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-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 12:26:20,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 12:26:20,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 12:26:20,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 12:26:20,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 12:26:20,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 12:26:20,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 12:26:20,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 12:26:20,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 12:26:20,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 12:26:20,883 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 12:26:20,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 12:26:20,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 12:26:20,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 12:26:20,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 12:26:20,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 12:26:20,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 12:26:20,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 12:26:20,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 12:26:20,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 12:26:20,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 12:26:20,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 12:26:20,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 12:26:20,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 12:26:20,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 12:26:20,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 12:26:20,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 12:26:20,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 12:26:20,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 12:26:20,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 12:26:20,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 12:26:20,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 12:26:20,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 12:26:20,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 12:26:20,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 12:26:20,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 12:26:20,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 12:26:20,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 12:26:20,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 12:26:20,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 12:26:20,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 12:26:20,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2019-08-18 12:26:20,950 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 12:26:20,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 12:26:20,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 12:26:20,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 12:26:20,953 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 12:26:20,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 12:26:20,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 12:26:20,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 12:26:20,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 12:26:20,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 12:26:20,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 12:26:20,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 12:26:20,956 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 12:26:20,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 12:26:20,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 12:26:20,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 12:26:20,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 12:26:20,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 12:26:20,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 12:26:20,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 12:26:20,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 12:26:20,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 12:26:20,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 12:26:20,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 12:26:20,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 12:26:20,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 12:26:20,960 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-08-18 12:26:21,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 12:26:21,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 12:26:21,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 12:26:21,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 12:26:21,029 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 12:26:21,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-08-18 12:26:21,094 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549ed0629/f4b74f3516d54a58a7bd4c61287c62f5/FLAG28b042033 [2019-08-18 12:26:21,864 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 12:26:21,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-08-18 12:26:21,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549ed0629/f4b74f3516d54a58a7bd4c61287c62f5/FLAG28b042033 [2019-08-18 12:26:22,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/549ed0629/f4b74f3516d54a58a7bd4c61287c62f5 [2019-08-18 12:26:22,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 12:26:22,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 12:26:22,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 12:26:22,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 12:26:22,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 12:26:22,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:26:22" (1/1) ... [2019-08-18 12:26:22,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f66fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:26:22, skipping insertion in model container [2019-08-18 12:26:22,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:26:22" (1/1) ... [2019-08-18 12:26:22,433 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 12:26:22,538 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 12:26:23,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 12:26:23,533 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 12:26:23,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 12:26:23,877 INFO L192 MainTranslator]: Completed translation [2019-08-18 12:26:23,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:26:23 WrapperNode [2019-08-18 12:26:23,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 12:26:23,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 12:26:23,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 12:26:23,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 12:26:23,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:26:23" (1/1) ... [2019-08-18 12:26:23,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:26:23" (1/1) ... [2019-08-18 12:26:23,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:26:23" (1/1) ... [2019-08-18 12:26:23,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:26:23" (1/1) ... [2019-08-18 12:26:23,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:26:23" (1/1) ... [2019-08-18 12:26:23,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:26:23" (1/1) ... [2019-08-18 12:26:23,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:26:23" (1/1) ... [2019-08-18 12:26:24,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 12:26:24,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 12:26:24,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 12:26:24,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 12:26:24,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:26:23" (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 [2019-08-18 12:26:24,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 12:26:24,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 12:26:24,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-08-18 12:26:24,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-08-18 12:26:24,074 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-08-18 12:26:24,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-08-18 12:26:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-08-18 12:26:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-08-18 12:26:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-08-18 12:26:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-08-18 12:26:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-08-18 12:26:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-08-18 12:26:24,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-08-18 12:26:24,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 12:26:24,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-08-18 12:26:24,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-08-18 12:26:24,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-08-18 12:26:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-08-18 12:26:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-08-18 12:26:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-08-18 12:26:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-08-18 12:26:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-08-18 12:26:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-08-18 12:26:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-08-18 12:26:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-08-18 12:26:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-08-18 12:26:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-08-18 12:26:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-08-18 12:26:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-08-18 12:26:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-08-18 12:26:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-08-18 12:26:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-08-18 12:26:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-08-18 12:26:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-08-18 12:26:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-08-18 12:26:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 12:26:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-08-18 12:26:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-08-18 12:26:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-08-18 12:26:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-08-18 12:26:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-08-18 12:26:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-08-18 12:26:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-08-18 12:26:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-08-18 12:26:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-08-18 12:26:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-08-18 12:26:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-08-18 12:26:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-08-18 12:26:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-08-18 12:26:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-08-18 12:26:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-08-18 12:26:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-08-18 12:26:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-08-18 12:26:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-08-18 12:26:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-08-18 12:26:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-08-18 12:26:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-08-18 12:26:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 12:26:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 12:26:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 12:26:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 12:26:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-08-18 12:26:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-08-18 12:26:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 12:26:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-08-18 12:26:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-08-18 12:26:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-08-18 12:26:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-08-18 12:26:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-08-18 12:26:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 12:26:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 12:26:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-08-18 12:26:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-08-18 12:26:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-08-18 12:26:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-08-18 12:26:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 12:26:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-08-18 12:26:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 12:26:24,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 12:26:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-18 12:26:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-18 12:26:24,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 12:26:24,430 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-18 12:26:24,591 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-08-18 12:26:24,591 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-08-18 12:26:24,592 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-08-18 12:26:24,592 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-08-18 12:26:24,593 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-18 12:26:24,618 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-08-18 12:26:24,619 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-08-18 12:26:24,701 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-08-18 12:26:24,855 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 12:26:24,856 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 12:26:24,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:26:24 BoogieIcfgContainer [2019-08-18 12:26:24,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 12:26:24,858 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 12:26:24,859 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 12:26:24,859 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 12:26:24,860 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:26:24" (1/1) ... [2019-08-18 12:26:24,875 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 12:26:24,878 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 12:26:24,890 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 12:26:24,898 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 12:26:24,900 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 12:26:24,984 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_7|], 21=[|v_#valid_10|]} [2019-08-18 12:26:25,034 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,038 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,054 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2019-08-18 12:26:25,055 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 12:26:25,317 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-18 12:26:25,318 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 12:26:25,327 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,330 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,333 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,337 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,339 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,341 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,361 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,362 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,366 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 12:26:25,370 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2019-08-18 12:26:25,371 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 12:26:25,640 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-08-18 12:26:25,641 INFO L567 ElimStorePlain]: treesize reduction 12, result has 93.7 percent of original size [2019-08-18 12:26:25,641 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 12:26:25,642 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:214, output treesize:177 [2019-08-18 12:26:25,669 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 95 [2019-08-18 12:26:25,905 INFO L185 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 18 [2019-08-18 12:26:25,934 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 12:26:25,950 INFO L185 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 1 [2019-08-18 12:26:25,952 INFO L185 IcfgInterpreter]: Interpreting procedure ldv_module_put_2 with input of size 50 [2019-08-18 12:26:25,960 INFO L185 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 4 [2019-08-18 12:26:25,965 INFO L185 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 50 [2019-08-18 12:26:25,976 INFO L185 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 49 [2019-08-18 12:26:25,978 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 12:26:25,978 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 12:26:25,982 INFO L179 IcfgInterpreter]: Location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 226#(or (exists ((v_pppox_create_~protocol_BEFORE_CALL_1 Int)) (and (= |#NULL.base| 0) (<= ~ldv_module_refcounter~0 1) (not (< v_pppox_create_~protocol_BEFORE_CALL_1 0)) (not (< 3 v_pppox_create_~protocol_BEFORE_CALL_1)) (= |#t~string32.offset| 0) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|)) 16)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|)) 16))) 18446744073709551616))) (= |~#pppox_proto_family~0.offset| 0) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|)) (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|))) 18446744073709551616))) (= |#NULL.offset| 0))) (not (= 1 ~ldv_module_refcounter~0))) [2019-08-18 12:26:25,997 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 12:26:25,997 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 12:26:26,000 INFO L168 Benchmark]: Toolchain (without parser) took 3584.66 ms. Allocated memory was 141.6 MB in the beginning and 260.6 MB in the end (delta: 119.0 MB). Free memory was 81.0 MB in the beginning and 138.2 MB in the end (delta: -57.2 MB). Peak memory consumption was 101.0 MB. Max. memory is 7.1 GB. [2019-08-18 12:26:26,002 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-18 12:26:26,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1462.94 ms. Allocated memory was 141.6 MB in the beginning and 225.4 MB in the end (delta: 83.9 MB). Free memory was 80.8 MB in the beginning and 152.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-08-18 12:26:26,014 INFO L168 Benchmark]: Boogie Preprocessor took 121.19 ms. Allocated memory is still 225.4 MB. Free memory was 151.6 MB in the beginning and 148.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-08-18 12:26:26,015 INFO L168 Benchmark]: RCFGBuilder took 856.86 ms. Allocated memory is still 225.4 MB. Free memory was 148.3 MB in the beginning and 95.2 MB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. [2019-08-18 12:26:26,018 INFO L168 Benchmark]: Symbolic Interpretation took 1138.50 ms. Allocated memory was 225.4 MB in the beginning and 260.6 MB in the end (delta: 35.1 MB). Free memory was 95.2 MB in the beginning and 138.2 MB in the end (delta: -42.9 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2019-08-18 12:26:26,030 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 226#(or (exists ((v_pppox_create_~protocol_BEFORE_CALL_1 Int)) (and (= |#NULL.base| 0) (<= ~ldv_module_refcounter~0 1) (not (< v_pppox_create_~protocol_BEFORE_CALL_1 0)) (not (< 3 v_pppox_create_~protocol_BEFORE_CALL_1)) (= |#t~string32.offset| 0) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|)) 16)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|)) 16))) 18446744073709551616))) (= |~#pppox_proto_family~0.offset| 0) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|)) (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ (* 8 v_pppox_create_~protocol_BEFORE_CALL_1) |~#pppox_protos~0.offset|))) 18446744073709551616))) (= |#NULL.offset| 0))) (not (= 1 ~ldv_module_refcounter~0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1462.94 ms. Allocated memory was 141.6 MB in the beginning and 225.4 MB in the end (delta: 83.9 MB). Free memory was 80.8 MB in the beginning and 152.4 MB in the end (delta: -71.6 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.19 ms. Allocated memory is still 225.4 MB. Free memory was 151.6 MB in the beginning and 148.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 856.86 ms. Allocated memory is still 225.4 MB. Free memory was 148.3 MB in the beginning and 95.2 MB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1138.50 ms. Allocated memory was 225.4 MB in the beginning and 260.6 MB in the end (delta: 35.1 MB). Free memory was 95.2 MB in the beginning and 138.2 MB in the end (delta: -42.9 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...