./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 507de3a6972fe7d98868a5d3779c0d8ce42b046d ......................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:16:18,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:16:18,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:16:18,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:16:18,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:16:18,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:16:18,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:16:18,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:16:18,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:16:18,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:16:18,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:16:18,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:16:18,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:16:18,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:16:18,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:16:18,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:16:18,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:16:18,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:16:18,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:16:18,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:16:18,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:16:18,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:16:18,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:16:18,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:16:18,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:16:18,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:16:18,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:16:18,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:16:18,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:16:18,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:16:18,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:16:18,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:16:18,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:16:18,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:16:18,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:16:18,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:16:18,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:16:18,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:16:18,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:16:18,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:16:18,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:16:18,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-07-29 01:16:18,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:16:18,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:16:18,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:16:18,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:16:18,325 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:16:18,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:16:18,325 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:16:18,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:16:18,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:16:18,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:16:18,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:16:18,328 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-07-29 01:16:18,328 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-07-29 01:16:18,329 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-07-29 01:16:18,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:16:18,329 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-07-29 01:16:18,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:16:18,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:16:18,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:16:18,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:16:18,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:16:18,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:16:18,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:16:18,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:16:18,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:16:18,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:16:18,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:16:18,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:16:18,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 507de3a6972fe7d98868a5d3779c0d8ce42b046d [2020-07-29 01:16:18,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:16:18,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:16:18,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:16:18,657 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:16:18,658 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:16:18,659 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2020-07-29 01:16:18,738 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd44e3fa/f6ade87897474abdbbdf990bd502e3f2/FLAG4e4c1f6de [2020-07-29 01:16:19,304 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:16:19,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2020-07-29 01:16:19,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd44e3fa/f6ade87897474abdbbdf990bd502e3f2/FLAG4e4c1f6de [2020-07-29 01:16:19,557 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd44e3fa/f6ade87897474abdbbdf990bd502e3f2 [2020-07-29 01:16:19,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:16:19,563 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-07-29 01:16:19,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:16:19,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:16:19,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:16:19,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:16:19" (1/1) ... [2020-07-29 01:16:19,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3f06fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:19, skipping insertion in model container [2020-07-29 01:16:19,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:16:19" (1/1) ... [2020-07-29 01:16:19,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:16:19,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:16:20,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:16:20,051 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:16:20,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:16:20,291 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:16:20,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:20 WrapperNode [2020-07-29 01:16:20,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:16:20,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:16:20,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:16:20,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:16:20,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:20" (1/1) ... [2020-07-29 01:16:20,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:20" (1/1) ... [2020-07-29 01:16:20,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:20" (1/1) ... [2020-07-29 01:16:20,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:20" (1/1) ... [2020-07-29 01:16:20,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:20" (1/1) ... [2020-07-29 01:16:20,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:20" (1/1) ... [2020-07-29 01:16:20,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:20" (1/1) ... [2020-07-29 01:16:20,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:16:20,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:16:20,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:16:20,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:16:20,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:16:20,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-29 01:16:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:16:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-07-29 01:16:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-07-29 01:16:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSyncFilterWithTarget [2020-07-29 01:16:20,471 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPnp [2020-07-29 01:16:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2020-07-29 01:16:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfStartDevice [2020-07-29 01:16:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRemoveDevice [2020-07-29 01:16:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2020-07-29 01:16:20,472 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPower [2020-07-29 01:16:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2020-07-29 01:16:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfCreate [2020-07-29 01:16:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2020-07-29 01:16:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDeviceControl [2020-07-29 01:16:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfShutdownFlush [2020-07-29 01:16:20,474 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfUnload [2020-07-29 01:16:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRegisterDevice [2020-07-29 01:16:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-07-29 01:16:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-29 01:16:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-07-29 01:16:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-07-29 01:16:20,475 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-07-29 01:16:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-07-29 01:16:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-07-29 01:16:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-07-29 01:16:20,476 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-07-29 01:16:20,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-29 01:16:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-29 01:16:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-29 01:16:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-29 01:16:20,477 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPnp [2020-07-29 01:16:20,479 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2020-07-29 01:16:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfStartDevice [2020-07-29 01:16:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRemoveDevice [2020-07-29 01:16:20,480 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2020-07-29 01:16:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPower [2020-07-29 01:16:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2020-07-29 01:16:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfCreate [2020-07-29 01:16:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2020-07-29 01:16:20,481 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDeviceControl [2020-07-29 01:16:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfShutdownFlush [2020-07-29 01:16:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRegisterDevice [2020-07-29 01:16:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-07-29 01:16:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-07-29 01:16:20,482 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-07-29 01:16:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-07-29 01:16:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-07-29 01:16:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-07-29 01:16:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-07-29 01:16:20,483 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-07-29 01:16:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSyncFilterWithTarget [2020-07-29 01:16:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfUnload [2020-07-29 01:16:20,484 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-07-29 01:16:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-29 01:16:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-07-29 01:16:20,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-29 01:16:20,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:16:20,935 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:21,282 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-07-29 01:16:21,282 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-07-29 01:16:21,299 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:21,385 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2020-07-29 01:16:21,385 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2020-07-29 01:16:21,427 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:21,464 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-07-29 01:16:21,464 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-07-29 01:16:21,475 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:21,496 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-29 01:16:21,497 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-29 01:16:21,935 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:22,004 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2020-07-29 01:16:22,004 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2020-07-29 01:16:22,087 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:22,118 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2020-07-29 01:16:22,119 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2020-07-29 01:16:22,278 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:16:22,279 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-29 01:16:22,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:16:22 BoogieIcfgContainer [2020-07-29 01:16:22,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:16:22,288 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:16:22,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:16:22,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:16:22,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:16:19" (1/3) ... [2020-07-29 01:16:22,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e323490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:16:22, skipping insertion in model container [2020-07-29 01:16:22,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:20" (2/3) ... [2020-07-29 01:16:22,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e323490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:16:22, skipping insertion in model container [2020-07-29 01:16:22,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:16:22" (3/3) ... [2020-07-29 01:16:22,297 INFO L109 eAbstractionObserver]: Analyzing ICFG diskperf_simpl1.cil.c [2020-07-29 01:16:22,312 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:16:22,322 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-29 01:16:22,340 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-29 01:16:22,367 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:16:22,368 INFO L376 AbstractCegarLoop]: Hoare is false [2020-07-29 01:16:22,368 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:16:22,368 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:16:22,368 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:16:22,369 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:16:22,369 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:16:22,369 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:16:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states. [2020-07-29 01:16:22,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:16:22,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:16:22 BoogieIcfgContainer [2020-07-29 01:16:22,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:16:22,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:16:22,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:16:22,429 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:16:22,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:16:22" (3/4) ... [2020-07-29 01:16:22,434 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-29 01:16:22,442 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2020-07-29 01:16:22,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-07-29 01:16:22,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfSyncFilterWithTarget [2020-07-29 01:16:22,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2020-07-29 01:16:22,443 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PoCallDriver [2020-07-29 01:16:22,444 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfDispatchPower [2020-07-29 01:16:22,444 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2020-07-29 01:16:22,444 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2020-07-29 01:16:22,444 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2020-07-29 01:16:22,445 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2020-07-29 01:16:22,445 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2020-07-29 01:16:22,445 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfSendToNextDriver [2020-07-29 01:16:22,445 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfStartDevice [2020-07-29 01:16:22,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfForwardIrpSynchronous [2020-07-29 01:16:22,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfRegisterDevice [2020-07-29 01:16:22,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfDeviceControl [2020-07-29 01:16:22,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2020-07-29 01:16:22,446 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfRemoveDevice [2020-07-29 01:16:22,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfCreate [2020-07-29 01:16:22,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfUnload [2020-07-29 01:16:22,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfIrpCompletion [2020-07-29 01:16:22,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2020-07-29 01:16:22,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfIoCompletion [2020-07-29 01:16:22,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfDispatchPnp [2020-07-29 01:16:22,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-07-29 01:16:22,449 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfShutdownFlush [2020-07-29 01:16:22,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-07-29 01:16:22,471 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2020-07-29 01:16:22,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-07-29 01:16:22,475 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-29 01:16:22,655 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:16:22,655 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:16:22,659 INFO L168 Benchmark]: Toolchain (without parser) took 3097.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 961.6 MB in the beginning and 914.7 MB in the end (delta: 46.9 MB). Peak memory consumption was 200.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:16:22,659 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:16:22,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:16:22,660 INFO L168 Benchmark]: Boogie Preprocessor took 106.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:16:22,661 INFO L168 Benchmark]: RCFGBuilder took 1887.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.4 MB in the end (delta: 179.1 MB). Peak memory consumption was 179.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:16:22,661 INFO L168 Benchmark]: TraceAbstraction took 140.03 ms. Allocated memory is still 1.2 GB. Free memory was 947.8 MB in the beginning and 941.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:16:22,662 INFO L168 Benchmark]: Witness Printer took 227.20 ms. Allocated memory is still 1.2 GB. Free memory was 941.2 MB in the beginning and 914.7 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:16:22,663 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 728.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 106.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1887.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 954.4 MB in the end (delta: 179.1 MB). Peak memory consumption was 179.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 140.03 ms. Allocated memory is still 1.2 GB. Free memory was 947.8 MB in the beginning and 941.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 227.20 ms. Allocated memory is still 1.2 GB. Free memory was 941.2 MB in the beginning and 914.7 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 294 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=294occurred in iteration=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: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...