./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme --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 db1e722f73dbd7795cdbaca4c816f6c8a0f90138145d9f90bf0f222b7dd371eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:06:27,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:06:28,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 12:06:28,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:06:28,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:06:28,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:06:28,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:06:28,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:06:28,082 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:06:28,083 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:06:28,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:06:28,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:06:28,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:06:28,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:06:28,087 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:06:28,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:06:28,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:06:28,091 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:06:28,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:06:28,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:06:28,096 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:06:28,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:06:28,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:06:28,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:06:28,098 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 12:06:28,099 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:06:28,099 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:06:28,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:06:28,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:06:28,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:06:28,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:06:28,103 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:06:28,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:06:28,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:06:28,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:06:28,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:06:28,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:06:28,106 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:06:28,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:06:28,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:06:28,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:06:28,107 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:06:28,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:06:28,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:06:28,108 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_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db1e722f73dbd7795cdbaca4c816f6c8a0f90138145d9f90bf0f222b7dd371eb [2023-11-26 12:06:28,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:06:28,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:06:28,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:06:28,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:06:28,454 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:06:28,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2023-11-26 12:06:31,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:06:31,960 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:06:31,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2023-11-26 12:06:31,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/data/48caeceea/503e2301097f4cd08fb1f3ec89a28e8a/FLAGb5a9d7f97 [2023-11-26 12:06:32,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/data/48caeceea/503e2301097f4cd08fb1f3ec89a28e8a [2023-11-26 12:06:32,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:06:32,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:06:32,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:32,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:06:32,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:06:32,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0c7d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32, skipping insertion in model container [2023-11-26 12:06:32,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,341 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:06:32,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:32,599 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:06:32,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:06:32,674 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:06:32,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32 WrapperNode [2023-11-26 12:06:32,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:06:32,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:32,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:06:32,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:06:32,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,740 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 462 [2023-11-26 12:06:32,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:06:32,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:06:32,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:06:32,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:06:32,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,775 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,803 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 12:06:32,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:06:32,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:06:32,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:06:32,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:06:32,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (1/1) ... [2023-11-26 12:06:32,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:06:32,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:06:32,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:06:32,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:06:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:06:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-11-26 12:06:32,986 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-11-26 12:06:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:06:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-11-26 12:06:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-11-26 12:06:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:06:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:06:33,104 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:06:33,107 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:06:33,140 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 12:06:33,148 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 12:06:33,154 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 12:06:33,604 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume !false;havoc KeWaitForSingleObject_~tmp_ndt_4~0#1; [2023-11-26 12:06:33,604 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##81: assume false; [2023-11-26 12:06:33,604 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !false; [2023-11-26 12:06:33,605 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume false; [2023-11-26 12:06:33,605 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2023-11-26 12:06:33,605 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2023-11-26 12:06:33,607 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-26 12:06:33,674 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2023-11-26 12:06:33,674 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2023-11-26 12:06:33,699 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:06:33,797 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:06:33,801 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:06:33,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:33 BoogieIcfgContainer [2023-11-26 12:06:33,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:06:33,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:06:33,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:06:33,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:06:33,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:06:32" (1/3) ... [2023-11-26 12:06:33,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357de1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:06:33, skipping insertion in model container [2023-11-26 12:06:33,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:06:32" (2/3) ... [2023-11-26 12:06:33,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357de1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:06:33, skipping insertion in model container [2023-11-26 12:06:33,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:33" (3/3) ... [2023-11-26 12:06:33,818 INFO L112 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2023-11-26 12:06:33,841 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:06:33,841 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-26 12:06:33,903 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:06:33,911 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;@5e663832, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:06:33,911 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-26 12:06:33,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 100 states have (on average 1.78) internal successors, (178), 126 states have internal predecessors, (178), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 12:06:33,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-26 12:06:33,926 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:33,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:33,927 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2023-11-26 12:06:33,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:33,933 INFO L85 PathProgramCache]: Analyzing trace with hash 408611224, now seen corresponding path program 1 times [2023-11-26 12:06:33,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:06:33,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795839698] [2023-11-26 12:06:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:33,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:06:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:34,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:06:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:06:34,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:06:34,196 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 12:06:34,200 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2023-11-26 12:06:34,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2023-11-26 12:06:34,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2023-11-26 12:06:34,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2023-11-26 12:06:34,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2023-11-26 12:06:34,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2023-11-26 12:06:34,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2023-11-26 12:06:34,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2023-11-26 12:06:34,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2023-11-26 12:06:34,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2023-11-26 12:06:34,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2023-11-26 12:06:34,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2023-11-26 12:06:34,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2023-11-26 12:06:34,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2023-11-26 12:06:34,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2023-11-26 12:06:34,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2023-11-26 12:06:34,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:06:34,218 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-26 12:06:34,223 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:06:34,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:06:34 BoogieIcfgContainer [2023-11-26 12:06:34,296 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:06:34,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:06:34,300 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:06:34,301 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:06:34,301 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:06:33" (3/4) ... [2023-11-26 12:06:34,302 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-26 12:06:34,402 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:06:34,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:06:34,404 INFO L158 Benchmark]: Toolchain (without parser) took 2123.91ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 99.4MB in the beginning and 104.3MB in the end (delta: -4.9MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-11-26 12:06:34,404 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 132.1MB. Free memory was 104.1MB in the beginning and 103.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:06:34,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.96ms. Allocated memory is still 132.1MB. Free memory was 99.0MB in the beginning and 84.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:06:34,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.01ms. Allocated memory is still 132.1MB. Free memory was 84.2MB in the beginning and 81.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:06:34,406 INFO L158 Benchmark]: Boogie Preprocessor took 125.49ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 78.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:06:34,406 INFO L158 Benchmark]: RCFGBuilder took 930.46ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 78.3MB in the beginning and 127.4MB in the end (delta: -49.1MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-11-26 12:06:34,407 INFO L158 Benchmark]: TraceAbstraction took 490.91ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 108.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-26 12:06:34,407 INFO L158 Benchmark]: Witness Printer took 104.32ms. Allocated memory is still 163.6MB. Free memory was 108.5MB in the beginning and 104.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:06:34,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 132.1MB. Free memory was 104.1MB in the beginning and 103.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.96ms. Allocated memory is still 132.1MB. Free memory was 99.0MB in the beginning and 84.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.01ms. Allocated memory is still 132.1MB. Free memory was 84.2MB in the beginning and 81.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.49ms. Allocated memory is still 132.1MB. Free memory was 81.3MB in the beginning and 78.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 930.46ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 78.3MB in the beginning and 127.4MB in the end (delta: -49.1MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * TraceAbstraction took 490.91ms. Allocated memory is still 163.6MB. Free memory was 126.5MB in the beginning and 108.5MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 104.32ms. Allocated memory is still 163.6MB. Free memory was 108.5MB in the beginning and 104.3MB 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: 169]: integer overflow possible integer overflow possible We found a FailurePath: [L18] int KernelMode ; [L19] int Executive ; [L20] int s ; [L21] int UNLOADED ; [L22] int NP ; [L23] int DC ; [L24] int SKIP1 ; [L25] int SKIP2 ; [L26] int MPR1 ; [L27] int MPR3 ; [L28] int IPC ; [L29] int pended ; [L30] int compFptr ; [L31] int compRegistered ; [L32] int lowerDriverReturn ; [L33] int setEventCalled ; [L34] int customIrp ; [L35] int myStatus ; [L289] int status ; [L290] int irp = __VERIFIER_nondet_int() ; [L291] int pirp ; [L292] int pirp__IoStatus__Status ; [L293] int irp_choice = __VERIFIER_nondet_int() ; [L294] int devobj = __VERIFIER_nondet_int() ; [L295] int __cil_tmp8 ; [L300] KernelMode = 0 [L301] Executive = 0 [L302] s = 0 [L303] UNLOADED = 0 [L304] NP = 0 [L305] DC = 0 [L306] SKIP1 = 0 [L307] SKIP2 = 0 [L308] MPR1 = 0 [L309] MPR3 = 0 [L310] IPC = 0 [L311] pended = 0 [L312] compFptr = 0 [L313] compRegistered = 0 [L314] lowerDriverReturn = 0 [L315] setEventCalled = 0 [L316] customIrp = 0 [L317] myStatus = 0 [L319] status = 0 [L320] pirp = irp [L321] CALL _BLAST_init() [L55] UNLOADED = 0 [L56] NP = 1 [L57] DC = 2 [L58] SKIP1 = 3 [L59] SKIP2 = 4 [L60] MPR1 = 5 [L61] MPR3 = 6 [L62] IPC = 7 [L63] s = UNLOADED [L64] pended = 0 [L65] compFptr = 0 [L66] compRegistered = 0 [L67] lowerDriverReturn = 0 [L68] setEventCalled = 0 [L69] customIrp = 0 [L321] RET _BLAST_init() [L323] COND TRUE status >= 0 [L324] s = NP [L325] customIrp = 0 [L326] setEventCalled = customIrp [L327] lowerDriverReturn = setEventCalled [L328] compRegistered = lowerDriverReturn [L329] pended = compRegistered [L330] pirp__IoStatus__Status = 0 [L331] myStatus = 0 VAL [DC=2, 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=0, irp_choice=1, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, pirp__IoStatus__Status=0, s=1, setEventCalled=0, status=0] [L332] COND FALSE !(irp_choice == 0) VAL [DC=2, 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=0, irp_choice=1, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, pirp__IoStatus__Status=0, s=1, setEventCalled=0, status=0] [L337] CALL stub_driver_init() [L41] s = NP [L42] pended = 0 [L43] compFptr = 0 [L44] compRegistered = 0 [L45] lowerDriverReturn = 0 [L46] setEventCalled = 0 [L47] customIrp = 0 [L337] RET stub_driver_init() [L340] COND TRUE status >= 0 [L341] __cil_tmp8 = 1 VAL [DC=2, Executive=0, IPC=7, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, __cil_tmp8=1, compFptr=0, compRegistered=0, customIrp=0, devobj=-1, irp=0, irp_choice=1, lowerDriverReturn=0, myStatus=0, pended=0, pirp=0, pirp__IoStatus__Status=0, s=1, setEventCalled=0, status=0] [L346] COND FALSE !(! __cil_tmp8) [L350] int tmp_ndt_1; [L351] tmp_ndt_1 = __VERIFIER_nondet_int() [L352] COND TRUE tmp_ndt_1 == 3 [L359] CALL KbFilter_PnP(devobj, pirp) [L76] int devExt ; [L77] int irpStack ; [L78] int status ; [L79] int event = __VERIFIER_nondet_int() ; [L80] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L81] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L82] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L83] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L84] int devExt__Started ; [L85] int devExt__Removed ; [L86] int devExt__SurpriseRemoved ; [L87] int Irp__IoStatus__Status ; [L88] int Irp__IoStatus__Information ; [L89] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L90] int irpSp ; [L91] int nextIrpSp ; [L92] int nextIrpSp__Control ; [L93] int irpSp___0 ; [L94] int irpSp__Context ; [L95] int irpSp__Control ; [L96] long __cil_tmp23 ; [L99] status = 0 [L100] devExt = DeviceObject__DeviceExtension [L101] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [DC=2, DeviceObject=-1, DeviceObject__DeviceExtension=-2, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, devExt=-2, devExt__TopOfStack=0, event=0, irpStack=-2147483648, irpStack__MinorFunction=0, lowerDriverReturn=0, myStatus=0, pended=0, s=1, setEventCalled=0, status=0] [L102] COND TRUE irpStack__MinorFunction == 0 [L168] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [DC=2, DeviceObject=-1, DeviceObject__DeviceExtension=-2, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, devExt=-2, devExt__TopOfStack=0, event=0, irpSp=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, lowerDriverReturn=0, myStatus=0, pended=0, s=1, setEventCalled=0, status=0] [L169] Irp__Tail__Overlay__CurrentStackLocation - 1 VAL [DC=2, DeviceObject=-1, DeviceObject__DeviceExtension=-2, Executive=0, IPC=7, Irp=0, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, KernelMode=0, MPR1=5, MPR3=6, NP=1, SKIP1=3, SKIP2=4, UNLOADED=0, \old(DeviceObject)=-1, \old(Irp)=0, compFptr=0, compRegistered=0, customIrp=0, devExt=-2, devExt__TopOfStack=0, event=0, irpSp=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, lowerDriverReturn=0, myStatus=0, pended=0, s=1, setEventCalled=0, status=0] - UnprovableResult [Line: 169]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 185]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 185]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 224]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 224]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 225]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 225]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 240]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 240]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 241]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 241]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 255]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 255]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 256]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 256]: 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 3 procedures, 133 locations, 16 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=133occurred 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, 9 NumberOfCodeBlocks, 9 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! [2023-11-26 12:06:34,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e96e38b8-c493-44a2-9d79-450dcfaab8c0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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)