java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:39:49,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:39:49,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:39:49,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:39:49,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:39:49,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:39:49,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:39:49,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:39:49,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:39:49,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:39:49,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:39:49,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:39:49,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:39:49,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:39:49,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:39:49,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:39:49,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:39:49,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:39:49,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:39:49,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:39:49,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:39:49,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:39:49,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:39:49,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:39:49,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 12:39:49,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 12:39:49,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 12:39:49,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 12:39:49,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 12:39:49,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 12:39:49,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:39:49,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:39:49,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:39:49,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:39:49,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:39:49,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:39:49,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:39:49,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:39:49,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:39:49,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:39:49,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:39:49,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 12:39:49,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:39:49,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:39:49,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:39:49,271 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:39:49,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:39:49,272 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:39:49,272 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:39:49,272 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:39:49,272 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:39:49,272 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:39:49,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:39:49,273 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:39:49,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:39:49,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:39:49,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:39:49,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:39:49,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:39:49,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:39:49,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:39:49,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:39:49,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:39:49,275 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:39:49,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:39:49,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:39:49,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:39:49,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:39:49,276 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:39:49,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:39:49,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:39:49,277 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:39:49,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:39:49,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:39:49,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:39:49,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:39:49,323 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:39:49,324 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-10-03 12:39:49,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54be17d03/702ba19d008845e9ac28e45ca7e39db1/FLAG17937ce3f [2019-10-03 12:39:49,911 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:39:49,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-10-03 12:39:49,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54be17d03/702ba19d008845e9ac28e45ca7e39db1/FLAG17937ce3f [2019-10-03 12:39:50,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54be17d03/702ba19d008845e9ac28e45ca7e39db1 [2019-10-03 12:39:50,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:39:50,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:39:50,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:50,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:39:50,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:39:50,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:50" (1/1) ... [2019-10-03 12:39:50,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66746e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:50, skipping insertion in model container [2019-10-03 12:39:50,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:50" (1/1) ... [2019-10-03 12:39:50,274 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:39:50,339 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:39:50,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:50,800 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:39:50,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:50,943 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:39:50,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:50 WrapperNode [2019-10-03 12:39:50,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:50,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:39:50,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:39:50,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:39:50,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:50" (1/1) ... [2019-10-03 12:39:50,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:50" (1/1) ... [2019-10-03 12:39:50,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:50" (1/1) ... [2019-10-03 12:39:50,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:50" (1/1) ... [2019-10-03 12:39:51,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:50" (1/1) ... [2019-10-03 12:39:51,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:50" (1/1) ... [2019-10-03 12:39:51,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:50" (1/1) ... [2019-10-03 12:39:51,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:39:51,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:39:51,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:39:51,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:39:51,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:50" (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 [2019-10-03 12:39:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:39:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:39:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-03 12:39:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-03 12:39:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-10-03 12:39:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-10-03 12:39:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-10-03 12:39:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-10-03 12:39:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-10-03 12:39:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-10-03 12:39:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-10-03 12:39:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-03 12:39:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:39:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-10-03 12:39:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-10-03 12:39:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-10-03 12:39:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-10-03 12:39:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-10-03 12:39:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-03 12:39:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-03 12:39:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-03 12:39:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-03 12:39:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-03 12:39:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-10-03 12:39:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-10-03 12:39:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-10-03 12:39:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:39:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-03 12:39:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:39:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-03 12:39:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 12:39:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-10-03 12:39:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-10-03 12:39:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-10-03 12:39:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-10-03 12:39:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-10-03 12:39:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-10-03 12:39:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-10-03 12:39:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-10-03 12:39:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-10-03 12:39:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-10-03 12:39:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-10-03 12:39:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-03 12:39:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-03 12:39:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-03 12:39:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-10-03 12:39:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-10-03 12:39:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-10-03 12:39:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-03 12:39:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-03 12:39:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-03 12:39:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-10-03 12:39:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-03 12:39:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:39:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-03 12:39:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:39:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:39:51,486 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:51,562 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 12:39:51,562 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 12:39:51,585 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:51,596 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 12:39:51,597 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 12:39:51,604 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:51,824 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-10-03 12:39:51,825 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-10-03 12:39:51,827 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:52,054 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-10-03 12:39:52,055 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-10-03 12:39:52,087 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:52,113 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-03 12:39:52,114 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-03 12:39:52,237 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:52,248 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 12:39:52,249 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 12:39:52,249 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:52,258 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 12:39:52,259 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 12:39:52,259 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:52,271 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 12:39:52,271 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 12:39:52,317 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:52,348 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-03 12:39:52,349 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-03 12:39:52,374 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:52,381 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 12:39:52,381 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 12:39:52,382 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:52,393 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 12:39:52,394 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 12:39:52,394 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-03 12:39:52,402 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-03 12:39:52,402 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-03 12:39:52,412 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:39:52,413 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:39:52,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:52 BoogieIcfgContainer [2019-10-03 12:39:52,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:39:52,416 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:39:52,416 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:39:52,416 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:39:52,417 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:52" (1/1) ... [2019-10-03 12:39:52,471 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:39:53,772 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-03 12:39:59,935 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:39:59,986 INFO L272 AbstractInterpreter]: Visited 383 different actions 9531 times. Merged at 202 different actions 3535 times. Widened at 17 different actions 73 times. Performed 63351 root evaluator evaluations with a maximum evaluation depth of 9. Performed 63351 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 796 fixpoints after 89 different actions. Largest state had 128 variables. [2019-10-03 12:39:59,986 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:39:59,990 INFO L168 Benchmark]: Toolchain (without parser) took 9737.33 ms. Allocated memory was 132.1 MB in the beginning and 630.2 MB in the end (delta: 498.1 MB). Free memory was 87.2 MB in the beginning and 375.8 MB in the end (delta: -288.6 MB). Peak memory consumption was 209.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:59,992 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:39:59,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.63 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 87.0 MB in the beginning and 167.7 MB in the end (delta: -80.8 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:59,995 INFO L168 Benchmark]: Boogie Preprocessor took 123.07 ms. Allocated memory is still 200.3 MB. Free memory was 167.7 MB in the beginning and 163.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:59,998 INFO L168 Benchmark]: RCFGBuilder took 1347.42 ms. Allocated memory is still 200.3 MB. Free memory was 163.8 MB in the beginning and 77.2 MB in the end (delta: 86.5 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:59,999 INFO L168 Benchmark]: Abstract Interpretation took 7570.81 ms. Allocated memory was 200.3 MB in the beginning and 630.2 MB in the end (delta: 429.9 MB). Free memory was 77.2 MB in the beginning and 375.8 MB in the end (delta: -298.5 MB). Peak memory consumption was 131.4 MB. Max. memory is 7.1 GB. [2019-10-03 12:40:00,012 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.63 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 87.0 MB in the beginning and 167.7 MB in the end (delta: -80.8 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.07 ms. Allocated memory is still 200.3 MB. Free memory was 167.7 MB in the beginning and 163.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1347.42 ms. Allocated memory is still 200.3 MB. Free memory was 163.8 MB in the beginning and 77.2 MB in the end (delta: 86.5 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 7570.81 ms. Allocated memory was 200.3 MB in the beginning and 630.2 MB in the end (delta: 429.9 MB). Free memory was 77.2 MB in the beginning and 375.8 MB in the end (delta: -298.5 MB). Peak memory consumption was 131.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 64]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L35] int FloppyThread ; [L36] int KernelMode ; [L37] int Suspended ; [L38] int Executive ; [L39] int DiskController ; [L40] int FloppyDiskPeripheral ; [L41] int FlConfigCallBack ; [L42] int MaximumInterfaceType ; [L43] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L44] int myStatus ; [L45] int s ; [L46] int UNLOADED ; [L47] int NP ; [L48] int DC ; [L49] int SKIP1 ; [L50] int SKIP2 ; [L51] int MPR1 ; [L52] int MPR3 ; [L53] int IPC ; [L54] int pended ; [L55] int compRegistered ; [L56] int lowerDriverReturn ; [L57] int setEventCalled ; [L58] int customIrp ; [L90] int PagingReferenceCount = 0; [L91] int PagingMutex = 0; [L670] int status ; [L671] int irp = __VERIFIER_nondet_int() ; [L672] int pirp ; [L673] int pirp__IoStatus__Status ; [L674] int irp_choice = __VERIFIER_nondet_int() ; [L675] int devobj = __VERIFIER_nondet_int() ; [L676] int __cil_tmp8 ; [L678] FloppyThread = 0 [L679] KernelMode = 0 [L680] Suspended = 0 [L681] Executive = 0 [L682] DiskController = 0 [L683] FloppyDiskPeripheral = 0 [L684] FlConfigCallBack = 0 [L685] MaximumInterfaceType = 0 [L686] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L687] myStatus = 0 [L688] s = 0 [L689] UNLOADED = 0 [L690] NP = 0 [L691] DC = 0 [L692] SKIP1 = 0 [L693] SKIP2 = 0 [L694] MPR1 = 0 [L695] MPR3 = 0 [L696] IPC = 0 [L697] pended = 0 [L698] compRegistered = 0 [L699] lowerDriverReturn = 0 [L700] setEventCalled = 0 [L701] customIrp = 0 [L705] status = 0 [L706] pirp = irp [L707] CALL _BLAST_init() [L73] UNLOADED = 0 [L74] NP = 1 [L75] DC = 2 [L76] SKIP1 = 3 [L77] SKIP2 = 4 [L78] MPR1 = 5 [L79] MPR3 = 6 [L80] IPC = 7 [L81] s = UNLOADED [L82] pended = 0 [L83] compRegistered = 0 [L84] lowerDriverReturn = 0 [L85] setEventCalled = 0 [L86] customIrp = 0 [L707] RET _BLAST_init() [L709] COND TRUE status >= 0 [L710] s = NP [L711] customIrp = 0 [L712] setEventCalled = customIrp [L713] lowerDriverReturn = setEventCalled [L714] compRegistered = lowerDriverReturn [L715] pended = compRegistered [L716] pirp__IoStatus__Status = 0 [L717] myStatus = 0 [L718] COND TRUE irp_choice == 0 [L719] pirp__IoStatus__Status = -1073741637 [L720] myStatus = -1073741637 [L723] CALL stub_driver_init() [L660] s = NP [L661] pended = 0 [L662] compRegistered = 0 [L663] lowerDriverReturn = 0 [L664] setEventCalled = 0 [L665] customIrp = 0 [L723] RET stub_driver_init() [L726] COND FALSE !(status < 0) [L730] int tmp_ndt_1; [L731] tmp_ndt_1 = __VERIFIER_nondet_int() [L732] COND TRUE tmp_ndt_1 == 3 [L739] CALL, EXPR FloppyPnp(devobj, pirp) [L163] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L164] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L165] int Irp__IoStatus__Information ; [L166] int Irp__IoStatus__Status ; [L167] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L168] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L169] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L170] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L171] int disketteExtension__HoldNewRequests ; [L172] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L173] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L174] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L175] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L176] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L177] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L178] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L179] int irpSp ; [L180] int disketteExtension ; [L181] int ntStatus ; [L182] int doneEvent = __VERIFIER_nondet_int() ; [L183] int irpSp___0 ; [L184] int nextIrpSp ; [L185] int nextIrpSp__Control ; [L186] int irpSp___1 ; [L187] int irpSp__Context ; [L188] int irpSp__Control ; [L189] long __cil_tmp29 ; [L190] long __cil_tmp30 ; [L193] ntStatus = 0 [L194] PagingReferenceCount ++ [L195] COND TRUE PagingReferenceCount == 1 [L198] disketteExtension = DeviceObject__DeviceExtension [L199] irpSp = Irp__Tail__Overlay__CurrentStackLocation [L200] COND FALSE !(\read(disketteExtension__IsRemoved)) [L209] COND FALSE !(irpSp__MinorFunction == 0) [L212] COND TRUE irpSp__MinorFunction == 5 [L238] COND TRUE irpSp__MinorFunction == 5 [L241] COND TRUE ! disketteExtension__IsStarted [L242] COND TRUE s == NP [L243] s = SKIP1 [L250] Irp__CurrentLocation ++ [L251] Irp__Tail__Overlay__CurrentStackLocation ++ [L252] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) [L937] int returnVal2 ; [L938] int compRetStatus1 ; [L939] int lcontext = __VERIFIER_nondet_int() ; [L940] unsigned long __cil_tmp7 ; [L943] COND FALSE !(\read(compRegistered)) [L956] int tmp_ndt_12; [L957] tmp_ndt_12 = __VERIFIER_nondet_int() [L958] COND TRUE tmp_ndt_12 == 0 [L969] returnVal2 = 0 [L982] COND FALSE !(s == NP) [L986] COND FALSE !(s == MPR1) [L995] COND TRUE s == SKIP1 [L996] s = SKIP2 [L997] lowerDriverReturn = returnVal2 [L1005] return (returnVal2); [L252] RET, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) [L252] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L254] return (ntStatus); [L739] RET, EXPR FloppyPnp(devobj, pirp) [L739] status = FloppyPnp(devobj, pirp) [L749] COND FALSE !(pended == 1) [L757] COND FALSE !(pended == 1) [L765] COND TRUE s != UNLOADED [L766] COND TRUE status != -1 [L767] COND FALSE !(s != SKIP2) [L781] COND FALSE !(pended == 1) [L786] COND FALSE !(s == DC) [L793] COND TRUE status != lowerDriverReturn [L795] CALL errorFn() [L64] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...