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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:09:56,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:09:56,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:09:56,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:09:56,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:09:56,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:09:56,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:09:56,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:09:56,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:09:56,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:09:56,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:09:56,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:09:56,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:09:56,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:09:56,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:09:56,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:09:56,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:09:56,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:09:56,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:09:56,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:09:56,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:09:56,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:09:56,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:09:56,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:09:56,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:09:56,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:09:56,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:09:56,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:09:56,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:09:56,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:09:56,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:09:56,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:09:56,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:09:56,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:09:56,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:09:56,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:09:56,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:09:56,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:09:56,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:09:56,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:09:56,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:09:56,578 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 14:09:56,592 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:09:56,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:09:56,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:09:56,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:09:56,595 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:09:56,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:09:56,595 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:09:56,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:09:56,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:09:56,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:09:56,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:09:56,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:09:56,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:09:56,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:09:56,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:09:56,597 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:09:56,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:09:56,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:09:56,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:09:56,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:09:56,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:09:56,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:09:56,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:09:56,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:09:56,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:09:56,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:09:56,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:09:56,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:09:56,600 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 -> 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 14:09:56,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:09:56,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:09:56,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:09:56,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:09:56,655 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:09:56,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-20 14:09:56,736 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e84031f1a/31f07d19216f491a895c8d7df81e60ba/FLAGd2bc552a1 [2019-09-20 14:09:57,320 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:09:57,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-20 14:09:57,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e84031f1a/31f07d19216f491a895c8d7df81e60ba/FLAGd2bc552a1 [2019-09-20 14:09:57,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e84031f1a/31f07d19216f491a895c8d7df81e60ba [2019-09-20 14:09:57,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:09:57,587 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:09:57,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:09:57,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:09:57,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:09:57,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:09:57" (1/1) ... [2019-09-20 14:09:57,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e46397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:57, skipping insertion in model container [2019-09-20 14:09:57,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:09:57" (1/1) ... [2019-09-20 14:09:57,603 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:09:57,649 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:09:58,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:09:58,069 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:09:58,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:09:58,215 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:09:58,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:58 WrapperNode [2019-09-20 14:09:58,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:09:58,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:09:58,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:09:58,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:09:58,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:58" (1/1) ... [2019-09-20 14:09:58,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:58" (1/1) ... [2019-09-20 14:09:58,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:58" (1/1) ... [2019-09-20 14:09:58,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:58" (1/1) ... [2019-09-20 14:09:58,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:58" (1/1) ... [2019-09-20 14:09:58,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:58" (1/1) ... [2019-09-20 14:09:58,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:58" (1/1) ... [2019-09-20 14:09:58,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:09:58,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:09:58,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:09:58,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:09:58,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:58" (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 14:09:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:09:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:09:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 14:09:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 14:09:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 14:09:58,347 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 14:09:58,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 14:09:58,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 14:09:58,350 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert [2019-09-20 14:09:58,350 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:09:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:09:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 14:09:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 14:09:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 14:09:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 14:09:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 14:09:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 14:09:58,354 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 14:09:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 14:09:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 14:09:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 14:09:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 14:09:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 14:09:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 14:09:58,355 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 14:09:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 14:09:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 14:09:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 14:09:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 14:09:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 14:09:58,356 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 14:09:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 14:09:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 14:09:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 14:09:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 14:09:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 14:09:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 14:09:58,357 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 14:09:58,358 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 14:09:58,358 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 14:09:58,358 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 14:09:58,358 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 14:09:58,358 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 14:09:58,358 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 14:09:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 14:09:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 14:09:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 14:09:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 14:09:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 14:09:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 14:09:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 14:09:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 14:09:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 14:09:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 14:09:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 14:09:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 14:09:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 14:09:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 14:09:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 14:09:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 14:09:58,361 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 14:09:58,361 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 14:09:58,361 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 14:09:58,361 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:09:58,361 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 14:09:58,361 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 14:09:58,361 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 14:09:58,362 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 14:09:58,362 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 14:09:58,362 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 14:09:58,362 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 14:09:58,362 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 14:09:58,362 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 14:09:58,363 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 14:09:58,363 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 14:09:58,363 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 14:09:58,363 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 14:09:58,363 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 14:09:58,363 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 14:09:58,364 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 14:09:58,364 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 14:09:58,364 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 14:09:58,364 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 14:09:58,364 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 14:09:58,364 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 14:09:58,364 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 14:09:58,365 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 14:09:58,365 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 14:09:58,365 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 14:09:58,365 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 14:09:58,365 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 14:09:58,365 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 14:09:58,365 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 14:09:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 14:09:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 14:09:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 14:09:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 14:09:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 14:09:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 14:09:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 14:09:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 14:09:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 14:09:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 14:09:58,366 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 14:09:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 14:09:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 14:09:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 14:09:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 14:09:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 14:09:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 14:09:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 14:09:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 14:09:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 14:09:58,367 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 14:09:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 14:09:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 14:09:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 14:09:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 14:09:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 14:09:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:09:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:09:58,368 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 14:09:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 14:09:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:09:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:09:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert [2019-09-20 14:09:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:09:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 14:09:58,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 14:09:58,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:09:58,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:09:58,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:09:58,807 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 14:09:59,605 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:09:59,606 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 14:09:59,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:09:59 BoogieIcfgContainer [2019-09-20 14:09:59,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:09:59,608 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:09:59,608 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:09:59,609 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:09:59,610 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:09:59" (1/1) ... [2019-09-20 14:09:59,611 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 14:09:59,641 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:09:59,642 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:09:59,660 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:09:59,675 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:09:59,677 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:09:59,833 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 14:10:00,220 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:00,467 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-20 14:10:00,601 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 14:10:01,377 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-09-20 14:10:01,528 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 14:10:01,894 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 14:10:01,990 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:06,575 WARN L191 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2019-09-20 14:10:08,426 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 14:10:09,789 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 14:10:11,264 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 14:10:12,535 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 133 [2019-09-20 14:10:13,594 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 14:10:14,476 WARN L191 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 14:10:15,066 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 14:10:15,502 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 14:10:15,828 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 14:10:16,093 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 14:10:16,298 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 14:10:16,688 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2019-09-20 14:10:16,873 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:10:17,052 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 14:10:17,405 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2019-09-20 14:10:17,496 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:17,536 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:17,547 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 14:10:20,401 WARN L191 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2019-09-20 14:10:21,575 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 14:10:22,238 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 14:10:23,136 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 14:10:23,850 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 14:10:24,570 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-20 14:10:25,155 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-20 14:10:25,606 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2019-09-20 14:10:25,669 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 14:10:26,513 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 14:10:26,646 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 14:10:26,959 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2019-09-20 14:10:27,094 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 14:10:27,495 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-09-20 14:10:27,912 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 14:10:35,795 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 14:10:40,140 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 14:10:40,454 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42