./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer --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 --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-19 22:23:13,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:23:13,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:23:13,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:23:13,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:23:13,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:23:13,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:23:13,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:23:13,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:23:13,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:23:13,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:23:13,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:23:13,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:23:13,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:23:13,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:23:13,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:23:13,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:23:13,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:23:13,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:23:13,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:23:13,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:23:13,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:23:13,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:23:13,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:23:13,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:23:13,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:23:13,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:23:13,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:23:13,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:23:13,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:23:13,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:23:13,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:23:13,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:23:13,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:23:13,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:23:13,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:23:13,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:23:13,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:23:13,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:23:13,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:23:13,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:23:13,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-19 22:23:13,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:23:13,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:23:13,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:23:13,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:23:13,122 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:23:13,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:23:13,122 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:23:13,123 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:23:13,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:23:13,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:23:13,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:23:13,124 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-19 22:23:13,124 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-19 22:23:13,124 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-19 22:23:13,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:23:13,125 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 22:23:13,125 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 22:23:13,125 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:23:13,126 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:23:13,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:23:13,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:23:13,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:23:13,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:23:13,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:23:13,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:23:13,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:23:13,128 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 22:23:13,128 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 22:23:13,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 22:23:13,129 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer 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 [2019-11-19 22:23:13,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:23:13,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:23:13,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:23:13,323 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:23:13,332 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:23:13,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2019-11-19 22:23:13,406 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/data/849f6885a/c07c3096cd1f4a87be06c1683dc18c6b/FLAGabeed7afb [2019-11-19 22:23:13,945 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:23:13,946 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/sv-benchmarks/c/ntdrivers-simplified/diskperf_simpl1.cil.c [2019-11-19 22:23:13,961 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/data/849f6885a/c07c3096cd1f4a87be06c1683dc18c6b/FLAGabeed7afb [2019-11-19 22:23:14,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/data/849f6885a/c07c3096cd1f4a87be06c1683dc18c6b [2019-11-19 22:23:14,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:23:14,237 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-19 22:23:14,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:23:14,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:23:14,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:23:14,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:23:14" (1/1) ... [2019-11-19 22:23:14,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b1d31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:14, skipping insertion in model container [2019-11-19 22:23:14,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:23:14" (1/1) ... [2019-11-19 22:23:14,254 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:23:14,303 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:23:14,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:23:14,703 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:23:14,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:23:14,870 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:23:14,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:14 WrapperNode [2019-11-19 22:23:14,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:23:14,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:23:14,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:23:14,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:23:14,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:14" (1/1) ... [2019-11-19 22:23:14,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:14" (1/1) ... [2019-11-19 22:23:14,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:14" (1/1) ... [2019-11-19 22:23:14,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:14" (1/1) ... [2019-11-19 22:23:14,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:14" (1/1) ... [2019-11-19 22:23:14,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:14" (1/1) ... [2019-11-19 22:23:14,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:14" (1/1) ... [2019-11-19 22:23:14,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:23:14,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:23:14,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:23:14,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:23:14,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/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 [2019-11-19 22:23:15,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-19 22:23:15,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:23:15,067 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-11-19 22:23:15,067 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-11-19 22:23:15,067 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSyncFilterWithTarget [2019-11-19 22:23:15,067 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPnp [2019-11-19 22:23:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIrpCompletion [2019-11-19 22:23:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfStartDevice [2019-11-19 22:23:15,068 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRemoveDevice [2019-11-19 22:23:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfSendToNextDriver [2019-11-19 22:23:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDispatchPower [2019-11-19 22:23:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfForwardIrpSynchronous [2019-11-19 22:23:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfCreate [2019-11-19 22:23:15,069 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfIoCompletion [2019-11-19 22:23:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfDeviceControl [2019-11-19 22:23:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfShutdownFlush [2019-11-19 22:23:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfUnload [2019-11-19 22:23:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure DiskPerfRegisterDevice [2019-11-19 22:23:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-11-19 22:23:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-19 22:23:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-11-19 22:23:15,071 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-11-19 22:23:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-11-19 22:23:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-11-19 22:23:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-11-19 22:23:15,072 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-11-19 22:23:15,073 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-11-19 22:23:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-19 22:23:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-19 22:23:15,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-19 22:23:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-19 22:23:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPnp [2019-11-19 22:23:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIrpCompletion [2019-11-19 22:23:15,074 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfStartDevice [2019-11-19 22:23:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRemoveDevice [2019-11-19 22:23:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSendToNextDriver [2019-11-19 22:23:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDispatchPower [2019-11-19 22:23:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfForwardIrpSynchronous [2019-11-19 22:23:15,075 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfCreate [2019-11-19 22:23:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfIoCompletion [2019-11-19 22:23:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfDeviceControl [2019-11-19 22:23:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfShutdownFlush [2019-11-19 22:23:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfRegisterDevice [2019-11-19 22:23:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-11-19 22:23:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-11-19 22:23:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-11-19 22:23:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-11-19 22:23:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-11-19 22:23:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-11-19 22:23:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-11-19 22:23:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-11-19 22:23:15,078 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfSyncFilterWithTarget [2019-11-19 22:23:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure DiskPerfUnload [2019-11-19 22:23:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-11-19 22:23:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-19 22:23:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-11-19 22:23:15,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-19 22:23:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:23:15,372 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:23:15,633 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-11-19 22:23:15,634 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-11-19 22:23:15,653 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:23:15,714 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2019-11-19 22:23:15,714 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2019-11-19 22:23:15,754 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:23:15,784 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-11-19 22:23:15,784 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-11-19 22:23:15,792 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:23:15,815 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-19 22:23:15,815 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-19 22:23:16,089 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:23:16,152 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2019-11-19 22:23:16,152 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2019-11-19 22:23:16,200 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:23:16,225 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2019-11-19 22:23:16,225 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2019-11-19 22:23:16,268 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:23:16,269 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-19 22:23:16,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:23:16 BoogieIcfgContainer [2019-11-19 22:23:16,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:23:16,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:23:16,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:23:16,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:23:16,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:23:14" (1/3) ... [2019-11-19 22:23:16,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4039c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:23:16, skipping insertion in model container [2019-11-19 22:23:16,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:23:14" (2/3) ... [2019-11-19 22:23:16,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4039c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:23:16, skipping insertion in model container [2019-11-19 22:23:16,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:23:16" (3/3) ... [2019-11-19 22:23:16,281 INFO L109 eAbstractionObserver]: Analyzing ICFG diskperf_simpl1.cil.c [2019-11-19 22:23:16,291 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:23:16,302 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-19 22:23:16,314 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-19 22:23:16,339 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:23:16,339 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-19 22:23:16,339 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:23:16,339 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:23:16,339 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:23:16,340 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:23:16,340 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:23:16,340 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:23:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states. [2019-11-19 22:23:16,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:23:16,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:23:16 BoogieIcfgContainer [2019-11-19 22:23:16,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:23:16,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:23:16,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:23:16,399 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:23:16,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:23:16" (3/4) ... [2019-11-19 22:23:16,404 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:23:16,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-11-19 22:23:16,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-19 22:23:16,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfSyncFilterWithTarget [2019-11-19 22:23:16,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-11-19 22:23:16,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PoCallDriver [2019-11-19 22:23:16,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfDispatchPower [2019-11-19 22:23:16,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-11-19 22:23:16,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-11-19 22:23:16,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2019-11-19 22:23:16,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-11-19 22:23:16,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-11-19 22:23:16,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfSendToNextDriver [2019-11-19 22:23:16,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfStartDevice [2019-11-19 22:23:16,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfForwardIrpSynchronous [2019-11-19 22:23:16,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfRegisterDevice [2019-11-19 22:23:16,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfDeviceControl [2019-11-19 22:23:16,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-11-19 22:23:16,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfRemoveDevice [2019-11-19 22:23:16,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfCreate [2019-11-19 22:23:16,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfUnload [2019-11-19 22:23:16,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfIrpCompletion [2019-11-19 22:23:16,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-11-19 22:23:16,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfIoCompletion [2019-11-19 22:23:16,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfDispatchPnp [2019-11-19 22:23:16,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-19 22:23:16,423 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure DiskPerfShutdownFlush [2019-11-19 22:23:16,443 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2019-11-19 22:23:16,445 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2019-11-19 22:23:16,447 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 22:23:16,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 22:23:16,690 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_583e724f-ca80-42f1-a6b8-56c1217ef171/bin/uautomizer/witness.graphml [2019-11-19 22:23:16,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:23:16,693 INFO L168 Benchmark]: Toolchain (without parser) took 2455.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -58.5 MB). Peak memory consumption was 90.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:23:16,694 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:23:16,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:23:16,701 INFO L168 Benchmark]: Boogie Preprocessor took 120.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:23:16,701 INFO L168 Benchmark]: RCFGBuilder took 1277.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:23:16,702 INFO L168 Benchmark]: TraceAbstraction took 126.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:23:16,702 INFO L168 Benchmark]: Witness Printer took 292.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:23:16,704 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 633.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -181.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1277.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.1 MB). Peak memory consumption was 89.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 126.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 292.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 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. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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...