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 -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:15:09,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:15:09,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:15:09,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:15:09,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:15:09,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:15:09,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:15:09,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:15:09,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:15:09,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:15:09,214 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:15:09,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:15:09,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:15:09,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:15:09,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:15:09,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:15:09,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:15:09,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:15:09,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:15:09,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:15:09,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:15:09,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:15:09,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:15:09,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:15:09,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:15:09,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:15:09,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:15:09,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:15:09,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:15:09,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:15:09,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:15:09,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:15:09,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:15:09,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:15:09,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:15:09,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:15:09,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:15:09,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:15:09,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:15:09,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:15:09,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:15:09,263 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 [2019-08-18 07:15:09,288 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:15:09,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:15:09,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:15:09,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:15:09,291 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:15:09,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:15:09,291 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:15:09,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:15:09,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:15:09,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:15:09,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:15:09,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:15:09,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:15:09,294 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:15:09,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:15:09,294 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:15:09,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:15:09,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:15:09,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:15:09,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:15:09,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:15:09,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:15:09,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:15:09,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:15:09,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:15:09,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:15:09,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:15:09,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:15:09,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:15:09,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:15:09,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:15:09,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:15:09,357 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:15:09,358 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:15:09,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2019-08-18 07:15:09,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfeba1a57/9f851a9d7dfd4cdeb586400b91ba8ca1/FLAG455cdf89d [2019-08-18 07:15:09,973 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:15:09,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2019-08-18 07:15:09,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfeba1a57/9f851a9d7dfd4cdeb586400b91ba8ca1/FLAG455cdf89d [2019-08-18 07:15:10,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfeba1a57/9f851a9d7dfd4cdeb586400b91ba8ca1 [2019-08-18 07:15:10,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:15:10,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:15:10,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:10,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:15:10,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:15:10,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:10" (1/1) ... [2019-08-18 07:15:10,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52112431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:10, skipping insertion in model container [2019-08-18 07:15:10,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:15:10" (1/1) ... [2019-08-18 07:15:10,283 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:15:10,338 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:15:10,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:10,819 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:15:10,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:15:10,917 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:15:10,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:10 WrapperNode [2019-08-18 07:15:10,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:15:10,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:15:10,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:15:10,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:15:10,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:10" (1/1) ... [2019-08-18 07:15:10,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:10" (1/1) ... [2019-08-18 07:15:10,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:10" (1/1) ... [2019-08-18 07:15:10,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:10" (1/1) ... [2019-08-18 07:15:10,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:10" (1/1) ... [2019-08-18 07:15:10,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:10" (1/1) ... [2019-08-18 07:15:10,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:10" (1/1) ... [2019-08-18 07:15:10,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:15:10,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:15:10,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:15:10,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:15:10,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:15:10" (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 [2019-08-18 07:15:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:15:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:15:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:15:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:15:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:15:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-18 07:15:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-18 07:15:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-08-18 07:15:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-08-18 07:15:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-08-18 07:15:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:15:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:15:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:15:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:15:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:15:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:15:11,060 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:15:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:15:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:15:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:15:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:15:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:15:11,061 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:15:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:15:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:15:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:15:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:15:11,062 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:15:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:15:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:15:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:15:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:15:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:15:11,063 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:15:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:15:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:15:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:15:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:15:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:15:11,064 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:15:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:15:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:15:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:15:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:15:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:15:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:15:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:15:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:15:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:15:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:15:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:15:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:15:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:15:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:15:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:15:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:15:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:15:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:15:11,067 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:15:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:15:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:15:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:15:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:15:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:15:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:15:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:15:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:15:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:15:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:15:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:15:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:15:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:15:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:15:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:15:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:15:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:15:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:15:11,070 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:15:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:15:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:15:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:15:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:15:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:15:11,071 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:15:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:15:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:15:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:15:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:15:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:15:11,072 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:15:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:15:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:15:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:15:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:15:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:15:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:15:11,073 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:15:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:15:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:15:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:15:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:15:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:15:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:15:11,074 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:15:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:15:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:15:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:15:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:15:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:15:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:15:11,075 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:15:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:15:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:15:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:15:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:15:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:15:11,076 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:15:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:15:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-18 07:15:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:15:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:15:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:15:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-18 07:15:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-08-18 07:15:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:15:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:15:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-08-18 07:15:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:15:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-08-18 07:15:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:15:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:15:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:15:11,515 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:15:11,687 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:15:11,688 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-18 07:15:11,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:15:11 BoogieIcfgContainer [2019-08-18 07:15:11,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:15:11,690 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:15:11,690 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:15:11,690 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:15:11,691 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:15:11" (1/1) ... [2019-08-18 07:15:11,704 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:15:11,706 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:15:11,712 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:15:11,721 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:15:11,723 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:15:11,801 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 07:15:11,801 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,823 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:11,823 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,824 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:15:11,838 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:15:11,867 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_9|], 1=[|v_#valid_18|]} [2019-08-18 07:15:11,881 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 07:15:11,882 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,911 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:11,920 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 07:15:11,920 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,948 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:11,949 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,950 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:15:11,951 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:15:11,971 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_19|, |v_#memory_int_18|], 2=[|v_#memory_int_11|]} [2019-08-18 07:15:11,982 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:15:11,983 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:11,996 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:11,999 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 99 [2019-08-18 07:15:12,000 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,137 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-08-18 07:15:12,138 INFO L567 ElimStorePlain]: treesize reduction 4, result has 96.0 percent of original size [2019-08-18 07:15:12,152 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:12,154 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2019-08-18 07:15:12,155 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,218 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,227 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2019-08-18 07:15:12,227 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,262 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,270 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:15:12,271 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,304 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,305 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,305 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:221, output treesize:61 [2019-08-18 07:15:12,333 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:12,334 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-08-18 07:15:12,335 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,384 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,392 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:12,395 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2019-08-18 07:15:12,396 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,432 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,443 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:12,446 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2019-08-18 07:15:12,447 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,487 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,488 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,488 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:102, output treesize:61 [2019-08-18 07:15:12,534 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 107 [2019-08-18 07:15:12,535 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,756 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-08-18 07:15:12,756 INFO L567 ElimStorePlain]: treesize reduction 5, result has 96.9 percent of original size [2019-08-18 07:15:12,767 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 97 [2019-08-18 07:15:12,768 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:12,877 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-18 07:15:12,878 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:12,891 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 88 [2019-08-18 07:15:12,892 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,002 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-18 07:15:13,002 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,012 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 79 [2019-08-18 07:15:13,014 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,116 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-08-18 07:15:13,117 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,136 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 72 [2019-08-18 07:15:13,137 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,220 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,221 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:15:13,222 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:167, output treesize:127 [2019-08-18 07:15:13,226 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:13,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:13,261 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 95 [2019-08-18 07:15:13,262 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,404 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-18 07:15:13,405 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,439 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:13,443 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 94 [2019-08-18 07:15:13,444 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,581 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-08-18 07:15:13,581 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,590 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:13,593 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 84 [2019-08-18 07:15:13,594 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,705 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-08-18 07:15:13,706 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,720 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:13,726 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 73 [2019-08-18 07:15:13,727 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,828 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-08-18 07:15:13,828 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,855 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:13,858 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 75 [2019-08-18 07:15:13,859 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:13,945 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:13,951 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:13,956 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2019-08-18 07:15:13,956 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:14,037 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:14,039 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:15:14,039 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:214, output treesize:135 [2019-08-18 07:15:14,064 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2019-08-18 07:15:14,065 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:14,098 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:14,105 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2019-08-18 07:15:14,106 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:14,140 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:14,148 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:14,150 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-08-18 07:15:14,151 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:14,199 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:14,199 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:14,200 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:100, output treesize:37 [2019-08-18 07:15:14,213 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:14,228 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 07:15:14,228 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:14,237 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:14,241 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-08-18 07:15:14,242 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:14,249 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:14,253 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2019-08-18 07:15:14,253 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:14,260 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:14,261 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:14,261 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:46, output treesize:12 [2019-08-18 07:15:14,278 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:14,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:14,411 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:14,439 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:15:14,439 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:15:14,441 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 170#(exists ((v_sll_get_data_at_~head.base_BEFORE_RETURN_4 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_4 Int)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483648)) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) main_~expected~0)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483647))) [2019-08-18 07:15:14,452 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:15:14,452 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:15:14,454 INFO L168 Benchmark]: Toolchain (without parser) took 4186.94 ms. Allocated memory was 138.9 MB in the beginning and 265.8 MB in the end (delta: 126.9 MB). Free memory was 84.2 MB in the beginning and 218.3 MB in the end (delta: -134.1 MB). Peak memory consumption was 131.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:14,455 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-18 07:15:14,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.68 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 84.0 MB in the beginning and 163.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:14,468 INFO L168 Benchmark]: Boogie Preprocessor took 72.15 ms. Allocated memory is still 199.2 MB. Free memory was 163.3 MB in the beginning and 160.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:14,469 INFO L168 Benchmark]: RCFGBuilder took 698.25 ms. Allocated memory is still 199.2 MB. Free memory was 160.2 MB in the beginning and 114.3 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:14,474 INFO L168 Benchmark]: Symbolic Interpretation took 2762.32 ms. Allocated memory was 199.2 MB in the beginning and 265.8 MB in the end (delta: 66.6 MB). Free memory was 114.3 MB in the beginning and 218.3 MB in the end (delta: -104.0 MB). Peak memory consumption was 101.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:14,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - 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 170#(exists ((v_sll_get_data_at_~head.base_BEFORE_RETURN_4 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_4 Int)) (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483648)) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) main_~expected~0)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_4) v_sll_get_data_at_~head.offset_BEFORE_RETURN_4) 2147483647))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.68 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 84.0 MB in the beginning and 163.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.15 ms. Allocated memory is still 199.2 MB. Free memory was 163.3 MB in the beginning and 160.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 698.25 ms. Allocated memory is still 199.2 MB. Free memory was 160.2 MB in the beginning and 114.3 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2762.32 ms. Allocated memory was 199.2 MB in the beginning and 265.8 MB in the end (delta: 66.6 MB). Free memory was 114.3 MB in the beginning and 218.3 MB in the end (delta: -104.0 MB). Peak memory consumption was 101.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...