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_DDA -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:29:42,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:29:42,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:29:42,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:29:42,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:29:42,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:29:42,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:29:42,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:29:42,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:29:42,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:29:42,131 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:29:42,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:29:42,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:29:42,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:29:42,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:29:42,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:29:42,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:29:42,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:29:42,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:29:42,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:29:42,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:29:42,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:29:42,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:29:42,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:29:42,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:29:42,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:29:42,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:29:42,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:29:42,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:29:42,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:29:42,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:29:42,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:29:42,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:29:42,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:29:42,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:29:42,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:29:42,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:29:42,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:29:42,169 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:29:42,170 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:29:42,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:29:42,172 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 16:29:42,210 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:29:42,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:29:42,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:29:42,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:29:42,214 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:29:42,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:29:42,214 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:29:42,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:29:42,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:29:42,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:29:42,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:29:42,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:29:42,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:29:42,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:29:42,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:29:42,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:29:42,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:29:42,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:29:42,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:29:42,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:29:42,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:29:42,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:42,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:29:42,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:29:42,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:29:42,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:29:42,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:29:42,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:29:42,220 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_DDA [2019-09-20 16:29:42,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:29:42,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:29:42,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:29:42,291 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:29:42,292 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:29:42,292 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-20 16:29:42,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a84c78f3/3471a384fa8343beb8319a21857a5a42/FLAG5d9ac674c [2019-09-20 16:29:42,855 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:29:42,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-20 16:29:42,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a84c78f3/3471a384fa8343beb8319a21857a5a42/FLAG5d9ac674c [2019-09-20 16:29:43,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a84c78f3/3471a384fa8343beb8319a21857a5a42 [2019-09-20 16:29:43,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:29:43,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:29:43,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:43,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:29:43,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:29:43,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:43" (1/1) ... [2019-09-20 16:29:43,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2feb5f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:43, skipping insertion in model container [2019-09-20 16:29:43,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:43" (1/1) ... [2019-09-20 16:29:43,210 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:29:43,267 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:29:43,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:43,762 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:29:43,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:43,878 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:29:43,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:43 WrapperNode [2019-09-20 16:29:43,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:43,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:29:43,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:29:43,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:29:43,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:43" (1/1) ... [2019-09-20 16:29:43,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:43" (1/1) ... [2019-09-20 16:29:43,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:43" (1/1) ... [2019-09-20 16:29:43,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:43" (1/1) ... [2019-09-20 16:29:43,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:43" (1/1) ... [2019-09-20 16:29:43,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:43" (1/1) ... [2019-09-20 16:29:43,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:43" (1/1) ... [2019-09-20 16:29:43,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:29:43,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:29:43,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:29:43,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:29:43,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:43" (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 16:29:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:29:44,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:29:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 16:29:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 16:29:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 16:29:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-09-20 16:29:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-09-20 16:29:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-09-20 16:29:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-09-20 16:29:44,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:29:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:29:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:29:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 16:29:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 16:29:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 16:29:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 16:29:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 16:29:44,039 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 16:29:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 16:29:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 16:29:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 16:29:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 16:29:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 16:29:44,040 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 16:29:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 16:29:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 16:29:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 16:29:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 16:29:44,041 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 16:29:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 16:29:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 16:29:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 16:29:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 16:29:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 16:29:44,042 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 16:29:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 16:29:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 16:29:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 16:29:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 16:29:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 16:29:44,043 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 16:29:44,044 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 16:29:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 16:29:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 16:29:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 16:29:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 16:29:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 16:29:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 16:29:44,045 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 16:29:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 16:29:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 16:29:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 16:29:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 16:29:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 16:29:44,046 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 16:29:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 16:29:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 16:29:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 16:29:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:29:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 16:29:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 16:29:44,047 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:29:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 16:29:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 16:29:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 16:29:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 16:29:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 16:29:44,048 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 16:29:44,049 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 16:29:44,050 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 16:29:44,051 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 16:29:44,052 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 16:29:44,053 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 16:29:44,054 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-09-20 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:29:44,055 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-09-20 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-09-20 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-09-20 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:29:44,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:29:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:29:44,548 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 16:29:45,069 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:29:45,069 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 16:29:45,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:45 BoogieIcfgContainer [2019-09-20 16:29:45,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:29:45,071 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:29:45,071 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:29:45,072 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:29:45,073 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:45" (1/1) ... [2019-09-20 16:29:45,074 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:29:45,097 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:29:45,097 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:29:45,104 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:29:45,113 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:29:45,114 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:29:45,287 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 16:29:45,335 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 16:29:46,346 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:29:46,347 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:29:46,349 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 62#true [2019-09-20 16:29:46,360 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:29:46,360 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:29:46,362 INFO L168 Benchmark]: Toolchain (without parser) took 3170.52 ms. Allocated memory was 141.0 MB in the beginning and 226.5 MB in the end (delta: 85.5 MB). Free memory was 87.2 MB in the beginning and 91.1 MB in the end (delta: -3.9 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:46,363 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:29:46,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.69 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 87.0 MB in the beginning and 163.6 MB in the end (delta: -76.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:46,365 INFO L168 Benchmark]: Boogie Preprocessor took 89.84 ms. Allocated memory is still 199.8 MB. Free memory was 163.6 MB in the beginning and 160.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:46,366 INFO L168 Benchmark]: RCFGBuilder took 1095.69 ms. Allocated memory is still 199.8 MB. Free memory was 160.0 MB in the beginning and 89.2 MB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:46,367 INFO L168 Benchmark]: Sifa took 1289.37 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 89.2 MB in the beginning and 91.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:46,370 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.69 ms. Allocated memory was 141.0 MB in the beginning and 199.8 MB in the end (delta: 58.7 MB). Free memory was 87.0 MB in the beginning and 163.6 MB in the end (delta: -76.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.84 ms. Allocated memory is still 199.8 MB. Free memory was 163.6 MB in the beginning and 160.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1095.69 ms. Allocated memory is still 199.8 MB. Free memory was 160.0 MB in the beginning and 89.2 MB in the end (delta: 70.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 7.1 GB. * Sifa took 1289.37 ms. Allocated memory was 199.8 MB in the beginning and 226.5 MB in the end (delta: 26.7 MB). Free memory was 89.2 MB in the beginning and 91.1 MB in the end (delta: -2.0 MB). Peak memory consumption was 24.8 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]: 1252, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 46, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 37, TOOLS_POST_TIME[ms]: 965, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 28, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 45, TOOLS_QUANTIFIERELIM_TIME[ms]: 966, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 247, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 49, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME[ms]: 128, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 3, DOMAIN_ISBOTTOM_APPLICATIONS: 9, DOMAIN_ISBOTTOM_TIME[ms]: 17, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 705, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 705, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 128, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 127, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 32, DAG_COMPRESSION_PROCESSED_NODES: 141, DAG_COMPRESSION_RETAINED_NODES: 83 - UnprovableResult [Line: 601]: 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 62#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...