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 SequenceOfStatements --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 18:29:15,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:29:15,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:29:15,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:29:15,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:29:15,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:29:15,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:29:15,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:29:15,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:29:15,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:29:15,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:29:15,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:29:15,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:29:15,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:29:15,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:29:15,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:29:15,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:29:15,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:29:15,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:29:15,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:29:15,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:29:15,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:29:15,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:29:15,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:29:15,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:29:15,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:29:15,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:29:15,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:29:15,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:29:15,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:29:15,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:29:15,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:29:15,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:29:15,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:29:15,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:29:15,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:29:15,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:29:15,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:29:15,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:29:15,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:29:15,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:29:15,500 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 18:29:15,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:29:15,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:29:15,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:29:15,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:29:15,516 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:29:15,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:29:15,517 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:29:15,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:29:15,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:29:15,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:29:15,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:29:15,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:29:15,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:29:15,518 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:29:15,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:29:15,519 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:29:15,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:29:15,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:29:15,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:29:15,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:29:15,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:29:15,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:29:15,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:29:15,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:29:15,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:29:15,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:29:15,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:29:15,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:29:15,521 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 -> SequenceOfStatements 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 18:29:15,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:29:15,568 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:29:15,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:29:15,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:29:15,574 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:29:15,574 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_prepend_unequal.i [2019-09-20 18:29:15,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe60ad42/f4b03b982fda4daeb9d752552bdbc78b/FLAG47c474ee1 [2019-09-20 18:29:16,201 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:29:16,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_prepend_unequal.i [2019-09-20 18:29:16,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe60ad42/f4b03b982fda4daeb9d752552bdbc78b/FLAG47c474ee1 [2019-09-20 18:29:16,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfe60ad42/f4b03b982fda4daeb9d752552bdbc78b [2019-09-20 18:29:16,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:29:16,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:29:16,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:29:16,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:29:16,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:29:16,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:29:16" (1/1) ... [2019-09-20 18:29:16,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3487382d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:16, skipping insertion in model container [2019-09-20 18:29:16,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:29:16" (1/1) ... [2019-09-20 18:29:16,503 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:29:16,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:29:16,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:29:16,994 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:29:17,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:29:17,131 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:29:17,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:17 WrapperNode [2019-09-20 18:29:17,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:29:17,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:29:17,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:29:17,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:29:17,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:17" (1/1) ... [2019-09-20 18:29:17,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:17" (1/1) ... [2019-09-20 18:29:17,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:17" (1/1) ... [2019-09-20 18:29:17,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:17" (1/1) ... [2019-09-20 18:29:17,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:17" (1/1) ... [2019-09-20 18:29:17,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:17" (1/1) ... [2019-09-20 18:29:17,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:17" (1/1) ... [2019-09-20 18:29:17,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:29:17,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:29:17,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:29:17,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:29:17,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:29:17" (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 18:29:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:29:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:29:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 18:29:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 18:29:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 18:29:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 18:29:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 18:29:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-20 18:29:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_prepend [2019-09-20 18:29:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:29:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:29:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 18:29:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 18:29:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 18:29:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 18:29:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 18:29:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 18:29:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 18:29:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 18:29:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 18:29:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 18:29:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 18:29:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 18:29:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 18:29:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 18:29:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 18:29:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 18:29:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 18:29:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 18:29:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 18:29:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 18:29:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 18:29:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 18:29:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 18:29:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 18:29:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 18:29:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 18:29:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 18:29:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 18:29:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 18:29:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 18:29:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 18:29:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 18:29:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 18:29:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 18:29:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 18:29:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 18:29:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 18:29:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 18:29:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 18:29:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 18:29:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 18:29:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 18:29:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 18:29:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 18:29:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 18:29:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 18:29:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 18:29:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 18:29:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 18:29:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 18:29:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 18:29:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 18:29:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 18:29:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 18:29:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 18:29:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 18:29:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 18:29:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 18:29:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 18:29:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 18:29:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 18:29:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 18:29:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 18:29:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 18:29:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 18:29:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 18:29:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 18:29:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 18:29:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 18:29:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 18:29:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 18:29:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 18:29:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 18:29:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 18:29:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 18:29:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 18:29:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 18:29:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 18:29:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 18:29:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 18:29:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 18:29:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 18:29:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 18:29:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 18:29:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 18:29:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 18:29:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 18:29:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 18:29:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 18:29:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 18:29:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 18:29:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 18:29:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 18:29:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 18:29:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 18:29:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 18:29:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 18:29:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 18:29:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 18:29:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 18:29:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 18:29:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 18:29:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 18:29:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 18:29:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 18:29:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 18:29:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 18:29:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 18:29:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 18:29:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:29:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 18:29:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-20 18:29:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 18:29:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:29:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_prepend [2019-09-20 18:29:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:29:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:29:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 18:29:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:29:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:29:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:29:17,764 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 18:29:17,974 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:29:17,975 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 18:29:17,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:29:17 BoogieIcfgContainer [2019-09-20 18:29:17,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:29:17,977 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:29:17,977 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:29:17,977 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:29:17,979 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:29:17" (1/1) ... [2019-09-20 18:29:17,979 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 18:29:18,003 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:29:18,003 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:29:18,011 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:29:18,019 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:29:18,021 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:29:18,166 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 18:29:18,382 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-09-20 18:29:18,479 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 18:29:19,910 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-20 18:29:20,064 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-20 18:29:20,814 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-09-20 18:29:21,099 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 18:29:21,370 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 18:29:21,845 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2019-09-20 18:29:22,208 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-09-20 18:29:22,702 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:29:22,849 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:29:23,083 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 18:29:23,535 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-09-20 18:29:23,971 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-20 18:29:24,350 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-20 18:29:24,509 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 18:29:25,568 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 126 [2019-09-20 18:29:26,061 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 18:29:26,554 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 18:29:27,013 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 18:29:27,467 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 18:29:27,898 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 18:29:28,326 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 18:29:28,700 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 18:29:29,257 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-20 18:29:29,473 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 18:29:29,714 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 18:29:29,890 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 18:29:30,060 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 18:29:30,218 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 18:29:30,369 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 18:29:30,518 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:29:30,682 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:29:30,817 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:29:31,194 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-20 18:29:31,255 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:29:31,386 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:29:31,596 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:29:32,746 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 18:29:33,385 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2019-09-20 18:29:33,974 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-20 18:29:34,493 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2019-09-20 18:29:34,921 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 51 [2019-09-20 18:29:40,526 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 18:29:47,881 WARN L191 SmtUtils]: Spent 6.33 s on a formula simplification. DAG size of input: 142 DAG size of output: 132 [2019-09-20 18:29:51,554 WARN L191 SmtUtils]: Spent 3.61 s on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 18:29:55,657 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 18:29:56,877 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 67 [2019-09-20 18:29:57,479 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 69 [2019-09-20 18:30:02,943 WARN L191 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 179 DAG size of output: 150 [2019-09-20 18:30:04,117 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 80