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 -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 15:04:09,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 15:04:09,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 15:04:09,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 15:04:09,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 15:04:09,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 15:04:09,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 15:04:09,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 15:04:09,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 15:04:09,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 15:04:09,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 15:04:09,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 15:04:09,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 15:04:09,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 15:04:09,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 15:04:09,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 15:04:09,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 15:04:09,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 15:04:09,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 15:04:09,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 15:04:09,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 15:04:09,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 15:04:09,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 15:04:09,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 15:04:09,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 15:04:09,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 15:04:09,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 15:04:09,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 15:04:09,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 15:04:09,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 15:04:09,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 15:04:09,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 15:04:09,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 15:04:09,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 15:04:09,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 15:04:09,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 15:04:09,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 15:04:09,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 15:04:09,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 15:04:09,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 15:04:09,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 15:04:09,447 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 [2019-09-06 15:04:09,461 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 15:04:09,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 15:04:09,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 15:04:09,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 15:04:09,462 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 15:04:09,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 15:04:09,463 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 15:04:09,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 15:04:09,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 15:04:09,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 15:04:09,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 15:04:09,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 15:04:09,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 15:04:09,464 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 15:04:09,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 15:04:09,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 15:04:09,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 15:04:09,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 15:04:09,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 15:04:09,465 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 15:04:09,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 15:04:09,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 15:04:09,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 15:04:09,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 15:04:09,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 15:04:09,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 15:04:09,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 15:04:09,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 15:04:09,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 15:04:09,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 15:04:09,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 15:04:09,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 15:04:09,529 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 15:04:09,530 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 15:04:09,531 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-06 15:04:09,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bc931c42/bf78912aac3f4160814df93898b95c3b/FLAGa1ad48019 [2019-09-06 15:04:10,353 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 15:04:10,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-06 15:04:10,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bc931c42/bf78912aac3f4160814df93898b95c3b/FLAGa1ad48019 [2019-09-06 15:04:10,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bc931c42/bf78912aac3f4160814df93898b95c3b [2019-09-06 15:04:10,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 15:04:10,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 15:04:10,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 15:04:10,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 15:04:10,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 15:04:10,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 03:04:10" (1/1) ... [2019-09-06 15:04:10,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77500d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:04:10, skipping insertion in model container [2019-09-06 15:04:10,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 03:04:10" (1/1) ... [2019-09-06 15:04:10,460 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 15:04:10,568 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 15:04:11,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 15:04:11,496 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 15:04:11,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 15:04:11,732 INFO L192 MainTranslator]: Completed translation [2019-09-06 15:04:11,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:04:11 WrapperNode [2019-09-06 15:04:11,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 15:04:11,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 15:04:11,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 15:04:11,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 15:04:11,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:04:11" (1/1) ... [2019-09-06 15:04:11,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:04:11" (1/1) ... [2019-09-06 15:04:11,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:04:11" (1/1) ... [2019-09-06 15:04:11,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:04:11" (1/1) ... [2019-09-06 15:04:11,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:04:11" (1/1) ... [2019-09-06 15:04:11,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:04:11" (1/1) ... [2019-09-06 15:04:11,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:04:11" (1/1) ... [2019-09-06 15:04:11,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 15:04:11,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 15:04:11,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 15:04:11,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 15:04:11,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 03:04:11" (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 [2019-09-06 15:04:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 15:04:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 15:04:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-06 15:04:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-06 15:04:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-09-06 15:04:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-09-06 15:04:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-09-06 15:04:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-09-06 15:04:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-09-06 15:04:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-09-06 15:04:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-09-06 15:04:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-09-06 15:04:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-09-06 15:04:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 15:04:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-06 15:04:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-06 15:04:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-06 15:04:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-06 15:04:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-06 15:04:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-06 15:04:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-06 15:04:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-09-06 15:04:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-09-06 15:04:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-06 15:04:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-06 15:04:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-09-06 15:04:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-09-06 15:04:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-06 15:04:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-06 15:04:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-06 15:04:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-09-06 15:04:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-09-06 15:04:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-09-06 15:04:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-06 15:04:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-06 15:04:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 15:04:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-06 15:04:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-06 15:04:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-09-06 15:04:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-09-06 15:04:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-06 15:04:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-06 15:04:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-06 15:04:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-06 15:04:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-06 15:04:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-09-06 15:04:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-09-06 15:04:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-06 15:04:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-06 15:04:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-09-06 15:04:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-09-06 15:04:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-09-06 15:04:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-09-06 15:04:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-09-06 15:04:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-09-06 15:04:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-09-06 15:04:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-09-06 15:04:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 15:04:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 15:04:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 15:04:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 15:04:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-06 15:04:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-09-06 15:04:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 15:04:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-06 15:04:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-09-06 15:04:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-09-06 15:04:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-06 15:04:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-06 15:04:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 15:04:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 15:04:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-06 15:04:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-09-06 15:04:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-06 15:04:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-06 15:04:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 15:04:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-06 15:04:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 15:04:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 15:04:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-06 15:04:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 15:04:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 15:04:12,581 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-06 15:04:12,663 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-06 15:04:12,663 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-06 15:04:12,663 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-06 15:04:12,663 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-06 15:04:12,664 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-06 15:04:12,685 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-09-06 15:04:12,685 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-09-06 15:04:12,794 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-06 15:04:12,942 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 15:04:12,942 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 15:04:12,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 03:04:12 BoogieIcfgContainer [2019-09-06 15:04:12,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 15:04:12,945 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 15:04:12,945 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 15:04:12,945 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 15:04:12,947 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 03:04:12" (1/1) ... [2019-09-06 15:04:12,947 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 15:04:12,971 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 15:04:12,971 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 15:04:12,979 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 15:04:12,988 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 15:04:12,990 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 15:04:13,092 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 28 for LOIs [2019-09-06 15:04:13,659 INFO L199 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 29 for LOIs [2019-09-06 15:04:13,692 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put_2 with input of size 54 for LOIs [2019-09-06 15:04:13,695 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 54 for LOIs [2019-09-06 15:04:13,699 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 21 for LOIs [2019-09-06 15:04:13,701 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 1 for LOIs [2019-09-06 15:04:13,701 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 15:04:13,701 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 15:04:13,703 INFO L193 IcfgInterpreter]: Reachable states at location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 271#true [2019-09-06 15:04:13,714 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 15:04:13,715 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 15:04:13,717 INFO L168 Benchmark]: Toolchain (without parser) took 3272.74 ms. Allocated memory was 135.8 MB in the beginning and 265.3 MB in the end (delta: 129.5 MB). Free memory was 80.4 MB in the beginning and 169.8 MB in the end (delta: -89.5 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2019-09-06 15:04:13,718 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.8 MB. Free memory is still 104.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 15:04:13,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1288.47 ms. Allocated memory was 135.8 MB in the beginning and 221.2 MB in the end (delta: 85.5 MB). Free memory was 80.4 MB in the beginning and 146.1 MB in the end (delta: -65.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-09-06 15:04:13,720 INFO L168 Benchmark]: Boogie Preprocessor took 118.50 ms. Allocated memory is still 221.2 MB. Free memory was 146.1 MB in the beginning and 142.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-06 15:04:13,721 INFO L168 Benchmark]: RCFGBuilder took 1092.13 ms. Allocated memory is still 221.2 MB. Free memory was 142.5 MB in the beginning and 89.8 MB in the end (delta: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. [2019-09-06 15:04:13,722 INFO L168 Benchmark]: Sifa took 770.03 ms. Allocated memory was 221.2 MB in the beginning and 265.3 MB in the end (delta: 44.0 MB). Free memory was 89.8 MB in the beginning and 169.8 MB in the end (delta: -80.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 15:04:13,729 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 135.8 MB. Free memory is still 104.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1288.47 ms. Allocated memory was 135.8 MB in the beginning and 221.2 MB in the end (delta: 85.5 MB). Free memory was 80.4 MB in the beginning and 146.1 MB in the end (delta: -65.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.50 ms. Allocated memory is still 221.2 MB. Free memory was 146.1 MB in the beginning and 142.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1092.13 ms. Allocated memory is still 221.2 MB. Free memory was 142.5 MB in the beginning and 89.8 MB in the end (delta: 52.7 MB). Peak memory consumption was 52.7 MB. Max. memory is 7.1 GB. * Sifa took 770.03 ms. Allocated memory was 221.2 MB in the beginning and 265.3 MB in the end (delta: 44.0 MB). Free memory was 89.8 MB in the beginning and 169.8 MB in the end (delta: -80.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 732, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 192, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 153, TOOLS_POST_TIME[ms]: 129, TOOLS_POST_CALL_APPLICATIONS: 31, TOOLS_POST_CALL_TIME[ms]: 137, TOOLS_POST_RETURN_APPLICATIONS: 24, TOOLS_POST_RETURN_TIME[ms]: 50, TOOLS_QUANTIFIERELIM_TIME[ms]: 237, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 201, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 51, DOMAIN_JOIN_TIME[ms]: 139, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 21, DOMAIN_ISSUBSETEQ_TIME[ms]: 62, DOMAIN_ISBOTTOM_APPLICATIONS: 22, DOMAIN_ISBOTTOM_TIME[ms]: 73, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 210, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 210, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 24, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 451, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 286, DAG_COMPRESSION_RETAINED_NODES: 156 - 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 271#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...