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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:29:00,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:29:00,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:29:00,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:29:00,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:29:00,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:29:00,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:29:00,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:29:00,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:29:00,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:29:00,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:29:00,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:29:00,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:29:00,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:29:00,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:29:00,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:29:00,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:29:00,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:29:00,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:29:00,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:29:00,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:29:00,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:29:00,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:29:00,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:29:00,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:29:00,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:29:00,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:29:00,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:29:00,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:29:00,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:29:00,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:29:00,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:29:00,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:29:00,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:29:00,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:29:00,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:29:00,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:29:00,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:29:00,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:29:00,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:29:00,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:29:00,540 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 19:29:00,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:29:00,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:29:00,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:29:00,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:29:00,557 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:29:00,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:29:00,557 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:29:00,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:29:00,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:29:00,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:29:00,558 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:29:00,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:29:00,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:29:00,559 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:29:00,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:29:00,559 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:29:00,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:29:00,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:29:00,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:29:00,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:29:00,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:29:00,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:29:00,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:29:00,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:29:00,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:29:00,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:29:00,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:29:00,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:29:00,562 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 -> SingleStatement 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 19:29:00,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:29:00,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:29:00,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:29:00,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:29:00,617 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:29:00,618 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2019-09-20 19:29:00,691 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f29a268/06e03367b99a41808357fc9aaa5d0330/FLAG5a957cabe [2019-09-20 19:29:01,248 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:29:01,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2019-09-20 19:29:01,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f29a268/06e03367b99a41808357fc9aaa5d0330/FLAG5a957cabe [2019-09-20 19:29:01,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f29a268/06e03367b99a41808357fc9aaa5d0330 [2019-09-20 19:29:01,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:29:01,549 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:29:01,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:01,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:29:01,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:29:01,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f2e4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:01, skipping insertion in model container [2019-09-20 19:29:01,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:01" (1/1) ... [2019-09-20 19:29:01,565 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:29:01,620 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:29:02,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:02,085 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:29:02,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:02,204 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:29:02,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:02 WrapperNode [2019-09-20 19:29:02,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:02,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:29:02,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:29:02,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:29:02,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:02" (1/1) ... [2019-09-20 19:29:02,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:02" (1/1) ... [2019-09-20 19:29:02,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:02" (1/1) ... [2019-09-20 19:29:02,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:02" (1/1) ... [2019-09-20 19:29:02,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:02" (1/1) ... [2019-09-20 19:29:02,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:02" (1/1) ... [2019-09-20 19:29:02,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:02" (1/1) ... [2019-09-20 19:29:02,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:29:02,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:29:02,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:29:02,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:29:02,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:02" (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 19:29:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:29:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:29:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 19:29:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 19:29:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 19:29:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 19:29:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 19:29:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_first [2019-09-20 19:29:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:29:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:29:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 19:29:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 19:29:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 19:29:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 19:29:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 19:29:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 19:29:02,331 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 19:29:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 19:29:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 19:29:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 19:29:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 19:29:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 19:29:02,332 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 19:29:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 19:29:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 19:29:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 19:29:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 19:29:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 19:29:02,333 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 19:29:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 19:29:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 19:29:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 19:29:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 19:29:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 19:29:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 19:29:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 19:29:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 19:29:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 19:29:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 19:29:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 19:29:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 19:29:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 19:29:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 19:29:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 19:29:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 19:29:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 19:29:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 19:29:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 19:29:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 19:29:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 19:29:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 19:29:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 19:29:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 19:29:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 19:29:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 19:29:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 19:29:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 19:29:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 19:29:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 19:29:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 19:29:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 19:29:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 19:29:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:29:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 19:29:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 19:29:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:29:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 19:29:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 19:29:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 19:29:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 19:29:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 19:29:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 19:29:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 19:29:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 19:29:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 19:29:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 19:29:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 19:29:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 19:29:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 19:29:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 19:29:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 19:29:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 19:29:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 19:29:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 19:29:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 19:29:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 19:29:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 19:29:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 19:29:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 19:29:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 19:29:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 19:29:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 19:29:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 19:29:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 19:29:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 19:29:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 19:29:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 19:29:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 19:29:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 19:29:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 19:29:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 19:29:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 19:29:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 19:29:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 19:29:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 19:29:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 19:29:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 19:29:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 19:29:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 19:29:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 19:29:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 19:29:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 19:29:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 19:29:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 19:29:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 19:29:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 19:29:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 19:29:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:29:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:29:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:29:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 19:29:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_first [2019-09-20 19:29:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:29:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:29:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:29:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:29:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 19:29:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:29:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:29:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:29:02,681 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 19:29:02,902 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:29:02,903 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 19:29:02,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:02 BoogieIcfgContainer [2019-09-20 19:29:02,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:29:02,907 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:29:02,907 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:29:02,907 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:29:02,910 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:02" (1/1) ... [2019-09-20 19:29:02,911 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 19:29:02,938 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:29:02,938 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:29:02,951 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:29:02,962 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:29:02,967 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:29:03,110 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 19:29:03,403 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 19:29:04,132 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2019-09-20 19:29:04,824 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:29:04,967 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 19:29:05,475 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-09-20 19:29:05,627 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 19:29:05,805 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 19:29:05,952 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 19:29:06,121 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 19:29:06,258 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 19:29:06,413 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 19:29:06,560 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 19:29:06,689 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 19:29:06,805 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 19:29:06,928 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-09-20 19:29:07,277 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 19:29:07,912 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:275) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:263) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:237) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:81) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-09-20 19:29:07,918 INFO L168 Benchmark]: Toolchain (without parser) took 6369.26 ms. Allocated memory was 141.6 MB in the beginning and 302.5 MB in the end (delta: 161.0 MB). Free memory was 88.0 MB in the beginning and 230.7 MB in the end (delta: -142.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:07,919 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:29:07,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.28 ms. Allocated memory was 141.6 MB in the beginning and 201.9 MB in the end (delta: 60.3 MB). Free memory was 87.8 MB in the beginning and 166.4 MB in the end (delta: -78.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:07,920 INFO L168 Benchmark]: Boogie Preprocessor took 63.87 ms. Allocated memory is still 201.9 MB. Free memory was 166.4 MB in the beginning and 163.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:07,921 INFO L168 Benchmark]: RCFGBuilder took 636.52 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 117.0 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:07,922 INFO L168 Benchmark]: Sifa took 5009.60 ms. Allocated memory was 201.9 MB in the beginning and 302.5 MB in the end (delta: 100.7 MB). Free memory was 117.0 MB in the beginning and 230.7 MB in the end (delta: -113.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 19:29:07,925 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.28 ms. Allocated memory was 141.6 MB in the beginning and 201.9 MB in the end (delta: 60.3 MB). Free memory was 87.8 MB in the beginning and 166.4 MB in the end (delta: -78.6 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.87 ms. Allocated memory is still 201.9 MB. Free memory was 166.4 MB in the beginning and 163.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 636.52 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 117.0 MB in the end (delta: 46.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. * Sifa took 5009.60 ms. Allocated memory was 201.9 MB in the beginning and 302.5 MB in the end (delta: 100.7 MB). Free memory was 117.0 MB in the beginning and 230.7 MB in the end (delta: -113.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.sifa: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...