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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:12:27,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:12:27,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:12:27,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:12:27,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:12:27,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:12:27,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:12:27,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:12:27,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:12:27,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:12:27,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:12:27,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:12:27,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:12:27,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:12:27,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:12:27,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:12:27,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:12:27,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:12:27,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:12:27,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:12:27,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:12:27,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:12:27,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:12:27,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:12:27,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:12:27,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:12:27,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:12:27,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:12:27,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:12:27,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:12:27,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:12:27,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:12:27,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:12:27,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:12:27,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:12:27,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:12:27,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:12:27,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:12:27,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:12:27,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:12:27,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:12:27,708 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 [2019-09-21 09:12:27,723 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:12:27,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:12:27,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:12:27,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:12:27,725 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:12:27,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:12:27,726 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:12:27,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:12:27,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:12:27,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:12:27,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:12:27,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:12:27,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:12:27,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:12:27,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:12:27,728 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:12:27,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:12:27,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:12:27,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:12:27,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:12:27,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:12:27,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:12:27,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:12:27,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:12:27,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:12:27,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:12:27,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:12:27,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:12:27,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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_QUICK [2019-09-21 09:12:27,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:12:27,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:12:27,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:12:27,780 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:12:27,780 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:12:27,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2019-09-21 09:12:27,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c044c00/3548926076e447d3a9ec690f87fdf0a5/FLAG55680bc7c [2019-09-21 09:12:28,389 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:12:28,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2019-09-21 09:12:28,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c044c00/3548926076e447d3a9ec690f87fdf0a5/FLAG55680bc7c [2019-09-21 09:12:28,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38c044c00/3548926076e447d3a9ec690f87fdf0a5 [2019-09-21 09:12:28,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:12:28,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:12:28,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:12:28,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:12:28,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:12:28,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:12:28" (1/1) ... [2019-09-21 09:12:28,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d58fe9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:28, skipping insertion in model container [2019-09-21 09:12:28,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:12:28" (1/1) ... [2019-09-21 09:12:28,706 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:12:28,753 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:12:29,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:12:29,258 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:12:29,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:12:29,372 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:12:29,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:29 WrapperNode [2019-09-21 09:12:29,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:12:29,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:12:29,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:12:29,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:12:29,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:29" (1/1) ... [2019-09-21 09:12:29,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:29" (1/1) ... [2019-09-21 09:12:29,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:29" (1/1) ... [2019-09-21 09:12:29,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:29" (1/1) ... [2019-09-21 09:12:29,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:29" (1/1) ... [2019-09-21 09:12:29,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:29" (1/1) ... [2019-09-21 09:12:29,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:29" (1/1) ... [2019-09-21 09:12:29,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:12:29,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:12:29,444 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:12:29,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:12:29,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:12:29" (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 [2019-09-21 09:12:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:12:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:12:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-21 09:12:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-21 09:12:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-21 09:12:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-21 09:12:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-21 09:12:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-21 09:12:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-09-21 09:12:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-09-21 09:12:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:12:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:12:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-21 09:12:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-21 09:12:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-21 09:12:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-21 09:12:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-21 09:12:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-21 09:12:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-21 09:12:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-21 09:12:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-21 09:12:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-21 09:12:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-21 09:12:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-21 09:12:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-21 09:12:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-21 09:12:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-21 09:12:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-21 09:12:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-21 09:12:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-21 09:12:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-21 09:12:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-21 09:12:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-21 09:12:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-21 09:12:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-21 09:12:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-21 09:12:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-21 09:12:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-21 09:12:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-21 09:12:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-21 09:12:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-21 09:12:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-21 09:12:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-21 09:12:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-21 09:12:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-21 09:12:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-21 09:12:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-21 09:12:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-21 09:12:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-21 09:12:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-21 09:12:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-21 09:12:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-21 09:12:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-21 09:12:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-21 09:12:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-21 09:12:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-21 09:12:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-21 09:12:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-21 09:12:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-21 09:12:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-21 09:12:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-21 09:12:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-21 09:12:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-21 09:12:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-21 09:12:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-21 09:12:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-21 09:12:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-21 09:12:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-21 09:12:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-21 09:12:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-21 09:12:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-21 09:12:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-21 09:12:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-21 09:12:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-21 09:12:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-21 09:12:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-21 09:12:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-21 09:12:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-21 09:12:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-21 09:12:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-21 09:12:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-21 09:12:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-21 09:12:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-21 09:12:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-21 09:12:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-21 09:12:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-21 09:12:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-21 09:12:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-21 09:12:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-21 09:12:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-21 09:12:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-21 09:12:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-21 09:12:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-21 09:12:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-21 09:12:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-21 09:12:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-21 09:12:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-21 09:12:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-21 09:12:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-21 09:12:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-21 09:12:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-21 09:12:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-21 09:12:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-21 09:12:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-21 09:12:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-21 09:12:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-21 09:12:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-21 09:12:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-21 09:12:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-21 09:12:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-21 09:12:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-21 09:12:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-21 09:12:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-21 09:12:29,522 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-21 09:12:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-21 09:12:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-21 09:12:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-21 09:12:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-21 09:12:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-21 09:12:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-21 09:12:29,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-21 09:12:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-21 09:12:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-21 09:12:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-21 09:12:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-21 09:12:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-21 09:12:29,524 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-09-21 09:12:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-21 09:12:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-09-21 09:12:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:12:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:12:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:12:29,983 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-21 09:12:30,211 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:12:30,212 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-21 09:12:30,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:12:30 BoogieIcfgContainer [2019-09-21 09:12:30,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:12:30,214 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:12:30,214 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:12:30,215 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:12:30,216 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:12:30" (1/1) ... [2019-09-21 09:12:30,217 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:12:30,242 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:12:30,242 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:12:30,251 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:12:30,260 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:12:30,262 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:12:30,417 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-21 09:12:30,498 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-21 09:12:30,969 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:12:30,970 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:12:30,971 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 97#(and (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~expected~0 3) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (<= main_~i~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-09-21 09:12:30,984 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:12:30,985 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:12:30,989 INFO L168 Benchmark]: Toolchain (without parser) took 2299.15 ms. Allocated memory was 131.6 MB in the beginning and 220.2 MB in the end (delta: 88.6 MB). Free memory was 85.1 MB in the beginning and 173.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 629.4 kB. Max. memory is 7.1 GB. [2019-09-21 09:12:30,990 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-21 09:12:30,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.28 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 84.9 MB in the beginning and 162.4 MB in the end (delta: -77.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:30,992 INFO L168 Benchmark]: Boogie Preprocessor took 65.71 ms. Allocated memory is still 199.2 MB. Free memory was 162.4 MB in the beginning and 159.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:30,992 INFO L168 Benchmark]: RCFGBuilder took 770.46 ms. Allocated memory is still 199.2 MB. Free memory was 159.3 MB in the beginning and 103.6 MB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:12:30,993 INFO L168 Benchmark]: Sifa took 770.74 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 103.6 MB in the beginning and 173.1 MB in the end (delta: -69.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:12:30,997 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.28 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 84.9 MB in the beginning and 162.4 MB in the end (delta: -77.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.71 ms. Allocated memory is still 199.2 MB. Free memory was 162.4 MB in the beginning and 159.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 770.46 ms. Allocated memory is still 199.2 MB. Free memory was 159.3 MB in the beginning and 103.6 MB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 7.1 GB. * Sifa took 770.74 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 103.6 MB in the beginning and 173.1 MB in the end (delta: -69.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 730, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 64, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 44, TOOLS_POST_TIME[ms]: 429, TOOLS_POST_CALL_APPLICATIONS: 14, TOOLS_POST_CALL_TIME[ms]: 70, TOOLS_POST_RETURN_APPLICATIONS: 13, TOOLS_POST_RETURN_TIME[ms]: 24, TOOLS_QUANTIFIERELIM_APPLICATIONS: 71, TOOLS_QUANTIFIERELIM_TIME[ms]: 484, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 94, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 75, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 78, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 9, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 488, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 487, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 11, CALL_SUMMARIZER_APPLICATIONS: 13, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 514, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 513, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 19, DAG_COMPRESSION_PROCESSED_NODES: 160, DAG_COMPRESSION_RETAINED_NODES: 71 - UnprovableResult [Line: 619]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 97#(and (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~expected~0 3) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (<= main_~i~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...