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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:52:08,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:52:08,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:52:08,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:52:08,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:52:08,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:52:08,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:52:08,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:52:08,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:52:08,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:52:08,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:52:08,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:52:08,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:52:08,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:52:08,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:52:08,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:52:08,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:52:08,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:52:08,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:52:08,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:52:08,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:52:08,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:52:08,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:52:08,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:52:08,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:52:08,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:52:08,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:52:08,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:52:08,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:52:08,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:52:08,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:52:08,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:52:08,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:52:08,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:52:08,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:52:08,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:52:08,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:52:08,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:52:08,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:52:08,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:52:08,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:52:08,702 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 [2019-09-21 09:52:08,718 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:52:08,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:52:08,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:52:08,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:52:08,720 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:52:08,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:52:08,720 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:52:08,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:52:08,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:52:08,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:52:08,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:52:08,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:52:08,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:52:08,721 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:52:08,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:52:08,722 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:52:08,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:52:08,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:52:08,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:52:08,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:52:08,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:52:08,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:52:08,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:52:08,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:52:08,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:52:08,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:52:08,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:52:08,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:52:08,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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_QUICK [2019-09-21 09:52:08,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:52:08,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:52:08,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:52:08,777 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:52:08,777 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:52:08,777 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-21 09:52:08,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d859881d/bc8d3b5beccc4e309c0ba7fd067a1b36/FLAG59cc35049 [2019-09-21 09:52:09,400 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:52:09,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-21 09:52:09,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d859881d/bc8d3b5beccc4e309c0ba7fd067a1b36/FLAG59cc35049 [2019-09-21 09:52:09,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d859881d/bc8d3b5beccc4e309c0ba7fd067a1b36 [2019-09-21 09:52:09,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:52:09,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:52:09,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:52:09,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:52:09,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:52:09,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:52:09" (1/1) ... [2019-09-21 09:52:09,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f81979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:52:09, skipping insertion in model container [2019-09-21 09:52:09,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:52:09" (1/1) ... [2019-09-21 09:52:09,742 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:52:09,795 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:52:10,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:52:10,222 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:52:10,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:52:10,375 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:52:10,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:52:10 WrapperNode [2019-09-21 09:52:10,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:52:10,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:52:10,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:52:10,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:52:10,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:52:10" (1/1) ... [2019-09-21 09:52:10,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:52:10" (1/1) ... [2019-09-21 09:52:10,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:52:10" (1/1) ... [2019-09-21 09:52:10,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:52:10" (1/1) ... [2019-09-21 09:52:10,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:52:10" (1/1) ... [2019-09-21 09:52:10,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:52:10" (1/1) ... [2019-09-21 09:52:10,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:52:10" (1/1) ... [2019-09-21 09:52:10,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:52:10,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:52:10,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:52:10,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:52:10,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:52:10" (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 [2019-09-21 09:52:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:52:10,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:52:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-21 09:52:10,553 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-21 09:52:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-21 09:52:10,554 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-21 09:52:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-21 09:52:10,555 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-21 09:52:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-21 09:52:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-21 09:52:10,556 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-21 09:52:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-21 09:52:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:52:10,557 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-21 09:52:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-21 09:52:10,558 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-21 09:52:10,560 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-21 09:52:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-21 09:52:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-21 09:52:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-21 09:52:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-21 09:52:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-21 09:52:10,561 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-21 09:52:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-21 09:52:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-21 09:52:10,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-21 09:52:10,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:52:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 09:52:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:52:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-21 09:52:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-21 09:52:10,563 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-21 09:52:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-21 09:52:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-21 09:52:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-21 09:52:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-21 09:52:10,564 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-21 09:52:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-21 09:52:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-21 09:52:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-21 09:52:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-21 09:52:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-21 09:52:10,565 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-21 09:52:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-21 09:52:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-21 09:52:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-21 09:52:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-21 09:52:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-21 09:52:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-21 09:52:10,566 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-21 09:52:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-21 09:52:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-21 09:52:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-21 09:52:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:52:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-21 09:52:10,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:52:10,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:52:10,899 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:10,960 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 09:52:10,960 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 09:52:10,978 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:11,010 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 09:52:11,010 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 09:52:11,025 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:11,268 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-21 09:52:11,268 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-21 09:52:11,273 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:11,464 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-21 09:52:11,464 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-21 09:52:11,475 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:11,504 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-21 09:52:11,504 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-21 09:52:11,590 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:11,600 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 09:52:11,601 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 09:52:11,601 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:11,612 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 09:52:11,612 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 09:52:11,613 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:11,631 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 09:52:11,632 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 09:52:11,681 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:11,717 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-21 09:52:11,717 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-21 09:52:11,749 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:11,757 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 09:52:11,757 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 09:52:11,758 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:11,773 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 09:52:11,773 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 09:52:11,773 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:52:11,783 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 09:52:11,783 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 09:52:12,147 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:52:12,148 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 09:52:12,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:52:12 BoogieIcfgContainer [2019-09-21 09:52:12,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:52:12,151 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:52:12,151 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:52:12,151 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:52:12,153 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:52:12" (1/1) ... [2019-09-21 09:52:12,154 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:52:12,183 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:52:12,183 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:52:12,197 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:52:12,208 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:52:12,211 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:52:12,573 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 134 for LOIs [2019-09-21 09:52:14,803 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 224 [2019-09-21 09:52:14,946 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 219 [2019-09-21 09:52:15,406 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2019-09-21 09:52:15,710 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2019-09-21 09:52:15,862 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2019-09-21 09:52:15,965 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2019-09-21 09:52:16,177 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 266 [2019-09-21 09:52:18,324 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-09-21 09:52:18,585 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-09-21 09:52:20,717 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-09-21 09:52:20,830 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-09-21 09:52:21,130 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-09-21 09:52:21,407 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-09-21 09:52:21,599 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 189 [2019-09-21 09:52:21,854 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-09-21 09:52:22,092 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-09-21 09:52:22,278 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 189 [2019-09-21 09:52:22,839 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 259 [2019-09-21 09:52:23,198 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 264 [2019-09-21 09:52:23,467 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 265 [2019-09-21 09:52:25,849 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 252 [2019-09-21 09:52:26,039 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2019-09-21 09:52:26,407 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 267 [2019-09-21 09:52:26,589 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2019-09-21 09:52:26,962 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 317 [2019-09-21 09:52:27,150 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 285 [2019-09-21 09:52:27,736 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2019-09-21 09:52:27,920 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2019-09-21 09:52:28,386 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 353 [2019-09-21 09:52:28,772 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 325 DAG size of output: 322 [2019-09-21 09:52:28,922 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 321 [2019-09-21 09:52:29,491 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 323 [2019-09-21 09:52:29,845 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2019-09-21 09:52:30,131 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 410 [2019-09-21 09:52:31,163 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 410 [2019-09-21 09:52:31,587 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 355 [2019-09-21 09:52:31,794 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 354 [2019-09-21 09:52:33,476 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 355 [2019-09-21 09:52:33,917 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 475 [2019-09-21 09:52:34,339 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 475 [2019-09-21 09:52:36,804 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 476 DAG size of output: 476 [2019-09-21 09:52:37,703 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 397 [2019-09-21 09:52:38,017 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 396 [2019-09-21 09:52:41,548 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 383 [2019-09-21 09:52:42,281 WARN L191 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-09-21 09:52:42,963 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 565