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_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:27:27,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:27:27,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:27:27,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:27:27,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:27:27,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:27:27,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:27:27,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:27:27,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:27:27,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:27:27,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:27:27,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:27:27,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:27:27,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:27:27,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:27:27,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:27:27,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:27:27,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:27:27,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:27:27,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:27:27,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:27:27,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:27:27,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:27:27,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:27:27,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:27:27,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:27:27,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:27:27,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:27:27,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:27:27,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:27:27,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:27:27,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:27:27,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:27:27,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:27:27,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:27:27,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:27:27,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:27:27,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:27:27,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:27:27,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:27:27,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:27:27,486 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 17:27:27,513 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:27:27,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:27:27,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:27:27,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:27:27,516 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:27:27,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:27:27,516 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:27:27,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:27:27,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:27:27,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:27:27,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:27:27,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:27:27,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:27:27,518 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:27:27,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:27:27,518 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:27:27,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:27:27,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:27:27,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:27:27,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:27:27,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:27:27,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:27:27,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:27:27,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:27:27,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:27:27,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:27:27,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:27:27,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:27:27,521 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 17:27:27,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:27:27,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:27:27,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:27:27,587 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:27:27,587 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:27:27,588 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-20 17:27:27,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e28c8e546/4badf42f6e074734887dc7edf07a1c23/FLAG44fe67871 [2019-09-20 17:27:28,181 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:27:28,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-20 17:27:28,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e28c8e546/4badf42f6e074734887dc7edf07a1c23/FLAG44fe67871 [2019-09-20 17:27:28,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e28c8e546/4badf42f6e074734887dc7edf07a1c23 [2019-09-20 17:27:28,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:27:28,471 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:27:28,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:27:28,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:27:28,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:27:28,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:27:28" (1/1) ... [2019-09-20 17:27:28,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2768fcfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:28, skipping insertion in model container [2019-09-20 17:27:28,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:27:28" (1/1) ... [2019-09-20 17:27:28,485 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:27:28,534 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:27:29,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:27:29,039 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:27:29,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:27:29,184 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:27:29,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:29 WrapperNode [2019-09-20 17:27:29,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:27:29,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:27:29,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:27:29,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:27:29,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:29" (1/1) ... [2019-09-20 17:27:29,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:29" (1/1) ... [2019-09-20 17:27:29,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:29" (1/1) ... [2019-09-20 17:27:29,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:29" (1/1) ... [2019-09-20 17:27:29,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:29" (1/1) ... [2019-09-20 17:27:29,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:29" (1/1) ... [2019-09-20 17:27:29,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:29" (1/1) ... [2019-09-20 17:27:29,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:27:29,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:27:29,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:27:29,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:27:29,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:29" (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 17:27:29,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:27:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:27:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:27:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:27:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:27:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 17:27:29,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 17:27:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-20 17:27:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-20 17:27:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-20 17:27:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:27:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:27:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:27:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:27:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:27:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:27:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:27:29,323 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:27:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:27:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:27:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:27:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:27:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:27:29,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:27:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:27:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:27:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:27:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:27:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:27:29,325 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:27:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:27:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:27:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:27:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:27:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:27:29,326 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:27:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:27:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:27:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:27:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:27:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:27:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:27:29,327 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:27:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:27:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:27:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:27:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:27:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:27:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:27:29,328 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:27:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:27:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:27:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:27:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:27:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:27:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:27:29,329 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:27:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:27:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:27:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:27:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:27:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:27:29,330 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:27:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:27:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:27:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:27:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:27:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:27:29,331 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:27:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:27:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:27:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:27:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:27:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:27:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:27:29,332 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:27:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:27:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:27:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:27:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:27:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:27:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:27:29,333 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:27:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:27:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:27:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:27:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:27:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:27:29,334 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:27:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:27:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:27:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:27:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:27:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:27:29,335 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:27:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:27:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:27:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:27:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:27:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:27:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:27:29,336 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:27:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:27:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:27:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:27:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:27:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:27:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:27:29,337 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:27:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:27:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:27:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:27:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:27:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:27:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:27:29,338 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:27:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:27:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:27:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 17:27:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:27:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:27:29,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:27:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 17:27:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-20 17:27:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:27:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:27:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-20 17:27:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:27:29,340 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-20 17:27:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:27:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:27:29,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:27:29,824 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:27:30,040 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:27:30,040 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 17:27:30,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:27:30 BoogieIcfgContainer [2019-09-20 17:27:30,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:27:30,042 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:27:30,043 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:27:30,043 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:27:30,044 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:27:30" (1/1) ... [2019-09-20 17:27:30,045 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 17:27:30,069 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:27:30,069 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:27:30,076 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:27:30,084 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:27:30,086 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:27:30,263 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:27:30,393 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:27:31,084 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-20 17:27:31,364 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:27:31,622 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:27:31,777 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 17:27:31,908 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 17:27:32,126 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-20 17:27:32,283 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 17:27:32,600 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 17:27:32,727 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:27:32,835 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:27:33,069 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-09-20 17:27:33,865 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2019-09-20 17:27:34,253 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:27:34,685 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:27:35,032 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:27:35,394 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:27:35,717 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:27:36,043 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:27:36,385 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:27:36,667 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:27:37,039 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-20 17:27:41,915 WARN L191 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 232 DAG size of output: 135 [2019-09-20 17:27:43,252 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 17:27:44,413 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:27:45,166 WARN L191 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:27:45,946 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-09-20 17:27:46,482 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-20 17:27:46,925 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-09-20 17:27:47,331 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2019-09-20 17:27:47,523 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:27:47,720 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:27:48,134 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-20 17:27:48,598 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2019-09-20 17:27:48,809 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 17:27:49,268 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2019-09-20 17:27:50,602 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 164 DAG size of output: 163 [2019-09-20 17:27:51,283 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 17:27:51,938 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 17:27:52,601 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-20 17:27:53,226 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 17:27:53,844 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-20 17:27:54,467 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-20 17:27:55,067 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 17:27:55,632 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:27:56,183 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 17:27:56,714 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 17:27:57,638 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-20 17:27:57,669 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:27:57,941 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:27:58,211 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 17:27:58,724 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-20 17:27:58,781 WARN L225 Elim1Store]: Array PQE input equivalent to false