java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:17:57,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:17:57,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:17:57,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:17:57,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:17:57,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:17:57,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:17:57,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:17:57,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:17:57,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:17:57,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:17:57,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:17:57,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:17:57,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:17:57,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:17:57,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:17:57,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:17:57,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:17:57,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:17:57,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:17:57,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:17:57,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:17:57,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:17:57,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:17:57,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:17:57,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:17:57,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:17:57,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:17:57,187 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:17:57,188 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:17:57,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:17:57,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:17:57,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:17:57,191 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:17:57,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:17:57,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:17:57,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:17:57,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:17:57,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:17:57,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:17:57,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:17:57,195 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 23:17:57,222 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:17:57,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:17:57,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:17:57,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:17:57,224 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:17:57,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:17:57,225 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:17:57,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:17:57,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:17:57,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:17:57,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:17:57,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:17:57,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:17:57,226 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:17:57,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:17:57,227 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:17:57,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:17:57,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:17:57,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:17:57,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:17:57,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:17:57,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:17:57,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:17:57,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:17:57,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:17:57,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:17:57,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:17:57,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:17:57,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:17:57,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:17:57,308 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:17:57,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:17:57,313 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:17:57,313 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:17:57,314 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 23:17:57,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ecd1696/ec5530f2249e45a88bc0eaac7216c6bf/FLAG83eb8eaf5 [2019-09-20 23:17:57,896 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:17:57,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 23:17:57,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ecd1696/ec5530f2249e45a88bc0eaac7216c6bf/FLAG83eb8eaf5 [2019-09-20 23:17:58,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0ecd1696/ec5530f2249e45a88bc0eaac7216c6bf [2019-09-20 23:17:58,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:17:58,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:17:58,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:17:58,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:17:58,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:17:58,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:17:58" (1/1) ... [2019-09-20 23:17:58,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f458dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:58, skipping insertion in model container [2019-09-20 23:17:58,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:17:58" (1/1) ... [2019-09-20 23:17:58,228 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:17:58,290 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:17:58,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:17:58,922 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:17:59,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:17:59,071 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:17:59,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59 WrapperNode [2019-09-20 23:17:59,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:17:59,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:17:59,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:17:59,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:17:59,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:17:59,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:17:59,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:17:59,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:17:59,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (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 [2019-09-20 23:17:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:17:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:17:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 23:17:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 23:17:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-20 23:17:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-20 23:17:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-20 23:17:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-20 23:17:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-20 23:17:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-20 23:17:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-20 23:17:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 23:17:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:17:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-20 23:17:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-20 23:17:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-20 23:17:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-20 23:17:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-20 23:17:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 23:17:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 23:17:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 23:17:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 23:17:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 23:17:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-20 23:17:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-20 23:17:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-20 23:17:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:17:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 23:17:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:17:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 23:17:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 23:17:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-20 23:17:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-20 23:17:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-20 23:17:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-20 23:17:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-20 23:17:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-20 23:17:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-20 23:17:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-20 23:17:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-20 23:17:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-20 23:17:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-20 23:17:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 23:17:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 23:17:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 23:17:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-20 23:17:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-20 23:17:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-20 23:17:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 23:17:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 23:17:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 23:17:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-20 23:17:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 23:17:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:17:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 23:17:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:17:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:17:59,478 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:17:59,585 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 23:17:59,586 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 23:17:59,615 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:17:59,640 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 23:17:59,640 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 23:17:59,652 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:17:59,880 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-20 23:17:59,880 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-20 23:17:59,882 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:17:59,956 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-20 23:17:59,957 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-20 23:17:59,968 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:17:59,992 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 23:17:59,992 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 23:18:00,096 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:00,106 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 23:18:00,107 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 23:18:00,107 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:00,118 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 23:18:00,118 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 23:18:00,119 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:00,130 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 23:18:00,131 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 23:18:00,176 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:00,210 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 23:18:00,210 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 23:18:00,242 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:00,249 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 23:18:00,250 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 23:18:00,250 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:00,260 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 23:18:00,260 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 23:18:00,261 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:00,269 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 23:18:00,270 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 23:18:00,634 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:18:00,634 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 23:18:00,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:18:00 BoogieIcfgContainer [2019-09-20 23:18:00,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:18:00,637 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:18:00,637 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:18:00,638 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:18:00,639 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:18:00" (1/1) ... [2019-09-20 23:18:00,639 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:18:00,678 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:18:00,678 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:18:00,696 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:18:00,709 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:18:00,710 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:18:00,955 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 104 for LOIs [2019-09-20 23:18:01,734 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-20 23:18:01,852 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 23:18:02,047 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-20 23:18:02,260 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2019-09-20 23:18:02,487 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 23:18:02,627 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 23:18:02,845 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 23:18:03,418 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 23:18:03,733 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 23:18:03,845 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 23:18:04,144 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-20 23:18:04,282 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 23:18:04,432 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 23:18:04,565 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 23:18:05,358 WARN L191 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2019-09-20 23:18:05,585 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 23:18:06,343 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2019-09-20 23:18:06,549 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 23:18:07,880 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2019-09-20 23:18:08,507 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 23:18:09,481 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 150 [2019-09-20 23:18:09,779 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 23:18:10,607 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 150 [2019-09-20 23:18:10,873 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-20 23:18:12,270 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2019-09-20 23:18:12,510 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 23:18:13,841 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2019-09-20 23:18:14,093 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 23:18:15,345 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2019-09-20 23:18:15,987 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 23:18:17,371 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2019-09-20 23:18:17,615 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 23:18:18,946 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2019-09-20 23:18:19,168 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 23:18:20,447 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2019-09-20 23:18:21,066 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 23:18:22,058 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2019-09-20 23:18:22,525 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 23:18:24,380 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 143 DAG size of output: 135 [2019-09-20 23:18:24,596 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 23:18:25,480 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 136 [2019-09-20 23:18:25,707 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 23:18:26,606 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 136 [2019-09-20 23:18:26,829 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 23:18:28,101 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2019-09-20 23:18:28,712 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 23:18:30,004 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 154 DAG size of output: 147 [2019-09-20 23:18:30,597 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-20 23:18:31,697 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 161 [2019-09-20 23:18:32,797 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 161 [2019-09-20 23:18:35,023 WARN L191 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 162 DAG size of output: 153 [2019-09-20 23:18:36,085 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 23:18:39,162 WARN L191 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2019-09-20 23:18:40,722 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 167