./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c1f4b5c4 Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.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 99a77f5372e1d3174eb539425b8da52ff3b34c76 ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-c1f4b5c [2019-12-08 16:26:39,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 16:26:39,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 16:26:39,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 16:26:39,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 16:26:39,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 16:26:39,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 16:26:39,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 16:26:39,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 16:26:39,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 16:26:39,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 16:26:39,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 16:26:39,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 16:26:39,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 16:26:39,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 16:26:39,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 16:26:39,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 16:26:39,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 16:26:39,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 16:26:39,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 16:26:39,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 16:26:39,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 16:26:39,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 16:26:39,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 16:26:39,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 16:26:39,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 16:26:39,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 16:26:39,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 16:26:39,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 16:26:39,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 16:26:39,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 16:26:39,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 16:26:39,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 16:26:39,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 16:26:39,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 16:26:39,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 16:26:39,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 16:26:39,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 16:26:39,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 16:26:39,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 16:26:39,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 16:26:39,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-12-08 16:26:39,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 16:26:39,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 16:26:39,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 16:26:39,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 16:26:39,462 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 16:26:39,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 16:26:39,463 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 16:26:39,463 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-08 16:26:39,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-08 16:26:39,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 16:26:39,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 16:26:39,464 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-08 16:26:39,464 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-08 16:26:39,465 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-08 16:26:39,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 16:26:39,465 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-08 16:26:39,465 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 16:26:39,466 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 16:26:39,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 16:26:39,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 16:26:39,467 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 16:26:39,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 16:26:39,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 16:26:39,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 16:26:39,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 16:26:39,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-08 16:26:39,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-08 16:26:39,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 16:26:39,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 99a77f5372e1d3174eb539425b8da52ff3b34c76 [2019-12-08 16:26:39,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 16:26:39,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 16:26:39,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 16:26:39,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 16:26:39,785 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 16:26:39,786 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-12-08 16:26:39,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8bdc2f01/aa058115f85c4ddfa799a1cefb4e212b/FLAG30a17c628 [2019-12-08 16:26:40,369 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 16:26:40,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-12-08 16:26:40,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8bdc2f01/aa058115f85c4ddfa799a1cefb4e212b/FLAG30a17c628 [2019-12-08 16:26:40,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8bdc2f01/aa058115f85c4ddfa799a1cefb4e212b [2019-12-08 16:26:40,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 16:26:40,672 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-08 16:26:40,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 16:26:40,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 16:26:40,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 16:26:40,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:26:40" (1/1) ... [2019-12-08 16:26:40,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20bd4c8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:40, skipping insertion in model container [2019-12-08 16:26:40,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:26:40" (1/1) ... [2019-12-08 16:26:40,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 16:26:40,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 16:26:41,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 16:26:41,059 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 16:26:41,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 16:26:41,230 INFO L208 MainTranslator]: Completed translation [2019-12-08 16:26:41,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:41 WrapperNode [2019-12-08 16:26:41,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 16:26:41,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 16:26:41,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 16:26:41,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 16:26:41,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:41" (1/1) ... [2019-12-08 16:26:41,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:41" (1/1) ... [2019-12-08 16:26:41,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:41" (1/1) ... [2019-12-08 16:26:41,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:41" (1/1) ... [2019-12-08 16:26:41,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:41" (1/1) ... [2019-12-08 16:26:41,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:41" (1/1) ... [2019-12-08 16:26:41,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:41" (1/1) ... [2019-12-08 16:26:41,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 16:26:41,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 16:26:41,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 16:26:41,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 16:26:41,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:41" (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 [2019-12-08 16:26:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-08 16:26:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 16:26:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-12-08 16:26:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-12-08 16:26:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-12-08 16:26:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-08 16:26:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-12-08 16:26:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-12-08 16:26:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-12-08 16:26:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-12-08 16:26:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-12-08 16:26:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-12-08 16:26:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-12-08 16:26:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-12-08 16:26:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-12-08 16:26:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-12-08 16:26:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-12-08 16:26:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-12-08 16:26:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-12-08 16:26:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-12-08 16:26:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-08 16:26:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-12-08 16:26:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-12-08 16:26:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-12-08 16:26:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-12-08 16:26:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-12-08 16:26:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-12-08 16:26:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-12-08 16:26:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-12-08 16:26:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-12-08 16:26:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-12-08 16:26:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-12-08 16:26:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-12-08 16:26:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-12-08 16:26:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-12-08 16:26:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-12-08 16:26:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-08 16:26:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-12-08 16:26:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-08 16:26:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 16:26:41,625 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-08 16:26:41,729 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-12-08 16:26:41,729 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-12-08 16:26:41,759 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-08 16:26:41,924 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-12-08 16:26:41,924 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-12-08 16:26:41,926 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-08 16:26:41,973 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-12-08 16:26:41,973 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-12-08 16:26:41,983 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-08 16:26:42,048 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-12-08 16:26:42,048 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-12-08 16:26:42,150 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-08 16:26:42,177 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-12-08 16:26:42,178 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-12-08 16:26:42,205 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-08 16:26:42,302 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-12-08 16:26:42,302 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-12-08 16:26:42,315 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 16:26:42,316 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-12-08 16:26:42,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:26:42 BoogieIcfgContainer [2019-12-08 16:26:42,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 16:26:42,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 16:26:42,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 16:26:42,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 16:26:42,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:26:40" (1/3) ... [2019-12-08 16:26:42,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb62b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:26:42, skipping insertion in model container [2019-12-08 16:26:42,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:26:41" (2/3) ... [2019-12-08 16:26:42,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb62b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:26:42, skipping insertion in model container [2019-12-08 16:26:42,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:26:42" (3/3) ... [2019-12-08 16:26:42,332 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2019-12-08 16:26:42,343 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 16:26:42,356 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-08 16:26:42,366 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-08 16:26:42,387 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 16:26:42,387 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-08 16:26:42,387 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 16:26:42,388 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 16:26:42,388 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 16:26:42,388 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 16:26:42,388 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 16:26:42,388 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 16:26:42,413 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states. [2019-12-08 16:26:42,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-08 16:26:42,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:26:42 BoogieIcfgContainer [2019-12-08 16:26:42,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 16:26:42,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 16:26:42,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 16:26:42,437 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 16:26:42,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:26:42" (3/4) ... [2019-12-08 16:26:42,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-08 16:26:42,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-12-08 16:26:42,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_Complete [2019-12-08 16:26:42,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-12-08 16:26:42,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_Power [2019-12-08 16:26:42,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-12-08 16:26:42,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-12-08 16:26:42,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-12-08 16:26:42,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-12-08 16:26:42,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-12-08 16:26:42,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PoCallDriver [2019-12-08 16:26:42,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-12-08 16:26:42,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_CreateClose [2019-12-08 16:26:42,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_InternIoCtl [2019-12-08 16:26:42,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-12-08 16:26:42,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-12-08 16:26:42,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_DispatchPassThrough [2019-12-08 16:26:42,453 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_PnP [2019-12-08 16:26:42,472 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2019-12-08 16:26:42,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2019-12-08 16:26:42,475 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-08 16:26:42,665 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-12-08 16:26:42,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 16:26:42,669 INFO L168 Benchmark]: Toolchain (without parser) took 1996.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 957.7 MB in the beginning and 998.7 MB in the end (delta: -41.0 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. [2019-12-08 16:26:42,669 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 16:26:42,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 558.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-12-08 16:26:42,670 INFO L168 Benchmark]: Boogie Preprocessor took 80.21 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-08 16:26:42,671 INFO L168 Benchmark]: RCFGBuilder took 1005.81 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: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. [2019-12-08 16:26:42,671 INFO L168 Benchmark]: TraceAbstraction took 115.72 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-08 16:26:42,672 INFO L168 Benchmark]: Witness Printer took 228.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.7 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-12-08 16:26:42,674 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 558.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -152.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.21 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1005.81 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: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 115.72 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 228.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.7 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 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, 239 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=239occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 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...