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/dll2c_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 14:09:53,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 14:09:53,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 14:09:53,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 14:09:53,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 14:09:53,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 14:09:53,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 14:09:53,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 14:09:53,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 14:09:53,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 14:09:53,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 14:09:53,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 14:09:53,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 14:09:53,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 14:09:53,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 14:09:53,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 14:09:53,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 14:09:53,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 14:09:53,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 14:09:53,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 14:09:53,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 14:09:53,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 14:09:53,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 14:09:53,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 14:09:53,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 14:09:53,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 14:09:53,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 14:09:53,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 14:09:53,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 14:09:53,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 14:09:53,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 14:09:53,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 14:09:53,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 14:09:53,365 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 14:09:53,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 14:09:53,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 14:09:53,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 14:09:53,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 14:09:53,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 14:09:53,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 14:09:53,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 14:09:53,370 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 14:09:53,385 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 14:09:53,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 14:09:53,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 14:09:53,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 14:09:53,387 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 14:09:53,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 14:09:53,388 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 14:09:53,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 14:09:53,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 14:09:53,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 14:09:53,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 14:09:53,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 14:09:53,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 14:09:53,389 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 14:09:53,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 14:09:53,389 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 14:09:53,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 14:09:53,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 14:09:53,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 14:09:53,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 14:09:53,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 14:09:53,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 14:09:53,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 14:09:53,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 14:09:53,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 14:09:53,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 14:09:53,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 14:09:53,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 14:09:53,392 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 14:09:53,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 14:09:53,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 14:09:53,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 14:09:53,443 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 14:09:53,443 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 14:09:53,444 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_prepend_unequal.i [2019-09-20 14:09:53,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20fd2d8dc/b0718349b8074755a791ebdb2b790a28/FLAGcc2b74d02 [2019-09-20 14:09:54,089 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 14:09:54,090 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_prepend_unequal.i [2019-09-20 14:09:54,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20fd2d8dc/b0718349b8074755a791ebdb2b790a28/FLAGcc2b74d02 [2019-09-20 14:09:54,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20fd2d8dc/b0718349b8074755a791ebdb2b790a28 [2019-09-20 14:09:54,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 14:09:54,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 14:09:54,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 14:09:54,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 14:09:54,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 14:09:54,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:09:54" (1/1) ... [2019-09-20 14:09:54,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35030fe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:54, skipping insertion in model container [2019-09-20 14:09:54,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:09:54" (1/1) ... [2019-09-20 14:09:54,406 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 14:09:54,455 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 14:09:54,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:09:55,000 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 14:09:55,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 14:09:55,130 INFO L192 MainTranslator]: Completed translation [2019-09-20 14:09:55,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55 WrapperNode [2019-09-20 14:09:55,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 14:09:55,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 14:09:55,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 14:09:55,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 14:09:55,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (1/1) ... [2019-09-20 14:09:55,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 14:09:55,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 14:09:55,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 14:09:55,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 14:09:55,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:09:55" (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 14:09:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 14:09:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 14:09:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 14:09:55,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 14:09:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 14:09:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 14:09:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 14:09:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-20 14:09:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_prepend [2019-09-20 14:09:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 14:09:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 14:09:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 14:09:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 14:09:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 14:09:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 14:09:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 14:09:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 14:09:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 14:09:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 14:09:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 14:09:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 14:09:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 14:09:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 14:09:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 14:09:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 14:09:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 14:09:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 14:09:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 14:09:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 14:09:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 14:09:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 14:09:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 14:09:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 14:09:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 14:09:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 14:09:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 14:09:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 14:09:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 14:09:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 14:09:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 14:09:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 14:09:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 14:09:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 14:09:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 14:09:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 14:09:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 14:09:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 14:09:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 14:09:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 14:09:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 14:09:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 14:09:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 14:09:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 14:09:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 14:09:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 14:09:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 14:09:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 14:09:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 14:09:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 14:09:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 14:09:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 14:09:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 14:09:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 14:09:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 14:09:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 14:09:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 14:09:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 14:09:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 14:09:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 14:09:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 14:09:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 14:09:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 14:09:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 14:09:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 14:09:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 14:09:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 14:09:55,304 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 14:09:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 14:09:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 14:09:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 14:09:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 14:09:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 14:09:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 14:09:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 14:09:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 14:09:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 14:09:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 14:09:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 14:09:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 14:09:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 14:09:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 14:09:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 14:09:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 14:09:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 14:09:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 14:09:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 14:09:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 14:09:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 14:09:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 14:09:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 14:09:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 14:09:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 14:09:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 14:09:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 14:09:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 14:09:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 14:09:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 14:09:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 14:09:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 14:09:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 14:09:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 14:09:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 14:09:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 14:09:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 14:09:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 14:09:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 14:09:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 14:09:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 14:09:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 14:09:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 14:09:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 14:09:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 14:09:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-20 14:09:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 14:09:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 14:09:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_prepend [2019-09-20 14:09:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 14:09:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 14:09:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 14:09:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 14:09:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 14:09:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 14:09:55,786 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 14:09:56,521 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 14:09:56,521 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 14:09:56,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:09:56 BoogieIcfgContainer [2019-09-20 14:09:56,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 14:09:56,524 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 14:09:56,524 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 14:09:56,524 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 14:09:56,525 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:09:56" (1/1) ... [2019-09-20 14:09:56,526 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 14:09:56,555 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 14:09:56,555 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 14:09:56,572 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 14:09:56,581 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 14:09:56,583 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 14:09:56,760 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 14:09:57,029 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 14:09:58,101 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 14:09:58,361 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2019-09-20 14:09:58,506 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-20 14:09:58,752 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 14:09:58,872 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 14:09:59,685 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2019-09-20 14:10:00,056 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 14:10:00,386 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 14:10:00,714 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 14:10:01,040 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 14:10:01,387 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 14:10:01,691 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 14:10:01,986 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 14:10:02,391 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-20 14:10:02,660 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-20 14:10:03,639 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-20 14:10:04,410 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 14:10:04,911 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 14:10:05,514 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 14:10:06,271 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 101 [2019-09-20 14:10:06,708 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-20 14:10:07,224 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-20 14:10:07,620 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 83 [2019-09-20 14:10:07,796 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 14:10:07,961 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 14:10:08,385 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2019-09-20 14:10:12,112 WARN L191 SmtUtils]: Spent 3.51 s on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 14:10:14,899 WARN L191 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 14:10:17,420 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 14:10:19,118 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 14:10:20,422 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 14:10:21,428 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 14:10:22,400 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2019-09-20 14:10:23,081 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2019-09-20 14:10:23,591 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-20 14:10:24,086 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-20 14:10:24,519 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-09-20 14:10:24,847 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-20 14:10:36,137 WARN L191 SmtUtils]: Spent 11.21 s on a formula simplification that was a NOOP. DAG size: 139