./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/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 3e38b5625974b6acee71572c5d946c856280b9c3 ................................................................................................................................................................................................................................................................................................................ 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 0.2.0-69874e2 [2020-12-01 17:31:26,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:31:26,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:31:26,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:31:26,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:31:26,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:31:26,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:31:26,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:31:26,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:31:26,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:31:26,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:31:26,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:31:26,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:31:26,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:31:26,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:31:26,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:31:26,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:31:26,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:31:26,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:31:26,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:31:26,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:31:26,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:31:26,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:31:26,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:31:26,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:31:26,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:31:26,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:31:26,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:31:26,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:31:26,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:31:26,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:31:26,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:31:26,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:31:26,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:31:26,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:31:26,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:31:26,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:31:26,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:31:26,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:31:26,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:31:26,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:31:26,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 17:31:26,273 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:31:26,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:31:26,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:31:26,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:31:26,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:31:26,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:31:26,277 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:31:26,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:31:26,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:31:26,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:31:26,278 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:31:26,279 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:31:26,279 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:31:26,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:31:26,279 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:31:26,280 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:31:26,280 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:31:26,280 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:31:26,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:31:26,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:31:26,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:31:26,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:31:26,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:31:26,282 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:31:26,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:31:26,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e38b5625974b6acee71572c5d946c856280b9c3 [2020-12-01 17:31:26,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:31:26,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:31:26,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:31:26,699 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:31:26,700 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:31:26,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/../../sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c [2020-12-01 17:31:26,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/data/a83361475/96eca67294a34224a6643f140c4c42b3/FLAG76097d5bf [2020-12-01 17:31:27,648 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:31:27,648 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c [2020-12-01 17:31:27,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/data/a83361475/96eca67294a34224a6643f140c4c42b3/FLAG76097d5bf [2020-12-01 17:31:27,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/data/a83361475/96eca67294a34224a6643f140c4c42b3 [2020-12-01 17:31:27,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:31:27,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:31:27,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:31:27,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:31:27,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:31:27,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:31:27" (1/1) ... [2020-12-01 17:31:27,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62527527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:27, skipping insertion in model container [2020-12-01 17:31:27,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:31:27" (1/1) ... [2020-12-01 17:31:27,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:31:27,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:31:28,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:31:28,819 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:31:29,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:31:29,209 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:31:29,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:29 WrapperNode [2020-12-01 17:31:29,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:31:29,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:31:29,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:31:29,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:31:29,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:29" (1/1) ... [2020-12-01 17:31:29,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:29" (1/1) ... [2020-12-01 17:31:29,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:31:29,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:31:29,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:31:29,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:31:29,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:29" (1/1) ... [2020-12-01 17:31:29,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:29" (1/1) ... [2020-12-01 17:31:29,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:29" (1/1) ... [2020-12-01 17:31:29,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:29" (1/1) ... [2020-12-01 17:31:29,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:29" (1/1) ... [2020-12-01 17:31:29,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:29" (1/1) ... [2020-12-01 17:31:29,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:29" (1/1) ... [2020-12-01 17:31:29,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:31:29,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:31:29,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:31:29,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:31:29,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:31:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/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 [2020-12-01 17:31:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-01 17:31:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-01 17:31:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-01 17:31:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:31:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:31:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 17:31:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:31:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 17:31:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:31:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:31:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-01 17:31:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:31:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:31:30,624 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,629 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,634 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,659 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,696 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,714 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,746 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,750 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,756 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,761 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,766 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,787 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,828 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:30,858 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 17:31:35,993 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2020-12-01 17:31:35,994 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2020-12-01 17:31:35,994 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2020-12-01 17:31:35,994 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2020-12-01 17:31:35,995 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2020-12-01 17:31:35,995 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2020-12-01 17:31:35,995 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##231: assume !false; [2020-12-01 17:31:35,995 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##230: assume false; [2020-12-01 17:31:35,995 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##319: assume !false; [2020-12-01 17:31:35,996 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume false; [2020-12-01 17:31:35,996 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##341: assume !false; [2020-12-01 17:31:35,996 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume false; [2020-12-01 17:31:35,996 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume false; [2020-12-01 17:31:35,997 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !false; [2020-12-01 17:31:35,997 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##427: assume false; [2020-12-01 17:31:35,997 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##428: assume !false; [2020-12-01 17:31:35,999 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2020-12-01 17:31:35,999 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2020-12-01 17:31:36,000 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !false; [2020-12-01 17:31:36,000 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume false; [2020-12-01 17:31:36,000 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2020-12-01 17:31:36,001 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2020-12-01 17:31:36,003 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume false; [2020-12-01 17:31:36,003 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume !false; [2020-12-01 17:31:36,003 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-12-01 17:31:36,003 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-12-01 17:31:36,004 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !false; [2020-12-01 17:31:36,004 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume false; [2020-12-01 17:31:37,530 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:31:37,531 INFO L298 CfgBuilder]: Removed 238 assume(true) statements. [2020-12-01 17:31:37,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:31:37 BoogieIcfgContainer [2020-12-01 17:31:37,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:31:37,541 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:31:37,541 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:31:37,553 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:31:37,554 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:31:37" (1/1) ... [2020-12-01 17:31:37,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:31:37,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:37,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2603 states and 2743 transitions. [2020-12-01 17:31:37,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 2743 transitions. [2020-12-01 17:31:37,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 17:31:37,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:31:38,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:31:38,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:31:38,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2742 states to 2602 states and 2742 transitions. [2020-12-01 17:31:38,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 2742 transitions. [2020-12-01 17:31:38,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 17:31:38,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:31:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:31:38,235 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:31:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:31:38,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:31:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:31:38,403 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:31:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:31:38,437 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:31:38,586 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2020-12-01 17:31:38,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:31:38 ImpRootNode [2020-12-01 17:31:38,619 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:31:38,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:31:38,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:31:38,622 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:31:38,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:31:37" (3/4) ... [2020-12-01 17:31:38,624 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:31:38,718 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1abc4edc-37ac-4fde-b9f9-ca0ddfbfc1c6/bin/ukojak/witness.graphml [2020-12-01 17:31:38,719 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:31:38,721 INFO L168 Benchmark]: Toolchain (without parser) took 10962.65 ms. Allocated memory was 111.1 MB in the beginning and 341.8 MB in the end (delta: 230.7 MB). Free memory was 76.0 MB in the beginning and 214.3 MB in the end (delta: -138.3 MB). Peak memory consumption was 92.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:38,724 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 81.8 MB. Free memory was 52.9 MB in the beginning and 52.9 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:31:38,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1450.76 ms. Allocated memory is still 111.1 MB. Free memory was 75.6 MB in the beginning and 71.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:38,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 219.38 ms. Allocated memory is still 111.1 MB. Free memory was 71.0 MB in the beginning and 56.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:38,725 INFO L168 Benchmark]: Boogie Preprocessor took 304.59 ms. Allocated memory is still 111.1 MB. Free memory was 56.0 MB in the beginning and 59.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:38,726 INFO L168 Benchmark]: RCFGBuilder took 7801.63 ms. Allocated memory was 111.1 MB in the beginning and 341.8 MB in the end (delta: 230.7 MB). Free memory was 59.4 MB in the beginning and 270.9 MB in the end (delta: -211.6 MB). Peak memory consumption was 175.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:38,726 INFO L168 Benchmark]: CodeCheck took 1078.48 ms. Allocated memory is still 341.8 MB. Free memory was 270.9 MB in the beginning and 216.4 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:38,727 INFO L168 Benchmark]: Witness Printer took 98.09 ms. Allocated memory is still 341.8 MB. Free memory was 216.4 MB in the beginning and 214.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:31:38,729 INFO L339 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, 2603 locations, 1611 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1694]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L1652] int s ; [L1653] int UNLOADED ; [L1654] int NP ; [L1655] int DC ; [L1656] int SKIP1 ; [L1657] int SKIP2 ; [L1658] int MPR1 ; [L1659] int MPR3 ; [L1660] int IPC ; [L1661] int pended ; [L1662] NTSTATUS (*compFptr)(PDEVICE_OBJECT DeviceObject , PIRP Irp , PVOID Context ) ; [L1663] int compRegistered ; [L1664] int lowerDriverReturn ; [L1665] int setEventCalled ; [L1666] int customIrp ; [L1667] int myStatus ; [L2363] IRP *pirp ; [L2559] char _SLAM_alloc_dummy ; [L2379] DRIVER_OBJECT d ; [L2380] UNICODE_STRING u ; [L2381] NTSTATUS status ; [L2382] int we_should_unload = __VERIFIER_nondet_int() ; [L2383] PIRP irp ; [L2384] int __BLAST_NONDET = __VERIFIER_nondet_int() ; [L2385] int irp_choice = __VERIFIER_nondet_int() ; [L2386] DEVICE_OBJECT devobj ; [L2390] pirp = & irp [L1672] UNLOADED = 0 [L1673] NP = 1 [L1674] DC = 2 [L1675] SKIP1 = 3 [L1676] SKIP2 = 4 [L1677] MPR1 = 5 [L1678] MPR3 = 6 [L1679] IPC = 7 [L1680] s = UNLOADED [L1681] pended = 0 [L1682] compFptr = 0 [L1683] compRegistered = 0 [L1684] lowerDriverReturn = 0 [L1685] setEventCalled = 0 [L1686] customIrp = 0 [L1691] ULONG i = __VERIFIER_nondet_long() ; [L1694] DriverObject->MajorFunction[i] = & KbFilter_DispatchPassThrough * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 81.8 MB. Free memory was 52.9 MB in the beginning and 52.9 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1450.76 ms. Allocated memory is still 111.1 MB. Free memory was 75.6 MB in the beginning and 71.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 219.38 ms. Allocated memory is still 111.1 MB. Free memory was 71.0 MB in the beginning and 56.0 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 304.59 ms. Allocated memory is still 111.1 MB. Free memory was 56.0 MB in the beginning and 59.4 MB in the end (delta: -3.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 7801.63 ms. Allocated memory was 111.1 MB in the beginning and 341.8 MB in the end (delta: 230.7 MB). Free memory was 59.4 MB in the beginning and 270.9 MB in the end (delta: -211.6 MB). Peak memory consumption was 175.6 MB. Max. memory is 16.1 GB. * CodeCheck took 1078.48 ms. Allocated memory is still 341.8 MB. Free memory was 270.9 MB in the beginning and 216.4 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. * Witness Printer took 98.09 ms. Allocated memory is still 341.8 MB. Free memory was 216.4 MB in the beginning and 214.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...