./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 f4d5612c 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 0.1.24-f4d5612 [2019-11-28 12:51:58,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 12:51:58,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 12:51:58,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 12:51:58,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 12:51:58,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 12:51:58,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 12:51:58,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 12:51:58,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 12:51:58,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 12:51:58,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 12:51:58,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 12:51:58,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 12:51:58,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 12:51:58,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 12:51:58,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 12:51:58,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 12:51:58,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 12:51:58,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 12:51:58,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 12:51:58,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 12:51:58,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 12:51:58,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 12:51:58,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 12:51:58,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 12:51:58,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 12:51:58,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 12:51:58,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 12:51:58,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 12:51:58,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 12:51:58,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 12:51:58,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 12:51:58,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 12:51:58,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 12:51:58,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 12:51:58,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 12:51:58,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 12:51:58,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 12:51:58,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 12:51:58,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 12:51:58,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 12:51:58,625 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 12:51:58,640 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 12:51:58,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 12:51:58,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 12:51:58,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 12:51:58,642 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 12:51:58,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 12:51:58,643 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 12:51:58,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 12:51:58,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 12:51:58,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 12:51:58,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 12:51:58,644 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 12:51:58,644 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 12:51:58,645 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 12:51:58,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 12:51:58,645 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 12:51:58,645 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 12:51:58,646 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 12:51:58,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 12:51:58,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 12:51:58,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 12:51:58,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 12:51:58,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 12:51:58,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 12:51:58,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 12:51:58,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 12:51:58,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 12:51:58,648 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 12:51:58,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 12:51:58,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 12:51:58,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 12:51:58,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 12:51:58,991 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 12:51:58,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-28 12:51:59,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ca7f647c/8dba0b474ff245fe9f0b1c328f552359/FLAGdcfb4ea0f [2019-11-28 12:51:59,515 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 12:51:59,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-28 12:51:59,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ca7f647c/8dba0b474ff245fe9f0b1c328f552359/FLAGdcfb4ea0f [2019-11-28 12:51:59,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ca7f647c/8dba0b474ff245fe9f0b1c328f552359 [2019-11-28 12:51:59,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 12:51:59,904 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 12:51:59,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 12:51:59,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 12:51:59,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 12:51:59,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:51:59" (1/1) ... [2019-11-28 12:51:59,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b8413c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:51:59, skipping insertion in model container [2019-11-28 12:51:59,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:51:59" (1/1) ... [2019-11-28 12:51:59,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 12:51:59,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 12:52:00,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:52:00,378 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 12:52:00,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 12:52:00,493 INFO L208 MainTranslator]: Completed translation [2019-11-28 12:52:00,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:00 WrapperNode [2019-11-28 12:52:00,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 12:52:00,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 12:52:00,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 12:52:00,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 12:52:00,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:00" (1/1) ... [2019-11-28 12:52:00,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:00" (1/1) ... [2019-11-28 12:52:00,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:00" (1/1) ... [2019-11-28 12:52:00,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:00" (1/1) ... [2019-11-28 12:52:00,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:00" (1/1) ... [2019-11-28 12:52:00,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:00" (1/1) ... [2019-11-28 12:52:00,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:00" (1/1) ... [2019-11-28 12:52:00,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 12:52:00,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 12:52:00,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 12:52:00,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 12:52:00,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:00" (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 12:52:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 12:52:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 12:52:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-11-28 12:52:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-11-28 12:52:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-11-28 12:52:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 12:52:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-11-28 12:52:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-11-28 12:52:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-11-28 12:52:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-11-28 12:52:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-11-28 12:52:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-11-28 12:52:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-11-28 12:52:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-11-28 12:52:00,703 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-11-28 12:52:00,703 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-11-28 12:52:00,703 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-11-28 12:52:00,705 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-11-28 12:52:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 12:52:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-28 12:52:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 12:52:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-28 12:52:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-11-28 12:52:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-11-28 12:52:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-11-28 12:52:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-11-28 12:52:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-11-28 12:52:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-11-28 12:52:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-11-28 12:52:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-11-28 12:52:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-11-28 12:52:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-11-28 12:52:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-11-28 12:52:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-11-28 12:52:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-11-28 12:52:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-11-28 12:52:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 12:52:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-11-28 12:52:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 12:52:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 12:52:01,017 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 12:52:01,126 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-11-28 12:52:01,127 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-11-28 12:52:01,148 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 12:52:01,256 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-11-28 12:52:01,256 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-11-28 12:52:01,257 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 12:52:01,305 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-28 12:52:01,305 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-28 12:52:01,312 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 12:52:01,375 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-28 12:52:01,376 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-28 12:52:01,472 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 12:52:01,507 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-11-28 12:52:01,507 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-11-28 12:52:01,536 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 12:52:01,659 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-11-28 12:52:01,659 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-11-28 12:52:01,674 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 12:52:01,676 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-28 12:52:01,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:52:01 BoogieIcfgContainer [2019-11-28 12:52:01,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 12:52:01,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 12:52:01,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 12:52:01,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 12:52:01,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:51:59" (1/3) ... [2019-11-28 12:52:01,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155782af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:52:01, skipping insertion in model container [2019-11-28 12:52:01,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:52:00" (2/3) ... [2019-11-28 12:52:01,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155782af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:52:01, skipping insertion in model container [2019-11-28 12:52:01,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:52:01" (3/3) ... [2019-11-28 12:52:01,691 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2019-11-28 12:52:01,702 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 12:52:01,712 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-28 12:52:01,726 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-28 12:52:01,751 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 12:52:01,752 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 12:52:01,752 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 12:52:01,752 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 12:52:01,752 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 12:52:01,753 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 12:52:01,753 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 12:52:01,753 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 12:52:01,790 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states. [2019-11-28 12:52:01,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 12:52:01,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:52:01 BoogieIcfgContainer [2019-11-28 12:52:01,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 12:52:01,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 12:52:01,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 12:52:01,833 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 12:52:01,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:52:01" (3/4) ... [2019-11-28 12:52:01,839 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 12:52:01,849 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-11-28 12:52:01,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_Complete [2019-11-28 12:52:01,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-11-28 12:52:01,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_Power [2019-11-28 12:52:01,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-11-28 12:52:01,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-11-28 12:52:01,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 12:52:01,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-11-28 12:52:01,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-11-28 12:52:01,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PoCallDriver [2019-11-28 12:52:01,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 12:52:01,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_CreateClose [2019-11-28 12:52:01,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_InternIoCtl [2019-11-28 12:52:01,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-11-28 12:52:01,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-11-28 12:52:01,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_DispatchPassThrough [2019-11-28 12:52:01,854 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KbFilter_PnP [2019-11-28 12:52:01,881 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2019-11-28 12:52:01,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2019-11-28 12:52:01,884 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 12:52:02,081 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 12:52:02,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 12:52:02,084 INFO L168 Benchmark]: Toolchain (without parser) took 2180.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -48.9 MB). Peak memory consumption was 79.6 MB. Max. memory is 11.5 GB. [2019-11-28 12:52:02,085 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-28 12:52:02,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-28 12:52:02,087 INFO L168 Benchmark]: Boogie Preprocessor took 131.56 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. [2019-11-28 12:52:02,087 INFO L168 Benchmark]: RCFGBuilder took 1050.82 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: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2019-11-28 12:52:02,087 INFO L168 Benchmark]: TraceAbstraction took 153.26 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. [2019-11-28 12:52:02,088 INFO L168 Benchmark]: Witness Printer took 249.04 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2019-11-28 12:52:02,090 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 589.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -154.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 131.56 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 1050.82 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: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 153.26 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 249.04 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: 20.0 MB). Peak memory consumption was 20.0 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...