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/list-properties/list_search-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:53:48,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:53:48,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:53:48,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:53:48,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:53:48,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:53:48,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:53:48,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:53:48,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:53:48,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:53:48,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:53:48,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:53:48,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:53:48,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:53:48,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:53:48,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:53:48,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:53:48,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:53:48,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:53:48,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:53:48,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:53:48,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:53:48,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:53:48,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:53:48,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:53:48,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:53:48,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:53:48,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:53:48,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:53:48,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:53:48,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:53:48,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:53:48,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:53:48,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:53:48,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:53:48,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:53:48,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:53:48,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:53:48,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:53:48,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:53:48,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:53:48,385 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 09:53:48,399 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:53:48,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:53:48,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:53:48,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:53:48,401 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:53:48,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:53:48,402 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:53:48,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:53:48,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:53:48,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:53:48,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:53:48,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:53:48,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:53:48,403 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:53:48,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:53:48,403 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:53:48,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:53:48,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:53:48,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:53:48,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:53:48,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:53:48,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:53:48,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:53:48,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:53:48,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:53:48,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:53:48,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:53:48,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:53:48,406 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 09:53:48,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:53:48,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:53:48,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:53:48,454 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:53:48,455 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:53:48,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_search-2.i [2019-09-21 09:53:48,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/267ddbe59/8d5cd6ee27c64a8284bcac072156a294/FLAG4abc96c74 [2019-09-21 09:53:49,088 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:53:49,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_search-2.i [2019-09-21 09:53:49,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/267ddbe59/8d5cd6ee27c64a8284bcac072156a294/FLAG4abc96c74 [2019-09-21 09:53:49,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/267ddbe59/8d5cd6ee27c64a8284bcac072156a294 [2019-09-21 09:53:49,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:53:49,391 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:53:49,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:53:49,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:53:49,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:53:49,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:53:49" (1/1) ... [2019-09-21 09:53:49,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3589d5be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:53:49, skipping insertion in model container [2019-09-21 09:53:49,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:53:49" (1/1) ... [2019-09-21 09:53:49,408 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:53:49,471 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:53:50,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:53:50,036 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:53:50,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:53:50,214 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:53:50,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:53:50 WrapperNode [2019-09-21 09:53:50,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:53:50,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:53:50,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:53:50,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:53:50,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:53:50" (1/1) ... [2019-09-21 09:53:50,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:53:50" (1/1) ... [2019-09-21 09:53:50,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:53:50" (1/1) ... [2019-09-21 09:53:50,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:53:50" (1/1) ... [2019-09-21 09:53:50,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:53:50" (1/1) ... [2019-09-21 09:53:50,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:53:50" (1/1) ... [2019-09-21 09:53:50,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:53:50" (1/1) ... [2019-09-21 09:53:50,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:53:50,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:53:50,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:53:50,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:53:50,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:53:50" (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 09:53:50,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:53:50,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:53:50,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:53:50,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-21 09:53:50,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-21 09:53:50,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-09-21 09:53:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-09-21 09:53:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-09-21 09:53:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure search_list [2019-09-21 09:53:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure delete_list [2019-09-21 09:53:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure insert_list [2019-09-21 09:53:50,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:53:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:53:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:53:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-09-21 09:53:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-09-21 09:53:50,365 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-09-21 09:53:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-09-21 09:53:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-09-21 09:53:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-09-21 09:53:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-09-21 09:53:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-09-21 09:53:50,366 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-09-21 09:53:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-09-21 09:53:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-09-21 09:53:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-09-21 09:53:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-09-21 09:53:50,367 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-09-21 09:53:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-09-21 09:53:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-09-21 09:53:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-09-21 09:53:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-09-21 09:53:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-09-21 09:53:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-09-21 09:53:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-09-21 09:53:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-09-21 09:53:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-09-21 09:53:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-09-21 09:53:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-09-21 09:53:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-09-21 09:53:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-09-21 09:53:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-09-21 09:53:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-21 09:53:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-09-21 09:53:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-09-21 09:53:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-09-21 09:53:50,370 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-09-21 09:53:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-09-21 09:53:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-09-21 09:53:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-09-21 09:53:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-09-21 09:53:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-09-21 09:53:50,371 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-21 09:53:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-21 09:53:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-09-21 09:53:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-09-21 09:53:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-09-21 09:53:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-21 09:53:50,372 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-09-21 09:53:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-09-21 09:53:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-09-21 09:53:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-09-21 09:53:50,373 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-09-21 09:53:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-21 09:53:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-09-21 09:53:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-09-21 09:53:50,374 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-09-21 09:53:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-09-21 09:53:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-21 09:53:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-09-21 09:53:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-09-21 09:53:50,375 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-09-21 09:53:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-09-21 09:53:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-09-21 09:53:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-09-21 09:53:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-09-21 09:53:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-09-21 09:53:50,376 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-09-21 09:53:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-09-21 09:53:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-09-21 09:53:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-09-21 09:53:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-09-21 09:53:50,377 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-09-21 09:53:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-09-21 09:53:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-09-21 09:53:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-09-21 09:53:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-21 09:53:50,378 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-09-21 09:53:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-09-21 09:53:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-09-21 09:53:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-09-21 09:53:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-09-21 09:53:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-09-21 09:53:50,379 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-09-21 09:53:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-09-21 09:53:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-09-21 09:53:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-09-21 09:53:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-09-21 09:53:50,380 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-09-21 09:53:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-09-21 09:53:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-09-21 09:53:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-09-21 09:53:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-09-21 09:53:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-09-21 09:53:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-09-21 09:53:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-09-21 09:53:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-09-21 09:53:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-09-21 09:53:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-09-21 09:53:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-09-21 09:53:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-09-21 09:53:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-09-21 09:53:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-09-21 09:53:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-09-21 09:53:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 09:53:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 09:53:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 09:53:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 09:53:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 09:53:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 09:53:50,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 09:53:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 09:53:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 09:53:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 09:53:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 09:53:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 09:53:50,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 09:53:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 09:53:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 09:53:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 09:53:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-21 09:53:50,386 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-21 09:53:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-09-21 09:53:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-09-21 09:53:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-09-21 09:53:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 09:53:50,387 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 09:53:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 09:53:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 09:53:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 09:53:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 09:53:50,388 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 09:53:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 09:53:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 09:53:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 09:53:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 09:53:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 09:53:50,389 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 09:53:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 09:53:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 09:53:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 09:53:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 09:53:50,390 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 09:53:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 09:53:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 09:53:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 09:53:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 09:53:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 09:53:50,391 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 09:53:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 09:53:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 09:53:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 09:53:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 09:53:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 09:53:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 09:53:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 09:53:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 09:53:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 09:53:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 09:53:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:53:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 09:53:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 09:53:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:53:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 09:53:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 09:53:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 09:53:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 09:53:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 09:53:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 09:53:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 09:53:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 09:53:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 09:53:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 09:53:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 09:53:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 09:53:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 09:53:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 09:53:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 09:53:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 09:53:50,396 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 09:53:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 09:53:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 09:53:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 09:53:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 09:53:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 09:53:50,397 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 09:53:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 09:53:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 09:53:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 09:53:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 09:53:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 09:53:50,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 09:53:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 09:53:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 09:53:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 09:53:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 09:53:50,399 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 09:53:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 09:53:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 09:53:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 09:53:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 09:53:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 09:53:50,400 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 09:53:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 09:53:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 09:53:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 09:53:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 09:53:50,401 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 09:53:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 09:53:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 09:53:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 09:53:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure search_list [2019-09-21 09:53:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:53:50,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:53:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure delete_list [2019-09-21 09:53:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:53:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:53:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure insert_list [2019-09-21 09:53:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:53:50,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:53:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:53:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:53:50,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:53:51,273 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:53:51,273 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-21 09:53:51,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:53:51 BoogieIcfgContainer [2019-09-21 09:53:51,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:53:51,275 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:53:51,276 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:53:51,276 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:53:51,277 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:53:51" (1/1) ... [2019-09-21 09:53:51,278 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 09:53:51,308 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:53:51,308 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:53:51,314 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:53:51,322 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:53:51,324 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:53:51,551 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 37 for LOIs [2019-09-21 09:53:54,098 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-21 09:53:54,212 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-09-21 09:53:54,360 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 161 [2019-09-21 09:53:54,497 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 167 [2019-09-21 09:53:54,627 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-09-21 09:53:55,051 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 203 [2019-09-21 09:53:55,262 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2019-09-21 09:53:55,534 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 204 [2019-09-21 09:53:55,784 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 210 [2019-09-21 09:53:55,970 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2019-09-21 09:53:56,302 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2019-09-21 09:53:56,786 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-09-21 09:53:57,187 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2019-09-21 09:53:57,683 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 297 [2019-09-21 09:53:58,179 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 291 [2019-09-21 09:53:58,497 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2019-09-21 09:53:59,205 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 292 [2019-09-21 09:54:00,124 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-09-21 09:54:00,868 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-09-21 09:54:01,861 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 446 [2019-09-21 09:54:02,713 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 453 [2019-09-21 09:54:03,483 WARN L191 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-09-21 09:54:04,605 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 453 [2019-09-21 09:54:06,418 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 759 [2019-09-21 09:54:08,025 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 759 [2019-09-21 09:54:10,293 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 759 DAG size of output: 759 [2019-09-21 09:54:12,163 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1022 DAG size of output: 743 [2019-09-21 09:54:13,762 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 743 [2019-09-21 09:54:15,977 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 744 DAG size of output: 742 [2019-09-21 09:54:20,866 WARN L191 SmtUtils]: Spent 4.38 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-09-21 09:54:24,399 WARN L191 SmtUtils]: Spent 3.53 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-09-21 09:54:28,975 WARN L191 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 1322 DAG size of output: 1322