./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_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:04:58,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:04:58,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:04:58,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:04:58,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:04:58,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:04:58,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:04:58,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:04:58,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:04:58,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:04:58,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:04:58,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:04:58,223 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:04:58,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:04:58,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:04:58,225 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:04:58,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:04:58,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:04:58,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:04:58,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:04:58,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:04:58,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:04:58,228 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:04:58,228 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:04:58,229 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:04:58,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:04:58,229 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:04:58,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:04:58,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:04:58,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:04:58,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:04:58,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:04:58,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:04:58,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:04:58,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:04:58,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:04:58,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:04:58,233 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:04:58,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:04:58,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:04:58,234 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:04:58,237 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec [2023-11-19 08:04:58,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:04:58,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:04:58,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:04:58,541 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:04:58,545 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:04:58,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2023-11-19 08:05:01,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:02,024 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:02,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2023-11-19 08:05:02,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/data/011d7d2a9/2bca2880665844a19944b76ce8910a25/FLAG8a11fabc0 [2023-11-19 08:05:02,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/data/011d7d2a9/2bca2880665844a19944b76ce8910a25 [2023-11-19 08:05:02,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:02,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:02,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:02,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:02,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:02,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@163918c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02, skipping insertion in model container [2023-11-19 08:05:02,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,162 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:02,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:02,459 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:02,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:02,586 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:02,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02 WrapperNode [2023-11-19 08:05:02,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:02,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:02,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:02,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:02,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,675 INFO L138 Inliner]: procedures = 29, calls = 44, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 736 [2023-11-19 08:05:02,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:02,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:02,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:02,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:02,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:02,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:02,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:02,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:02,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (1/1) ... [2023-11-19 08:05:02,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:02,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:02,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:02,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2023-11-19 08:05:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2023-11-19 08:05:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-11-19 08:05:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-11-19 08:05:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2023-11-19 08:05:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2023-11-19 08:05:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-11-19 08:05:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-11-19 08:05:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-11-19 08:05:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-11-19 08:05:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:05:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-11-19 08:05:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-11-19 08:05:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2023-11-19 08:05:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2023-11-19 08:05:02,973 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:02,984 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:03,196 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 08:05:03,204 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 08:05:03,243 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 08:05:03,249 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 08:05:03,251 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 08:05:03,708 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume !false;havoc KeWaitForSingleObject_~tmp_ndt_8~0#1; [2023-11-19 08:05:03,709 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume false; [2023-11-19 08:05:03,709 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume !false; [2023-11-19 08:05:03,709 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume false; [2023-11-19 08:05:03,709 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume false; [2023-11-19 08:05:03,710 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !false; [2023-11-19 08:05:03,710 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2023-11-19 08:05:03,710 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2023-11-19 08:05:03,710 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !false; [2023-11-19 08:05:03,711 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume false; [2023-11-19 08:05:03,731 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 08:05:03,758 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2023-11-19 08:05:03,758 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2023-11-19 08:05:03,771 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:03,783 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:03,789 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 08:05:03,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:03 BoogieIcfgContainer [2023-11-19 08:05:03,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:03,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:03,800 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:03,803 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:03,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:02" (1/3) ... [2023-11-19 08:05:03,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173d5eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:03, skipping insertion in model container [2023-11-19 08:05:03,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:02" (2/3) ... [2023-11-19 08:05:03,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173d5eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:03, skipping insertion in model container [2023-11-19 08:05:03,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:03" (3/3) ... [2023-11-19 08:05:03,809 INFO L112 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2023-11-19 08:05:03,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:03,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2023-11-19 08:05:03,895 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:05:03,902 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2fcb4454, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:05:03,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2023-11-19 08:05:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 258 states, 198 states have (on average 1.6313131313131313) internal successors, (323), 238 states have internal predecessors, (323), 28 states have call successors, (28), 7 states have call predecessors, (28), 7 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 08:05:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 08:05:03,916 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:05:03,917 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:03,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-11-19 08:05:03,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:03,922 INFO L85 PathProgramCache]: Analyzing trace with hash -496027712, now seen corresponding path program 1 times [2023-11-19 08:05:03,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:03,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102739829] [2023-11-19 08:05:03,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:03,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:04,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:04,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:04,163 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:05:04,165 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2023-11-19 08:05:04,166 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2023-11-19 08:05:04,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2023-11-19 08:05:04,167 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2023-11-19 08:05:04,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2023-11-19 08:05:04,168 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2023-11-19 08:05:04,169 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2023-11-19 08:05:04,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2023-11-19 08:05:04,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2023-11-19 08:05:04,170 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2023-11-19 08:05:04,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2023-11-19 08:05:04,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2023-11-19 08:05:04,171 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2023-11-19 08:05:04,172 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2023-11-19 08:05:04,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2023-11-19 08:05:04,173 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2023-11-19 08:05:04,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2023-11-19 08:05:04,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2023-11-19 08:05:04,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2023-11-19 08:05:04,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2023-11-19 08:05:04,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2023-11-19 08:05:04,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2023-11-19 08:05:04,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2023-11-19 08:05:04,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2023-11-19 08:05:04,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:05:04,183 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 08:05:04,188 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:05:04,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:05:04 BoogieIcfgContainer [2023-11-19 08:05:04,265 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:05:04,267 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:05:04,267 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:05:04,268 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:05:04,268 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:03" (3/4) ... [2023-11-19 08:05:04,270 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 08:05:04,369 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:05:04,369 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:05:04,370 INFO L158 Benchmark]: Toolchain (without parser) took 2291.74ms. Allocated memory is still 209.7MB. Free memory was 162.6MB in the beginning and 117.8MB in the end (delta: 44.9MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2023-11-19 08:05:04,371 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:04,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.81ms. Allocated memory is still 209.7MB. Free memory was 162.2MB in the beginning and 143.2MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 08:05:04,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.76ms. Allocated memory is still 209.7MB. Free memory was 143.2MB in the beginning and 139.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:05:04,372 INFO L158 Benchmark]: Boogie Preprocessor took 56.91ms. Allocated memory is still 209.7MB. Free memory was 139.2MB in the beginning and 136.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:05:04,373 INFO L158 Benchmark]: RCFGBuilder took 1062.31ms. Allocated memory is still 209.7MB. Free memory was 136.3MB in the beginning and 144.0MB in the end (delta: -7.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-19 08:05:04,373 INFO L158 Benchmark]: TraceAbstraction took 466.24ms. Allocated memory is still 209.7MB. Free memory was 142.9MB in the beginning and 122.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 08:05:04,374 INFO L158 Benchmark]: Witness Printer took 102.16ms. Allocated memory is still 209.7MB. Free memory was 122.0MB in the beginning and 117.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:05:04,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.81ms. Allocated memory is still 209.7MB. Free memory was 162.2MB in the beginning and 143.2MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.76ms. Allocated memory is still 209.7MB. Free memory was 143.2MB in the beginning and 139.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.91ms. Allocated memory is still 209.7MB. Free memory was 139.2MB in the beginning and 136.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1062.31ms. Allocated memory is still 209.7MB. Free memory was 136.3MB in the beginning and 144.0MB in the end (delta: -7.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 466.24ms. Allocated memory is still 209.7MB. Free memory was 142.9MB in the beginning and 122.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 102.16ms. Allocated memory is still 209.7MB. Free memory was 122.0MB in the beginning and 117.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 ; VAL [DC=0, DevicePowerState=0, Executive=0, IPC=0, KernelMode=0, MPR1=0, MPR3=0, NP=0, SKIP1=0, SKIP2=0, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=0, pended=0, s=0, setEventCalled=0] [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 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=0, pended=0, s=0, setEventCalled=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 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, devobj=-1, irp=-2, irp_choice=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=1, setEventCalled=0, status=0] [L339] COND TRUE irp_choice == 0 [L340] pirp__IoStatus__Status = -1073741637 [L341] myStatus = -1073741637 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, devobj=-1, irp=-2, irp_choice=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, status=0] [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 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, s=1, setEventCalled=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 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, devobj=-1, irp=-2, irp_choice=0, lowerDriverReturn=0, myStatus=-1073741637, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, status=0, tmp_ndt_1=1, tmp_ndt_2=0, 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=-1, DeviceObject__DeviceExtension=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \old(DeviceObject)=-1, \old(Irp)=-2, 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 VAL [DC=2, DeviceObject=-1, DeviceObject__DeviceExtension=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \old(DeviceObject)=-1, \old(Irp)=-2, 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] [L174] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [DC=2, DeviceObject=-1, DeviceObject__DeviceExtension=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \old(DeviceObject)=-1, \old(Irp)=-2, 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=-1, DeviceObject__DeviceExtension=0, DevicePowerState=1, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \old(DeviceObject)=-1, \old(Irp)=-2, 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] - UnprovableResult [Line: 175]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 191]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 191]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 231]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 231]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 232]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 232]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 247]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 247]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 248]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 248]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 262]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 262]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 263]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 263]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 738]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 738]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 739]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 739]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 682]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 258 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=258occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-19 08:05:04,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee390b5a-e66e-460e-b800-7a0436dc5f33/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)