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 IntervalDomain --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 16:45:00,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:45:00,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:45:00,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:45:00,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:45:00,731 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:45:00,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:45:00,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:45:00,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:45:00,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:45:00,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:45:00,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:45:00,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:45:00,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:45:00,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:45:00,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:45:00,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:45:00,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:45:00,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:45:00,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:45:00,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:45:00,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:45:00,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:45:00,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:45:00,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:45:00,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:45:00,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:45:00,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:45:00,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:45:00,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:45:00,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:45:00,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:45:00,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:45:00,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:45:00,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:45:00,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:45:00,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:45:00,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:45:00,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:45:00,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:45:00,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:45:00,784 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 16:45:00,798 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:45:00,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:45:00,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:45:00,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:45:00,800 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:45:00,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:45:00,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:45:00,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:45:00,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:45:00,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:45:00,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:45:00,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:45:00,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:45:00,802 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:45:00,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:45:00,802 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:45:00,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:45:00,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:45:00,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:45:00,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:45:00,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:45:00,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:45:00,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:45:00,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:45:00,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:45:00,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:45:00,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:45:00,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:45:00,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 16:45:00,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:45:00,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:45:00,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:45:00,855 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:45:00,855 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:45:00,856 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-20 16:45:00,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d39b82c/c8f3b8f5d9d04ab7ac56cc411af5f891/FLAG83b1f65ec [2019-09-20 16:45:01,655 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:45:01,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-20 16:45:01,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d39b82c/c8f3b8f5d9d04ab7ac56cc411af5f891/FLAG83b1f65ec [2019-09-20 16:45:01,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d39b82c/c8f3b8f5d9d04ab7ac56cc411af5f891 [2019-09-20 16:45:01,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:45:01,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:45:01,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:45:01,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:45:01,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:45:01,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:45:01" (1/1) ... [2019-09-20 16:45:01,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ece1a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:45:01, skipping insertion in model container [2019-09-20 16:45:01,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:45:01" (1/1) ... [2019-09-20 16:45:01,787 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:45:01,872 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:45:02,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:45:02,869 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:45:03,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:45:03,179 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:45:03,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:45:03 WrapperNode [2019-09-20 16:45:03,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:45:03,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:45:03,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:45:03,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:45:03,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:45:03" (1/1) ... [2019-09-20 16:45:03,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:45:03" (1/1) ... [2019-09-20 16:45:03,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:45:03" (1/1) ... [2019-09-20 16:45:03,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:45:03" (1/1) ... [2019-09-20 16:45:03,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:45:03" (1/1) ... [2019-09-20 16:45:03,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:45:03" (1/1) ... [2019-09-20 16:45:03,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:45:03" (1/1) ... [2019-09-20 16:45:03,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:45:03,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:45:03,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:45:03,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:45:03,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:45:03" (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 16:45:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:45:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:45:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 16:45:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 16:45:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-09-20 16:45:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-09-20 16:45:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-09-20 16:45:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-09-20 16:45:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-09-20 16:45:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-09-20 16:45:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-09-20 16:45:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-09-20 16:45:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-09-20 16:45:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:45:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-20 16:45:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-20 16:45:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-20 16:45:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-20 16:45:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-20 16:45:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-20 16:45:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 16:45:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-09-20 16:45:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-09-20 16:45:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-20 16:45:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 16:45:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-09-20 16:45:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-09-20 16:45:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-20 16:45:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-20 16:45:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-20 16:45:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-09-20 16:45:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-09-20 16:45:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-09-20 16:45:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 16:45:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 16:45:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:45:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-20 16:45:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-20 16:45:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-09-20 16:45:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-09-20 16:45:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-20 16:45:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-20 16:45:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-20 16:45:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-20 16:45:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-20 16:45:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-09-20 16:45:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-09-20 16:45:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-20 16:45:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-20 16:45:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-09-20 16:45:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-09-20 16:45:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-09-20 16:45:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-09-20 16:45:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-09-20 16:45:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-09-20 16:45:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-09-20 16:45:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-09-20 16:45:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:45:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:45:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:45:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:45:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-20 16:45:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-09-20 16:45:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 16:45:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-20 16:45:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-09-20 16:45:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-09-20 16:45:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 16:45:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 16:45:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:45:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:45:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-20 16:45:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-09-20 16:45:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 16:45:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 16:45:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:45:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 16:45:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:45:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:45:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 16:45:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 16:45:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:45:03,862 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:45:03,939 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 16:45:03,939 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 16:45:03,939 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 16:45:03,940 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 16:45:03,941 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:45:03,973 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-09-20 16:45:03,973 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-09-20 16:45:04,137 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-20 16:45:04,630 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:45:04,630 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 16:45:04,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:45:04 BoogieIcfgContainer [2019-09-20 16:45:04,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:45:04,632 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:45:04,633 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:45:04,633 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:45:04,634 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:45:04" (1/1) ... [2019-09-20 16:45:04,634 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 16:45:04,657 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:45:04,658 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:45:04,664 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:45:04,673 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:45:04,675 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:45:04,982 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:45:05,263 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-20 16:45:05,331 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 28 for LOIs [2019-09-20 16:45:06,004 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-09-20 16:45:06,416 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-20 16:45:06,867 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-20 16:45:07,133 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2019-09-20 16:45:07,267 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-09-20 16:45:07,392 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-09-20 16:45:07,396 INFO L199 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 24 for LOIs [2019-09-20 16:45:07,415 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put_2 with input of size 54 for LOIs [2019-09-20 16:45:07,419 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 54 for LOIs [2019-09-20 16:45:07,424 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 26 for LOIs [2019-09-20 16:45:07,439 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 1 for LOIs [2019-09-20 16:45:07,441 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:45:07,441 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:45:07,443 INFO L193 IcfgInterpreter]: Reachable states at location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 180#true [2019-09-20 16:45:07,458 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:45:07,459 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:45:07,463 INFO L168 Benchmark]: Toolchain (without parser) took 5690.44 ms. Allocated memory was 130.5 MB in the beginning and 383.3 MB in the end (delta: 252.7 MB). Free memory was 80.3 MB in the beginning and 244.5 MB in the end (delta: -164.2 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:45:07,463 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:45:07,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1409.44 ms. Allocated memory was 130.5 MB in the beginning and 221.8 MB in the end (delta: 91.2 MB). Free memory was 80.1 MB in the beginning and 139.8 MB in the end (delta: -59.8 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:45:07,466 INFO L168 Benchmark]: Boogie Preprocessor took 125.76 ms. Allocated memory is still 221.8 MB. Free memory was 139.8 MB in the beginning and 135.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:45:07,473 INFO L168 Benchmark]: RCFGBuilder took 1323.62 ms. Allocated memory was 221.8 MB in the beginning and 285.7 MB in the end (delta: 64.0 MB). Free memory was 135.4 MB in the beginning and 218.5 MB in the end (delta: -83.0 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:45:07,474 INFO L168 Benchmark]: Sifa took 2827.12 ms. Allocated memory was 285.7 MB in the beginning and 383.3 MB in the end (delta: 97.5 MB). Free memory was 218.5 MB in the beginning and 244.5 MB in the end (delta: -26.1 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:45:07,484 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 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1409.44 ms. Allocated memory was 130.5 MB in the beginning and 221.8 MB in the end (delta: 91.2 MB). Free memory was 80.1 MB in the beginning and 139.8 MB in the end (delta: -59.8 MB). Peak memory consumption was 40.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.76 ms. Allocated memory is still 221.8 MB. Free memory was 139.8 MB in the beginning and 135.4 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.62 ms. Allocated memory was 221.8 MB in the beginning and 285.7 MB in the end (delta: 64.0 MB). Free memory was 135.4 MB in the beginning and 218.5 MB in the end (delta: -83.0 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * Sifa took 2827.12 ms. Allocated memory was 285.7 MB in the beginning and 383.3 MB in the end (delta: 97.5 MB). Free memory was 218.5 MB in the beginning and 244.5 MB in the end (delta: -26.1 MB). Peak memory consumption was 71.5 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]: 2786, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 128, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 94, TOOLS_POST_TIME[ms]: 611, TOOLS_POST_CALL_APPLICATIONS: 26, TOOLS_POST_CALL_TIME[ms]: 88, TOOLS_POST_RETURN_APPLICATIONS: 19, TOOLS_POST_RETURN_TIME[ms]: 28, TOOLS_QUANTIFIERELIM_APPLICATIONS: 139, TOOLS_QUANTIFIERELIM_TIME[ms]: 672, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 541, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 137, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 35, DOMAIN_JOIN_TIME[ms]: 1898, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 10, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 14, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 19, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1315, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1314, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 19, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 932, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 930, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 28, 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 180#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...