./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 f470102c 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-f470102 [2019-11-28 14:43:34,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 14:43:34,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 14:43:34,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 14:43:34,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 14:43:34,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 14:43:34,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 14:43:34,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 14:43:34,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 14:43:34,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 14:43:34,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 14:43:34,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 14:43:34,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 14:43:34,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 14:43:34,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 14:43:34,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 14:43:34,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 14:43:34,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 14:43:34,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 14:43:34,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 14:43:34,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 14:43:34,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 14:43:34,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 14:43:34,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 14:43:34,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 14:43:34,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 14:43:34,141 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 14:43:34,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 14:43:34,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 14:43:34,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 14:43:34,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 14:43:34,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 14:43:34,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 14:43:34,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 14:43:34,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 14:43:34,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 14:43:34,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 14:43:34,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 14:43:34,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 14:43:34,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 14:43:34,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 14:43:34,158 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 14:43:34,190 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 14:43:34,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 14:43:34,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 14:43:34,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 14:43:34,192 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 14:43:34,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 14:43:34,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 14:43:34,193 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 14:43:34,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 14:43:34,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 14:43:34,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 14:43:34,194 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 14:43:34,194 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 14:43:34,194 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 14:43:34,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 14:43:34,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 14:43:34,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 14:43:34,195 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 14:43:34,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 14:43:34,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 14:43:34,196 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 14:43:34,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 14:43:34,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 14:43:34,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 14:43:34,197 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 14:43:34,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 14:43:34,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 14:43:34,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 14:43:34,198 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 [2019-11-28 14:43:34,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 14:43:34,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 14:43:34,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 14:43:34,531 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 14:43:34,532 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 14:43:34,534 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-28 14:43:34,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20b3c2939/6c27100efce946a5857148e86685f5fd/FLAG75256df58 [2019-11-28 14:43:35,153 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 14:43:35,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-28 14:43:35,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20b3c2939/6c27100efce946a5857148e86685f5fd/FLAG75256df58 [2019-11-28 14:43:35,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20b3c2939/6c27100efce946a5857148e86685f5fd [2019-11-28 14:43:35,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 14:43:35,448 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 14:43:35,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 14:43:35,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 14:43:35,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 14:43:35,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:35" (1/1) ... [2019-11-28 14:43:35,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:35, skipping insertion in model container [2019-11-28 14:43:35,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:43:35" (1/1) ... [2019-11-28 14:43:35,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 14:43:35,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 14:43:35,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 14:43:35,856 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 14:43:36,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 14:43:36,033 INFO L208 MainTranslator]: Completed translation [2019-11-28 14:43:36,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:36 WrapperNode [2019-11-28 14:43:36,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 14:43:36,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 14:43:36,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 14:43:36,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 14:43:36,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:36" (1/1) ... [2019-11-28 14:43:36,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:36" (1/1) ... [2019-11-28 14:43:36,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:36" (1/1) ... [2019-11-28 14:43:36,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:36" (1/1) ... [2019-11-28 14:43:36,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:36" (1/1) ... [2019-11-28 14:43:36,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:36" (1/1) ... [2019-11-28 14:43:36,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:36" (1/1) ... [2019-11-28 14:43:36,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 14:43:36,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 14:43:36,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 14:43:36,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 14:43:36,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 14:43:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 14:43:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 14:43:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-11-28 14:43:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-11-28 14:43:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-11-28 14:43:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 14:43:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-11-28 14:43:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-11-28 14:43:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-11-28 14:43:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-11-28 14:43:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-11-28 14:43:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-11-28 14:43:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-11-28 14:43:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-11-28 14:43:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-11-28 14:43:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-11-28 14:43:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-11-28 14:43:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-11-28 14:43:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 14:43:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-28 14:43:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 14:43:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-28 14:43:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-11-28 14:43:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-11-28 14:43:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-11-28 14:43:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-11-28 14:43:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-11-28 14:43:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-11-28 14:43:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-11-28 14:43:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-11-28 14:43:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-11-28 14:43:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-11-28 14:43:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-11-28 14:43:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-11-28 14:43:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-11-28 14:43:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-11-28 14:43:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 14:43:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-11-28 14:43:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 14:43:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 14:43:36,441 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 14:43:36,535 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-11-28 14:43:36,535 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-11-28 14:43:36,564 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 14:43:36,699 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-11-28 14:43:36,699 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-11-28 14:43:36,701 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 14:43:36,748 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-28 14:43:36,748 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-28 14:43:36,765 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 14:43:36,817 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-28 14:43:36,817 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-28 14:43:36,921 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 14:43:36,940 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-11-28 14:43:36,940 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-11-28 14:43:36,962 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 14:43:37,084 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-11-28 14:43:37,085 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-11-28 14:43:37,097 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 14:43:37,098 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 14:43:37,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:37 BoogieIcfgContainer [2019-11-28 14:43:37,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 14:43:37,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 14:43:37,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 14:43:37,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 14:43:37,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:43:35" (1/3) ... [2019-11-28 14:43:37,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51195beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:43:37, skipping insertion in model container [2019-11-28 14:43:37,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:43:36" (2/3) ... [2019-11-28 14:43:37,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51195beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:43:37, skipping insertion in model container [2019-11-28 14:43:37,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:37" (3/3) ... [2019-11-28 14:43:37,112 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2019-11-28 14:43:37,123 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 14:43:37,133 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-28 14:43:37,147 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-28 14:43:37,172 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 14:43:37,173 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 14:43:37,173 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 14:43:37,173 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 14:43:37,174 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 14:43:37,174 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 14:43:37,174 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 14:43:37,174 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 14:43:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states. [2019-11-28 14:43:37,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 14:43:37,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:43:37 BoogieIcfgContainer [2019-11-28 14:43:37,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 14:43:37,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 14:43:37,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 14:43:37,232 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 14:43:37,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:43:37" (3/4) ... [2019-11-28 14:43:37,235 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 14:43:37,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-11-28 14:43:37,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_Complete [2019-11-28 14:43:37,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-11-28 14:43:37,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_Power [2019-11-28 14:43:37,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-11-28 14:43:37,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-11-28 14:43:37,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 14:43:37,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-11-28 14:43:37,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-11-28 14:43:37,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PoCallDriver [2019-11-28 14:43:37,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 14:43:37,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_CreateClose [2019-11-28 14:43:37,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_InternIoCtl [2019-11-28 14:43:37,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-11-28 14:43:37,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-11-28 14:43:37,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_DispatchPassThrough [2019-11-28 14:43:37,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_PnP [2019-11-28 14:43:37,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2019-11-28 14:43:37,265 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2019-11-28 14:43:37,267 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 14:43:37,482 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 14:43:37,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 14:43:37,485 INFO L168 Benchmark]: Toolchain (without parser) took 2036.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 951.0 MB in the beginning and 991.1 MB in the end (delta: -40.2 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. [2019-11-28 14:43:37,485 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 14:43:37,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-11-28 14:43:37,486 INFO L168 Benchmark]: Boogie Preprocessor took 66.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-28 14:43:37,487 INFO L168 Benchmark]: RCFGBuilder took 1000.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. [2019-11-28 14:43:37,487 INFO L168 Benchmark]: TraceAbstraction took 128.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 14:43:37,488 INFO L168 Benchmark]: Witness Printer took 251.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 991.1 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 14:43:37,490 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 584.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1000.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 128.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 251.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 991.1 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 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...