java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 17:28:19,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:28:19,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:28:19,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:28:19,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:28:19,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:28:19,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:28:19,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:28:19,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:28:19,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:28:19,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:28:19,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:28:19,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:28:19,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:28:19,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:28:19,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:28:19,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:28:19,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:28:19,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:28:19,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:28:19,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:28:19,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:28:19,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:28:19,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:28:19,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:28:19,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:28:19,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:28:19,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:28:19,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:28:19,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:28:19,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:28:19,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:28:19,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:28:19,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:28:19,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:28:19,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:28:19,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:28:19,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:28:19,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:28:19,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:28:19,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:28:19,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 17:28:19,303 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:28:19,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:28:19,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:28:19,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:28:19,308 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:28:19,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:28:19,308 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:28:19,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:28:19,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:28:19,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:28:19,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:28:19,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:28:19,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:28:19,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:28:19,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:28:19,312 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:28:19,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:28:19,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:28:19,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:28:19,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:28:19,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:28:19,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:28:19,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:28:19,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:28:19,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:28:19,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:28:19,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:28:19,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:28:19,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 17:28:19,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:28:19,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:28:19,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:28:19,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:28:19,407 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:28:19,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-09-20 17:28:19,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28ece11a4/8d5f12ebad2848aabb144fde751b0267/FLAGdbb8398fd [2019-09-20 17:28:19,982 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:28:19,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all.i [2019-09-20 17:28:19,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28ece11a4/8d5f12ebad2848aabb144fde751b0267/FLAGdbb8398fd [2019-09-20 17:28:20,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28ece11a4/8d5f12ebad2848aabb144fde751b0267 [2019-09-20 17:28:20,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:28:20,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:28:20,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:20,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:28:20,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:28:20,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:20" (1/1) ... [2019-09-20 17:28:20,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44389939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:20, skipping insertion in model container [2019-09-20 17:28:20,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:28:20" (1/1) ... [2019-09-20 17:28:20,312 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:28:20,358 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:28:20,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:20,768 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:28:20,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:28:20,907 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:28:20,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:20 WrapperNode [2019-09-20 17:28:20,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:28:20,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:28:20,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:28:20,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:28:20,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:20" (1/1) ... [2019-09-20 17:28:20,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:20" (1/1) ... [2019-09-20 17:28:20,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:20" (1/1) ... [2019-09-20 17:28:20,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:20" (1/1) ... [2019-09-20 17:28:20,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:20" (1/1) ... [2019-09-20 17:28:20,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:20" (1/1) ... [2019-09-20 17:28:20,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:20" (1/1) ... [2019-09-20 17:28:20,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:28:20,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:28:20,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:28:20,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:28:20,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:28:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:28:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:28:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:28:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:28:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:28:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:28:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 17:28:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-20 17:28:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-20 17:28:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-09-20 17:28:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-09-20 17:28:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:28:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:28:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:28:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:28:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:28:21,031 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:28:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:28:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:28:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:28:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:28:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:28:21,032 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:28:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:28:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:28:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:28:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:28:21,033 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:28:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:28:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:28:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:28:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:28:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:28:21,034 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:28:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:28:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:28:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:28:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:28:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:28:21,035 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:28:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:28:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:28:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:28:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:28:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:28:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:28:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:28:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:28:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:28:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:28:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:28:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:28:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:28:21,037 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:28:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:28:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:28:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:28:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:28:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:28:21,038 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:28:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:28:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:28:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:28:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:28:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:28:21,039 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:28:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:28:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:28:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:28:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:28:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:28:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:28:21,040 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:28:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:28:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:28:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:28:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:28:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:28:21,041 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:28:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:28:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:28:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:28:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:28:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:28:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:28:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:28:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:28:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:28:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:28:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:28:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:28:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:28:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:28:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:28:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:28:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:28:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:28:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:28:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:28:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:28:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:28:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:28:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:28:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:28:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:28:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:28:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:28:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:28:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:28:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:28:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:28:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:28:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:28:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:28:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:28:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:28:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:28:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:28:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:28:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 17:28:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:28:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:28:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:28:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-20 17:28:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-20 17:28:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:28:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:28:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-09-20 17:28:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:28:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-09-20 17:28:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:28:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:28:21,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:28:21,474 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:28:21,762 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:28:21,763 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 17:28:21,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:21 BoogieIcfgContainer [2019-09-20 17:28:21,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:28:21,765 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:28:21,765 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:28:21,766 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:28:21,767 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:28:21" (1/1) ... [2019-09-20 17:28:21,768 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 17:28:21,797 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:28:21,797 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:28:21,813 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:28:21,822 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:28:21,824 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:28:22,046 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:28:22,177 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:28:23,383 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-20 17:28:23,708 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2019-09-20 17:28:23,845 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:28:23,992 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 17:28:24,119 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 17:28:24,252 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 17:28:24,568 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:28:24,768 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 17:28:24,934 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:28:25,098 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:28:25,234 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-20 17:28:25,361 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 17:28:25,468 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 17:28:25,594 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 17:28:25,844 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-20 17:28:26,107 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-20 17:28:26,212 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 17:28:26,457 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-20 17:28:27,041 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2019-09-20 17:28:27,288 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 17:28:27,521 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 17:28:27,752 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:28:27,980 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:28:28,196 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:28:28,400 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 17:28:28,591 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 17:28:28,767 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-20 17:28:28,939 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 17:28:29,559 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:28:30,046 WARN L191 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:28:30,404 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:28:30,750 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:28:31,009 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:28:31,342 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 17:28:31,631 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 17:28:31,813 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 17:28:31,975 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 17:28:32,130 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 17:28:32,705 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2019-09-20 17:28:32,854 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 17:28:33,003 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 17:28:33,533 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-09-20 17:28:34,303 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-20 17:28:34,549 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 17:28:34,718 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-20 17:28:34,877 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-20 17:28:35,327 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-20 17:28:35,541 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 17:28:36,367 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-20 17:28:36,909 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-20 17:28:37,572 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:28:37,573 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:28:37,577 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 256#(exists ((v_prenex_38 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_prenex_37 Int) (v_prenex_39 Int) (v_prenex_34 Int) (v_prenex_36 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_35 Int) (v_prenex_21 Int) (v_prenex_20 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_39) v_prenex_38))) (= main_~new_data~0 main_~len~0) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_prenex_39) v_prenex_38) 2147483648)) (<= (select (select |#memory_int| v_prenex_39) v_prenex_38) 2147483647) (< main_~i~0 main_~len~0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (= main_~i~0 0)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_prenex_35) v_prenex_34) 2147483648)) (= (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 1) (+ main_~i~0 main_~len~0)) (= main_~new_data~0 main_~len~0) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_35) v_prenex_34) 2147483647) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_35) v_prenex_34))) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_20) v_prenex_21) 2147483648)) (<= main_~data~0 1) (not (= main_~expected~0 (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2))) (< main_~i~0 (+ main_~len~0 1)) (<= (+ main_~len~0 1) main_~new_data~0) (< main_~i~0 main_~len~0) (= (+ (select (select |#memory_int| v_prenex_20) v_prenex_21) 1) (+ main_~i~0 main_~len~0)) (<= (select (select |#memory_int| v_prenex_20) v_prenex_21) 2147483647) (= (+ main_~i~0 (- 1)) 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_prenex_37) v_prenex_36) 2147483648)) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (not (= (select (select |#memory_int| v_prenex_37) v_prenex_36) main_~expected~0)) (<= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_37) v_prenex_36) 2147483647) (<= (+ main_~len~0 1) main_~new_data~0) (< main_~i~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3) (= main_~i~0 0)))) [2019-09-20 17:28:37,593 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:28:37,593 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:28:37,597 INFO L168 Benchmark]: Toolchain (without parser) took 17297.84 ms. Allocated memory was 140.5 MB in the beginning and 407.9 MB in the end (delta: 267.4 MB). Free memory was 86.8 MB in the beginning and 215.7 MB in the end (delta: -128.9 MB). Peak memory consumption was 138.5 MB. Max. memory is 7.1 GB. [2019-09-20 17:28:37,598 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:28:37,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.85 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.6 MB in the beginning and 163.0 MB in the end (delta: -76.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-20 17:28:37,601 INFO L168 Benchmark]: Boogie Preprocessor took 62.53 ms. Allocated memory is still 200.8 MB. Free memory was 163.0 MB in the beginning and 159.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-20 17:28:37,602 INFO L168 Benchmark]: RCFGBuilder took 793.32 ms. Allocated memory is still 200.8 MB. Free memory was 159.9 MB in the beginning and 104.4 MB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2019-09-20 17:28:37,604 INFO L168 Benchmark]: Sifa took 15827.75 ms. Allocated memory was 200.8 MB in the beginning and 407.9 MB in the end (delta: 207.1 MB). Free memory was 103.8 MB in the beginning and 215.7 MB in the end (delta: -111.9 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2019-09-20 17:28:37,608 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 610.85 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.6 MB in the beginning and 163.0 MB in the end (delta: -76.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.53 ms. Allocated memory is still 200.8 MB. Free memory was 163.0 MB in the beginning and 159.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 793.32 ms. Allocated memory is still 200.8 MB. Free memory was 159.9 MB in the beginning and 104.4 MB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Sifa took 15827.75 ms. Allocated memory was 200.8 MB in the beginning and 407.9 MB in the end (delta: 207.1 MB). Free memory was 103.8 MB in the beginning and 215.7 MB in the end (delta: -111.9 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 15780, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 76, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME[ms]: 5660, TOOLS_POST_CALL_APPLICATIONS: 16, TOOLS_POST_CALL_TIME[ms]: 141, TOOLS_POST_RETURN_APPLICATIONS: 15, TOOLS_POST_RETURN_TIME[ms]: 3385, TOOLS_QUANTIFIERELIM_APPLICATIONS: 85, TOOLS_QUANTIFIERELIM_TIME[ms]: 9133, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3036, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 95, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 27, DOMAIN_JOIN_TIME[ms]: 3849, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 13, DOMAIN_WIDEN_TIME[ms]: 2591, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 8, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15036, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15036, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 19, CALL_SUMMARIZER_APPLICATIONS: 15, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 14214, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14213, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 21, 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 256#(exists ((v_prenex_38 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_prenex_37 Int) (v_prenex_39 Int) (v_prenex_34 Int) (v_prenex_36 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_prenex_35 Int) (v_prenex_21 Int) (v_prenex_20 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_1 Int)) (or (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_39) v_prenex_38))) (= main_~new_data~0 main_~len~0) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_prenex_39) v_prenex_38) 2147483648)) (<= (select (select |#memory_int| v_prenex_39) v_prenex_38) 2147483647) (< main_~i~0 main_~len~0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (= main_~i~0 0)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_prenex_35) v_prenex_34) 2147483648)) (= (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_1) v_sll_get_data_at_~head.offset_BEFORE_RETURN_1) 1) (+ main_~i~0 main_~len~0)) (= main_~new_data~0 main_~len~0) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= (select (select |#memory_int| v_prenex_35) v_prenex_34) 2147483647) (<= (+ main_~i~0 main_~len~0) 2147483648) (<= 0 (+ main_~i~0 main_~len~0 2147483647)) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_35) v_prenex_34))) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483648)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2) 2147483647) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_20) v_prenex_21) 2147483648)) (<= main_~data~0 1) (not (= main_~expected~0 (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_2) v_sll_get_data_at_~head.offset_BEFORE_RETURN_2))) (< main_~i~0 (+ main_~len~0 1)) (<= (+ main_~len~0 1) main_~new_data~0) (< main_~i~0 main_~len~0) (= (+ (select (select |#memory_int| v_prenex_20) v_prenex_21) 1) (+ main_~i~0 main_~len~0)) (<= (select (select |#memory_int| v_prenex_20) v_prenex_21) 2147483647) (= (+ main_~i~0 (- 1)) 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_prenex_37) v_prenex_36) 2147483648)) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (not (= (select (select |#memory_int| v_prenex_37) v_prenex_36) main_~expected~0)) (<= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_37) v_prenex_36) 2147483647) (<= (+ main_~len~0 1) main_~new_data~0) (< main_~i~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3) (= main_~i~0 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...