java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:21:01,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:21:01,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:21:01,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:21:01,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:21:01,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:21:01,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:21:01,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:21:01,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:21:01,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:21:01,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:21:01,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:21:01,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:21:01,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:21:01,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:21:01,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:21:01,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:21:01,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:21:01,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:21:01,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:21:01,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:21:01,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:21:01,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:21:01,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:21:01,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:21:01,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:21:01,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:21:01,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:21:01,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:21:01,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:21:01,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:21:01,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:21:01,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:21:01,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:21:01,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:21:01,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:21:01,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:21:01,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:21:01,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:21:01,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:21:01,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:21:01,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 23:21:01,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:21:01,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:21:01,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:21:01,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:21:01,536 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:21:01,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:21:01,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:21:01,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:21:01,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:21:01,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:21:01,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:21:01,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:21:01,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:21:01,539 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:21:01,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:21:01,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:21:01,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:21:01,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:21:01,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:21:01,540 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:21:01,540 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:21:01,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:21:01,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:21:01,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:21:01,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:21:01,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:21:01,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:21:01,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:21:01,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:21:01,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:21:01,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:21:01,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:21:01,633 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:21:01,633 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:21:01,634 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i [2019-09-20 23:21:01,705 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f50b9475/b616de38cdba4d84be15e623479d28f3/FLAG31cada9e6 [2019-09-20 23:21:02,212 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:21:02,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_remove_all_reverse.i [2019-09-20 23:21:02,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f50b9475/b616de38cdba4d84be15e623479d28f3/FLAG31cada9e6 [2019-09-20 23:21:02,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f50b9475/b616de38cdba4d84be15e623479d28f3 [2019-09-20 23:21:02,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:21:02,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:21:02,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:21:02,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:21:02,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:21:02,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:21:02" (1/1) ... [2019-09-20 23:21:02,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a3f083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:02, skipping insertion in model container [2019-09-20 23:21:02,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:21:02" (1/1) ... [2019-09-20 23:21:02,593 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:21:02,633 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:21:03,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:21:03,100 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:21:03,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:21:03,209 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:21:03,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:03 WrapperNode [2019-09-20 23:21:03,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:21:03,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:21:03,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:21:03,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:21:03,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:03" (1/1) ... [2019-09-20 23:21:03,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:03" (1/1) ... [2019-09-20 23:21:03,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:03" (1/1) ... [2019-09-20 23:21:03,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:03" (1/1) ... [2019-09-20 23:21:03,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:03" (1/1) ... [2019-09-20 23:21:03,279 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:03" (1/1) ... [2019-09-20 23:21:03,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:03" (1/1) ... [2019-09-20 23:21:03,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:21:03,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:21:03,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:21:03,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:21:03,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:21:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:21:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:21:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:21:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 23:21:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 23:21:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 23:21:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 23:21:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 23:21:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_last [2019-09-20 23:21:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:21:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:21:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 23:21:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 23:21:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 23:21:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 23:21:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 23:21:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 23:21:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 23:21:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 23:21:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 23:21:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 23:21:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 23:21:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 23:21:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 23:21:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 23:21:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 23:21:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 23:21:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 23:21:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 23:21:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 23:21:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 23:21:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 23:21:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 23:21:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 23:21:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 23:21:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 23:21:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 23:21:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 23:21:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 23:21:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 23:21:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 23:21:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 23:21:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 23:21:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 23:21:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 23:21:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 23:21:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 23:21:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 23:21:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 23:21:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 23:21:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 23:21:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 23:21:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 23:21:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 23:21:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 23:21:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 23:21:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 23:21:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 23:21:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 23:21:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 23:21:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 23:21:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 23:21:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 23:21:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:21:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 23:21:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 23:21:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 23:21:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 23:21:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 23:21:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 23:21:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 23:21:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 23:21:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 23:21:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 23:21:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 23:21:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 23:21:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 23:21:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 23:21:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 23:21:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 23:21:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 23:21:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 23:21:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 23:21:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 23:21:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 23:21:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 23:21:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 23:21:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 23:21:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 23:21:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 23:21:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 23:21:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 23:21:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 23:21:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 23:21:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 23:21:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 23:21:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 23:21:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 23:21:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 23:21:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 23:21:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 23:21:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 23:21:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 23:21:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 23:21:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 23:21:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 23:21:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 23:21:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 23:21:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 23:21:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 23:21:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 23:21:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 23:21:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 23:21:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 23:21:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 23:21:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 23:21:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 23:21:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 23:21:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 23:21:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:21:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:21:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 23:21:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_last [2019-09-20 23:21:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:21:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:21:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:21:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 23:21:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 23:21:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:21:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:21:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:21:03,863 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 23:21:04,128 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:21:04,128 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 23:21:04,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:21:04 BoogieIcfgContainer [2019-09-20 23:21:04,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:21:04,130 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:21:04,131 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:21:04,131 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:21:04,132 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:21:04" (1/1) ... [2019-09-20 23:21:04,133 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:21:04,160 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:21:04,160 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:21:04,168 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:21:04,179 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:21:04,190 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:21:04,347 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 23:21:04,562 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 23:21:04,642 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 23:21:05,839 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 23:21:06,206 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-20 23:21:06,370 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-20 23:21:06,634 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 23:21:06,739 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 23:21:07,588 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2019-09-20 23:21:07,954 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 23:21:08,289 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 23:21:08,628 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 23:21:08,942 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 23:21:09,245 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 23:21:09,550 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 23:21:09,866 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 23:21:10,272 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-20 23:21:10,550 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-20 23:21:12,260 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 23:21:14,262 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 23:21:15,589 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 23:21:16,162 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 23:21:16,950 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-09-20 23:21:17,410 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2019-09-20 23:21:17,829 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2019-09-20 23:21:18,220 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-20 23:21:18,378 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 23:21:18,561 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 23:21:19,043 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2019-09-20 23:21:23,727 WARN L191 SmtUtils]: Spent 4.62 s on a formula simplification that was a NOOP. DAG size: 149 [2019-09-20 23:21:27,342 WARN L191 SmtUtils]: Spent 3.48 s on a formula simplification that was a NOOP. DAG size: 143 [2019-09-20 23:21:30,171 WARN L191 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 23:21:31,994 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 23:21:33,402 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 23:21:34,209 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 23:21:35,271 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2019-09-20 23:21:36,162 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-09-20 23:21:36,628 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-20 23:21:37,065 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2019-09-20 23:21:37,472 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-20 23:21:37,775 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68