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-ext3-properties/sll_circular_traversal-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:29:17,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:29:17,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:29:17,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:29:17,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:29:17,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:29:17,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:29:17,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:29:17,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:29:17,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:29:17,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:29:17,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:29:17,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:29:17,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:29:17,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:29:17,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:29:17,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:29:17,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:29:17,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:29:17,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:29:17,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:29:17,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:29:17,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:29:17,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:29:17,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:29:17,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:29:17,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:29:17,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:29:17,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:29:17,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:29:17,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:29:17,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:29:17,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:29:17,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:29:17,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:29:17,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:29:17,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:29:17,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:29:17,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:29:17,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:29:17,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:29:17,169 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 19:29:17,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:29:17,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:29:17,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:29:17,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:29:17,195 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:29:17,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:29:17,195 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:29:17,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:29:17,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:29:17,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:29:17,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:29:17,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:29:17,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:29:17,198 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:29:17,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:29:17,198 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:29:17,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:29:17,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:29:17,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:29:17,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:29:17,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:29:17,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:29:17,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:29:17,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:29:17,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:29:17,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:29:17,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:29:17,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:29:17,201 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 19:29:17,246 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:29:17,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:29:17,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:29:17,273 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:29:17,274 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:29:17,275 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_circular_traversal-1.i [2019-09-20 19:29:17,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661aad665/8d8eacbb2aa24303ae219d94d9ab8b03/FLAG859fa8aec [2019-09-20 19:29:17,902 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:29:17,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_circular_traversal-1.i [2019-09-20 19:29:17,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661aad665/8d8eacbb2aa24303ae219d94d9ab8b03/FLAG859fa8aec [2019-09-20 19:29:18,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661aad665/8d8eacbb2aa24303ae219d94d9ab8b03 [2019-09-20 19:29:18,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:29:18,255 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:29:18,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:18,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:29:18,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:29:18,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134c3fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:18, skipping insertion in model container [2019-09-20 19:29:18,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,272 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:29:18,325 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:29:18,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:18,801 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:29:18,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:29:18,912 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:29:18,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:18 WrapperNode [2019-09-20 19:29:18,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:29:18,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:29:18,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:29:18,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:29:18,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:18" (1/1) ... [2019-09-20 19:29:18,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:29:18,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:29:18,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:29:18,997 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:29:18,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:29:18" (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 19:29:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:29:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:29:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 19:29:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 19:29:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 19:29:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-20 19:29:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:29:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:29:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 19:29:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 19:29:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 19:29:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 19:29:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 19:29:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 19:29:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 19:29:19,055 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 19:29:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 19:29:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 19:29:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 19:29:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 19:29:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 19:29:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 19:29:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 19:29:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 19:29:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 19:29:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 19:29:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 19:29:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 19:29:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 19:29:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 19:29:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 19:29:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 19:29:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 19:29:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 19:29:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 19:29:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 19:29:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 19:29:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 19:29:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 19:29:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 19:29:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 19:29:19,062 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 19:29:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 19:29:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 19:29:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 19:29:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 19:29:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 19:29:19,063 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 19:29:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 19:29:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 19:29:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 19:29:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 19:29:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 19:29:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 19:29:19,064 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 19:29:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 19:29:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 19:29:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 19:29:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 19:29:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 19:29:19,065 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:29:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 19:29:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 19:29:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:29:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 19:29:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 19:29:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 19:29:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 19:29:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 19:29:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 19:29:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 19:29:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 19:29:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 19:29:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 19:29:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 19:29:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 19:29:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 19:29:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 19:29:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 19:29:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 19:29:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 19:29:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 19:29:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 19:29:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 19:29:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 19:29:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 19:29:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 19:29:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 19:29:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 19:29:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 19:29:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 19:29:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 19:29:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 19:29:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 19:29:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 19:29:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 19:29:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 19:29:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 19:29:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 19:29:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 19:29:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 19:29:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 19:29:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 19:29:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 19:29:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 19:29:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 19:29:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 19:29:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 19:29:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 19:29:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 19:29:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 19:29:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 19:29:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 19:29:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 19:29:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-20 19:29:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:29:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:29:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:29:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:29:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:29:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:29:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:29:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:29:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:29:19,410 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 19:29:19,619 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:29:19,620 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 19:29:19,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:19 BoogieIcfgContainer [2019-09-20 19:29:19,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:29:19,622 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:29:19,622 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:29:19,622 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:29:19,623 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:29:19" (1/1) ... [2019-09-20 19:29:19,624 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 19:29:19,647 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:29:19,647 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:29:19,655 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:29:19,663 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:29:19,665 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:29:19,814 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 19:29:19,960 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 19:29:20,000 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:20,357 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:20,928 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 19:29:21,105 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-09-20 19:29:21,618 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 19:29:22,080 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2019-09-20 19:29:22,380 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-20 19:29:22,612 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 83 [2019-09-20 19:29:22,737 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 19:29:23,020 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-20 19:29:23,159 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 19:29:23,382 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:29:23,483 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:29:23,719 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 19:29:23,974 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 19:29:24,435 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 19:29:25,097 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-20 19:29:25,392 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 19:29:26,092 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 123 [2019-09-20 19:29:26,800 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 124 [2019-09-20 19:29:27,171 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 19:29:27,915 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2019-09-20 19:29:28,547 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2019-09-20 19:29:28,884 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 19:29:30,238 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2019-09-20 19:29:30,636 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 19:29:31,382 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 113 [2019-09-20 19:29:31,706 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 19:29:32,022 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 19:29:32,828 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 119 [2019-09-20 19:29:34,242 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:34,538 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-20 19:29:34,891 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:29:35,210 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2019-09-20 19:29:35,556 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 19:29:35,788 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2019-09-20 19:29:35,960 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 74 [2019-09-20 19:29:36,321 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2019-09-20 19:29:36,694 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-20 19:29:37,694 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 152 [2019-09-20 19:29:37,813 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:29:37,814 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:29:37,815 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 254#true [2019-09-20 19:29:37,825 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:29:37,825 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:29:37,826 INFO L168 Benchmark]: Toolchain (without parser) took 19571.21 ms. Allocated memory was 134.2 MB in the beginning and 417.9 MB in the end (delta: 283.6 MB). Free memory was 88.6 MB in the beginning and 359.6 MB in the end (delta: -271.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:37,827 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:29:37,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.59 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 88.4 MB in the beginning and 162.0 MB in the end (delta: -73.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:37,828 INFO L168 Benchmark]: Boogie Preprocessor took 83.40 ms. Allocated memory is still 200.3 MB. Free memory was 162.0 MB in the beginning and 159.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:37,828 INFO L168 Benchmark]: RCFGBuilder took 624.42 ms. Allocated memory is still 200.3 MB. Free memory was 159.5 MB in the beginning and 112.2 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. [2019-09-20 19:29:37,829 INFO L168 Benchmark]: Sifa took 18203.55 ms. Allocated memory was 200.3 MB in the beginning and 417.9 MB in the end (delta: 217.6 MB). Free memory was 112.2 MB in the beginning and 359.6 MB in the end (delta: -247.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 19:29:37,831 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.59 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 88.4 MB in the beginning and 162.0 MB in the end (delta: -73.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.40 ms. Allocated memory is still 200.3 MB. Free memory was 162.0 MB in the beginning and 159.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 624.42 ms. Allocated memory is still 200.3 MB. Free memory was 159.5 MB in the beginning and 112.2 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. * Sifa took 18203.55 ms. Allocated memory was 200.3 MB in the beginning and 417.9 MB in the end (delta: 217.6 MB). Free memory was 112.2 MB in the beginning and 359.6 MB in the end (delta: -247.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 18169, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 184, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 173, TOOLS_POST_TIME[ms]: 12742, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 48, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 12, TOOLS_QUANTIFIERELIM_APPLICATIONS: 188, TOOLS_QUANTIFIERELIM_TIME[ms]: 12740, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 2517, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 193, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 3393, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 22, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 1754, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 15, DOMAIN_ISBOTTOM_TIME[ms]: 52, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15338, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15338, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 14414, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14413, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 431, DAG_COMPRESSION_RETAINED_NODES: 171 - UnprovableResult [Line: 609]: 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 254#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...