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.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:27:25,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:27:25,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:27:25,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:27:25,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:27:25,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:27:25,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:27:25,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:27:25,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:27:25,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:27:25,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:27:25,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:27:25,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:27:25,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:27:25,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:27:25,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:27:25,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:27:25,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:27:25,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:27:25,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:27:25,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:27:25,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:27:25,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:27:25,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:27:25,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:27:25,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:27:25,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:27:25,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:27:25,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:27:25,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:27:25,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:27:25,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:27:25,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:27:25,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:27:25,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:27:25,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:27:25,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:27:25,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:27:25,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:27:25,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:27:25,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:27:25,483 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 17:27:25,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:27:25,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:27:25,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:27:25,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:27:25,499 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:27:25,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:27:25,499 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:27:25,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:27:25,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:27:25,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:27:25,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:27:25,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:27:25,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:27:25,501 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:27:25,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:27:25,501 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:27:25,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:27:25,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:27:25,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:27:25,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:27:25,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:27:25,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:27:25,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:27:25,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:27:25,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:27:25,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:27:25,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:27:25,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:27:25,503 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 [2019-09-20 17:27:25,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:27:25,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:27:25,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:27:25,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:27:25,552 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:27:25,553 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2019-09-20 17:27:25,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc02520be/c4731f2a426a42448647eeda6724b46f/FLAGe000f0858 [2019-09-20 17:27:26,110 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:27:26,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2019-09-20 17:27:26,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc02520be/c4731f2a426a42448647eeda6724b46f/FLAGe000f0858 [2019-09-20 17:27:26,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc02520be/c4731f2a426a42448647eeda6724b46f [2019-09-20 17:27:26,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:27:26,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:27:26,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:27:26,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:27:26,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:27:26,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:27:26" (1/1) ... [2019-09-20 17:27:26,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560b46ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:26, skipping insertion in model container [2019-09-20 17:27:26,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:27:26" (1/1) ... [2019-09-20 17:27:26,466 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:27:26,529 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:27:26,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:27:26,998 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:27:27,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:27:27,123 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:27:27,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:27 WrapperNode [2019-09-20 17:27:27,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:27:27,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:27:27,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:27:27,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:27:27,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:27" (1/1) ... [2019-09-20 17:27:27,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:27" (1/1) ... [2019-09-20 17:27:27,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:27" (1/1) ... [2019-09-20 17:27:27,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:27" (1/1) ... [2019-09-20 17:27:27,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:27" (1/1) ... [2019-09-20 17:27:27,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:27" (1/1) ... [2019-09-20 17:27:27,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:27" (1/1) ... [2019-09-20 17:27:27,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:27:27,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:27:27,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:27:27,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:27:27,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:27:27,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:27:27,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:27:27,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:27:27,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:27:27,254 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:27:27,254 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 17:27:27,254 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 17:27:27,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_first [2019-09-20 17:27:27,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:27:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:27:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:27:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:27:27,255 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:27:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:27:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:27:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:27:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:27:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:27:27,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:27:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:27:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:27:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:27:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:27:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:27:27,257 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:27:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:27:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:27:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:27:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:27:27,258 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:27:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:27:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:27:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:27:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:27:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:27:27,259 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:27:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:27:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:27:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:27:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:27:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:27:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:27:27,260 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:27:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:27:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:27:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:27:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:27:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:27:27,261 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:27:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:27:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:27:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:27:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:27:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:27:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:27:27,262 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:27:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:27:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:27:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:27:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:27:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:27:27,263 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:27:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:27:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:27:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:27:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:27:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:27:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:27:27,264 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:27:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:27:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:27:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:27:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:27:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:27:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:27:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:27:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:27:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:27:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:27:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:27:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:27:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:27:27,266 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:27:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:27:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:27:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:27:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:27:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:27:27,267 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:27:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:27:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:27:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:27:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:27:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:27:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:27:27,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:27:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:27:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:27:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:27:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:27:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:27:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:27:27,269 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:27:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:27:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:27:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:27:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:27:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:27:27,270 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:27:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:27:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:27:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:27:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:27:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:27:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:27:27,271 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:27:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 17:27:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:27:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:27:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:27:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 17:27:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_first [2019-09-20 17:27:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:27:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:27:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:27:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:27:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 17:27:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:27:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:27:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:27:27,670 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:27:28,070 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:27:28,070 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 17:27:28,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:27:28 BoogieIcfgContainer [2019-09-20 17:27:28,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:27:28,073 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:27:28,073 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:27:28,073 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:27:28,075 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:27:28" (1/1) ... [2019-09-20 17:27:28,075 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 [2019-09-20 17:27:28,111 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:27:28,112 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:27:28,119 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:27:28,128 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:27:28,130 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:27:28,354 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:27:28,676 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:27:29,404 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-20 17:27:29,553 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 17:27:30,457 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2019-09-20 17:27:30,595 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:27:30,847 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2019-09-20 17:27:31,050 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-20 17:27:31,367 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 17:27:31,500 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:27:31,625 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:27:31,868 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-09-20 17:27:32,707 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2019-09-20 17:27:33,158 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:27:33,589 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:27:33,971 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:27:34,343 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:27:34,701 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:27:35,045 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:27:35,381 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:27:35,689 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:27:36,108 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-20 17:27:39,619 WARN L191 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2019-09-20 17:27:41,318 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 17:27:42,543 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 17:27:43,234 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 17:27:44,192 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 115 [2019-09-20 17:27:44,832 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2019-09-20 17:27:45,358 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-20 17:27:45,848 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2019-09-20 17:27:46,066 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:27:46,268 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:27:46,704 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-20 17:27:47,200 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2019-09-20 17:27:47,432 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 17:27:47,912 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2019-09-20 17:27:49,425 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 164 DAG size of output: 163 [2019-09-20 17:27:50,141 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 17:27:50,860 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 17:27:51,565 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-20 17:27:52,223 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 17:27:52,871 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-20 17:27:53,574 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-20 17:27:54,228 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 17:27:54,853 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:27:55,484 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 17:27:56,076 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 17:27:57,004 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2019-09-20 17:27:57,030 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:27:57,325 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:27:57,897 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-20 17:27:58,418 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-20 17:28:13,307 WARN L191 SmtUtils]: Spent 14.84 s on a formula simplification that was a NOOP. DAG size: 190