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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --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 18:26:09,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:26:09,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:26:09,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:26:09,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:26:09,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:26:09,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:26:09,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:26:09,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:26:09,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:26:09,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:26:09,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:26:09,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:26:09,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:26:09,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:26:09,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:26:09,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:26:09,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:26:09,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:26:09,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:26:09,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:26:09,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:26:09,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:26:09,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:26:09,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:26:09,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:26:09,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:26:09,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:26:09,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:26:09,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:26:09,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:26:09,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:26:09,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:26:09,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:26:09,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:26:09,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:26:09,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:26:09,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:26:09,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:26:09,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:26:09,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:26:09,213 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 18:26:09,234 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:26:09,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:26:09,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:26:09,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:26:09,237 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:26:09,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:26:09,238 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:26:09,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:26:09,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:26:09,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:26:09,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:26:09,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:26:09,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:26:09,240 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:26:09,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:26:09,241 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:26:09,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:26:09,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:26:09,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:26:09,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:26:09,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:26:09,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:26:09,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:26:09,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:26:09,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:26:09,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:26:09,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:26:09,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:26:09,244 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 -> SequenceOfStatements 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:26:09,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:26:09,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:26:09,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:26:09,307 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:26:09,307 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:26:09,308 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 18:26:09,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08d0a810/d8259fd2516c4dcb85df7614ac031e39/FLAG037032bc8 [2019-09-20 18:26:10,003 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:26:10,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 18:26:10,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08d0a810/d8259fd2516c4dcb85df7614ac031e39/FLAG037032bc8 [2019-09-20 18:26:10,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c08d0a810/d8259fd2516c4dcb85df7614ac031e39 [2019-09-20 18:26:10,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:26:10,329 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:26:10,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:26:10,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:26:10,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:26:10,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:26:10" (1/1) ... [2019-09-20 18:26:10,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55368763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:10, skipping insertion in model container [2019-09-20 18:26:10,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:26:10" (1/1) ... [2019-09-20 18:26:10,346 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:26:10,412 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:26:10,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:26:10,845 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:26:10,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:26:10,977 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:26:10,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:10 WrapperNode [2019-09-20 18:26:10,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:26:10,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:26:10,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:26:10,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:26:10,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:10" (1/1) ... [2019-09-20 18:26:10,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:10" (1/1) ... [2019-09-20 18:26:11,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:10" (1/1) ... [2019-09-20 18:26:11,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:10" (1/1) ... [2019-09-20 18:26:11,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:10" (1/1) ... [2019-09-20 18:26:11,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:10" (1/1) ... [2019-09-20 18:26:11,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:10" (1/1) ... [2019-09-20 18:26:11,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:26:11,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:26:11,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:26:11,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:26:11,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:10" (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 18:26:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:26:11,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:26:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 18:26:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 18:26:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-20 18:26:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-20 18:26:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-20 18:26:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-20 18:26:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-20 18:26:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-20 18:26:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-20 18:26:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 18:26:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:26:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-20 18:26:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-20 18:26:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-20 18:26:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-20 18:26:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-20 18:26:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 18:26:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 18:26:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 18:26:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 18:26:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 18:26:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-20 18:26:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-20 18:26:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-20 18:26:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:26:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 18:26:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:26:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 18:26:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 18:26:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-20 18:26:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-20 18:26:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-20 18:26:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-20 18:26:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-20 18:26:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-20 18:26:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-20 18:26:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-20 18:26:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-20 18:26:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-20 18:26:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-20 18:26:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 18:26:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 18:26:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 18:26:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-20 18:26:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-20 18:26:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-20 18:26:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 18:26:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 18:26:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 18:26:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-20 18:26:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 18:26:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:26:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 18:26:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:26:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:26:11,460 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:11,538 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 18:26:11,538 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 18:26:11,549 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:11,561 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 18:26:11,562 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 18:26:11,568 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:11,820 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-20 18:26:11,820 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-20 18:26:11,825 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:11,902 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-20 18:26:11,903 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-20 18:26:11,913 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:11,941 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 18:26:11,941 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 18:26:12,052 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:12,061 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 18:26:12,061 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 18:26:12,061 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:12,070 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 18:26:12,071 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 18:26:12,071 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:12,082 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 18:26:12,082 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 18:26:12,124 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:12,160 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 18:26:12,160 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 18:26:12,186 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:12,197 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 18:26:12,198 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 18:26:12,198 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:12,211 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 18:26:12,211 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 18:26:12,212 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:12,221 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 18:26:12,222 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 18:26:12,252 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:26:12,253 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 18:26:12,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:12 BoogieIcfgContainer [2019-09-20 18:26:12,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:26:12,255 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:26:12,255 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:26:12,255 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:26:12,257 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:12" (1/1) ... [2019-09-20 18:26:12,257 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ 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=SizeLimitFluid [2019-09-20 18:26:12,281 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:26:12,282 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:26:12,294 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:26:12,308 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:26:12,309 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:26:12,586 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 104 for LOIs [2019-09-20 18:26:14,223 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:14,848 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:16,158 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:16,767 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:18,030 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:18,625 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:19,888 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:20,505 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:21,770 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:22,388 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:23,634 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:24,277 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:25,509 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:26,110 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:27,372 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:27,973 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:29,198 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:29,808 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:31,023 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:31,657 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:32,866 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:33,476 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:34,696 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:35,288 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:36,513 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:37,106 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:38,308 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:38,896 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:40,126 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2019-09-20 18:26:40,717 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 18:26:41,091 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:41,432 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:41,766 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:42,100 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:42,431 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:42,775 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:43,117 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:43,446 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:43,776 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:44,106 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:44,437 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:44,770 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:45,126 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 18:26:45,755 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-20 18:26:45,989 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 18:26:46,506 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-20 18:26:46,740 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 18:26:48,369 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-09-20 18:26:48,610 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 35 [2019-09-20 18:26:48,745 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 18:26:50,446 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-20 18:26:50,704 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 18:26:50,965 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-20 18:26:51,251 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 18:26:51,458 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-20 18:26:51,746 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-20 18:26:52,741 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2019-09-20 18:26:52,995 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 18:26:53,521 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-20 18:26:53,772 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 18:26:54,069 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 94