java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:19:34,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:19:34,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:19:34,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:19:34,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:19:34,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:19:34,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:19:34,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:19:34,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:19:34,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:19:34,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:19:34,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:19:34,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:19:34,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:19:34,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:19:34,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:19:34,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:19:34,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:19:34,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:19:34,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:19:34,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:19:34,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:19:34,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:19:34,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:19:34,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:19:34,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:19:34,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:19:34,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:19:34,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:19:34,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:19:34,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:19:34,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:19:34,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:19:34,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:19:34,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:19:34,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:19:34,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:19:34,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:19:34,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:19:34,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:19:34,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:19:34,528 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 [2019-09-21 09:19:34,547 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:19:34,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:19:34,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:19:34,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:19:34,549 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:19:34,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:19:34,550 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:19:34,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:19:34,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:19:34,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:19:34,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:19:34,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:19:34,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:19:34,552 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:19:34,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:19:34,553 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:19:34,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:19:34,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:19:34,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:19:34,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:19:34,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:19:34,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:19:34,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:19:34,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:19:34,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:19:34,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:19:34,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:19:34,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:19:34,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:19:34,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:19:34,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:19:34,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:19:34,628 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:19:34,629 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:19:34,629 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-21 09:19:34,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc087609f/16eb532ab2f2444295a529ca46ae174b/FLAG877cb91a4 [2019-09-21 09:19:35,442 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:19:35,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-09-21 09:19:35,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc087609f/16eb532ab2f2444295a529ca46ae174b/FLAG877cb91a4 [2019-09-21 09:19:35,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc087609f/16eb532ab2f2444295a529ca46ae174b [2019-09-21 09:19:35,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:19:35,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:19:35,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:19:35,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:19:35,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:19:35,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:19:35" (1/1) ... [2019-09-21 09:19:35,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e855e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:35, skipping insertion in model container [2019-09-21 09:19:35,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:19:35" (1/1) ... [2019-09-21 09:19:35,585 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:19:35,701 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:19:36,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:19:36,652 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:19:36,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:19:36,870 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:19:36,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:36 WrapperNode [2019-09-21 09:19:36,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:19:36,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:19:36,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:19:36,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:19:36,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:36" (1/1) ... [2019-09-21 09:19:36,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:36" (1/1) ... [2019-09-21 09:19:36,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:36" (1/1) ... [2019-09-21 09:19:36,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:36" (1/1) ... [2019-09-21 09:19:36,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:36" (1/1) ... [2019-09-21 09:19:36,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:36" (1/1) ... [2019-09-21 09:19:36,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:36" (1/1) ... [2019-09-21 09:19:36,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:19:36,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:19:36,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:19:36,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:19:36,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:19:36" (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 [2019-09-21 09:19:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:19:37,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:19:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-21 09:19:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-21 09:19:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-09-21 09:19:37,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-09-21 09:19:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-09-21 09:19:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-09-21 09:19:37,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-09-21 09:19:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-09-21 09:19:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-09-21 09:19:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-09-21 09:19:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-09-21 09:19:37,043 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:19:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-09-21 09:19:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-21 09:19:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-21 09:19:37,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-21 09:19:37,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-21 09:19:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-21 09:19:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-21 09:19:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-09-21 09:19:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-09-21 09:19:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-21 09:19:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-21 09:19:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-09-21 09:19:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-09-21 09:19:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-21 09:19:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-09-21 09:19:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-09-21 09:19:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-09-21 09:19:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-09-21 09:19:37,049 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-09-21 09:19:37,049 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-21 09:19:37,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-21 09:19:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:19:37,049 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-21 09:19:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-21 09:19:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-09-21 09:19:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-09-21 09:19:37,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-21 09:19:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-21 09:19:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-21 09:19:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-21 09:19:37,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-21 09:19:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-09-21 09:19:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-09-21 09:19:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-09-21 09:19:37,052 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-09-21 09:19:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-09-21 09:19:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-09-21 09:19:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-09-21 09:19:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-09-21 09:19:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-09-21 09:19:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-09-21 09:19:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-09-21 09:19:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-09-21 09:19:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:19:37,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:19:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:19:37,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:19:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-09-21 09:19:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-09-21 09:19:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-21 09:19:37,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-21 09:19:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-09-21 09:19:37,058 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-09-21 09:19:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-21 09:19:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-21 09:19:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:19:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:19:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-09-21 09:19:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-09-21 09:19:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-21 09:19:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-21 09:19:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:19:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-21 09:19:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:19:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:19:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-21 09:19:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-21 09:19:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:19:37,825 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:19:37,952 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-21 09:19:37,952 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-21 09:19:37,953 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 09:19:37,953 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 09:19:37,954 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:19:38,002 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-09-21 09:19:38,003 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-09-21 09:19:38,236 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-21 09:19:38,878 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:19:38,878 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:19:38,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:19:38 BoogieIcfgContainer [2019-09-21 09:19:38,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:19:38,880 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:19:38,880 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:19:38,880 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:19:38,882 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:19:38" (1/1) ... [2019-09-21 09:19:38,882 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:19:38,909 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:19:38,909 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:19:38,923 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:19:38,934 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:19:38,935 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:19:39,358 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 28 for LOIs [2019-09-21 09:19:39,841 INFO L199 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 24 for LOIs [2019-09-21 09:19:39,888 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put_2 with input of size 54 for LOIs [2019-09-21 09:19:39,896 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 54 for LOIs [2019-09-21 09:19:39,906 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 26 for LOIs [2019-09-21 09:19:39,914 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 1 for LOIs [2019-09-21 09:19:39,915 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:19:39,916 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:19:39,919 INFO L193 IcfgInterpreter]: Reachable states at location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 180#true [2019-09-21 09:19:39,934 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:19:39,935 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:19:39,937 INFO L168 Benchmark]: Toolchain (without parser) took 4374.59 ms. Allocated memory was 130.5 MB in the beginning and 277.3 MB in the end (delta: 146.8 MB). Free memory was 78.9 MB in the beginning and 148.8 MB in the end (delta: -69.9 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,939 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1304.77 ms. Allocated memory was 130.5 MB in the beginning and 211.3 MB in the end (delta: 80.7 MB). Free memory was 78.7 MB in the beginning and 135.3 MB in the end (delta: -56.7 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,942 INFO L168 Benchmark]: Boogie Preprocessor took 75.94 ms. Allocated memory is still 211.3 MB. Free memory was 135.3 MB in the beginning and 131.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,950 INFO L168 Benchmark]: RCFGBuilder took 1931.21 ms. Allocated memory was 211.3 MB in the beginning and 277.3 MB in the end (delta: 66.1 MB). Free memory was 131.8 MB in the beginning and 218.3 MB in the end (delta: -86.5 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,951 INFO L168 Benchmark]: Sifa took 1054.75 ms. Allocated memory is still 277.3 MB. Free memory was 218.3 MB in the beginning and 148.8 MB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:19:39,961 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1304.77 ms. Allocated memory was 130.5 MB in the beginning and 211.3 MB in the end (delta: 80.7 MB). Free memory was 78.7 MB in the beginning and 135.3 MB in the end (delta: -56.7 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.94 ms. Allocated memory is still 211.3 MB. Free memory was 135.3 MB in the beginning and 131.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1931.21 ms. Allocated memory was 211.3 MB in the beginning and 277.3 MB in the end (delta: 66.1 MB). Free memory was 131.8 MB in the beginning and 218.3 MB in the end (delta: -86.5 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * Sifa took 1054.75 ms. Allocated memory is still 277.3 MB. Free memory was 218.3 MB in the beginning and 148.8 MB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 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]: 1011, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 128, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 94, TOOLS_POST_TIME[ms]: 385, TOOLS_POST_CALL_APPLICATIONS: 26, TOOLS_POST_CALL_TIME[ms]: 139, TOOLS_POST_RETURN_APPLICATIONS: 19, TOOLS_POST_RETURN_TIME[ms]: 31, TOOLS_QUANTIFIERELIM_APPLICATIONS: 139, TOOLS_QUANTIFIERELIM_TIME[ms]: 479, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 314, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 137, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 35, DOMAIN_JOIN_TIME[ms]: 218, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 11, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 44, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 44, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 213, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 212, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 19, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 504, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 504, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 35, DAG_COMPRESSION_PROCESSED_NODES: 255, DAG_COMPRESSION_RETAINED_NODES: 129 - UnprovableResult [Line: 4984]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 180#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...