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 LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:26:45,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:26:45,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:26:45,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:26:45,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:26:45,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:26:45,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:26:45,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:26:45,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:26:45,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:26:45,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:26:45,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:26:45,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:26:45,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:26:45,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:26:45,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:26:45,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:26:45,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:26:45,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:26:45,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:26:45,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:26:45,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:26:45,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:26:45,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:26:45,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:26:45,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:26:45,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:26:45,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:26:45,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:26:45,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:26:45,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:26:45,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:26:45,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:26:45,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:26:45,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:26:45,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:26:45,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:26:45,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:26:45,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:26:45,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:26:45,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:26:45,413 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 21:26:45,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:26:45,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:26:45,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:26:45,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:26:45,430 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:26:45,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:26:45,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:26:45,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:26:45,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:26:45,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:26:45,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:26:45,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:26:45,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:26:45,432 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:26:45,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:26:45,432 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:26:45,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:26:45,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:26:45,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:26:45,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:26:45,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:26:45,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:26:45,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:26:45,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:26:45,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:26:45,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:26:45,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:26:45,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:26:45,435 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 -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer 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 21:26:45,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:26:45,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:26:45,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:26:45,492 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:26:45,492 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:26:45,493 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-20 21:26:45,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb52ba726/bb85fadd44a746ca9149db28ba95365b/FLAG2f8c128bd [2019-09-20 21:26:46,193 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:26:46,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-09-20 21:26:46,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb52ba726/bb85fadd44a746ca9149db28ba95365b/FLAG2f8c128bd [2019-09-20 21:26:46,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb52ba726/bb85fadd44a746ca9149db28ba95365b [2019-09-20 21:26:46,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:26:46,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:26:46,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:26:46,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:26:46,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:26:46,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:26:46" (1/1) ... [2019-09-20 21:26:46,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166b435e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:46, skipping insertion in model container [2019-09-20 21:26:46,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:26:46" (1/1) ... [2019-09-20 21:26:46,462 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:26:46,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:26:46,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:26:46,956 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:26:47,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:26:47,093 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:26:47,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:47 WrapperNode [2019-09-20 21:26:47,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:26:47,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:26:47,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:26:47,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:26:47,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:47" (1/1) ... [2019-09-20 21:26:47,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:47" (1/1) ... [2019-09-20 21:26:47,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:47" (1/1) ... [2019-09-20 21:26:47,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:47" (1/1) ... [2019-09-20 21:26:47,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:47" (1/1) ... [2019-09-20 21:26:47,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:47" (1/1) ... [2019-09-20 21:26:47,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:47" (1/1) ... [2019-09-20 21:26:47,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:26:47,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:26:47,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:26:47,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:26:47,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:26:47" (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 21:26:47,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:26:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:26:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 21:26:47,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 21:26:47,232 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 21:26:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-09-20 21:26:47,233 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-09-20 21:26:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-09-20 21:26:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-09-20 21:26:47,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:26:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:26:47,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:26:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 21:26:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 21:26:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 21:26:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 21:26:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 21:26:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 21:26:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 21:26:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 21:26:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 21:26:47,239 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 21:26:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 21:26:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 21:26:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 21:26:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 21:26:47,241 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 21:26:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 21:26:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 21:26:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 21:26:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 21:26:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 21:26:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 21:26:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 21:26:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 21:26:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 21:26:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 21:26:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 21:26:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 21:26:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 21:26:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 21:26:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 21:26:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 21:26:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 21:26:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 21:26:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 21:26:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 21:26:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 21:26:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 21:26:47,245 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 21:26:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 21:26:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 21:26:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 21:26:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 21:26:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 21:26:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 21:26:47,246 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 21:26:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 21:26:47,247 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 21:26:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 21:26:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 21:26:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 21:26:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 21:26:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 21:26:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 21:26:47,248 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 21:26:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 21:26:47,249 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 21:26:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 21:26:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 21:26:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 21:26:47,250 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 21:26:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 21:26:47,251 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 21:26:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 21:26:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 21:26:47,252 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 21:26:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 21:26:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 21:26:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 21:26:47,253 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 21:26:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 21:26:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 21:26:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 21:26:47,254 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 21:26:47,255 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 21:26:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 21:26:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 21:26:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 21:26:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 21:26:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 21:26:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 21:26:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 21:26:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 21:26:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 21:26:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 21:26:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 21:26:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 21:26:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 21:26:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 21:26:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 21:26:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 21:26:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 21:26:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 21:26:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 21:26:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 21:26:47,258 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 21:26:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 21:26:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 21:26:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 21:26:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 21:26:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 21:26:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 21:26:47,259 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 21:26:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 21:26:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 21:26:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 21:26:47,260 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 21:26:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-09-20 21:26:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 21:26:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-09-20 21:26:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 21:26:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 21:26:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-09-20 21:26:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-09-20 21:26:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 21:26:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:26:47,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 21:26:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 21:26:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:26:47,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:26:47,682 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 21:26:48,204 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:26:48,204 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 21:26:48,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:26:48 BoogieIcfgContainer [2019-09-20 21:26:48,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:26:48,207 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:26:48,207 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:26:48,207 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:26:48,208 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:26:48" (1/1) ... [2019-09-20 21:26:48,209 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:26:48,233 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:26:48,233 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:26:48,241 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:26:48,249 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:26:48,250 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:26:48,414 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 21:26:48,438 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:26:48,460 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:26:48,715 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 71 [2019-09-20 21:26:48,964 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 21:26:49,080 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 21:26:49,255 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-20 21:26:50,012 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 21:26:50,025 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:26:51,273 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 21:26:52,092 WARN L191 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-20 21:26:54,257 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 152 [2019-09-20 21:26:54,464 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 21:26:55,243 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:26:55,244 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:26:55,246 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 121#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))) [2019-09-20 21:26:55,260 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:26:55,260 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:26:55,262 INFO L168 Benchmark]: Toolchain (without parser) took 8817.04 ms. Allocated memory was 134.7 MB in the beginning and 256.4 MB in the end (delta: 121.6 MB). Free memory was 87.8 MB in the beginning and 178.3 MB in the end (delta: -90.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2019-09-20 21:26:55,262 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory is still 107.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 21:26:55,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.49 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 87.4 MB in the beginning and 163.7 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-20 21:26:55,264 INFO L168 Benchmark]: Boogie Preprocessor took 76.55 ms. Allocated memory is still 200.8 MB. Free memory was 163.7 MB in the beginning and 160.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-20 21:26:55,265 INFO L168 Benchmark]: RCFGBuilder took 1034.50 ms. Allocated memory is still 200.8 MB. Free memory was 160.3 MB in the beginning and 89.5 MB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2019-09-20 21:26:55,266 INFO L168 Benchmark]: Sifa took 7053.45 ms. Allocated memory was 200.8 MB in the beginning and 256.4 MB in the end (delta: 55.6 MB). Free memory was 89.5 MB in the beginning and 178.3 MB in the end (delta: -88.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 21:26:55,269 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.7 MB. Free memory is still 107.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.49 ms. Allocated memory was 134.7 MB in the beginning and 200.8 MB in the end (delta: 66.1 MB). Free memory was 87.4 MB in the beginning and 163.7 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.55 ms. Allocated memory is still 200.8 MB. Free memory was 163.7 MB in the beginning and 160.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1034.50 ms. Allocated memory is still 200.8 MB. Free memory was 160.3 MB in the beginning and 89.5 MB in the end (delta: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. * Sifa took 7053.45 ms. Allocated memory was 200.8 MB in the beginning and 256.4 MB in the end (delta: 55.6 MB). Free memory was 89.5 MB in the beginning and 178.3 MB in the end (delta: -88.8 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]: 7014, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 64, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 52, TOOLS_POST_TIME[ms]: 3637, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 28, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 81, TOOLS_QUANTIFIERELIM_APPLICATIONS: 62, TOOLS_QUANTIFIERELIM_TIME[ms]: 3715, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1997, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 70, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 734, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 2361, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 32, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 48, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 6487, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 6486, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 42, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 139, DAG_COMPRESSION_RETAINED_NODES: 83 - UnprovableResult [Line: 601]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 121#(exists ((v_main_~p~0.offset_19 Int) (v_main_~p~0.offset_18 Int) (v_main_~p~0.base_19 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (not (= 0 main_~p~0.base)) (= main_~a~0.offset main_~p~0.offset)) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= main_~a~0.base main_~p~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_19) (+ v_main_~p~0.offset_19 4)) 0) (= 1 (select (select |#memory_int| v_main_~p~0.base_19) v_main_~p~0.offset_19)) (= main_~a~0.offset main_~p~0.offset)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...