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-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 01:20:28,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 01:20:28,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 01:20:28,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 01:20:28,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 01:20:28,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 01:20:28,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 01:20:28,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 01:20:28,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 01:20:28,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 01:20:28,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 01:20:28,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 01:20:28,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 01:20:28,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 01:20:28,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 01:20:28,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 01:20:28,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 01:20:28,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 01:20:28,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 01:20:28,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 01:20:28,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 01:20:28,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 01:20:28,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 01:20:28,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 01:20:28,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 01:20:28,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 01:20:28,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 01:20:28,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 01:20:28,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 01:20:28,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 01:20:28,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 01:20:28,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 01:20:28,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 01:20:28,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 01:20:28,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 01:20:28,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 01:20:28,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 01:20:28,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 01:20:28,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 01:20:28,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 01:20:28,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 01:20:28,214 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 [2019-10-14 01:20:28,241 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 01:20:28,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 01:20:28,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 01:20:28,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 01:20:28,243 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 01:20:28,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 01:20:28,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 01:20:28,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 01:20:28,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 01:20:28,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 01:20:28,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 01:20:28,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 01:20:28,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 01:20:28,244 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 01:20:28,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 01:20:28,245 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 01:20:28,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 01:20:28,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 01:20:28,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 01:20:28,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 01:20:28,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 01:20:28,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 01:20:28,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 01:20:28,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 01:20:28,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 01:20:28,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 01:20:28,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 01:20:28,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 01:20:28,247 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 [2019-10-14 01:20:28,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 01:20:28,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 01:20:28,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 01:20:28,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 01:20:28,573 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 01:20:28,574 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-10-14 01:20:28,661 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10d34e885/9473dbba2b524d82b9e4ddb9bff9ae0b/FLAGb797f5055 [2019-10-14 01:20:29,437 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 01:20:29,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/module_get_put-drivers-net-pppox.ko.cil.out.i [2019-10-14 01:20:29,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10d34e885/9473dbba2b524d82b9e4ddb9bff9ae0b/FLAGb797f5055 [2019-10-14 01:20:29,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10d34e885/9473dbba2b524d82b9e4ddb9bff9ae0b [2019-10-14 01:20:29,516 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 01:20:29,518 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 01:20:29,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 01:20:29,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 01:20:29,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 01:20:29,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:20:29" (1/1) ... [2019-10-14 01:20:29,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b66671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:20:29, skipping insertion in model container [2019-10-14 01:20:29,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:20:29" (1/1) ... [2019-10-14 01:20:29,534 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 01:20:29,627 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 01:20:30,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 01:20:30,604 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 01:20:30,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 01:20:30,950 INFO L192 MainTranslator]: Completed translation [2019-10-14 01:20:30,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:20:30 WrapperNode [2019-10-14 01:20:30,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 01:20:30,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 01:20:30,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 01:20:30,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 01:20:30,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:20:30" (1/1) ... [2019-10-14 01:20:30,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:20:30" (1/1) ... [2019-10-14 01:20:31,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:20:30" (1/1) ... [2019-10-14 01:20:31,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:20:30" (1/1) ... [2019-10-14 01:20:31,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:20:30" (1/1) ... [2019-10-14 01:20:31,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:20:30" (1/1) ... [2019-10-14 01:20:31,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:20:30" (1/1) ... [2019-10-14 01:20:31,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 01:20:31,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 01:20:31,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 01:20:31,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 01:20:31,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:20:30" (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 [2019-10-14 01:20:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 01:20:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 01:20:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-14 01:20:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-14 01:20:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock [2019-10-14 01:20:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_sk [2019-10-14 01:20:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure register_pppox_proto [2019-10-14 01:20:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pppox_proto [2019-10-14 01:20:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_unbind_sock [2019-10-14 01:20:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_ioctl [2019-10-14 01:20:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_create [2019-10-14 01:20:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_init [2019-10-14 01:20:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pppox_exit [2019-10-14 01:20:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 01:20:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2019-10-14 01:20:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-14 01:20:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-14 01:20:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-14 01:20:31,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-14 01:20:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-14 01:20:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 01:20:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_1 [2019-10-14 01:20:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_2 [2019-10-14 01:20:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-14 01:20:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 01:20:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_int [2019-10-14 01:20:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_sock_nested [2019-10-14 01:20:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-14 01:20:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_index [2019-10-14 01:20:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2019-10-14 01:20:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure release_sock [2019-10-14 01:20:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_register [2019-10-14 01:20:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_unregister [2019-10-14 01:20:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 01:20:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 01:20:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 01:20:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-14 01:20:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-14 01:20:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_1 [2019-10-14 01:20:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_2 [2019-10-14 01:20:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-14 01:20:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-14 01:20:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-14 01:20:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-14 01:20:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-14 01:20:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure sock_register [2019-10-14 01:20:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure sock_unregister [2019-10-14 01:20:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2019-10-14 01:20:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_index [2019-10-14 01:20:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock_nested [2019-10-14 01:20:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure lock_sock [2019-10-14 01:20:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure release_sock [2019-10-14 01:20:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_sk [2019-10-14 01:20:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure register_pppox_proto [2019-10-14 01:20:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pppox_proto [2019-10-14 01:20:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_unbind_sock [2019-10-14 01:20:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_ioctl [2019-10-14 01:20:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 01:20:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 01:20:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 01:20:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 01:20:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2019-10-14 01:20:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_create [2019-10-14 01:20:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 01:20:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-14 01:20:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_init [2019-10-14 01:20:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure pppox_exit [2019-10-14 01:20:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 01:20:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 01:20:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 01:20:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 01:20:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2019-10-14 01:20:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_int [2019-10-14 01:20:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 01:20:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 01:20:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 01:20:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 01:20:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 01:20:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 01:20:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 01:20:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 01:20:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 01:20:31,682 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 01:20:31,822 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-10-14 01:20:31,822 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-10-14 01:20:31,822 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-14 01:20:31,823 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-14 01:20:31,824 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 01:20:31,871 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-10-14 01:20:31,871 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-10-14 01:20:32,023 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-14 01:20:32,507 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 01:20:32,507 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 01:20:32,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:20:32 BoogieIcfgContainer [2019-10-14 01:20:32,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 01:20:32,510 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 01:20:32,510 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 01:20:32,510 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 01:20:32,511 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:20:32" (1/1) ... [2019-10-14 01:20:32,512 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 [2019-10-14 01:20:32,545 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 01:20:32,545 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 01:20:32,557 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 01:20:32,568 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 01:20:32,570 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 01:20:32,930 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-10-14 01:20:33,145 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 109 for LOIs [2019-10-14 01:20:34,469 INFO L199 IcfgInterpreter]: Interpreting procedure pppox_create with input of size 30 for LOIs [2019-10-14 01:20:34,505 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put_2 with input of size 60 for LOIs [2019-10-14 01:20:34,512 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_module_put with input of size 60 for LOIs [2019-10-14 01:20:34,521 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_check_final_state with input of size 117 for LOIs [2019-10-14 01:20:34,540 INFO L199 IcfgInterpreter]: Interpreting procedure ldv_blast_assert with input of size 63 for LOIs [2019-10-14 01:20:34,550 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 01:20:34,550 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 01:20:34,557 INFO L193 IcfgInterpreter]: Reachable states at location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 325#(or (exists ((|v_pppox_create_#in~protocol_BEFORE_CALL_6| Int)) (and (= |#NULL.base| 0) (not (= (mod (+ (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4))) (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4)))) 4294967296) 0)) (<= 0 |~#pppox_proto_family~0.offset|) (<= ~ldv_module_refcounter~0 1) (<= |#NULL.base| 0) (<= 0 |v_pppox_create_#in~protocol_BEFORE_CALL_6|) (<= 0 |#NULL.base|) (= |~#pppox_proto_family~0.offset| 0) (<= |v_pppox_create_#in~protocol_BEFORE_CALL_6| 3) (<= |~#pppox_protos~0.offset| 0) (<= 0 |~#pppox_protos~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4)))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4))) 8)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4)))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4))) 8))) 4294967296))) (<= |#t~string32.offset| 0) (<= 1 ~LDV_IN_INTERRUPT~0) (<= 0 |#t~string32.offset|) (<= |~#pppox_proto_family~0.offset| 0) (= |#t~string32.offset| 0) (<= ~LDV_IN_INTERRUPT~0 1) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (= |#NULL.offset| 0))) (and (= |#NULL.base| 0) (<= 0 |~#pppox_proto_family~0.offset|) (<= |#NULL.base| 0) (= |~#pppox_proto_family~0.offset| 0) (<= 0 |#NULL.base|) (<= |~#pppox_protos~0.offset| 0) (<= 0 |~#pppox_protos~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |#t~string32.offset| 0) (<= 1 ~LDV_IN_INTERRUPT~0) (<= 0 |#t~string32.offset|) (<= |~#pppox_proto_family~0.offset| 0) (= |#t~string32.offset| 0) (<= ~LDV_IN_INTERRUPT~0 1) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (= |#NULL.offset| 0) (not (= 1 ~ldv_module_refcounter~0)))) [2019-10-14 01:20:34,578 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 01:20:34,578 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 01:20:34,581 INFO L168 Benchmark]: Toolchain (without parser) took 5062.49 ms. Allocated memory was 137.9 MB in the beginning and 258.5 MB in the end (delta: 120.6 MB). Free memory was 96.0 MB in the beginning and 122.9 MB in the end (delta: -26.9 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. [2019-10-14 01:20:34,583 INFO L168 Benchmark]: CDTParser took 0.25 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: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-14 01:20:34,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1432.47 ms. Allocated memory was 137.9 MB in the beginning and 207.6 MB in the end (delta: 69.7 MB). Free memory was 95.7 MB in the beginning and 126.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2019-10-14 01:20:34,587 INFO L168 Benchmark]: Boogie Preprocessor took 150.19 ms. Allocated memory is still 207.6 MB. Free memory was 126.4 MB in the beginning and 122.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-10-14 01:20:34,593 INFO L168 Benchmark]: RCFGBuilder took 1407.31 ms. Allocated memory was 207.6 MB in the beginning and 239.6 MB in the end (delta: 32.0 MB). Free memory was 122.7 MB in the beginning and 144.4 MB in the end (delta: -21.8 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2019-10-14 01:20:34,595 INFO L168 Benchmark]: Sifa took 2068.38 ms. Allocated memory was 239.6 MB in the beginning and 258.5 MB in the end (delta: 18.9 MB). Free memory was 144.4 MB in the beginning and 122.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2019-10-14 01:20:34,606 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1432.47 ms. Allocated memory was 137.9 MB in the beginning and 207.6 MB in the end (delta: 69.7 MB). Free memory was 95.7 MB in the beginning and 126.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.19 ms. Allocated memory is still 207.6 MB. Free memory was 126.4 MB in the beginning and 122.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1407.31 ms. Allocated memory was 207.6 MB in the beginning and 239.6 MB in the end (delta: 32.0 MB). Free memory was 122.7 MB in the beginning and 144.4 MB in the end (delta: -21.8 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. * Sifa took 2068.38 ms. Allocated memory was 239.6 MB in the beginning and 258.5 MB in the end (delta: 18.9 MB). Free memory was 144.4 MB in the beginning and 122.9 MB in the end (delta: 21.6 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2013, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 128, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 94, TOOLS_POST_TIME[ms]: 462, TOOLS_POST_CALL_APPLICATIONS: 26, TOOLS_POST_CALL_TIME[ms]: 145, TOOLS_POST_RETURN_APPLICATIONS: 19, TOOLS_POST_RETURN_TIME[ms]: 65, TOOLS_QUANTIFIERELIM_APPLICATIONS: 139, TOOLS_QUANTIFIERELIM_TIME[ms]: 580, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 341, FLUID_QUERY_TIME[ms]: 14, FLUID_QUERIES: 137, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 35, DOMAIN_JOIN_TIME[ms]: 899, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 223, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 10, DOMAIN_ISBOTTOM_TIME[ms]: 25, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 775, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 774, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 19, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 781, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 781, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 36, 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 325#(or (exists ((|v_pppox_create_#in~protocol_BEFORE_CALL_6| Int)) (and (= |#NULL.base| 0) (not (= (mod (+ (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4))) (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4)))) 4294967296) 0)) (<= 0 |~#pppox_proto_family~0.offset|) (<= ~ldv_module_refcounter~0 1) (<= |#NULL.base| 0) (<= 0 |v_pppox_create_#in~protocol_BEFORE_CALL_6|) (<= 0 |#NULL.base|) (= |~#pppox_proto_family~0.offset| 0) (<= |v_pppox_create_#in~protocol_BEFORE_CALL_6| 3) (<= |~#pppox_protos~0.offset| 0) (<= 0 |~#pppox_protos~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (not (= 0 (mod (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4)))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4))) 8)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4)))) (+ (select (select |#memory_$Pointer$.offset| |~#pppox_protos~0.base|) (+ |~#pppox_protos~0.offset| (* |v_pppox_create_#in~protocol_BEFORE_CALL_6| 4))) 8))) 4294967296))) (<= |#t~string32.offset| 0) (<= 1 ~LDV_IN_INTERRUPT~0) (<= 0 |#t~string32.offset|) (<= |~#pppox_proto_family~0.offset| 0) (= |#t~string32.offset| 0) (<= ~LDV_IN_INTERRUPT~0 1) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (= |#NULL.offset| 0))) (and (= |#NULL.base| 0) (<= 0 |~#pppox_proto_family~0.offset|) (<= |#NULL.base| 0) (= |~#pppox_proto_family~0.offset| 0) (<= 0 |#NULL.base|) (<= |~#pppox_protos~0.offset| 0) (<= 0 |~#pppox_protos~0.offset|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |#t~string32.offset| 0) (<= 1 ~LDV_IN_INTERRUPT~0) (<= 0 |#t~string32.offset|) (<= |~#pppox_proto_family~0.offset| 0) (= |#t~string32.offset| 0) (<= ~LDV_IN_INTERRUPT~0 1) (= |~#pppox_protos~0.offset| 0) (= ~LDV_IN_INTERRUPT~0 1) (= |#NULL.offset| 0) (not (= 1 ~ldv_module_refcounter~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...