./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:17,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:17,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:09:17,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:17,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:17,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:17,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:09:17,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:09:17,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:17,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:17,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:17,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:17,941 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:17,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:17,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:17,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:17,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:17,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:17,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:17,945 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:09:17,946 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:09:17,946 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:17,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:17,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:17,948 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:17,949 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:17,949 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:17,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:17,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:17,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:17,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:17,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:09:17,952 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:17,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:17,953 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:09:17,953 INFO L153 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_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec [2023-11-19 03:09:18,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:18,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:18,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:18,335 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:18,336 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:18,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2023-11-19 03:09:21,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:21,723 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:21,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2023-11-19 03:09:21,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/data/30eede364/81cfd1a1bd614e64bf1a2aa462cc7137/FLAG566dc0091 [2023-11-19 03:09:21,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/data/30eede364/81cfd1a1bd614e64bf1a2aa462cc7137 [2023-11-19 03:09:21,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:21,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:21,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:21,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:21,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:21,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:21" (1/1) ... [2023-11-19 03:09:21,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ee030e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:21, skipping insertion in model container [2023-11-19 03:09:21,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:21" (1/1) ... [2023-11-19 03:09:21,843 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:22,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:22,125 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:22,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:22,234 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:22,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22 WrapperNode [2023-11-19 03:09:22,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:22,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:22,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:22,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:22,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22" (1/1) ... [2023-11-19 03:09:22,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22" (1/1) ... [2023-11-19 03:09:22,321 INFO L138 Inliner]: procedures = 29, calls = 44, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 736 [2023-11-19 03:09:22,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:22,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:22,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:22,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:22,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22" (1/1) ... [2023-11-19 03:09:22,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22" (1/1) ... [2023-11-19 03:09:22,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22" (1/1) ... [2023-11-19 03:09:22,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22" (1/1) ... [2023-11-19 03:09:22,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22" (1/1) ... [2023-11-19 03:09:22,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22" (1/1) ... [2023-11-19 03:09:22,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22" (1/1) ... [2023-11-19 03:09:22,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22" (1/1) ... [2023-11-19 03:09:22,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:22,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:22,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:22,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:22,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:22" (1/1) ... [2023-11-19 03:09:22,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:22,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:22,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:22,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2023-11-19 03:09:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2023-11-19 03:09:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-11-19 03:09:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-11-19 03:09:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2023-11-19 03:09:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2023-11-19 03:09:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-11-19 03:09:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-11-19 03:09:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-11-19 03:09:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-11-19 03:09:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:09:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-11-19 03:09:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-11-19 03:09:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2023-11-19 03:09:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2023-11-19 03:09:22,707 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:22,709 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:22,848 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:09:22,855 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:09:22,864 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:09:22,870 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:09:22,873 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:09:23,443 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume !false;havoc KeWaitForSingleObject_~tmp_ndt_8~0#1; [2023-11-19 03:09:23,443 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume false; [2023-11-19 03:09:23,444 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume !false; [2023-11-19 03:09:23,445 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume false; [2023-11-19 03:09:23,445 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume false; [2023-11-19 03:09:23,445 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !false; [2023-11-19 03:09:23,446 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-11-19 03:09:23,446 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-11-19 03:09:23,446 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !false; [2023-11-19 03:09:23,446 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume false; [2023-11-19 03:09:23,468 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 03:09:23,496 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2023-11-19 03:09:23,496 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2023-11-19 03:09:23,507 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:23,752 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:23,754 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:09:23,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:23 BoogieIcfgContainer [2023-11-19 03:09:23,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:23,769 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:23,769 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:23,779 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:23,780 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:23" (1/1) ... [2023-11-19 03:09:23,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:23,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 183 states and 262 transitions. [2023-11-19 03:09:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 262 transitions. [2023-11-19 03:09:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:09:23,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:23,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:23,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:09:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:24,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:09:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:24,167 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:09:24,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:09:24 ImpRootNode [2023-11-19 03:09:24,232 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:09:24,234 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:09:24,234 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:09:24,235 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:09:24,235 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:23" (3/4) ... [2023-11-19 03:09:24,236 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:09:24,355 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:09:24,355 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:09:24,356 INFO L158 Benchmark]: Toolchain (without parser) took 2583.81ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 95.8MB in the beginning and 157.8MB in the end (delta: -62.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:24,357 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 142.6MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:24,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.39ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 76.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:09:24,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.49ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 72.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:09:24,358 INFO L158 Benchmark]: Boogie Preprocessor took 60.65ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 69.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:09:24,358 INFO L158 Benchmark]: RCFGBuilder took 1383.84ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 69.6MB in the beginning and 104.3MB in the end (delta: -34.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-19 03:09:24,359 INFO L158 Benchmark]: CodeCheck took 463.26ms. Allocated memory is still 201.3MB. Free memory was 104.3MB in the beginning and 162.0MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:24,359 INFO L158 Benchmark]: Witness Printer took 121.39ms. Allocated memory is still 201.3MB. Free memory was 162.0MB in the beginning and 157.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:09:24,361 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 183 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 175]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int KernelMode ; [L24] int Executive ; [L25] int DevicePowerState ; [L26] int s ; [L27] int UNLOADED ; [L28] int NP ; [L29] int DC ; [L30] int SKIP1 ; [L31] int SKIP2 ; [L32] int MPR1 ; [L33] int MPR3 ; [L34] int IPC ; [L35] int pended ; [L36] int compFptr ; [L37] int compRegistered ; [L38] int lowerDriverReturn ; [L39] int setEventCalled ; [L40] int customIrp ; [L41] int myStatus ; [L296] int status ; [L297] int irp = __VERIFIER_nondet_int() ; [L298] int pirp ; [L299] int pirp__IoStatus__Status ; [L300] int irp_choice = __VERIFIER_nondet_int() ; [L301] int devobj = __VERIFIER_nondet_int() ; [L302] int __cil_tmp8 ; [L304] KernelMode = 0 [L305] Executive = 0 [L306] DevicePowerState = 1 [L307] s = 0 [L308] UNLOADED = 0 [L309] NP = 0 [L310] DC = 0 [L311] SKIP1 = 0 [L312] SKIP2 = 0 [L313] MPR1 = 0 [L314] MPR3 = 0 [L315] IPC = 0 [L316] pended = 0 [L317] compFptr = 0 [L318] compRegistered = 0 [L319] lowerDriverReturn = 0 [L320] setEventCalled = 0 [L321] customIrp = 0 [L322] myStatus = 0 [L326] status = 0 [L327] pirp = irp [L328] CALL _BLAST_init() [L61] UNLOADED = 0 [L62] NP = 1 [L63] DC = 2 [L64] SKIP1 = 3 [L65] SKIP2 = 4 [L66] MPR1 = 5 [L67] MPR3 = 6 [L68] IPC = 7 [L69] s = UNLOADED [L70] pended = 0 [L71] compFptr = 0 [L72] compRegistered = 0 [L73] lowerDriverReturn = 0 [L74] setEventCalled = 0 [L75] customIrp = 0 [L328] RET _BLAST_init() [L330] COND TRUE status >= 0 [L331] s = NP [L332] customIrp = 0 [L333] setEventCalled = customIrp [L334] lowerDriverReturn = setEventCalled [L335] compRegistered = lowerDriverReturn [L336] pended = compRegistered [L337] pirp__IoStatus__Status = 0 [L338] myStatus = 0 [L339] COND TRUE irp_choice == 0 [L340] pirp__IoStatus__Status = -1073741637 [L341] myStatus = -1073741637 [L344] CALL stub_driver_init() [L47] s = NP [L48] pended = 0 [L49] compFptr = 0 [L50] compRegistered = 0 [L51] lowerDriverReturn = 0 [L52] setEventCalled = 0 [L53] customIrp = 0 [L344] RET stub_driver_init() [L347] COND FALSE !(status < 0) [L351] int tmp_ndt_1; [L352] tmp_ndt_1 = __VERIFIER_nondet_int() [L353] COND FALSE !(tmp_ndt_1 == 0) [L356] int tmp_ndt_2; [L357] tmp_ndt_2 = __VERIFIER_nondet_int() [L358] COND FALSE !(tmp_ndt_2 == 1) [L361] int tmp_ndt_3; [L362] tmp_ndt_3 = __VERIFIER_nondet_int() [L363] COND TRUE tmp_ndt_3 == 3 [L390] CALL KbFilter_PnP(devobj, pirp) [L82] int devExt ; [L83] int irpStack ; [L84] int status ; [L85] int event = __VERIFIER_nondet_int() ; [L86] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L87] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L88] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L89] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L90] int devExt__Started ; [L91] int devExt__Removed ; [L92] int devExt__SurpriseRemoved ; [L93] int Irp__IoStatus__Status ; [L94] int Irp__IoStatus__Information ; [L95] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L96] int irpSp ; [L97] int nextIrpSp ; [L98] int nextIrpSp__Control ; [L99] int irpSp___0 ; [L100] int irpSp__Context ; [L101] int irpSp__Control ; [L102] long __cil_tmp23 ; [L105] status = 0 [L106] devExt = DeviceObject__DeviceExtension [L107] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \old(DeviceObject)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, devExt=0, devExt__TopOfStack=0, event=0, irpStack=-2147483648, irpStack__MinorFunction=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, s=1, setEventCalled=0, status=0] [L108] COND TRUE irpStack__MinorFunction == 0 [L174] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \old(DeviceObject)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, devExt=0, devExt__TopOfStack=0, event=0, irpSp=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, s=1, setEventCalled=0, status=0] [L175] Irp__Tail__Overlay__CurrentStackLocation - 1 VAL [DC=2, DeviceObject=0, DeviceObject__DeviceExtension=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \old(DeviceObject)=0, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, devExt=0, devExt__TopOfStack=0, event=0, irpSp=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, s=1, setEventCalled=0, status=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 142.6MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.39ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 76.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.49ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 72.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.65ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 69.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1383.84ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 69.6MB in the beginning and 104.3MB in the end (delta: -34.7MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * CodeCheck took 463.26ms. Allocated memory is still 201.3MB. Free memory was 104.3MB in the beginning and 162.0MB in the end (delta: -57.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 121.39ms. Allocated memory is still 201.3MB. Free memory was 162.0MB in the beginning and 157.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:09:24,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_024d8bd3-8a26-4f3c-afe8-e48ef7b2a746/bin/ukojak-verify-G8NBE6pJGL/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(OVERFLOW)