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 SingleStatement --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 19:25:25,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:25:25,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:25:25,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:25:25,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:25:25,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:25:25,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:25:25,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:25:25,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:25:25,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:25:25,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:25:25,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:25:25,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:25:25,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:25:25,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:25:25,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:25:25,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:25:25,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:25:25,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:25:25,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:25:25,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:25:25,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:25:25,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:25:25,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:25:25,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:25:25,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:25:25,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:25:25,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:25:25,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:25:25,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:25:25,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:25:25,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:25:25,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:25:25,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:25:25,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:25:25,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:25:25,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:25:25,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:25:25,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:25:25,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:25:25,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:25:25,438 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 19:25:25,464 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:25:25,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:25:25,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:25:25,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:25:25,467 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:25:25,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:25:25,468 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:25:25,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:25:25,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:25:25,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:25:25,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:25:25,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:25:25,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:25:25,470 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:25:25,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:25:25,471 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:25:25,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:25:25,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:25:25,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:25:25,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:25:25,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:25:25,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:25:25,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:25:25,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:25:25,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:25:25,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:25:25,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:25:25,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:25:25,474 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 -> SingleStatement 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 19:25:25,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:25:25,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:25:25,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:25:25,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:25:25,572 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:25:25,573 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 19:25:25,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb6934f11/6ce6573e98e34b07976b87368136aafb/FLAG8fcddebc1 [2019-09-20 19:25:26,224 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:25:26,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 19:25:26,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb6934f11/6ce6573e98e34b07976b87368136aafb/FLAG8fcddebc1 [2019-09-20 19:25:26,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb6934f11/6ce6573e98e34b07976b87368136aafb [2019-09-20 19:25:26,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:25:26,560 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:25:26,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:25:26,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:25:26,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:25:26,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:25:26" (1/1) ... [2019-09-20 19:25:26,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5297a271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:26, skipping insertion in model container [2019-09-20 19:25:26,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:25:26" (1/1) ... [2019-09-20 19:25:26,580 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:25:26,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:25:27,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:25:27,154 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:25:27,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:25:27,287 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:25:27,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27 WrapperNode [2019-09-20 19:25:27,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:25:27,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:25:27,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:25:27,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:25:27,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:25:27,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:25:27,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:25:27,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:25:27,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (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 19:25:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:25:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:25:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 19:25:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 19:25:27,437 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-20 19:25:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-20 19:25:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-20 19:25:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-20 19:25:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-20 19:25:27,438 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-20 19:25:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-20 19:25:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 19:25:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:25:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-20 19:25:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-20 19:25:27,439 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-20 19:25:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-20 19:25:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-20 19:25:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 19:25:27,440 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 19:25:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 19:25:27,443 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 19:25:27,444 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 19:25:27,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-20 19:25:27,445 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-20 19:25:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-20 19:25:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:25:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 19:25:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:25:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 19:25:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 19:25:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-20 19:25:27,448 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-20 19:25:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-20 19:25:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-20 19:25:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-20 19:25:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-20 19:25:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-20 19:25:27,449 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-20 19:25:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-20 19:25:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-20 19:25:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-20 19:25:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 19:25:27,450 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 19:25:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 19:25:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-20 19:25:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-20 19:25:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-20 19:25:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 19:25:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 19:25:27,451 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 19:25:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-20 19:25:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 19:25:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:25:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 19:25:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:25:27,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:25:27,732 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:27,805 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 19:25:27,806 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 19:25:27,824 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:27,853 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 19:25:27,854 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 19:25:27,863 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,233 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-20 19:25:28,234 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-20 19:25:28,236 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,383 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-20 19:25:28,384 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-20 19:25:28,402 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,435 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 19:25:28,435 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 19:25:28,619 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,638 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 19:25:28,638 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 19:25:28,638 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,651 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 19:25:28,651 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 19:25:28,652 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,674 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 19:25:28,674 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 19:25:28,740 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,778 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 19:25:28,779 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 19:25:28,827 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,835 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 19:25:28,835 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 19:25:28,836 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,848 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 19:25:28,848 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 19:25:28,849 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,859 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 19:25:28,860 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 19:25:28,877 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:25:28,877 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 19:25:28,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:25:28 BoogieIcfgContainer [2019-09-20 19:25:28,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:25:28,880 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:25:28,881 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:25:28,881 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:25:28,882 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:25:28" (1/1) ... [2019-09-20 19:25:28,883 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 19:25:28,911 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:25:28,911 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:25:28,928 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:25:28,938 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:25:28,939 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:25:29,183 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 104 for LOIs [2019-09-20 19:25:30,958 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2019-09-20 19:25:31,613 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 19:25:32,956 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2019-09-20 19:25:33,639 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 19:25:34,951 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2019-09-20 19:25:35,591 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 19:25:36,940 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2019-09-20 19:25:37,595 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 19:25:38,919 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2019-09-20 19:25:39,539 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 19:25:39,932 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:40,231 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:40,589 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:40,918 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:41,244 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:41,584 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:41,926 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:42,260 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:42,628 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:42,978 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:43,313 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:43,644 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:43,980 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-20 19:25:44,630 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2019-09-20 19:25:44,864 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:25:45,399 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2019-09-20 19:25:45,632 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:25:46,134 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-20 19:25:46,370 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:25:46,919 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-20 19:25:47,185 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:25:47,490 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 19:25:47,776 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 19:25:48,069 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 19:25:48,341 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 19:25:48,672 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 19:25:48,780 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:25:49,025 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 19:25:49,130 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:25:49,358 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 19:25:49,468 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:25:49,743 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-20 19:25:50,039 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-20 19:25:50,339 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-20 19:25:50,650 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-20 19:25:50,787 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-20 19:25:50,926 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-09-20 19:25:52,102 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 19:25:52,704 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-20 19:25:52,936 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:25:53,418 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-20 19:25:53,654 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:25:54,070 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-09-20 19:25:55,110 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2019-09-20 19:25:55,348 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 35 [2019-09-20 19:25:55,502 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 19:25:56,060 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-20 19:25:56,304 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 19:25:56,563 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 19:25:56,819 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 19:25:57,041 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 73 [2019-09-20 19:25:57,574 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-20 19:25:58,049 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-20 19:25:58,476 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 19:25:58,816 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 19:25:59,367 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2019-09-20 19:25:59,600 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:26:00,089 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-20 19:26:00,322 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:26:00,882 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2019-09-20 19:26:01,133 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:26:01,634 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-20 19:26:01,877 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:26:02,158 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 19:26:02,433 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 19:26:02,752 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 19:26:03,038 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 19:26:03,784 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 108 [2019-09-20 19:26:04,151 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 19:26:04,850 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 19:26:05,417 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 73 [2019-09-20 19:26:05,647 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:26:06,149 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-20 19:26:06,401 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:26:06,925 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-20 19:26:07,189 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:26:07,729 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2019-09-20 19:26:07,977 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 19:26:08,306 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 19:26:08,594 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 74 [2019-09-20 19:26:08,706 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 19:26:09,252 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 19:26:09,373 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 93