./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a05fbc1d8a2048d37fda072c6a9d42f1f996d033c914869a4e2960aadff82dde --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:11:34,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:11:34,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 05:11:34,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:11:34,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:11:34,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:11:34,279 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:11:34,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:11:34,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:11:34,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:11:34,282 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:11:34,282 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:11:34,283 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:11:34,283 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:11:34,283 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:11:34,283 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:11:34,283 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:11:34,284 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:11:34,284 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:11:34,284 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:11:34,284 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:11:34,285 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:11:34,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:11:34,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:11:34,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:11:34,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:11:34,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:11:34,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:11:34,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:11:34,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:11:34,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:11:34,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:11:34,286 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 05:11:34,286 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 05:11:34,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:11:34,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:11:34,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:11:34,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:11:34,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:11:34,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:11:34,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:11:34,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:11:34,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:11:34,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:11:34,287 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:11:34,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:11:34,287 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:11:34,287 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:11:34,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:11:34,288 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> a05fbc1d8a2048d37fda072c6a9d42f1f996d033c914869a4e2960aadff82dde [2024-11-14 05:11:34,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:11:34,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:11:34,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:11:34,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:11:34,673 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:11:34,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c Unable to find full path for "g++" [2024-11-14 05:11:36,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:11:37,076 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:11:37,077 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2024-11-14 05:11:37,090 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/data/60793726a/29e4f6052cf74356aa4bb8edd8a100da/FLAGb3fb3da35 [2024-11-14 05:11:37,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/data/60793726a/29e4f6052cf74356aa4bb8edd8a100da [2024-11-14 05:11:37,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:11:37,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:11:37,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:11:37,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:11:37,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:11:37,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adbb8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37, skipping insertion in model container [2024-11-14 05:11:37,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,187 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:11:37,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:11:37,568 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:11:37,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:11:37,715 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:11:37,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37 WrapperNode [2024-11-14 05:11:37,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:11:37,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:11:37,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:11:37,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:11:37,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,784 INFO L138 Inliner]: procedures = 29, calls = 45, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 737 [2024-11-14 05:11:37,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:11:37,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:11:37,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:11:37,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:11:37,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:11:37,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:11:37,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:11:37,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:11:37,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (1/1) ... [2024-11-14 05:11:37,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:11:37,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:11:37,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:11:37,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:11:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:11:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2024-11-14 05:11:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2024-11-14 05:11:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2024-11-14 05:11:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2024-11-14 05:11:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2024-11-14 05:11:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2024-11-14 05:11:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-11-14 05:11:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-11-14 05:11:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-11-14 05:11:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-11-14 05:11:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:11:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-11-14 05:11:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-11-14 05:11:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:11:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:11:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2024-11-14 05:11:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2024-11-14 05:11:38,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:11:38,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:11:38,283 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-14 05:11:38,290 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-14 05:11:38,298 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-14 05:11:38,311 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-14 05:11:38,317 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-14 05:11:39,077 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume !false;havoc KeWaitForSingleObject_~tmp_ndt_8~0#1; [2024-11-14 05:11:39,077 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume false; [2024-11-14 05:11:39,077 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume !false; [2024-11-14 05:11:39,078 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume false; [2024-11-14 05:11:39,078 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume false; [2024-11-14 05:11:39,078 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !false; [2024-11-14 05:11:39,078 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2024-11-14 05:11:39,078 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2024-11-14 05:11:39,078 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !false; [2024-11-14 05:11:39,078 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume false; [2024-11-14 05:11:39,115 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-14 05:11:39,167 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2024-11-14 05:11:39,167 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2024-11-14 05:11:39,257 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-11-14 05:11:39,258 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:11:39,605 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:11:39,606 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:11:39,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:11:39 BoogieIcfgContainer [2024-11-14 05:11:39,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:11:39,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:11:39,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:11:39,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:11:39,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:11:37" (1/3) ... [2024-11-14 05:11:39,619 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d06b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:11:39, skipping insertion in model container [2024-11-14 05:11:39,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:11:37" (2/3) ... [2024-11-14 05:11:39,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13d06b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:11:39, skipping insertion in model container [2024-11-14 05:11:39,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:11:39" (3/3) ... [2024-11-14 05:11:39,622 INFO L112 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2024-11-14 05:11:39,645 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:11:39,648 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG kbfiltr_simpl2.cil-2.c that has 8 procedures, 186 locations, 1 initial locations, 0 loop locations, and 24 error locations. [2024-11-14 05:11:39,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:11:39,765 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@13e4e712, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:11:39,766 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-14 05:11:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 125 states have (on average 1.68) internal successors, (210), 166 states have internal predecessors, (210), 29 states have call successors, (29), 7 states have call predecessors, (29), 7 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-14 05:11:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 05:11:39,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:11:39,779 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:11:39,779 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-14 05:11:39,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:11:39,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1565093655, now seen corresponding path program 1 times [2024-11-14 05:11:39,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:11:39,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006986100] [2024-11-14 05:11:39,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:11:39,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:11:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:11:39,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:11:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:11:40,019 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:11:40,022 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:11:40,024 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-11-14 05:11:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-11-14 05:11:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-11-14 05:11:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-11-14 05:11:40,027 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-11-14 05:11:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-11-14 05:11:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-11-14 05:11:40,030 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-11-14 05:11:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-11-14 05:11:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-11-14 05:11:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-11-14 05:11:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-11-14 05:11:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-11-14 05:11:40,031 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-11-14 05:11:40,032 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-11-14 05:11:40,032 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-11-14 05:11:40,032 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-11-14 05:11:40,032 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-11-14 05:11:40,032 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-11-14 05:11:40,032 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-11-14 05:11:40,032 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-11-14 05:11:40,033 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-11-14 05:11:40,033 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-11-14 05:11:40,033 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location KbFilter_DispatchPassThroughErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-11-14 05:11:40,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:11:40,041 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 05:11:40,090 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:11:40,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:11:40 BoogieIcfgContainer [2024-11-14 05:11:40,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:11:40,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:11:40,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:11:40,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:11:40,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:11:39" (3/4) ... [2024-11-14 05:11:40,102 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-14 05:11:40,177 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:11:40,177 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:11:40,179 INFO L158 Benchmark]: Toolchain (without parser) took 3061.56ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 45.1MB in the end (delta: 38.1MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2024-11-14 05:11:40,179 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 41.1MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:11:40,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.03ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 64.7MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:11:40,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.10ms. Allocated memory is still 109.1MB. Free memory was 64.7MB in the beginning and 61.0MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:11:40,181 INFO L158 Benchmark]: Boogie Preprocessor took 49.38ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:11:40,181 INFO L158 Benchmark]: RCFGBuilder took 1771.85ms. Allocated memory is still 109.1MB. Free memory was 58.9MB in the beginning and 66.5MB in the end (delta: -7.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-11-14 05:11:40,182 INFO L158 Benchmark]: TraceAbstraction took 486.35ms. Allocated memory is still 109.1MB. Free memory was 65.8MB in the beginning and 49.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:11:40,182 INFO L158 Benchmark]: Witness Printer took 80.43ms. Allocated memory is still 109.1MB. Free memory was 48.3MB in the beginning and 45.1MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:11:40,185 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 41.1MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.03ms. Allocated memory is still 109.1MB. Free memory was 83.3MB in the beginning and 64.7MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.10ms. Allocated memory is still 109.1MB. Free memory was 64.7MB in the beginning and 61.0MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.38ms. Allocated memory is still 109.1MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1771.85ms. Allocated memory is still 109.1MB. Free memory was 58.9MB in the beginning and 66.5MB in the end (delta: -7.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * TraceAbstraction took 486.35ms. Allocated memory is still 109.1MB. Free memory was 65.8MB in the beginning and 49.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 80.43ms. Allocated memory is still 109.1MB. Free memory was 48.3MB in the beginning and 45.1MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. 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: 173]: 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 ; [L294] int status ; [L295] int irp = __VERIFIER_nondet_int() ; [L296] int pirp ; [L297] int pirp__IoStatus__Status ; [L298] int irp_choice = __VERIFIER_nondet_int() ; [L299] int devobj = __VERIFIER_nondet_int() ; [L300] int __cil_tmp8 ; [L302] KernelMode = 0 [L303] Executive = 0 [L304] DevicePowerState = 1 [L305] s = 0 [L306] UNLOADED = 0 [L307] NP = 0 [L308] DC = 0 [L309] SKIP1 = 0 [L310] SKIP2 = 0 [L311] MPR1 = 0 [L312] MPR3 = 0 [L313] IPC = 0 [L314] pended = 0 [L315] compFptr = 0 [L316] compRegistered = 0 [L317] lowerDriverReturn = 0 [L318] setEventCalled = 0 [L319] customIrp = 0 [L320] myStatus = 0 [L324] status = 0 [L325] pirp = irp [L326] 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 [L326] RET _BLAST_init() [L328] COND TRUE status >= 0 [L329] s = NP [L330] customIrp = 0 [L331] setEventCalled = customIrp [L332] lowerDriverReturn = setEventCalled [L333] compRegistered = lowerDriverReturn [L334] pended = compRegistered [L335] pirp__IoStatus__Status = 0 [L336] myStatus = 0 [L337] COND FALSE !(irp_choice == 0) [L342] 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 [L342] RET stub_driver_init() [L345] COND FALSE !(status < 0) [L349] int tmp_ndt_1; [L350] tmp_ndt_1 = __VERIFIER_nondet_int() [L351] COND FALSE !(tmp_ndt_1 == 0) [L354] int tmp_ndt_2; [L355] tmp_ndt_2 = __VERIFIER_nondet_int() [L356] COND FALSE !(tmp_ndt_2 == 1) [L359] int tmp_ndt_3; [L360] tmp_ndt_3 = __VERIFIER_nondet_int() [L361] COND TRUE tmp_ndt_3 == 3 [L388] CALL KbFilter_PnP(devobj, pirp) [L80] int devExt ; [L81] int irpStack ; [L82] int status ; [L83] int event = __VERIFIER_nondet_int() ; [L84] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L85] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L86] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L87] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L88] int devExt__Started ; [L89] int devExt__Removed ; [L90] int devExt__SurpriseRemoved ; [L91] int Irp__IoStatus__Status ; [L92] int Irp__IoStatus__Information ; [L93] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L94] int irpSp ; [L95] int nextIrpSp ; [L96] int nextIrpSp__Control ; [L97] int irpSp___0 ; [L98] int irpSp__Context ; [L99] int irpSp__Control ; [L100] long __cil_tmp23 ; [L103] status = 0 [L104] devExt = DeviceObject__DeviceExtension [L105] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [DC=2, 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, compFptr=0, compRegistered=0, customIrp=0, devExt__TopOfStack=0, event=0, irpStack__MinorFunction=0, lowerDriverReturn=0, myStatus=0, pended=0, s=1, setEventCalled=0] [L106] COND TRUE irpStack__MinorFunction == 0 [L172] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [DC=2, 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, compFptr=0, compRegistered=0, customIrp=0, devExt__TopOfStack=0, event=0, lowerDriverReturn=0, myStatus=0, pended=0, s=1, setEventCalled=0] [L173] Irp__Tail__Overlay__CurrentStackLocation - 1 VAL [DC=2, DevicePowerState=1, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, customIrp=0, devExt__TopOfStack=0, event=0, lowerDriverReturn=0, myStatus=0, pended=0, s=1, setEventCalled=0] - UnprovableResult [Line: 173]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 189]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 229]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 229]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 230]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 230]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 245]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 245]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 246]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 246]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 260]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 260]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 261]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 261]: 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, 186 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=186occurred 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, 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, 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! [2024-11-14 05:11:40,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f11bcbb5-0767-4b64-9736-f3aae5873839/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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)