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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:44:35,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:44:35,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:44:35,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:44:35,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:44:35,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:44:35,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:44:35,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:44:35,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:44:35,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:44:35,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:44:35,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:44:35,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:44:35,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:44:35,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:44:35,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:44:35,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:44:35,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:44:35,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:44:35,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:44:35,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:44:35,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:44:35,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:44:35,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:44:35,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:44:35,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:44:35,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:44:35,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:44:35,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:44:35,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:44:35,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:44:35,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:44:35,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:44:35,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:44:35,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:44:35,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:44:35,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:44:35,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:44:35,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:44:35,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:44:35,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:44:35,615 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 17:44:35,655 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:44:35,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:44:35,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:44:35,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:44:35,659 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:44:35,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:44:35,659 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:44:35,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:44:35,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:44:35,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:44:35,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:44:35,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:44:35,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:44:35,661 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:44:35,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:44:35,661 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:44:35,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:44:35,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:44:35,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:44:35,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:44:35,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:44:35,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:44:35,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:44:35,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:44:35,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:44:35,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:44:35,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:44:35,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:44:35,663 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:44:35,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:44:35,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:44:35,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:44:35,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:44:35,716 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:44:35,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-20 17:44:35,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c05560bff/f6fab6cb4a2d4f26ab40979807df378a/FLAGc325f4156 [2019-09-20 17:44:36,499 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:44:36,499 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-20 17:44:36,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c05560bff/f6fab6cb4a2d4f26ab40979807df378a/FLAGc325f4156 [2019-09-20 17:44:36,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c05560bff/f6fab6cb4a2d4f26ab40979807df378a [2019-09-20 17:44:36,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:44:36,636 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:44:36,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:44:36,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:44:36,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:44:36,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:44:36" (1/1) ... [2019-09-20 17:44:36,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d58fe9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:36, skipping insertion in model container [2019-09-20 17:44:36,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:44:36" (1/1) ... [2019-09-20 17:44:36,651 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:44:36,750 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:44:37,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:44:37,742 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:44:37,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:44:38,016 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:44:38,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:38 WrapperNode [2019-09-20 17:44:38,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:44:38,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:44:38,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:44:38,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:44:38,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:38" (1/1) ... [2019-09-20 17:44:38,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:38" (1/1) ... [2019-09-20 17:44:38,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:38" (1/1) ... [2019-09-20 17:44:38,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:38" (1/1) ... [2019-09-20 17:44:38,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:38" (1/1) ... [2019-09-20 17:44:38,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:38" (1/1) ... [2019-09-20 17:44:38,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:38" (1/1) ... [2019-09-20 17:44:38,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:44:38,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:44:38,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:44:38,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:44:38,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:44:38" (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 17:44:38,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:44:38,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:44:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 17:44:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 17:44:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-09-20 17:44:38,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-09-20 17:44:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-09-20 17:44:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-09-20 17:44:38,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-09-20 17:44:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-09-20 17:44:38,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-09-20 17:44:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-09-20 17:44:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-09-20 17:44:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:44:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 17:44:38,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-20 17:44:38,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-20 17:44:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-20 17:44:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-20 17:44:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-20 17:44:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 17:44:38,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-09-20 17:44:38,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-09-20 17:44:38,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-20 17:44:38,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 17:44:38,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-09-20 17:44:38,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-09-20 17:44:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 17:44:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-20 17:44:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-20 17:44:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-09-20 17:44:38,223 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-09-20 17:44:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-09-20 17:44:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 17:44:38,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 17:44:38,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:44:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 17:44:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-20 17:44:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-09-20 17:44:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-09-20 17:44:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-20 17:44:38,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-20 17:44:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-20 17:44:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-20 17:44:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-20 17:44:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-09-20 17:44:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-09-20 17:44:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-20 17:44:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-20 17:44:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-09-20 17:44:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-09-20 17:44:38,228 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-09-20 17:44:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-09-20 17:44:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-09-20 17:44:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-09-20 17:44:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-09-20 17:44:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-09-20 17:44:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:44:38,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:44:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:44:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:44:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 17:44:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-09-20 17:44:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:44:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 17:44:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-09-20 17:44:38,232 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-09-20 17:44:38,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 17:44:38,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 17:44:38,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:44:38,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:44:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 17:44:38,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-09-20 17:44:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 17:44:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 17:44:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:44:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 17:44:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:44:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:44:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 17:44:38,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 17:44:38,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:44:38,784 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:44:38,880 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 17:44:38,880 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 17:44:38,880 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 17:44:38,880 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 17:44:38,882 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:44:38,915 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-09-20 17:44:38,916 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-09-20 17:44:39,029 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-20 17:44:39,671 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:44:39,671 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 17:44:39,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:44:39 BoogieIcfgContainer [2019-09-20 17:44:39,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:44:39,673 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:44:39,673 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:44:39,673 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:44:39,675 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:44:39" (1/1) ... [2019-09-20 17:44:39,675 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:44:39,707 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:44:39,707 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:44:39,716 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:44:39,732 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:44:39,734 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:44:40,096 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 17:44:40,397 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-20 17:44:40,532 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:44:40,648 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:44:41,053 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-20 17:44:41,060 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 95 for LOIs [2019-09-20 17:44:41,514 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2019-09-20 17:44:41,674 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 17:44:42,160 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 112 [2019-09-20 17:44:43,339 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-20 17:44:43,840 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-20 17:44:44,108 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2019-09-20 17:44:44,309 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:44:44,620 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-20 17:44:44,902 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2019-09-20 17:44:45,027 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 17:44:45,316 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2019-09-20 17:44:45,488 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:44:45,672 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 17:44:46,001 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2019-09-20 17:44:46,174 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:44:46,322 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:44:46,664 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 84 [2019-09-20 17:44:47,003 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 107 [2019-09-20 17:44:47,144 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 17:44:47,557 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 110 [2019-09-20 17:44:47,998 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 108 [2019-09-20 17:44:48,163 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 17:44:48,546 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2019-09-20 17:44:48,712 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:44:48,887 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:44:49,289 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2019-09-20 17:44:49,739 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 125 [2019-09-20 17:44:49,945 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 17:44:50,422 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 125 [2019-09-20 17:44:50,739 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 107 [2019-09-20 17:44:50,885 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 17:44:51,287 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 110 [2019-09-20 17:44:51,711 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 108 [2019-09-20 17:44:51,860 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 17:44:52,205 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2019-09-20 17:44:52,421 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:44:52,595 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 17:44:52,989 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2019-09-20 17:44:53,766 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2019-09-20 17:44:54,152 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 17:44:54,297 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-09-20 17:44:55,090 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 115 [2019-09-20 17:44:55,887 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2019-09-20 17:44:56,253 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 17:44:56,400 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2019-09-20 17:44:57,218 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 113 [2019-09-20 17:44:57,733 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:44:57,907 INFO L199 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 98 for LOIs [2019-09-20 17:44:57,939 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put_2 with input of size 123 for LOIs [2019-09-20 17:44:57,946 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 145 for LOIs [2019-09-20 17:44:57,958 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 18 for LOIs [2019-09-20 17:44:58,090 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 21 for LOIs [2019-09-20 17:44:58,199 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:44:58,199 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:44:58,201 INFO L193 IcfgInterpreter]: Reachable states at location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 268#(and (<= |#NULL.base| 0) (= |~#pppox_proto_family~0.offset| 0) (<= 0 |#NULL.base|) (<= |~#pppox_protos~0.offset| 0) (<= 0 |~#pppox_protos~0.offset|) (<= 1 ~LDV_IN_INTERRUPT~0) (= |#t~string32.offset| 0) (<= ~LDV_IN_INTERRUPT~0 1) (= |#NULL.offset| 0) (not (= 1 ~ldv_module_refcounter~0))) [2019-09-20 17:44:58,217 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:44:58,217 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:44:58,219 INFO L168 Benchmark]: Toolchain (without parser) took 21583.22 ms. Allocated memory was 133.7 MB in the beginning and 550.5 MB in the end (delta: 416.8 MB). Free memory was 80.1 MB in the beginning and 343.5 MB in the end (delta: -263.4 MB). Peak memory consumption was 153.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:44:58,220 INFO L168 Benchmark]: CDTParser took 1.15 ms. Allocated memory is still 133.7 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:44:58,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1379.81 ms. Allocated memory was 133.7 MB in the beginning and 214.4 MB in the end (delta: 80.7 MB). Free memory was 79.9 MB in the beginning and 140.1 MB in the end (delta: -60.2 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-09-20 17:44:58,222 INFO L168 Benchmark]: Boogie Preprocessor took 113.29 ms. Allocated memory is still 214.4 MB. Free memory was 140.1 MB in the beginning and 133.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-09-20 17:44:58,223 INFO L168 Benchmark]: RCFGBuilder took 1541.71 ms. Allocated memory was 214.4 MB in the beginning and 276.3 MB in the end (delta: 61.9 MB). Free memory was 133.3 MB in the beginning and 216.2 MB in the end (delta: -82.9 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2019-09-20 17:44:58,223 INFO L168 Benchmark]: Sifa took 18544.63 ms. Allocated memory was 276.3 MB in the beginning and 550.5 MB in the end (delta: 274.2 MB). Free memory was 216.2 MB in the beginning and 343.5 MB in the end (delta: -127.4 MB). Peak memory consumption was 146.8 MB. Max. memory is 7.1 GB. [2019-09-20 17:44:58,227 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 ms. Allocated memory is still 133.7 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1379.81 ms. Allocated memory was 133.7 MB in the beginning and 214.4 MB in the end (delta: 80.7 MB). Free memory was 79.9 MB in the beginning and 140.1 MB in the end (delta: -60.2 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.29 ms. Allocated memory is still 214.4 MB. Free memory was 140.1 MB in the beginning and 133.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1541.71 ms. Allocated memory was 214.4 MB in the beginning and 276.3 MB in the end (delta: 61.9 MB). Free memory was 133.3 MB in the beginning and 216.2 MB in the end (delta: -82.9 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * Sifa took 18544.63 ms. Allocated memory was 276.3 MB in the beginning and 550.5 MB in the end (delta: 274.2 MB). Free memory was 216.2 MB in the beginning and 343.5 MB in the end (delta: -127.4 MB). Peak memory consumption was 146.8 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]: 18494, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 116, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 84, TOOLS_POST_TIME[ms]: 682, TOOLS_POST_CALL_APPLICATIONS: 25, TOOLS_POST_CALL_TIME[ms]: 97, TOOLS_POST_RETURN_APPLICATIONS: 18, TOOLS_POST_RETURN_TIME[ms]: 46, TOOLS_QUANTIFIERELIM_APPLICATIONS: 127, TOOLS_QUANTIFIERELIM_TIME[ms]: 767, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 607, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 122, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 32, DOMAIN_JOIN_TIME[ms]: 15601, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1902, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 36, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7324, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7323, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 18, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5840, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5839, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 20, 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 268#(and (<= |#NULL.base| 0) (= |~#pppox_proto_family~0.offset| 0) (<= 0 |#NULL.base|) (<= |~#pppox_protos~0.offset| 0) (<= 0 |~#pppox_protos~0.offset|) (<= 1 ~LDV_IN_INTERRUPT~0) (= |#t~string32.offset| 0) (<= ~LDV_IN_INTERRUPT~0 1) (= |#NULL.offset| 0) (not (= 1 ~ldv_module_refcounter~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...