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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:27:21,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:27:21,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:27:21,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:27:21,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:27:21,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:27:21,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:27:21,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:27:21,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:27:21,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:27:21,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:27:21,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:27:21,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:27:21,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:27:21,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:27:21,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:27:21,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:27:21,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:27:21,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:27:21,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:27:21,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:27:21,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:27:21,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:27:21,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:27:21,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:27:21,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:27:21,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:27:21,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:27:21,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:27:21,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:27:21,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:27:21,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:27:21,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:27:21,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:27:21,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:27:21,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:27:21,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:27:21,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:27:21,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:27:21,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:27:21,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:27:21,581 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 22:27:21,616 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:27:21,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:27:21,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:27:21,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:27:21,623 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:27:21,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:27:21,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:27:21,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:27:21,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:27:21,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:27:21,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:27:21,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:27:21,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:27:21,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:27:21,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:27:21,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:27:21,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:27:21,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:27:21,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:27:21,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:27:21,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:27:21,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:27:21,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:27:21,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:27:21,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:27:21,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:27:21,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:27:21,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:27:21,631 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:27:21,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:27:21,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:27:21,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:27:21,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:27:21,707 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:27:21,708 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-20 22:27:21,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c80368fe/25fd6165df4c4d7cb148012632eb3529/FLAG0a421ab63 [2019-09-20 22:27:22,346 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:27:22,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-20 22:27:22,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c80368fe/25fd6165df4c4d7cb148012632eb3529/FLAG0a421ab63 [2019-09-20 22:27:22,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c80368fe/25fd6165df4c4d7cb148012632eb3529 [2019-09-20 22:27:22,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:27:22,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:27:22,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:22,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:27:22,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:27:22,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:22" (1/1) ... [2019-09-20 22:27:22,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab6824a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:22, skipping insertion in model container [2019-09-20 22:27:22,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:22" (1/1) ... [2019-09-20 22:27:22,684 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:27:22,736 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:27:23,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:23,232 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:27:23,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:23,343 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:27:23,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:23 WrapperNode [2019-09-20 22:27:23,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:23,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:27:23,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:27:23,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:27:23,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:23" (1/1) ... [2019-09-20 22:27:23,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:23" (1/1) ... [2019-09-20 22:27:23,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:23" (1/1) ... [2019-09-20 22:27:23,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:23" (1/1) ... [2019-09-20 22:27:23,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:23" (1/1) ... [2019-09-20 22:27:23,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:23" (1/1) ... [2019-09-20 22:27:23,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:23" (1/1) ... [2019-09-20 22:27:23,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:27:23,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:27:23,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:27:23,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:27:23,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:23" (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 22:27:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:27:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:27:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 22:27:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 22:27:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 22:27:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 22:27:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 22:27:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 22:27:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert [2019-09-20 22:27:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:27:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:27:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 22:27:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 22:27:23,490 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 22:27:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 22:27:23,491 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 22:27:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 22:27:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 22:27:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 22:27:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 22:27:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 22:27:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 22:27:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 22:27:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 22:27:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 22:27:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 22:27:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 22:27:23,496 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 22:27:23,496 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 22:27:23,496 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 22:27:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 22:27:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 22:27:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 22:27:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 22:27:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 22:27:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 22:27:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 22:27:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 22:27:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 22:27:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 22:27:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 22:27:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 22:27:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 22:27:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 22:27:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 22:27:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 22:27:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 22:27:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 22:27:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 22:27:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 22:27:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 22:27:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 22:27:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 22:27:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 22:27:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 22:27:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 22:27:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 22:27:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 22:27:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 22:27:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 22:27:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 22:27:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 22:27:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 22:27:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:27:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 22:27:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 22:27:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:27:23,504 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 22:27:23,505 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 22:27:23,506 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 22:27:23,506 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 22:27:23,506 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 22:27:23,506 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 22:27:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 22:27:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 22:27:23,507 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 22:27:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 22:27:23,508 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 22:27:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 22:27:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 22:27:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 22:27:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 22:27:23,509 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 22:27:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 22:27:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 22:27:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 22:27:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 22:27:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 22:27:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 22:27:23,510 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 22:27:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 22:27:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 22:27:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 22:27:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 22:27:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 22:27:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 22:27:23,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 22:27:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 22:27:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 22:27:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 22:27:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 22:27:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 22:27:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 22:27:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 22:27:23,512 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 22:27:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 22:27:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 22:27:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 22:27:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 22:27:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 22:27:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 22:27:23,513 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 22:27:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 22:27:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 22:27:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 22:27:23,514 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 22:27:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 22:27:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 22:27:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:27:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:27:23,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:27:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 22:27:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 22:27:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:27:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:27:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert [2019-09-20 22:27:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:27:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:27:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 22:27:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:27:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:27:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:27:23,939 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 22:27:24,806 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:27:24,806 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 22:27:24,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:24 BoogieIcfgContainer [2019-09-20 22:27:24,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:27:24,808 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:27:24,809 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:27:24,809 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:27:24,810 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:27:24" (1/1) ... [2019-09-20 22:27:24,811 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:27:24,834 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:27:24,835 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:27:24,843 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:27:24,852 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:27:24,854 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:27:25,043 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:27:25,965 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:26,706 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:27,060 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:27,488 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 22:27:28,052 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 22:27:28,699 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-20 22:27:29,261 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-20 22:27:29,650 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-09-20 22:27:29,715 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 22:27:30,404 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 22:27:30,822 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:31,154 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:31,521 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 22:27:31,966 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 22:27:32,614 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-20 22:27:33,087 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-20 22:27:33,727 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:34,259 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:34,721 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:35,096 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 22:27:35,585 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 22:27:36,182 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-20 22:27:36,687 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-20 22:27:37,088 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 75 [2019-09-20 22:27:37,798 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:38,351 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:38,685 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:39,034 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 22:27:39,462 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 22:27:40,100 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-20 22:27:40,609 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-20 22:27:41,304 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 22:27:41,783 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 22:27:42,066 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 22:27:42,439 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 22:27:42,851 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 22:27:43,436 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2019-09-20 22:27:43,961 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-20 22:27:44,334 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 67 [2019-09-20 22:28:00,163 WARN L191 SmtUtils]: Spent 13.42 s on a formula simplification that was a NOOP. DAG size: 182