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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --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 16:27:36,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:27:36,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:27:36,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:27:36,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:27:36,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:27:36,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:27:36,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:27:36,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:27:36,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:27:36,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:27:36,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:27:36,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:27:36,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:27:36,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:27:36,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:27:36,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:27:36,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:27:36,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:27:36,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:27:36,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:27:36,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:27:36,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:27:36,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:27:36,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:27:36,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:27:36,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:27:36,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:27:36,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:27:36,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:27:36,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:27:36,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:27:36,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:27:36,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:27:36,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:27:36,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:27:36,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:27:36,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:27:36,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:27:36,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:27:36,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:27:36,958 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 16:27:36,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:27:36,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:27:36,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:27:36,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:27:36,974 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:27:36,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:27:36,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:27:36,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:27:36,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:27:36,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:27:36,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:27:36,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:27:36,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:27:36,975 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:27:36,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:27:36,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:27:36,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:27:36,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:27:36,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:27:36,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:27:36,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:27:36,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:27:36,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:27:36,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:27:36,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:27:36,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:27:36,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:27:36,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:27:36,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 -> 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 16:27:37,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:27:37,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:27:37,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:27:37,028 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:27:37,028 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:27:37,029 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 16:27:37,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36334e56e/35270b017e974f93a9e754be7afe6091/FLAG66d6f5221 [2019-09-20 16:27:37,641 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:27:37,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 16:27:37,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36334e56e/35270b017e974f93a9e754be7afe6091/FLAG66d6f5221 [2019-09-20 16:27:37,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36334e56e/35270b017e974f93a9e754be7afe6091 [2019-09-20 16:27:37,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:27:37,997 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:27:37,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:37,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:27:38,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:27:38,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:37" (1/1) ... [2019-09-20 16:27:38,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d73de56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38, skipping insertion in model container [2019-09-20 16:27:38,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:37" (1/1) ... [2019-09-20 16:27:38,015 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:27:38,081 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:27:38,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:38,537 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:27:38,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:38,691 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:27:38,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38 WrapperNode [2019-09-20 16:27:38,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:38,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:27:38,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:27:38,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:27:38,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:27:38,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:27:38,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:27:38,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:27:38,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (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 16:27:38,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:27:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:27:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 16:27:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 16:27:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-20 16:27:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-20 16:27:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-20 16:27:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-20 16:27:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-20 16:27:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-20 16:27:38,854 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-20 16:27:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 16:27:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:27:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-20 16:27:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-20 16:27:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-20 16:27:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-20 16:27:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-20 16:27:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 16:27:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 16:27:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 16:27:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 16:27:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 16:27:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-20 16:27:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-20 16:27:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-20 16:27:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:27:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 16:27:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:27:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 16:27:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 16:27:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-20 16:27:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-20 16:27:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-20 16:27:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-20 16:27:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-20 16:27:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-20 16:27:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-20 16:27:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-20 16:27:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-20 16:27:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-20 16:27:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-20 16:27:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 16:27:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 16:27:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 16:27:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-20 16:27:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-20 16:27:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-20 16:27:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 16:27:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 16:27:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 16:27:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-20 16:27:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 16:27:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:27:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 16:27:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:27:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:27:39,166 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,235 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 16:27:39,236 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 16:27:39,245 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,257 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 16:27:39,257 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 16:27:39,267 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,517 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-20 16:27:39,517 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-20 16:27:39,519 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,619 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-20 16:27:39,620 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-20 16:27:39,631 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,666 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 16:27:39,666 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 16:27:39,781 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,791 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 16:27:39,792 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 16:27:39,792 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,803 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 16:27:39,803 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 16:27:39,804 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,817 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 16:27:39,817 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 16:27:39,863 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,902 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 16:27:39,903 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 16:27:39,933 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,945 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 16:27:39,945 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 16:27:39,946 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,978 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 16:27:39,979 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 16:27:39,979 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,985 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 16:27:39,986 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 16:27:40,329 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:27:40,329 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 16:27:40,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:40 BoogieIcfgContainer [2019-09-20 16:27:40,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:27:40,332 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:27:40,332 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:27:40,332 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:27:40,334 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:40" (1/1) ... [2019-09-20 16:27:40,334 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 16:27:40,374 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:27:40,374 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:27:40,393 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:27:40,404 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:27:40,406 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:27:40,728 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 16:27:40,751 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 130 for LOIs [2019-09-20 16:27:42,621 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2019-09-20 16:27:43,481 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2019-09-20 16:27:44,323 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 16:27:44,765 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 16:27:45,080 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 16:27:45,991 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2019-09-20 16:27:46,828 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2019-09-20 16:27:47,677 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 16:27:48,582 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2019-09-20 16:27:49,431 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2019-09-20 16:27:50,249 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 16:27:50,893 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 16:27:51,753 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2019-09-20 16:27:52,609 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2019-09-20 16:27:53,422 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2019-09-20 16:27:54,295 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 16:27:55,236 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-09-20 16:27:55,574 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-20 16:27:55,902 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 16:27:56,204 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 16:27:56,547 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 16:27:56,870 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 16:27:57,847 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-09-20 16:27:58,157 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-20 16:27:58,467 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-20 16:27:59,296 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 140 [2019-09-20 16:28:00,174 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2019-09-20 16:28:01,083 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-09-20 16:28:01,442 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-09-20 16:28:02,251 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 16:28:03,098 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 16:28:03,448 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-20 16:28:03,732 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-20 16:28:04,027 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 16:28:04,343 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 16:28:04,607 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 16:28:05,432 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 16:28:05,550 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 16:28:05,663 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 16:28:05,961 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 16:28:06,096 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 16:28:06,380 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 16:28:06,745 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 16:28:07,306 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-20 16:28:07,829 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-20 16:28:08,185 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-20 16:28:08,297 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 16:28:08,417 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 16:28:08,668 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2019-09-20 16:28:08,972 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 16:28:09,235 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 16:28:09,506 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 16:28:09,787 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 16:28:10,238 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 16:28:10,688 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 16:28:11,136 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 16:28:11,603 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 16:28:11,837 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 16:28:12,120 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 73 [2019-09-20 16:28:12,442 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 16:28:12,576 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 16:28:12,859 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 16:28:13,139 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 16:28:13,661 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 16:28:14,124 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 16:28:14,585 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 16:28:15,055 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 16:28:15,532 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 16:28:16,021 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 16:28:17,435 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 16:28:17,945 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 16:28:18,051 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 16:28:18,547 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 16:28:19,031 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 168