./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48b194ce99c1fa112b5c4d4ed6cc0216b9fbb33f6f6efd57d62e9c27b1f7eb5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:06:11,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:06:11,447 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 00:06:11,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:06:11,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:06:11,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:06:11,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:06:11,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:06:11,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:06:11,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:06:11,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:06:11,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:06:11,473 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:06:11,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:06:11,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:06:11,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:06:11,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:06:11,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:06:11,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:06:11,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:06:11,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:06:11,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:06:11,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:06:11,474 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:06:11,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:06:11,475 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:06:11,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:06:11,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:06:11,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:06:11,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:06:11,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:06:11,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:06:11,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:06:11,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:06:11,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:06:11,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48b194ce99c1fa112b5c4d4ed6cc0216b9fbb33f6f6efd57d62e9c27b1f7eb5c [2024-12-06 00:06:11,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:06:11,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:06:11,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:06:11,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:06:11,726 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:06:11,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2024-12-06 00:06:14,396 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/data/4ab0d2807/94701893309b4842ae1734eeb589c307/FLAG294c90cc7 [2024-12-06 00:06:14,642 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:06:14,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2024-12-06 00:06:14,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/data/4ab0d2807/94701893309b4842ae1734eeb589c307/FLAG294c90cc7 [2024-12-06 00:06:14,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/data/4ab0d2807/94701893309b4842ae1734eeb589c307 [2024-12-06 00:06:14,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:06:14,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:06:14,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:06:14,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:06:14,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:06:14,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94a4dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:14, skipping insertion in model container [2024-12-06 00:06:14,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:06:14" (1/1) ... [2024-12-06 00:06:14,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:06:14,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:06:14,929 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:06:14,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:06:15,007 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:06:15,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15 WrapperNode [2024-12-06 00:06:15,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:06:15,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:06:15,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:06:15,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:06:15,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,062 INFO L138 Inliner]: procedures = 38, calls = 67, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 842 [2024-12-06 00:06:15,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:06:15,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:06:15,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:06:15,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:06:15,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,090 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:06:15,109 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:06:15,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:06:15,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:06:15,110 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:15" (1/1) ... [2024-12-06 00:06:15,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:06:15,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:06:15,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:06:15,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:06:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:06:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2024-12-06 00:06:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2024-12-06 00:06:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2024-12-06 00:06:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2024-12-06 00:06:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2024-12-06 00:06:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2024-12-06 00:06:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2024-12-06 00:06:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2024-12-06 00:06:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2024-12-06 00:06:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2024-12-06 00:06:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2024-12-06 00:06:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2024-12-06 00:06:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:06:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2024-12-06 00:06:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2024-12-06 00:06:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2024-12-06 00:06:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2024-12-06 00:06:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2024-12-06 00:06:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2024-12-06 00:06:15,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:06:15,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:06:15,298 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:06:15,300 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:06:15,307 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-06 00:06:15,353 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false;havoc ~tmp_ndt_7~0; [2024-12-06 00:06:15,354 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2024-12-06 00:06:15,355 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-06 00:06:15,382 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false;havoc ~tmp_ndt_10~0; [2024-12-06 00:06:15,382 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2024-12-06 00:06:15,439 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-06 00:06:15,442 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-06 00:06:15,449 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-06 00:06:15,804 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume !false; [2024-12-06 00:06:15,804 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume false; [2024-12-06 00:06:15,804 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2024-12-06 00:06:15,804 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2024-12-06 00:06:15,804 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2024-12-06 00:06:15,804 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2024-12-06 00:06:15,806 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-12-06 00:06:15,837 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2024-12-06 00:06:15,837 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2024-12-06 00:06:15,974 INFO L? ?]: Removed 325 outVars from TransFormulas that were not future-live. [2024-12-06 00:06:15,974 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:06:16,109 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:06:16,110 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:06:16,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:16 BoogieIcfgContainer [2024-12-06 00:06:16,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:06:16,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:06:16,111 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:06:16,120 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:06:16,120 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:16" (1/1) ... [2024-12-06 00:06:16,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:06:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:16,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 263 states and 368 transitions. [2024-12-06 00:06:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 368 transitions. [2024-12-06 00:06:16,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:06:16,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:16,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:06:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:16,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 262 states and 367 transitions. [2024-12-06 00:06:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 367 transitions. [2024-12-06 00:06:16,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:06:16,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:16,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:06:16,484 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:06:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:06:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:06:16,564 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:06:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:06:16,609 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:06:16,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:06:16 ImpRootNode [2024-12-06 00:06:16,637 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:06:16,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:06:16,637 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:06:16,637 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:06:16,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:16" (3/4) ... [2024-12-06 00:06:16,639 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 00:06:16,681 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 12. [2024-12-06 00:06:16,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 00:06:16,728 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 00:06:16,729 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:06:16,729 INFO L158 Benchmark]: Toolchain (without parser) took 2061.12ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 79.8MB in the end (delta: 37.8MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-12-06 00:06:16,730 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:06:16,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.08ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 96.7MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:06:16,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.40ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 92.5MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:06:16,730 INFO L158 Benchmark]: Boogie Preprocessor took 46.04ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 89.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:06:16,731 INFO L158 Benchmark]: RCFGBuilder took 1000.76ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 54.8MB in the end (delta: 34.5MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-12-06 00:06:16,731 INFO L158 Benchmark]: CodeCheck took 526.14ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 86.3MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:06:16,731 INFO L158 Benchmark]: Witness Printer took 91.35ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 79.8MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:06:16,733 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 263 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 7 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 427]: integer overflow possible integer overflow possible We found a FailurePath: [L31] int s ; [L32] int UNLOADED ; [L33] int NP ; [L34] int DC ; [L35] int SKIP1 ; [L36] int SKIP2 ; [L37] int MPR1 ; [L38] int MPR3 ; [L39] int IPC ; [L40] int pended ; [L41] int compFptr ; [L42] int compRegistered ; [L43] int lowerDriverReturn ; [L44] int setEventCalled ; [L45] int customIrp ; [L46] int myStatus ; [L47] int routine ; [L48] int pirp ; [L49] int Executive ; [L50] int KernelMode ; [L648] int d = __VERIFIER_nondet_int() ; [L649] int status = __VERIFIER_nondet_int() ; [L650] int we_should_unload = __VERIFIER_nondet_int() ; [L651] int irp = __VERIFIER_nondet_int() ; [L652] int pirp__IoStatus__Status ; [L653] int irp_choice = __VERIFIER_nondet_int() ; [L654] int devobj = __VERIFIER_nondet_int() ; [L655] int __cil_tmp9 ; [L657] s = 0 [L658] UNLOADED = 0 [L659] NP = 0 [L660] DC = 0 [L661] SKIP1 = 0 [L662] SKIP2 = 0 [L663] MPR1 = 0 [L664] MPR3 = 0 [L665] IPC = 0 [L666] pended = 0 [L667] compFptr = 0 [L668] compRegistered = 0 [L669] lowerDriverReturn = 0 [L670] setEventCalled = 0 [L671] customIrp = 0 [L672] myStatus = 0 [L673] routine = 0 [L674] pirp = 0 [L675] Executive = 0 [L676] KernelMode = 0 [L680] pirp = irp [L681] CALL _BLAST_init() [L64] UNLOADED = 0 [L65] NP = 1 [L66] DC = 2 [L67] SKIP1 = 3 [L68] SKIP2 = 4 [L69] MPR1 = 5 [L70] MPR3 = 6 [L71] IPC = 7 [L72] s = UNLOADED [L73] pended = 0 [L74] compFptr = 0 [L75] compRegistered = 0 [L76] lowerDriverReturn = 0 [L77] setEventCalled = 0 [L78] customIrp = 0 [L681] RET _BLAST_init() [L683] COND TRUE status >= 0 [L684] s = NP [L685] customIrp = 0 [L686] setEventCalled = customIrp [L687] lowerDriverReturn = setEventCalled [L688] compRegistered = lowerDriverReturn [L689] compFptr = compRegistered [L690] pended = compFptr [L691] pirp__IoStatus__Status = 0 [L692] myStatus = 0 [L693] COND FALSE !(irp_choice == 0) [L698] CALL stub_driver_init() [L637] s = NP [L638] customIrp = 0 [L639] setEventCalled = customIrp [L640] lowerDriverReturn = setEventCalled [L641] compRegistered = lowerDriverReturn [L642] compFptr = compRegistered [L643] pended = compFptr [L698] RET stub_driver_init() [L701] COND FALSE !(status < 0) [L705] int tmp_ndt_1; [L706] tmp_ndt_1 = __VERIFIER_nondet_int() [L707] COND FALSE !(tmp_ndt_1 == 0) [L710] int tmp_ndt_2; [L711] tmp_ndt_2 = __VERIFIER_nondet_int() [L712] COND TRUE tmp_ndt_2 == 2 [L739] CALL DiskPerfDeviceControl(devobj, pirp) [L355] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L356] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L357] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L358] int deviceExtension__TargetDeviceObject = __VERIFIER_nondet_int() ; [L359] int currentIrpStack__Parameters__DeviceIoControl__IoControlCode = __VERIFIER_nondet_int() ; [L360] int currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength = __VERIFIER_nondet_int() ; [L361] int sizeof__DISK_PERFORMANCE = __VERIFIER_nondet_int() ; [L362] int Irp__IoStatus__Information ; [L363] int deviceExtension__DiskCounters = __VERIFIER_nondet_int() ; [L364] int Irp__AssociatedIrp__SystemBuffer = __VERIFIER_nondet_int() ; [L365] int deviceExtension__Processors = __VERIFIER_nondet_int() ; [L366] int totalCounters__QueueDepth ; [L367] int deviceExtension__QueueDepth = __VERIFIER_nondet_int() ; [L368] int Irp__IoStatus__Status ; [L369] int deviceExtension ; [L370] int currentIrpStack ; [L371] int status ; [L372] int i ; [L373] int totalCounters ; [L374] int diskCounters ; [L375] int tmp ; [L376] int __cil_tmp24 ; [L377] int __cil_tmp25 ; [L378] int __cil_tmp26 ; [L381] deviceExtension = DeviceObject__DeviceExtension [L382] currentIrpStack = Irp__Tail__Overlay__CurrentStackLocation [L384] __cil_tmp24 = 32 [L385] __cil_tmp25 = 458752 [L386] __cil_tmp26 = 458784 VAL [DC=2, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__CurrentLocation=2147483647, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, __cil_tmp26=458784, compFptr=0, compRegistered=0, currentIrpStack__Parameters__DeviceIoControl__IoControlCode=0, currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength=0, customIrp=0, deviceExtension__DiskCounters=0, deviceExtension__Processors=0, deviceExtension__QueueDepth=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, sizeof__DISK_PERFORMANCE=0] [L387] COND FALSE !(currentIrpStack__Parameters__DeviceIoControl__IoControlCode == __cil_tmp26) [L427] Irp__CurrentLocation ++ VAL [DC=2, Executive=0, IPC=7, Irp=0, Irp__AssociatedIrp__SystemBuffer=0, Irp__Tail__Overlay__CurrentStackLocation=0, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, compFptr=0, compRegistered=0, currentIrpStack__Parameters__DeviceIoControl__OutputBufferLength=0, customIrp=0, deviceExtension__DiskCounters=0, deviceExtension__Processors=0, deviceExtension__QueueDepth=0, deviceExtension__TargetDeviceObject=0, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, routine=0, s=1, setEventCalled=0, sizeof__DISK_PERFORMANCE=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.08ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 96.7MB in the end (delta: 20.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.40ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 92.5MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.04ms. Allocated memory is still 142.6MB. Free memory was 92.5MB in the beginning and 89.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1000.76ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 54.8MB in the end (delta: 34.5MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * CodeCheck took 526.14ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 86.3MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.35ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 79.8MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 00:06:16,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fba04f-d9fd-4a44-bc97-881929493596/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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)