/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:50:47,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:50:47,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:50:47,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:50:47,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:50:47,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:50:47,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:50:47,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:50:47,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:50:47,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:50:47,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:50:47,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:50:47,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:50:47,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:50:47,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:50:47,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:50:47,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:50:47,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:50:47,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:50:47,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:50:47,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:50:47,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:50:47,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:50:47,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:50:47,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:50:47,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:50:47,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:50:47,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:50:47,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:50:47,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:50:47,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:50:47,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:50:47,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:50:47,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:50:47,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:50:47,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:50:47,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:50:47,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:50:47,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:50:47,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:50:47,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:50:47,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:50:47,298 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:50:47,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:50:47,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:50:47,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:50:47,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:50:47,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:50:47,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:50:47,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:50:47,305 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:50:47,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:50:47,307 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:50:47,307 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:50:47,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:50:47,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:50:47,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:50:47,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:50:47,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:50:47,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:50:47,308 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:50:47,309 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:50:47,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:50:47,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:50:47,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:50:47,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:50:47,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:50:47,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:50:47,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:50:47,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:50:47,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:50:47,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:50:47,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:50:47,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:50:47,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:50:47,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:50:47,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:50:47,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:50:47,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:50:47,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:50:47,801 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:50:47,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2022-10-16 14:50:47,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7989ed76/f204ae4d35044437bcbac98cdb1cb82e/FLAG1c6958bfb [2022-10-16 14:50:48,536 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:50:48,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2022-10-16 14:50:48,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7989ed76/f204ae4d35044437bcbac98cdb1cb82e/FLAG1c6958bfb [2022-10-16 14:50:48,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7989ed76/f204ae4d35044437bcbac98cdb1cb82e [2022-10-16 14:50:48,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:50:48,869 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:50:48,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:50:48,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:50:48,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:50:48,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:50:48" (1/1) ... [2022-10-16 14:50:48,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26bc5310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:48, skipping insertion in model container [2022-10-16 14:50:48,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:50:48" (1/1) ... [2022-10-16 14:50:48,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:50:48,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:50:49,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2022-10-16 14:50:49,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:50:49,220 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:50:49,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2022-10-16 14:50:49,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:50:49,337 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:50:49,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49 WrapperNode [2022-10-16 14:50:49,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:50:49,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:50:49,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:50:49,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:50:49,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (1/1) ... [2022-10-16 14:50:49,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (1/1) ... [2022-10-16 14:50:49,408 INFO L138 Inliner]: procedures = 24, calls = 29, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 439 [2022-10-16 14:50:49,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:50:49,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:50:49,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:50:49,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:50:49,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (1/1) ... [2022-10-16 14:50:49,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (1/1) ... [2022-10-16 14:50:49,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (1/1) ... [2022-10-16 14:50:49,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (1/1) ... [2022-10-16 14:50:49,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (1/1) ... [2022-10-16 14:50:49,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (1/1) ... [2022-10-16 14:50:49,484 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (1/1) ... [2022-10-16 14:50:49,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (1/1) ... [2022-10-16 14:50:49,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:50:49,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:50:49,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:50:49,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:50:49,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (1/1) ... [2022-10-16 14:50:49,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:50:49,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:50:49,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:50:49,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:50:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:50:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-10-16 14:50:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-10-16 14:50:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:50:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-10-16 14:50:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-10-16 14:50:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:50:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:50:49,797 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:50:49,803 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:50:49,897 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 14:50:49,914 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 14:50:49,935 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 14:50:50,433 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##82: assume !false; [2022-10-16 14:50:50,434 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##81: assume false; [2022-10-16 14:50:50,434 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !false; [2022-10-16 14:50:50,434 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume false; [2022-10-16 14:50:50,434 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2022-10-16 14:50:50,434 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2022-10-16 14:50:50,436 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-16 14:50:50,515 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2022-10-16 14:50:50,515 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2022-10-16 14:50:50,522 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:50:50,549 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:50:50,549 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 14:50:50,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:50:50 BoogieIcfgContainer [2022-10-16 14:50:50,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:50:50,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:50:50,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:50:50,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:50:50,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:50:48" (1/3) ... [2022-10-16 14:50:50,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e436e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:50:50, skipping insertion in model container [2022-10-16 14:50:50,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:49" (2/3) ... [2022-10-16 14:50:50,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e436e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:50:50, skipping insertion in model container [2022-10-16 14:50:50,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:50:50" (3/3) ... [2022-10-16 14:50:50,565 INFO L112 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2022-10-16 14:50:50,588 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:50:50,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 14:50:50,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:50:50,671 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3c2d6e79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:50:50,672 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 14:50:50,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 118 states have (on average 1.6610169491525424) internal successors, (196), 144 states have internal predecessors, (196), 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) [2022-10-16 14:50:50,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 14:50:50,690 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:50:50,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:50:50,691 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)] === [2022-10-16 14:50:50,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:50:50,698 INFO L85 PathProgramCache]: Analyzing trace with hash -778537420, now seen corresponding path program 1 times [2022-10-16 14:50:50,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:50:50,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187040930] [2022-10-16 14:50:50,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:50:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:50:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:50:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:50:51,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:50:51,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187040930] [2022-10-16 14:50:51,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187040930] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:50:51,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:50:51,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:50:51,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601199570] [2022-10-16 14:50:51,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:50:51,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:50:51,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:50:51,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:50:51,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:50:51,113 INFO L87 Difference]: Start difference. First operand has 151 states, 118 states have (on average 1.6610169491525424) internal successors, (196), 144 states have internal predecessors, (196), 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) Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:50:51,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:50:51,201 INFO L93 Difference]: Finished difference Result 270 states and 400 transitions. [2022-10-16 14:50:51,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:50:51,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-10-16 14:50:51,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:50:51,217 INFO L225 Difference]: With dead ends: 270 [2022-10-16 14:50:51,218 INFO L226 Difference]: Without dead ends: 73 [2022-10-16 14:50:51,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:50:51,228 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 141 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:50:51,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 328 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:50:51,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-10-16 14:50:51,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-10-16 14:50:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 59 states have (on average 1.5593220338983051) internal successors, (92), 72 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:50:51,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-10-16 14:50:51,272 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 14 [2022-10-16 14:50:51,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:50:51,272 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-10-16 14:50:51,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:50:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2022-10-16 14:50:51,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 14:50:51,274 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:50:51,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:50:51,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:50:51,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 14:50:51,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:50:51,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1635143935, now seen corresponding path program 1 times [2022-10-16 14:50:51,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:50:51,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491076738] [2022-10-16 14:50:51,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:50:51,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:50:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 14:50:51,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-16 14:50:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-16 14:50:51,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-16 14:50:51,399 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-16 14:50:51,402 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-10-16 14:50:51,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-10-16 14:50:51,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-10-16 14:50:51,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-10-16 14:50:51,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-10-16 14:50:51,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-10-16 14:50:51,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-10-16 14:50:51,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-10-16 14:50:51,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-10-16 14:50:51,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-10-16 14:50:51,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-10-16 14:50:51,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-10-16 14:50:51,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-10-16 14:50:51,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-10-16 14:50:51,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-10-16 14:50:51,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-10-16 14:50:51,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:50:51,415 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-10-16 14:50:51,421 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 14:50:51,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:50:51 BoogieIcfgContainer [2022-10-16 14:50:51,481 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 14:50:51,482 INFO L158 Benchmark]: Toolchain (without parser) took 2617.07ms. Allocated memory is still 155.2MB. Free memory was 129.6MB in the beginning and 79.5MB in the end (delta: 50.1MB). Peak memory consumption was 51.7MB. Max. memory is 8.0GB. [2022-10-16 14:50:51,483 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 14:50:51,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.93ms. Allocated memory is still 155.2MB. Free memory was 129.5MB in the beginning and 115.1MB in the end (delta: 14.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-10-16 14:50:51,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.24ms. Allocated memory is still 155.2MB. Free memory was 115.1MB in the beginning and 111.8MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 14:50:51,485 INFO L158 Benchmark]: Boogie Preprocessor took 86.68ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 109.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 14:50:51,486 INFO L158 Benchmark]: RCFGBuilder took 1052.70ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 118.9MB in the end (delta: -9.1MB). Peak memory consumption was 15.0MB. Max. memory is 8.0GB. [2022-10-16 14:50:51,486 INFO L158 Benchmark]: TraceAbstraction took 925.05ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 79.5MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-10-16 14:50:51,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 467.93ms. Allocated memory is still 155.2MB. Free memory was 129.5MB in the beginning and 115.1MB in the end (delta: 14.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.24ms. Allocated memory is still 155.2MB. Free memory was 115.1MB in the beginning and 111.8MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 86.68ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 109.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1052.70ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 118.9MB in the end (delta: -9.1MB). Peak memory consumption was 15.0MB. Max. memory is 8.0GB. * TraceAbstraction took 925.05ms. Allocated memory is still 155.2MB. Free memory was 118.3MB in the beginning and 79.5MB in the end (delta: 38.8MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * 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 ; VAL [compFptr=0, compRegistered=0, customIrp=0, DC=0, Executive=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MPR1=0, MPR3=0, myStatus=0, NP=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, UNLOADED=0] [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 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=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 [compFptr=0, compRegistered=0, customIrp=0, DC=2, devobj=-1, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L332] COND TRUE irp_choice == 0 [L333] pirp__IoStatus__Status = -1073741637 [L334] myStatus = -1073741637 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, devobj=-1, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=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 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L337] RET stub_driver_init() [L340] COND TRUE status >= 0 [L341] __cil_tmp8 = 1 VAL [__cil_tmp8=1, compFptr=0, compRegistered=0, customIrp=0, DC=2, devobj=-1, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=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 VAL [__cil_tmp8=1, compFptr=0, compRegistered=0, customIrp=0, DC=2, devobj=-1, Executive=0, IPC=7, irp=-2, irp_choice=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, pirp=-2, pirp__IoStatus__Status=-1073741637, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, tmp_ndt_1=3, UNLOADED=0] [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 [\old(DeviceObject)=-1, \old(Irp)=-2, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=-1, DeviceObject__DeviceExtension=0, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L102] COND TRUE irpStack__MinorFunction == 0 VAL [\old(DeviceObject)=-1, \old(Irp)=-2, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=-1, DeviceObject__DeviceExtension=0, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L168] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [\old(DeviceObject)=-1, \old(Irp)=-2, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=-1, DeviceObject__DeviceExtension=0, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, irpSp=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=0] [L169] Irp__Tail__Overlay__CurrentStackLocation - 1 VAL [\old(DeviceObject)=-1, \old(Irp)=-2, compFptr=0, compRegistered=0, customIrp=0, DC=2, devExt=0, devExt__TopOfStack=0, DeviceObject=-1, DeviceObject__DeviceExtension=0, event=0, Executive=0, IPC=7, Irp=-2, Irp__CurrentLocation=0, Irp__Tail__Overlay__CurrentStackLocation=-2147483648, irpSp=-2147483648, irpStack=-2147483648, irpStack__MinorFunction=0, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, status=0, UNLOADED=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, 151 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 328 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 232 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2022-10-16 14:50:51,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...