./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ntdrivers-simplified/kbfiltr_simpl2_true-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ntdrivers-simplified/kbfiltr_simpl2_true-unreach-call_true-valid-memsafety_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 411af8a324a718637cdc1e76e82ebb1de5e49e9c .................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 20:48:22,260 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 20:48:22,262 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 20:48:22,278 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 20:48:22,280 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 20:48:22,282 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 20:48:22,286 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 20:48:22,298 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 20:48:22,301 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 20:48:22,304 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 20:48:22,307 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 20:48:22,308 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 20:48:22,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 20:48:22,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 20:48:22,314 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 20:48:22,315 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 20:48:22,316 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 20:48:22,320 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 20:48:22,331 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 20:48:22,332 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 20:48:22,333 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 20:48:22,338 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 20:48:22,344 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 20:48:22,344 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 20:48:22,344 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 20:48:22,345 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 20:48:22,346 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 20:48:22,349 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 20:48:22,350 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 20:48:22,351 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 20:48:22,351 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 20:48:22,354 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 20:48:22,356 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 20:48:22,356 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 20:48:22,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 20:48:22,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 20:48:22,359 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 20:48:22,386 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 20:48:22,386 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 20:48:22,387 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 20:48:22,388 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 20:48:22,388 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 20:48:22,388 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 20:48:22,388 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 20:48:22,388 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 20:48:22,388 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 20:48:22,389 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 20:48:22,390 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 20:48:22,390 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 20:48:22,390 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 20:48:22,390 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 20:48:22,390 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 20:48:22,391 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 20:48:22,391 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 20:48:22,392 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 20:48:22,392 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 20:48:22,392 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 20:48:22,392 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 20:48:22,392 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 20:48:22,392 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 20:48:22,395 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 20:48:22,395 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 20:48:22,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 411af8a324a718637cdc1e76e82ebb1de5e49e9c [2019-01-14 20:48:22,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 20:48:22,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 20:48:22,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 20:48:22,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 20:48:22,465 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 20:48:22,466 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ntdrivers-simplified/kbfiltr_simpl2_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2019-01-14 20:48:22,522 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0139d9853/401924d5439e4ab897f87ec97d1aa875/FLAG8375f52ad [2019-01-14 20:48:22,997 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 20:48:22,998 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ntdrivers-simplified/kbfiltr_simpl2_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2019-01-14 20:48:23,013 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0139d9853/401924d5439e4ab897f87ec97d1aa875/FLAG8375f52ad [2019-01-14 20:48:23,322 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0139d9853/401924d5439e4ab897f87ec97d1aa875 [2019-01-14 20:48:23,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 20:48:23,326 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 20:48:23,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 20:48:23,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 20:48:23,331 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 20:48:23,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 08:48:23" (1/1) ... [2019-01-14 20:48:23,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33810a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:23, skipping insertion in model container [2019-01-14 20:48:23,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 08:48:23" (1/1) ... [2019-01-14 20:48:23,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 20:48:23,417 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 20:48:23,759 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 20:48:23,765 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 20:48:23,883 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 20:48:23,905 INFO L195 MainTranslator]: Completed translation [2019-01-14 20:48:23,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:23 WrapperNode [2019-01-14 20:48:23,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 20:48:23,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 20:48:23,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 20:48:23,907 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 20:48:23,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:23" (1/1) ... [2019-01-14 20:48:23,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:23" (1/1) ... [2019-01-14 20:48:24,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:23" (1/1) ... [2019-01-14 20:48:24,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:23" (1/1) ... [2019-01-14 20:48:24,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:23" (1/1) ... [2019-01-14 20:48:24,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:23" (1/1) ... [2019-01-14 20:48:24,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:23" (1/1) ... [2019-01-14 20:48:24,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 20:48:24,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 20:48:24,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 20:48:24,077 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 20:48:24,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 20:48:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 20:48:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 20:48:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-01-14 20:48:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-01-14 20:48:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-01-14 20:48:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 20:48:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-01-14 20:48:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-01-14 20:48:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-01-14 20:48:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-01-14 20:48:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-01-14 20:48:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-01-14 20:48:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-01-14 20:48:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-01-14 20:48:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-01-14 20:48:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-01-14 20:48:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-01-14 20:48:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-01-14 20:48:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-14 20:48:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-01-14 20:48:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 20:48:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-01-14 20:48:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-14 20:48:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-01-14 20:48:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-01-14 20:48:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-01-14 20:48:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-01-14 20:48:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-01-14 20:48:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-01-14 20:48:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-01-14 20:48:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-01-14 20:48:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-01-14 20:48:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-01-14 20:48:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-01-14 20:48:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-01-14 20:48:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-01-14 20:48:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-01-14 20:48:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 20:48:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-01-14 20:48:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 20:48:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 20:48:24,464 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:24,621 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-01-14 20:48:24,621 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-01-14 20:48:24,648 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:24,966 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-01-14 20:48:24,966 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-01-14 20:48:24,968 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:25,044 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-01-14 20:48:25,045 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-01-14 20:48:25,059 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:25,115 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-01-14 20:48:25,116 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-01-14 20:48:25,359 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:25,381 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-01-14 20:48:25,381 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-01-14 20:48:25,413 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:25,577 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-01-14 20:48:25,577 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-01-14 20:48:25,586 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 20:48:25,586 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-14 20:48:25,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 08:48:25 BoogieIcfgContainer [2019-01-14 20:48:25,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 20:48:25,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 20:48:25,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 20:48:25,595 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 20:48:25,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 08:48:23" (1/3) ... [2019-01-14 20:48:25,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e45e606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 08:48:25, skipping insertion in model container [2019-01-14 20:48:25,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:23" (2/3) ... [2019-01-14 20:48:25,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e45e606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 08:48:25, skipping insertion in model container [2019-01-14 20:48:25,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 08:48:25" (3/3) ... [2019-01-14 20:48:25,599 INFO L112 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2019-01-14 20:48:25,610 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 20:48:25,619 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-01-14 20:48:25,636 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-01-14 20:48:25,663 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 20:48:25,664 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 20:48:25,665 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 20:48:25,665 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 20:48:25,665 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 20:48:25,665 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 20:48:25,665 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 20:48:25,666 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 20:48:25,666 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 20:48:25,691 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states. [2019-01-14 20:48:25,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 20:48:25,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 08:48:25 BoogieIcfgContainer [2019-01-14 20:48:25,715 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 20:48:25,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 20:48:25,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 20:48:25,715 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 20:48:25,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 08:48:25" (3/4) ... [2019-01-14 20:48:25,720 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 20:48:25,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-01-14 20:48:25,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_Complete [2019-01-14 20:48:25,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-01-14 20:48:25,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_Power [2019-01-14 20:48:25,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-01-14 20:48:25,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-01-14 20:48:25,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-14 20:48:25,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-01-14 20:48:25,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-01-14 20:48:25,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PoCallDriver [2019-01-14 20:48:25,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-14 20:48:25,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_CreateClose [2019-01-14 20:48:25,731 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_InternIoCtl [2019-01-14 20:48:25,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-01-14 20:48:25,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-01-14 20:48:25,732 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_DispatchPassThrough [2019-01-14 20:48:25,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_PnP [2019-01-14 20:48:25,754 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2019-01-14 20:48:25,755 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2019-01-14 20:48:25,757 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-14 20:48:25,962 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 20:48:25,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 20:48:25,963 INFO L168 Benchmark]: Toolchain (without parser) took 2637.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.6 MB in the beginning and 1.0 GB in the end (delta: -80.6 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:25,965 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 20:48:25,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.09 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 923.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:25,966 INFO L168 Benchmark]: Boogie Preprocessor took 170.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:25,967 INFO L168 Benchmark]: RCFGBuilder took 1514.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:25,968 INFO L168 Benchmark]: TraceAbstraction took 122.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:25,968 INFO L168 Benchmark]: Witness Printer took 247.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:25,971 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 579.09 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 923.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 170.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -199.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1514.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 122.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 247.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 238 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...