/usr/bin/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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 09:49:29,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 09:49:29,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 09:49:29,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 09:49:29,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 09:49:29,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 09:49:29,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 09:49:29,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 09:49:29,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 09:49:29,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 09:49:29,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 09:49:29,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 09:49:29,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 09:49:29,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 09:49:29,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 09:49:29,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 09:49:29,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 09:49:29,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 09:49:29,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 09:49:29,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 09:49:29,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 09:49:29,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 09:49:29,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 09:49:29,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 09:49:29,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 09:49:29,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 09:49:29,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 09:49:29,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 09:49:29,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 09:49:29,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 09:49:29,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 09:49:29,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 09:49:29,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 09:49:29,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 09:49:29,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 09:49:29,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 09:49:29,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 09:49:29,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 09:49:29,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 09:49:29,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 09:49:29,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 09:49:29,617 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 [2019-11-07 09:49:29,630 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 09:49:29,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 09:49:29,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 09:49:29,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 09:49:29,632 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 09:49:29,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 09:49:29,633 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 09:49:29,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 09:49:29,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 09:49:29,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 09:49:29,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 09:49:29,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 09:49:29,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 09:49:29,634 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 09:49:29,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 09:49:29,635 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 09:49:29,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 09:49:29,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 09:49:29,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 09:49:29,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 09:49:29,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 09:49:29,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 09:49:29,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 09:49:29,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 09:49:29,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 09:49:29,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 09:49:29,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 09:49:29,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 09:49:29,637 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: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 09:49:29,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 09:49:29,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 09:49:29,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 09:49:29,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 09:49:29,941 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 09:49:29,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2019-11-07 09:49:30,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb0e3fec/bc6557e4bb80432ba9d8a54b8946f111/FLAGce4f5ae65 [2019-11-07 09:49:30,743 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 09:49:30,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ppp--pppox.ko-entry_point.cil.out.i [2019-11-07 09:49:30,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb0e3fec/bc6557e4bb80432ba9d8a54b8946f111/FLAGce4f5ae65 [2019-11-07 09:49:30,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb0e3fec/bc6557e4bb80432ba9d8a54b8946f111 [2019-11-07 09:49:30,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 09:49:30,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 09:49:30,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 09:49:30,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 09:49:30,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 09:49:30,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:49:30" (1/1) ... [2019-11-07 09:49:30,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f03f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:49:30, skipping insertion in model container [2019-11-07 09:49:30,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:49:30" (1/1) ... [2019-11-07 09:49:30,970 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 09:49:31,090 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 09:49:32,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 09:49:32,365 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 09:49:32,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 09:49:32,690 INFO L192 MainTranslator]: Completed translation [2019-11-07 09:49:32,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:49:32 WrapperNode [2019-11-07 09:49:32,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 09:49:32,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 09:49:32,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 09:49:32,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 09:49:32,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:49:32" (1/1) ... [2019-11-07 09:49:32,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:49:32" (1/1) ... [2019-11-07 09:49:32,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:49:32" (1/1) ... [2019-11-07 09:49:32,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:49:32" (1/1) ... [2019-11-07 09:49:32,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:49:32" (1/1) ... [2019-11-07 09:49:32,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:49:32" (1/1) ... [2019-11-07 09:49:32,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:49:32" (1/1) ... [2019-11-07 09:49:32,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 09:49:32,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 09:49:32,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 09:49:32,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 09:49:32,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:49:32" (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 [2019-11-07 09:49:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 09:49:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 09:49:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-11-07 09:49:32,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-07 09:49:32,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-07 09:49:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-07 09:49:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-11-07 09:49:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-11-07 09:49:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-07 09:49:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-07 09:49:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-07 09:49:32,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-07 09:49:32,942 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-11-07 09:49:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-11-07 09:49:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-11-07 09:49:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-11-07 09:49:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-11-07 09:49:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-11-07 09:49:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-11-07 09:49:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-11-07 09:49:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-11-07 09:49:32,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 09:49:32,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_5 [2019-11-07 09:49:32,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-11-07 09:49:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-07 09:49:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-07 09:49:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-11-07 09:49:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-11-07 09:49:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-11-07 09:49:32,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-11-07 09:49:32,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-11-07 09:49:32,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-11-07 09:49:32,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-11-07 09:49:32,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-11-07 09:49:32,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-07 09:49:32,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-11-07 09:49:32,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-11-07 09:49:32,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-07 09:49:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-11-07 09:49:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-11-07 09:49:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-11-07 09:49:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-11-07 09:49:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-11-07 09:49:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-11-07 09:49:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-07 09:49:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-07 09:49:32,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-07 09:49:32,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-07 09:49:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 09:49:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-11-07 09:49:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-07 09:49:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-11-07 09:49:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_5 [2019-11-07 09:49:32,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-11-07 09:49:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-11-07 09:49:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-11-07 09:49:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 09:49:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 09:49:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 09:49:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-07 09:49:32,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 09:49:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 09:49:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-07 09:49:32,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 09:49:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-07 09:49:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-07 09:49:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-11-07 09:49:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-11-07 09:49:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-07 09:49:32,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-07 09:49:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-07 09:49:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-07 09:49:32,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-07 09:49:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-11-07 09:49:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-11-07 09:49:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-11-07 09:49:32,964 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-11-07 09:49:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-11-07 09:49:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-11-07 09:49:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-11-07 09:49:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-11-07 09:49:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-11-07 09:49:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-11-07 09:49:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-11-07 09:49:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-11-07 09:49:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 09:49:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 09:49:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 09:49:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 09:49:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 09:49:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-11-07 09:49:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-11-07 09:49:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-07 09:49:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-11-07 09:49:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-11-07 09:49:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-07 09:49:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-07 09:49:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 09:49:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 09:49:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-07 09:49:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-07 09:49:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-11-07 09:49:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-11-07 09:49:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-11-07 09:49:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-11-07 09:49:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-11-07 09:49:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-11-07 09:49:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-07 09:49:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 09:49:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-07 09:49:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 09:49:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 09:49:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 09:49:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 09:49:33,641 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-07 09:49:33,662 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-11-07 09:49:34,416 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 09:49:34,416 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 09:49:34,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:49:34 BoogieIcfgContainer [2019-11-07 09:49:34,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 09:49:34,419 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 09:49:34,419 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 09:49:34,420 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 09:49:34,421 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:49:34" (1/1) ... [2019-11-07 09:49:34,423 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 09:49:34,469 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 09:49:34,469 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 09:49:34,481 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 09:49:34,492 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 09:49:34,495 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 09:49:35,089 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2019-11-07 09:49:35,380 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2019-11-07 09:49:35,419 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 466 for LOIs [2019-11-07 09:49:36,392 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-11-07 09:49:36,576 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2019-11-07 09:49:36,913 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2019-11-07 09:49:37,402 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 502 [2019-11-07 09:49:40,421 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 293 [2019-11-07 09:49:41,087 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-11-07 09:49:43,798 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 293 [2019-11-07 09:49:44,079 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-11-07 09:49:44,376 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-07 09:49:46,826 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 293 [2019-11-07 09:49:50,223 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 293 [2019-11-07 09:49:50,816 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-07 09:49:53,131 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2019-11-07 09:49:53,443 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-11-07 09:49:53,791 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-07 09:49:56,126 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 293 [2019-11-07 09:49:56,604 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-07 09:49:58,909 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 293 [2019-11-07 09:49:59,076 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 545 DAG size of output: 530 [2019-11-07 09:49:59,253 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2019-11-07 09:49:59,531 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 595 [2019-11-07 09:49:59,692 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 595 [2019-11-07 09:49:59,843 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 595 [2019-11-07 09:50:00,169 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 603 [2019-11-07 09:50:00,345 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-11-07 09:50:00,578 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 613 [2019-11-07 09:50:01,050 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 625 DAG size of output: 621 [2019-11-07 09:50:02,311 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 624 [2019-11-07 09:50:04,829 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 85 for LOIs [2019-11-07 09:50:04,831 INFO L197 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 92 for LOIs [2019-11-07 09:50:04,896 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_module_put_6 with input of size 107 for LOIs [2019-11-07 09:50:04,900 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 107 for LOIs [2019-11-07 09:50:04,936 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 1 for LOIs [2019-11-07 09:50:04,936 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 09:50:04,949 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 09:50:04,949 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 09:50:04,954 INFO L168 Benchmark]: Toolchain (without parser) took 34004.18 ms. Allocated memory was 137.9 MB in the beginning and 742.9 MB in the end (delta: 605.0 MB). Free memory was 94.6 MB in the beginning and 383.3 MB in the end (delta: -288.8 MB). Peak memory consumption was 316.3 MB. Max. memory is 7.1 GB. [2019-11-07 09:50:04,955 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 09:50:04,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1742.60 ms. Allocated memory was 137.9 MB in the beginning and 208.7 MB in the end (delta: 70.8 MB). Free memory was 94.2 MB in the beginning and 100.8 MB in the end (delta: -6.6 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. [2019-11-07 09:50:04,957 INFO L168 Benchmark]: Boogie Preprocessor took 138.77 ms. Allocated memory is still 208.7 MB. Free memory was 100.8 MB in the beginning and 95.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-11-07 09:50:04,957 INFO L168 Benchmark]: RCFGBuilder took 1587.63 ms. Allocated memory was 208.7 MB in the beginning and 266.9 MB in the end (delta: 58.2 MB). Free memory was 94.8 MB in the beginning and 212.9 MB in the end (delta: -118.1 MB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. [2019-11-07 09:50:04,957 INFO L168 Benchmark]: Sifa took 30530.46 ms. Allocated memory was 266.9 MB in the beginning and 742.9 MB in the end (delta: 476.1 MB). Free memory was 212.9 MB in the beginning and 383.3 MB in the end (delta: -170.4 MB). Peak memory consumption was 305.6 MB. Max. memory is 7.1 GB. [2019-11-07 09:50:04,960 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1742.60 ms. Allocated memory was 137.9 MB in the beginning and 208.7 MB in the end (delta: 70.8 MB). Free memory was 94.2 MB in the beginning and 100.8 MB in the end (delta: -6.6 MB). Peak memory consumption was 69.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 138.77 ms. Allocated memory is still 208.7 MB. Free memory was 100.8 MB in the beginning and 95.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1587.63 ms. Allocated memory was 208.7 MB in the beginning and 266.9 MB in the end (delta: 58.2 MB). Free memory was 94.8 MB in the beginning and 212.9 MB in the end (delta: -118.1 MB). Peak memory consumption was 61.8 MB. Max. memory is 7.1 GB. * Sifa took 30530.46 ms. Allocated memory was 266.9 MB in the beginning and 742.9 MB in the end (delta: 476.1 MB). Free memory was 212.9 MB in the beginning and 383.3 MB in the end (delta: -170.4 MB). Peak memory consumption was 305.6 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]: 30468, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 141, DAG_INTERPRETER_EARLY_EXITS: 58, TOOLS_POST_APPLICATIONS: 743, TOOLS_POST_TIME[ms]: 1444, TOOLS_POST_CALL_APPLICATIONS: 62, TOOLS_POST_CALL_TIME[ms]: 22238, TOOLS_POST_RETURN_APPLICATIONS: 55, TOOLS_POST_RETURN_TIME[ms]: 576, TOOLS_QUANTIFIERELIM_APPLICATIONS: 630, TOOLS_QUANTIFIERELIM_TIME[ms]: 24042, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3438, FLUID_QUERY_TIME[ms]: 32, FLUID_QUERIES: 1225, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 54, DOMAIN_JOIN_TIME[ms]: 4053, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 943, DOMAIN_ISSUBSETEQ_APPLICATIONS: 141, DOMAIN_ISSUBSETEQ_TIME[ms]: 270, DOMAIN_ISBOTTOM_APPLICATIONS: 141, DOMAIN_ISBOTTOM_TIME[ms]: 325, LOOP_SUMMARIZER_APPLICATIONS: 135, LOOP_SUMMARIZER_CACHE_MISSES: 135, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11213, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11211, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 141, CALL_SUMMARIZER_APPLICATIONS: 55, CALL_SUMMARIZER_CACHE_MISSES: 20, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1283, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1282, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 12, DAG_COMPRESSION_TIME[ms]: 435, DAG_COMPRESSION_PROCESSED_NODES: 14134, DAG_COMPRESSION_RETAINED_NODES: 716 - UnprovableResult [Line: 6259]: 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 1195#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...