./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers/kbfiltr_false-valid-deref.i.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers/kbfiltr_false-valid-deref.i.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e6846da9c903f6cd4734b19c7febfce2dd348e87 ........................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 08:04:26,497 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:04:26,498 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:04:26,504 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:04:26,504 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:04:26,505 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:04:26,506 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:04:26,506 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:04:26,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:04:26,508 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:04:26,508 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:04:26,508 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:04:26,509 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:04:26,509 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:04:26,510 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:04:26,510 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:04:26,510 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:04:26,511 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:04:26,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:04:26,513 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:04:26,513 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:04:26,514 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:04:26,515 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:04:26,515 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:04:26,515 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:04:26,516 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:04:26,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:04:26,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:04:26,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:04:26,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:04:26,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:04:26,518 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:04:26,518 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:04:26,518 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:04:26,519 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:04:26,519 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:04:26,519 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 08:04:26,526 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:04:26,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:04:26,527 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:04:26,527 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:04:26,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:04:26,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:04:26,527 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 08:04:26,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:04:26,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:04:26,527 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:04:26,528 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 08:04:26,528 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 08:04:26,528 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 08:04:26,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:04:26,528 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:04:26,528 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:04:26,528 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 08:04:26,528 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 08:04:26,528 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:04:26,528 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:04:26,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 08:04:26,529 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:04:26,529 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:04:26,529 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 08:04:26,529 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:04:26,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak 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 -> Kojak 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 -> e6846da9c903f6cd4734b19c7febfce2dd348e87 [2018-12-09 08:04:26,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:04:26,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:04:26,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:04:26,559 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:04:26,559 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:04:26,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/../../sv-benchmarks/c/ntdrivers/kbfiltr_false-valid-deref.i.cil.c [2018-12-09 08:04:26,603 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/data/0e88f7454/150b1a86e80548f9be008f1271386a36/FLAG19d3c6c24 [2018-12-09 08:04:27,050 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:04:27,050 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/sv-benchmarks/c/ntdrivers/kbfiltr_false-valid-deref.i.cil.c [2018-12-09 08:04:27,062 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/data/0e88f7454/150b1a86e80548f9be008f1271386a36/FLAG19d3c6c24 [2018-12-09 08:04:27,070 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/data/0e88f7454/150b1a86e80548f9be008f1271386a36 [2018-12-09 08:04:27,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:04:27,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:04:27,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:04:27,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:04:27,075 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:04:27,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:04:27" (1/1) ... [2018-12-09 08:04:27,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674e77fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27, skipping insertion in model container [2018-12-09 08:04:27,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:04:27" (1/1) ... [2018-12-09 08:04:27,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:04:27,111 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:04:27,515 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:04:27,524 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:04:27,602 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:04:27,625 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:04:27,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27 WrapperNode [2018-12-09 08:04:27,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:04:27,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:04:27,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:04:27,626 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:04:27,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27" (1/1) ... [2018-12-09 08:04:27,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27" (1/1) ... [2018-12-09 08:04:27,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:04:27,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:04:27,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:04:27,705 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:04:27,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27" (1/1) ... [2018-12-09 08:04:27,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27" (1/1) ... [2018-12-09 08:04:27,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27" (1/1) ... [2018-12-09 08:04:27,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27" (1/1) ... [2018-12-09 08:04:27,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27" (1/1) ... [2018-12-09 08:04:27,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27" (1/1) ... [2018-12-09 08:04:27,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27" (1/1) ... [2018-12-09 08:04:27,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:04:27,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:04:27,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:04:27,783 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:04:27,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-09 08:04:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-09 08:04:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 08:04:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2018-12-09 08:04:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2018-12-09 08:04:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 08:04:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 08:04:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 08:04:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 08:04:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 08:04:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2018-12-09 08:04:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:04:27,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:04:28,094 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,095 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,097 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,097 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,099 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,099 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,105 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,106 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,112 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,112 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,117 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,118 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,124 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,124 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,125 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,125 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,127 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,127 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,129 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,129 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,131 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,131 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,135 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,135 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,136 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,136 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:28,144 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 08:04:28,144 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 08:04:32,217 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:04:32,217 INFO L280 CfgBuilder]: Removed 178 assue(true) statements. [2018-12-09 08:04:32,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:32 BoogieIcfgContainer [2018-12-09 08:04:32,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:04:32,218 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 08:04:32,218 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 08:04:32,224 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 08:04:32,224 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:32" (1/1) ... [2018-12-09 08:04:32,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:32,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:04:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2496 states and 2581 transitions. [2018-12-09 08:04:32,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2581 transitions. [2018-12-09 08:04:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 08:04:32,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:04:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 08:04:32,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2495 states and 2580 transitions. [2018-12-09 08:04:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 2580 transitions. [2018-12-09 08:04:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 08:04:32,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 08:04:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:04:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:04:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:04:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:04:32,541 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-09 08:04:32,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 08:04:32 ImpRootNode [2018-12-09 08:04:32,560 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 08:04:32,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:04:32,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:04:32,561 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:04:32,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:32" (3/4) ... [2018-12-09 08:04:32,563 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 08:04:32,598 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3685054c-7e68-431b-ba52-0ba468b0f144/bin-2019/ukojak/witness.graphml [2018-12-09 08:04:32,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:04:32,598 INFO L168 Benchmark]: Toolchain (without parser) took 5526.45 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 314.6 MB). Free memory was 954.9 MB in the beginning and 908.4 MB in the end (delta: 46.5 MB). Peak memory consumption was 361.1 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:32,599 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:04:32,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 552.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:32,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.97 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: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:32,601 INFO L168 Benchmark]: Boogie Preprocessor took 77.17 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: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:32,601 INFO L168 Benchmark]: RCFGBuilder took 4434.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 167.2 MB). Free memory was 1.0 GB in the beginning and 946.8 MB in the end (delta: 94.5 MB). Peak memory consumption was 378.0 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:32,602 INFO L168 Benchmark]: CodeCheck took 342.82 ms. Allocated memory is still 1.3 GB. Free memory was 946.8 MB in the beginning and 908.4 MB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:32,602 INFO L168 Benchmark]: Witness Printer took 37.32 ms. Allocated memory is still 1.3 GB. Free memory is still 908.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:04:32,604 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 2808 locations, 1581 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1693]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L1651] int s ; [L1652] int UNLOADED ; [L1653] int NP ; [L1654] int DC ; [L1655] int SKIP1 ; [L1656] int SKIP2 ; [L1657] int MPR1 ; [L1658] int MPR3 ; [L1659] int IPC ; [L1660] int pended ; [L1661] NTSTATUS (*compFptr)(PDEVICE_OBJECT DeviceObject , PIRP Irp , PVOID Context ) ; [L1662] int compRegistered ; [L1663] int lowerDriverReturn ; [L1664] int setEventCalled ; [L1665] int customIrp ; [L1666] int myStatus ; [L2362] IRP *pirp ; [L2558] char _SLAM_alloc_dummy ; [L2378] DRIVER_OBJECT d ; [L2379] UNICODE_STRING u ; [L2380] NTSTATUS status ; [L2381] int we_should_unload = __VERIFIER_nondet_int() ; [L2382] PIRP irp ; [L2383] int __BLAST_NONDET = __VERIFIER_nondet_int() ; [L2384] int irp_choice = __VERIFIER_nondet_int() ; [L2385] DEVICE_OBJECT devobj ; [L2389] pirp = & irp [L1671] UNLOADED = 0 [L1672] NP = 1 [L1673] DC = 2 [L1674] SKIP1 = 3 [L1675] SKIP2 = 4 [L1676] MPR1 = 5 [L1677] MPR3 = 6 [L1678] IPC = 7 [L1679] s = UNLOADED [L1680] pended = 0 [L1681] compFptr = 0 [L1682] compRegistered = 0 [L1683] lowerDriverReturn = 0 [L1684] setEventCalled = 0 [L1685] customIrp = 0 [L1690] ULONG i = __VERIFIER_nondet_long() ; [L1693] DriverObject->MajorFunction[i] = & KbFilter_DispatchPassThrough * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 552.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.97 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: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.17 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: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4434.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 167.2 MB). Free memory was 1.0 GB in the beginning and 946.8 MB in the end (delta: 94.5 MB). Peak memory consumption was 378.0 MB. Max. memory is 11.5 GB. * CodeCheck took 342.82 ms. Allocated memory is still 1.3 GB. Free memory was 946.8 MB in the beginning and 908.4 MB in the end (delta: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. * Witness Printer took 37.32 ms. Allocated memory is still 1.3 GB. Free memory is still 908.4 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...