09-25 16:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-25 16:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-25 16:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-09-25 16:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-09-25 16:31:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-25 16:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-25 16:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-25 16:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-09-25 16:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-09-25 16:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-09-25 16:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-25 16:31:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-25 16:31:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 16:31:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-25 16:31:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-25 16:31:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-09-25 16:31:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-09-25 16:31:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-25 16:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-25 16:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-25 16:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-25 16:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-25 16:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-09-25 16:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-09-25 16:31:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-25 16:31:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-25 16:31:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-09-25 16:31:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-09-25 16:31:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-09-25 16:31:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-09-25 16:31:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-09-25 16:31:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-09-25 16:31:53,125 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-09-25 16:31:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-09-25 16:31:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 16:31:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 16:31:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 16:31:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 16:31:53,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-25 16:31:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-09-25 16:31:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 16:31:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-25 16:31:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-09-25 16:31:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-09-25 16:31:53,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-25 16:31:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-25 16:31:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 16:31:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 16:31:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-25 16:31:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-09-25 16:31:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-25 16:31:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-25 16:31:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 16:31:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-25 16:31:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 16:31:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 16:31:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-25 16:31:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 16:31:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 16:31:53,654 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 16:31:53,833 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-25 16:31:53,833 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-25 16:31:53,833 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-25 16:31:53,834 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-25 16:31:53,835 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 16:31:53,888 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-09-25 16:31:53,889 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-09-25 16:31:54,066 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-25 16:31:54,789 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 16:31:54,789 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 16:31:54,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:31:54 BoogieIcfgContainer [2019-09-25 16:31:54,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 16:31:54,791 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 16:31:54,792 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 16:31:54,792 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 16:31:54,793 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:31:54" (1/1) ... [2019-09-25 16:31:54,794 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 16:31:54,820 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 16:31:54,820 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 16:31:54,827 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 16:31:54,836 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 16:31:54,837 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 16:31:55,256 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 109 for LOIs [2019-09-25 16:31:56,658 INFO L199 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 30 for LOIs [2019-09-25 16:31:56,686 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put_2 with input of size 60 for LOIs [2019-09-25 16:31:56,691 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 60 for LOIs [2019-09-25 16:31:56,699 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 117 for LOIs [2019-09-25 16:31:56,714 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 63 for LOIs [2019-09-25 16:31:56,724 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 16:31:56,724 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 16:31:56,731 INFO L193 IcfgInterpreter]: Reachable states at location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 325#(or (and (= |#NULL.base| 0) (<= 0 |~#pppox_proto_family~0.offset|) (<= |#NULL.base| 0) (= |~#pppox_proto_family~0.offset| 0) (<= 0 |#NULL.base|) (<= |~#pppox_protos~0.offset| 0) (<= 0 |~#pppox_protos~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |#t~string32.offset| 0) (<= 1 ~LDV_IN_INTERRUPT~0) (<= 0 |#t~string32.offset|) (<= |~#pppox_proto_family~0.offset| 0) (= |#t~string32.offset| 0) (<= ~LDV_IN_INTERRUPT~0 1) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (= |#NULL.offset| 0) (not (= 1 ~ldv_module_refcounter~0))) (exists ((|v_pppox_create_#in~protocol_BEFORE_CALL_6| Int)) (and (= |#NULL.base| 0) (<= 0 |~#pppox_proto_family~0.offset|) (<= ~ldv_module_refcounter~0 1) (<= |#NULL.base| 0) (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$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* 4 |v_pppox_create_#in~protocol_BEFORE_CALL_6|))) 8))) 4294967296))) (<= 0 |v_pppox_create_#in~protocol_BEFORE_CALL_6|) (<= 0 |#NULL.base|) (= |~#pppox_proto_family~0.offset| 0) (<= |v_pppox_create_#in~protocol_BEFORE_CALL_6| 3) (<= |~#pppox_protos~0.offset| 0) (<= 0 |~#pppox_protos~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |#t~string32.offset| 0) (<= 1 ~LDV_IN_INTERRUPT~0) (<= 0 |#t~string32.offset|) (<= |~#pppox_proto_family~0.offset| 0) (= |#t~string32.offset| 0) (<= ~LDV_IN_INTERRUPT~0 1) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (= |#NULL.offset| 0) (not (= (mod (+ (select (select |#memory_$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))))) [2019-09-25 16:31:56,749 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 16:31:56,750 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 16:31:56,753 INFO L168 Benchmark]: Toolchain (without parser) took 5104.50 ms. Allocated memory was 136.8 MB in the beginning and 281.5 MB in the end (delta: 144.7 MB). Free memory was 78.4 MB in the beginning and 100.2 MB in the end (delta: -21.8 MB). Peak memory consumption was 122.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:56,755 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 16:31:56,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1315.82 ms. Allocated memory was 136.8 MB in the beginning and 213.4 MB in the end (delta: 76.5 MB). Free memory was 78.2 MB in the beginning and 138.5 MB in the end (delta: -60.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:56,758 INFO L168 Benchmark]: Boogie Preprocessor took 89.09 ms. Allocated memory is still 213.4 MB. Free memory was 138.5 MB in the beginning and 135.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:56,766 INFO L168 Benchmark]: RCFGBuilder took 1737.38 ms. Allocated memory was 213.4 MB in the beginning and 277.3 MB in the end (delta: 64.0 MB). Free memory was 135.1 MB in the beginning and 216.9 MB in the end (delta: -81.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:56,768 INFO L168 Benchmark]: Sifa took 1958.23 ms. Allocated memory was 277.3 MB in the beginning and 281.5 MB in the end (delta: 4.2 MB). Free memory was 216.9 MB in the beginning and 100.2 MB in the end (delta: 116.7 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. [2019-09-25 16:31:56,779 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 136.8 MB. Free memory was 102.9 MB in the beginning and 102.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1315.82 ms. Allocated memory was 136.8 MB in the beginning and 213.4 MB in the end (delta: 76.5 MB). Free memory was 78.2 MB in the beginning and 138.5 MB in the end (delta: -60.3 MB). Peak memory consumption was 33.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.09 ms. Allocated memory is still 213.4 MB. Free memory was 138.5 MB in the beginning and 135.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1737.38 ms. Allocated memory was 213.4 MB in the beginning and 277.3 MB in the end (delta: 64.0 MB). Free memory was 135.1 MB in the beginning and 216.9 MB in the end (delta: -81.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * Sifa took 1958.23 ms. Allocated memory was 277.3 MB in the beginning and 281.5 MB in the end (delta: 4.2 MB). Free memory was 216.9 MB in the beginning and 100.2 MB in the end (delta: 116.7 MB). Peak memory consumption was 120.9 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]: 1912, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 128, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 94, TOOLS_POST_TIME[ms]: 376, TOOLS_POST_CALL_APPLICATIONS: 26, TOOLS_POST_CALL_TIME[ms]: 111, TOOLS_POST_RETURN_APPLICATIONS: 19, TOOLS_POST_RETURN_TIME[ms]: 68, TOOLS_QUANTIFIERELIM_APPLICATIONS: 139, TOOLS_QUANTIFIERELIM_TIME[ms]: 481, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 266, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 137, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 35, DOMAIN_JOIN_TIME[ms]: 860, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 303, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 34, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 846, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 843, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 19, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 656, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 656, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 255, DAG_COMPRESSION_RETAINED_NODES: 129 - UnprovableResult [Line: 4984]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 325#(or (and (= |#NULL.base| 0) (<= 0 |~#pppox_proto_family~0.offset|) (<= |#NULL.base| 0) (= |~#pppox_proto_family~0.offset| 0) (<= 0 |#NULL.base|) (<= |~#pppox_protos~0.offset| 0) (<= 0 |~#pppox_protos~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |#t~string32.offset| 0) (<= 1 ~LDV_IN_INTERRUPT~0) (<= 0 |#t~string32.offset|) (<= |~#pppox_proto_family~0.offset| 0) (= |#t~string32.offset| 0) (<= ~LDV_IN_INTERRUPT~0 1) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (= |#NULL.offset| 0) (not (= 1 ~ldv_module_refcounter~0))) (exists ((|v_pppox_create_#in~protocol_BEFORE_CALL_6| Int)) (and (= |#NULL.base| 0) (<= 0 |~#pppox_proto_family~0.offset|) (<= ~ldv_module_refcounter~0 1) (<= |#NULL.base| 0) (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|) (<= 0 |#NULL.base|) (= |~#pppox_proto_family~0.offset| 0) (<= |v_pppox_create_#in~protocol_BEFORE_CALL_6| 3) (<= |~#pppox_protos~0.offset| 0) (<= 0 |~#pppox_protos~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |#t~string32.offset| 0) (<= 1 ~LDV_IN_INTERRUPT~0) (<= 0 |#t~string32.offset|) (<= |~#pppox_proto_family~0.offset| 0) (= |#t~string32.offset| 0) (<= ~LDV_IN_INTERRUPT~0 1) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (= |#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))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...