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_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:41:08,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:41:08,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:41:08,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:41:08,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:41:08,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:41:08,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:41:08,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:41:08,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:41:08,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:41:08,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:41:08,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:41:08,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:41:08,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:41:08,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:41:08,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:41:08,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:41:08,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:41:08,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:41:08,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:41:08,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:41:08,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:41:08,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:41:08,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:41:08,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:41:08,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:41:08,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:41:08,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:41:08,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:41:08,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:41:08,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:41:08,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:41:08,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:41:08,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:41:08,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:41:08,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:41:08,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:41:08,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:41:08,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:41:08,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:41:08,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:41:08,558 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 [2019-09-17 16:41:08,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:41:08,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:41:08,589 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:41:08,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:41:08,590 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:41:08,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:41:08,591 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:41:08,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:41:08,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:41:08,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:41:08,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:41:08,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:41:08,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:41:08,593 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:41:08,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:41:08,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:41:08,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:41:08,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:41:08,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:41:08,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:41:08,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:41:08,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:41:08,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:41:08,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:41:08,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:41:08,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:41:08,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:41:08,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:41:08,598 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_DDA [2019-09-17 16:41:08,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:41:08,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:41:08,647 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:41:08,649 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:41:08,649 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:41:08,650 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i [2019-09-17 16:41:08,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3543eeaac/3f06b14345ec441085b7d83054a4e1d7/FLAG8e5d6f0d3 [2019-09-17 16:41:09,254 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:41:09,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i [2019-09-17 16:41:09,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3543eeaac/3f06b14345ec441085b7d83054a4e1d7/FLAG8e5d6f0d3 [2019-09-17 16:41:09,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3543eeaac/3f06b14345ec441085b7d83054a4e1d7 [2019-09-17 16:41:09,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:41:09,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:41:09,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:41:09,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:41:09,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:41:09,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:41:09" (1/1) ... [2019-09-17 16:41:09,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260a8ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:41:09, skipping insertion in model container [2019-09-17 16:41:09,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:41:09" (1/1) ... [2019-09-17 16:41:09,554 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:41:09,597 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:41:10,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:41:10,051 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:41:10,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:41:10,158 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:41:10,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:41:10 WrapperNode [2019-09-17 16:41:10,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:41:10,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:41:10,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:41:10,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:41:10,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:41:10" (1/1) ... [2019-09-17 16:41:10,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:41:10" (1/1) ... [2019-09-17 16:41:10,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:41:10" (1/1) ... [2019-09-17 16:41:10,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:41:10" (1/1) ... [2019-09-17 16:41:10,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:41:10" (1/1) ... [2019-09-17 16:41:10,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:41:10" (1/1) ... [2019-09-17 16:41:10,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:41:10" (1/1) ... [2019-09-17 16:41:10,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:41:10,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:41:10,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:41:10,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:41:10,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:41:10" (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 [2019-09-17 16:41:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:41:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:41:10,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-17 16:41:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-17 16:41:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-17 16:41:10,284 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-17 16:41:10,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-17 16:41:10,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_last [2019-09-17 16:41:10,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:41:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:41:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-17 16:41:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-17 16:41:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 16:41:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 16:41:10,287 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 16:41:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 16:41:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 16:41:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 16:41:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 16:41:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 16:41:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 16:41:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 16:41:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 16:41:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 16:41:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 16:41:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 16:41:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 16:41:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 16:41:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 16:41:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 16:41:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 16:41:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 16:41:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 16:41:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 16:41:10,292 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 16:41:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 16:41:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 16:41:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 16:41:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 16:41:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 16:41:10,293 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 16:41:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 16:41:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 16:41:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 16:41:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 16:41:10,294 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 16:41:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 16:41:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 16:41:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 16:41:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 16:41:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 16:41:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 16:41:10,295 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 16:41:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 16:41:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 16:41:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 16:41:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 16:41:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 16:41:10,296 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 16:41:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 16:41:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 16:41:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 16:41:10,297 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 16:41:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 16:41:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 16:41:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 16:41:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 16:41:10,298 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 16:41:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 16:41:10,299 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 16:41:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 16:41:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 16:41:10,300 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 16:41:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 16:41:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 16:41:10,301 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 16:41:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 16:41:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 16:41:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 16:41:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 16:41:10,302 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 16:41:10,303 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 16:41:10,303 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 16:41:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 16:41:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 16:41:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 16:41:10,304 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 16:41:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 16:41:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 16:41:10,305 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 16:41:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 16:41:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 16:41:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 16:41:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 16:41:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 16:41:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 16:41:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 16:41:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 16:41:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 16:41:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 16:41:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 16:41:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 16:41:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 16:41:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 16:41:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 16:41:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 16:41:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 16:41:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 16:41:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 16:41:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 16:41:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 16:41:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 16:41:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 16:41:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 16:41:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 16:41:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-17 16:41:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-17 16:41:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 16:41:10,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 16:41:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:41:10,311 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-17 16:41:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_last [2019-09-17 16:41:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 16:41:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:41:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:41:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 16:41:10,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-17 16:41:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:41:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:41:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:41:10,753 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-17 16:41:11,095 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:41:11,096 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-17 16:41:11,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:41:11 BoogieIcfgContainer [2019-09-17 16:41:11,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:41:11,098 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:41:11,098 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:41:11,099 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:41:11,100 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:41:11" (1/1) ... [2019-09-17 16:41:11,101 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 16:41:11,127 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:41:11,127 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:41:11,135 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:41:11,144 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:41:11,146 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:41:11,352 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-17 16:41:11,676 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-17 16:41:12,421 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-17 16:41:12,600 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-17 16:41:13,578 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2019-09-17 16:41:13,722 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-17 16:41:13,965 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-17 16:41:14,179 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-17 16:41:14,493 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-17 16:41:14,608 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-17 16:41:14,721 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-17 16:41:14,985 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-09-17 16:41:15,846 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2019-09-17 16:41:16,260 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 16:41:16,743 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 16:41:17,163 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-17 16:41:17,509 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-17 16:41:17,896 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 16:41:18,251 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 16:41:18,586 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-17 16:41:18,906 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 16:41:19,296 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-17 16:41:19,348 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:41:23,296 WARN L191 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 138 DAG size of output: 135 [2019-09-17 16:41:25,413 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 16:41:26,908 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 16:41:27,886 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-17 16:41:29,199 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2019-09-17 16:41:29,878 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2019-09-17 16:41:30,758 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2019-09-17 16:41:31,220 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-17 16:41:31,436 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 16:41:31,643 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 16:41:32,080 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-17 16:41:32,629 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2019-09-17 16:41:32,889 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-17 16:41:33,357 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2019-09-17 16:41:34,891 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 164 DAG size of output: 163 [2019-09-17 16:41:35,610 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-17 16:41:36,329 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-17 16:41:37,019 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-17 16:41:37,682 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-17 16:41:38,366 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-17 16:41:39,061 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 16:41:39,698 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 16:41:40,300 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 16:41:40,939 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 16:41:41,528 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-17 16:41:42,456 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2019-09-17 16:41:42,481 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:41:42,789 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-17 16:41:43,371 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-17 16:41:43,887 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-17 16:42:25,093 WARN L191 SmtUtils]: Spent 41.14 s on a formula simplification. DAG size of input: 338 DAG size of output: 193 [2019-09-17 16:42:40,480 WARN L191 SmtUtils]: Spent 15.38 s on a formula simplification that was a NOOP. DAG size: 190 [2019-09-17 16:42:53,785 WARN L191 SmtUtils]: Spent 13.28 s on a formula simplification that was a NOOP. DAG size: 184 [2019-09-17 16:43:02,041 WARN L191 SmtUtils]: Spent 8.22 s on a formula simplification that was a NOOP. DAG size: 177 [2019-09-17 16:43:09,117 WARN L191 SmtUtils]: Spent 7.05 s on a formula simplification that was a NOOP. DAG size: 167 [2019-09-17 16:43:17,250 WARN L191 SmtUtils]: Spent 8.11 s on a formula simplification that was a NOOP. DAG size: 164 [2019-09-17 16:43:21,925 WARN L191 SmtUtils]: Spent 4.64 s on a formula simplification that was a NOOP. DAG size: 153 [2019-09-17 16:43:26,160 WARN L191 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 154 DAG size of output: 149 [2019-09-17 16:43:28,384 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2019-09-17 16:43:29,564 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2019-09-17 16:43:30,494 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 131 [2019-09-17 16:43:31,247 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 125 [2019-09-17 16:43:31,908 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2019-09-17 16:43:32,207 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-17 16:43:32,426 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 57 [2019-09-17 16:43:32,617 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-17 16:43:32,994 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2019-09-17 16:43:33,176 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-17 16:43:33,348 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-17 16:43:33,510 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:43:33,664 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-17 16:43:43,572 WARN L191 SmtUtils]: Spent 9.83 s on a formula simplification. DAG size of input: 160 DAG size of output: 147 [2019-09-17 16:43:47,622 WARN L191 SmtUtils]: Spent 3.87 s on a formula simplification that was a NOOP. DAG size: 141 [2019-09-17 16:43:51,490 WARN L191 SmtUtils]: Spent 3.70 s on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 16:43:53,149 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 16:43:55,217 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2019-09-17 16:43:56,244 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2019-09-17 16:43:56,873 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-17 16:43:57,375 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-17 16:43:57,663 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-17 16:43:57,808 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-17 16:43:58,090 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-17 16:43:58,314 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 16:43:58,494 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-17 16:43:58,666 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-17 16:43:58,806 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 16:43:58,910 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 16:43:59,020 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 16:43:59,140 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2019-09-17 16:43:59,390 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-17 16:43:59,981 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-17 16:44:00,389 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 16:44:00,786 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-17 16:44:01,148 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-17 16:44:01,436 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 16:44:01,945 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-17 16:44:02,364 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-17 16:44:02,814 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-17 16:44:06,989 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:256) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-17 16:44:06,993 INFO L168 Benchmark]: Toolchain (without parser) took 177457.04 ms. Allocated memory was 138.9 MB in the beginning and 361.8 MB in the end (delta: 222.8 MB). Free memory was 85.4 MB in the beginning and 160.9 MB in the end (delta: -75.5 MB). Peak memory consumption was 266.1 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:06,994 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 16:44:06,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.32 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.2 MB in the beginning and 160.9 MB in the end (delta: -75.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:06,997 INFO L168 Benchmark]: Boogie Preprocessor took 64.15 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 158.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:06,999 INFO L168 Benchmark]: RCFGBuilder took 872.69 ms. Allocated memory is still 199.2 MB. Free memory was 158.4 MB in the beginning and 96.3 MB in the end (delta: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:07,002 INFO L168 Benchmark]: Sifa took 175894.17 ms. Allocated memory was 199.2 MB in the beginning and 361.8 MB in the end (delta: 162.5 MB). Free memory was 96.3 MB in the beginning and 160.9 MB in the end (delta: -64.6 MB). Peak memory consumption was 216.7 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:07,006 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 622.32 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.2 MB in the beginning and 160.9 MB in the end (delta: -75.8 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.15 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 158.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 872.69 ms. Allocated memory is still 199.2 MB. Free memory was 158.4 MB in the beginning and 96.3 MB in the end (delta: 62.1 MB). Peak memory consumption was 62.1 MB. Max. memory is 7.1 GB. * Sifa took 175894.17 ms. Allocated memory was 199.2 MB in the beginning and 361.8 MB in the end (delta: 162.5 MB). Free memory was 96.3 MB in the beginning and 160.9 MB in the end (delta: -64.6 MB). Peak memory consumption was 216.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.sifa: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...