./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB --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 5b6a9e01bdcbd61c454eb9d61f4e860d3e5b9a824769a0b9822cce0183bd711a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:34:03,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:34:03,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:34:03,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:34:03,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:34:03,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:34:03,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:34:03,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:34:03,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:34:03,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:34:03,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:34:03,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:34:03,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:34:03,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:34:03,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:34:03,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:34:03,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:34:03,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:34:03,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:34:03,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:34:03,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:34:03,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:34:03,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:34:03,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:34:03,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:34:03,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:34:03,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:34:03,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:34:03,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:34:03,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:34:03,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:34:03,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:34:03,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:34:03,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:34:03,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:34:03,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:34:03,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:34:03,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:34:03,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:34:03,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:34:03,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:34:03,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:34:03,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:34:03,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:34:03,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:34:03,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:34:03,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:34:03,426 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:34:03,426 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:34:03,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:34:03,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:34:03,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:34:03,427 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:34:03,427 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:34:03,428 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:34:03,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:34:03,428 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:34:03,428 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:34:03,429 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:34:03,429 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:34:03,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:34:03,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:03,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:34:03,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:34:03,430 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:34:03,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:34:03,430 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_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b6a9e01bdcbd61c454eb9d61f4e860d3e5b9a824769a0b9822cce0183bd711a [2022-10-17 16:34:03,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:34:03,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:34:03,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:34:03,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:34:03,777 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:34:03,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c [2022-10-17 16:34:03,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/data/ba86a9736/970db4d6aa08415482f45ce6d4614604/FLAGc9accb643 [2022-10-17 16:34:04,551 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:34:04,552 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c [2022-10-17 16:34:04,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/data/ba86a9736/970db4d6aa08415482f45ce6d4614604/FLAGc9accb643 [2022-10-17 16:34:04,664 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/data/ba86a9736/970db4d6aa08415482f45ce6d4614604 [2022-10-17 16:34:04,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:34:04,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:34:04,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:04,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:34:04,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:34:04,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:04" (1/1) ... [2022-10-17 16:34:04,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe45fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:04, skipping insertion in model container [2022-10-17 16:34:04,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:04" (1/1) ... [2022-10-17 16:34:04,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:34:04,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:34:05,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c[61982,61995] [2022-10-17 16:34:05,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:05,687 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:34:05,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/sv-benchmarks/c/ntdrivers/kbfiltr.i.cil-1.c[61982,61995] [2022-10-17 16:34:06,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:06,047 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:34:06,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06 WrapperNode [2022-10-17 16:34:06,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:06,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:06,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:34:06,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:34:06,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,203 INFO L138 Inliner]: procedures = 104, calls = 286, calls flagged for inlining = 58, calls inlined = 89, statements flattened = 1772 [2022-10-17 16:34:06,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:06,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:34:06,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:34:06,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:34:06,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,322 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:34:06,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:34:06,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:34:06,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:34:06,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:06" (1/1) ... [2022-10-17 16:34:06,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:06,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:34:06,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:34:06,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:34:06,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:34:06,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:34:06,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:34:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:34:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:34:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:34:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:34:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:34:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:34:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:34:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:34:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:34:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:34:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:34:06,855 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:34:06,857 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:34:06,879 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:06,893 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:06,900 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:06,907 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:06,935 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:06,949 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:06,958 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:06,964 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:06,968 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:06,975 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:07,001 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:07,006 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:07,007 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:07,029 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:34:08,960 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##201: assume !false; [2022-10-17 16:34:08,960 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##200: assume false; [2022-10-17 16:34:08,960 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2022-10-17 16:34:08,961 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2022-10-17 16:34:08,961 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false; [2022-10-17 16:34:08,961 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-10-17 16:34:08,961 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##231: assume !false; [2022-10-17 16:34:08,961 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##230: assume false; [2022-10-17 16:34:08,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##319: assume !false; [2022-10-17 16:34:08,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume false; [2022-10-17 16:34:08,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##341: assume !false; [2022-10-17 16:34:08,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##340: assume false; [2022-10-17 16:34:08,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##360: assume false; [2022-10-17 16:34:08,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##361: assume !false; [2022-10-17 16:34:08,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##427: assume false; [2022-10-17 16:34:08,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##428: assume !false; [2022-10-17 16:34:08,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume false; [2022-10-17 16:34:08,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume !false; [2022-10-17 16:34:08,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2022-10-17 16:34:08,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2022-10-17 16:34:08,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##36: assume !false; [2022-10-17 16:34:08,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume false; [2022-10-17 16:34:08,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2022-10-17 16:34:08,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2022-10-17 16:34:08,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-10-17 16:34:08,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-10-17 16:34:08,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##114: assume !false; [2022-10-17 16:34:08,966 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume false; [2022-10-17 16:34:08,966 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:34:09,352 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:34:09,352 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:34:09,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:09 BoogieIcfgContainer [2022-10-17 16:34:09,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:34:09,359 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:34:09,359 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:34:09,370 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:34:09,370 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:09" (1/1) ... [2022-10-17 16:34:09,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:34:09,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:09,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 827 states and 967 transitions. [2022-10-17 16:34:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 967 transitions. [2022-10-17 16:34:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:34:09,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:09,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 826 states and 966 transitions. [2022-10-17 16:34:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 966 transitions. [2022-10-17 16:34:10,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:34:10,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:10,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:34:10,552 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:34:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:34:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:34:10,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:34:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:34:10,746 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-10-17 16:34:10,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:34:10 ImpRootNode [2022-10-17 16:34:10,779 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:34:10,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:34:10,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:34:10,780 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:34:10,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:09" (3/4) ... [2022-10-17 16:34:10,783 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:34:10,862 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:34:10,866 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:34:10,867 INFO L158 Benchmark]: Toolchain (without parser) took 6196.77ms. Allocated memory was 94.4MB in the beginning and 241.2MB in the end (delta: 146.8MB). Free memory was 55.1MB in the beginning and 160.8MB in the end (delta: -105.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2022-10-17 16:34:10,868 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:34:10,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1374.98ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 55.0MB in the beginning and 88.6MB in the end (delta: -33.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2022-10-17 16:34:10,870 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.58ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 79.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:34:10,871 INFO L158 Benchmark]: Boogie Preprocessor took 139.14ms. Allocated memory is still 125.8MB. Free memory was 79.6MB in the beginning and 69.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:34:10,872 INFO L158 Benchmark]: RCFGBuilder took 3013.64ms. Allocated memory was 125.8MB in the beginning and 188.7MB in the end (delta: 62.9MB). Free memory was 69.9MB in the beginning and 116.9MB in the end (delta: -47.0MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2022-10-17 16:34:10,872 INFO L158 Benchmark]: CodeCheck took 1420.77ms. Allocated memory was 188.7MB in the beginning and 241.2MB in the end (delta: 52.4MB). Free memory was 116.9MB in the beginning and 162.9MB in the end (delta: -46.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-10-17 16:34:10,875 INFO L158 Benchmark]: Witness Printer took 86.65ms. Allocated memory is still 241.2MB. Free memory was 162.9MB in the beginning and 160.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:34:10,877 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, 827 locations, 421 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s 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: -1]: 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 [L2391] CALL _BLAST_init() [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 [L2391] RET _BLAST_init() [L2392] CALL DriverEntry(& d, & u) [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 0.33ms. Allocated memory is still 94.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1374.98ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 55.0MB in the beginning and 88.6MB in the end (delta: -33.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.58ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 79.6MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.14ms. Allocated memory is still 125.8MB. Free memory was 79.6MB in the beginning and 69.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3013.64ms. Allocated memory was 125.8MB in the beginning and 188.7MB in the end (delta: 62.9MB). Free memory was 69.9MB in the beginning and 116.9MB in the end (delta: -47.0MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. * CodeCheck took 1420.77ms. Allocated memory was 188.7MB in the beginning and 241.2MB in the end (delta: 52.4MB). Free memory was 116.9MB in the beginning and 162.9MB in the end (delta: -46.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Witness Printer took 86.65ms. Allocated memory is still 241.2MB. Free memory was 162.9MB in the beginning and 160.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:34:10,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5284ef-ef57-4699-a186-bfac2de042e8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)