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 TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:14:19,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:14:19,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:14:19,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:14:19,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:14:19,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:14:19,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:14:19,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:14:19,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:14:19,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:14:19,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:14:19,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:14:19,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:14:19,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:14:19,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:14:19,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:14:19,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:14:19,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:14:19,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:14:19,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:14:19,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:14:19,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:14:19,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:14:19,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:14:19,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 22:14:19,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 22:14:19,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 22:14:19,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 22:14:19,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 22:14:19,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 22:14:19,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:14:19,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:14:19,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:14:19,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:14:19,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:14:19,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:14:19,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:14:19,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:14:19,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:14:19,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:14:19,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:14:19,367 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 [2019-09-19 22:14:19,389 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:14:19,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:14:19,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:14:19,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:14:19,392 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:14:19,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:14:19,392 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:14:19,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:14:19,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:14:19,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:14:19,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:14:19,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:14:19,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:14:19,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:14:19,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:14:19,395 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:14:19,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:14:19,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:14:19,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:14:19,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:14:19,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:14:19,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:14:19,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:14:19,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:14:19,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:14:19,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:14:19,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:14:19,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:14:19,399 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 -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 22:14:19,458 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:14:19,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:14:19,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:14:19,480 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:14:19,481 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:14:19,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-19 22:14:19,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649cff786/db6de822f1dd4dd7a772e1443f9f8b1b/FLAG68f401dc4 [2019-09-19 22:14:20,073 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:14:20,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all.i [2019-09-19 22:14:20,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649cff786/db6de822f1dd4dd7a772e1443f9f8b1b/FLAG68f401dc4 [2019-09-19 22:14:20,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649cff786/db6de822f1dd4dd7a772e1443f9f8b1b [2019-09-19 22:14:20,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:14:20,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:14:20,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:14:20,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:14:20,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:14:20,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:14:20" (1/1) ... [2019-09-19 22:14:20,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70baf9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:20, skipping insertion in model container [2019-09-19 22:14:20,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:14:20" (1/1) ... [2019-09-19 22:14:20,431 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:14:20,474 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:14:20,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:14:20,883 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:14:20,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:14:21,042 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:14:21,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:21 WrapperNode [2019-09-19 22:14:21,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:14:21,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:14:21,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:14:21,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:14:21,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:21" (1/1) ... [2019-09-19 22:14:21,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:21" (1/1) ... [2019-09-19 22:14:21,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:21" (1/1) ... [2019-09-19 22:14:21,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:21" (1/1) ... [2019-09-19 22:14:21,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:21" (1/1) ... [2019-09-19 22:14:21,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:21" (1/1) ... [2019-09-19 22:14:21,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:21" (1/1) ... [2019-09-19 22:14:21,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:14:21,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:14:21,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:14:21,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:14:21,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:14:21" (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 [2019-09-19 22:14:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:14:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:14:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-19 22:14:21,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-19 22:14:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-19 22:14:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-19 22:14:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-19 22:14:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-19 22:14:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-19 22:14:21,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-19 22:14:21,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:14:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:14:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-19 22:14:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-19 22:14:21,169 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-19 22:14:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-19 22:14:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-19 22:14:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-19 22:14:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-19 22:14:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-19 22:14:21,170 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-19 22:14:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-19 22:14:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-19 22:14:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-19 22:14:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-19 22:14:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-19 22:14:21,171 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-19 22:14:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-19 22:14:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-19 22:14:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-19 22:14:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-19 22:14:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-19 22:14:21,172 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-19 22:14:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-19 22:14:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-19 22:14:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-19 22:14:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-19 22:14:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-19 22:14:21,173 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-19 22:14:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-19 22:14:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-19 22:14:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-19 22:14:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-19 22:14:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-19 22:14:21,174 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-19 22:14:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-19 22:14:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-19 22:14:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-19 22:14:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-19 22:14:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-19 22:14:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-19 22:14:21,175 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-19 22:14:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-19 22:14:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-19 22:14:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-19 22:14:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-19 22:14:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-19 22:14:21,176 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-19 22:14:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-19 22:14:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-19 22:14:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-19 22:14:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-19 22:14:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-19 22:14:21,177 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-19 22:14:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 22:14:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-19 22:14:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-19 22:14:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 22:14:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-19 22:14:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-19 22:14:21,178 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-19 22:14:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-19 22:14:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-19 22:14:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-19 22:14:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-19 22:14:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-19 22:14:21,179 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-19 22:14:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-19 22:14:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-19 22:14:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-19 22:14:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-19 22:14:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-19 22:14:21,180 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-19 22:14:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-19 22:14:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-19 22:14:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-19 22:14:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-19 22:14:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-19 22:14:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-19 22:14:21,181 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-19 22:14:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-19 22:14:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-19 22:14:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-19 22:14:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-19 22:14:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-19 22:14:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-19 22:14:21,182 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-19 22:14:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-19 22:14:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-19 22:14:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-19 22:14:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-19 22:14:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-19 22:14:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-19 22:14:21,183 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-19 22:14:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-19 22:14:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-19 22:14:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-19 22:14:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-19 22:14:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-19 22:14:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-19 22:14:21,184 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-19 22:14:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-19 22:14:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-19 22:14:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-19 22:14:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-19 22:14:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-19 22:14:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-19 22:14:21,185 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-19 22:14:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-19 22:14:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 22:14:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 22:14:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:14:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-19 22:14:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-19 22:14:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 22:14:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:14:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-19 22:14:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:14:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-19 22:14:21,187 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:14:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:14:21,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:14:21,621 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-19 22:14:22,004 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:14:22,006 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-19 22:14:22,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:14:22 BoogieIcfgContainer [2019-09-19 22:14:22,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:14:22,008 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:14:22,009 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:14:22,009 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:14:22,010 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:14:22" (1/1) ... [2019-09-19 22:14:22,011 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-19 22:14:22,035 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:14:22,035 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:14:22,043 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:14:22,052 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:14:22,054 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:14:22,192 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-19 22:14:22,310 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-19 22:14:23,548 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-19 22:14:23,667 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-19 22:14:23,861 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-09-19 22:14:24,009 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-19 22:14:24,243 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-19 22:14:25,089 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2019-09-19 22:14:25,426 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-19 22:14:25,752 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-19 22:14:26,087 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-19 22:14:26,383 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 22:14:26,688 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-19 22:14:27,033 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-19 22:14:27,360 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 22:14:27,753 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-09-19 22:14:28,048 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-19 22:14:30,077 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 22:14:31,400 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 123 [2019-09-19 22:14:32,287 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-19 22:14:32,758 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 22:14:33,514 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2019-09-19 22:14:34,022 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-19 22:14:34,472 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-09-19 22:14:34,841 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-19 22:14:35,002 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 22:14:35,169 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-19 22:14:35,620 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 110 [2019-09-19 22:14:45,670 WARN L191 SmtUtils]: Spent 8.58 s on a formula simplification that was a NOOP. DAG size: 137 [2019-09-19 22:14:51,623 WARN L191 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 127 [2019-09-19 22:14:55,660 WARN L191 SmtUtils]: Spent 3.68 s on a formula simplification that was a NOOP. DAG size: 121 [2019-09-19 22:14:58,476 WARN L191 SmtUtils]: Spent 2.73 s on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 22:15:01,900 WARN L191 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2019-09-19 22:15:02,706 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 88 [2019-09-19 22:15:03,157 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 83 [2019-09-19 22:15:03,567 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-19 22:15:03,885 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2019-09-19 22:15:11,940 WARN L191 SmtUtils]: Spent 7.11 s on a formula simplification that was a NOOP. DAG size: 135 [2019-09-19 22:15:17,860 WARN L191 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 22:15:21,980 WARN L191 SmtUtils]: Spent 3.85 s on a formula simplification that was a NOOP. DAG size: 119 [2019-09-19 22:15:24,645 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 22:15:26,936 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2019-09-19 22:15:27,526 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 86 [2019-09-19 22:15:27,967 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81 [2019-09-19 22:15:28,409 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 22:15:28,746 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-19 22:15:29,253 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-19 22:15:30,240 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-09-19 22:15:30,360 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-19 22:15:31,048 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-19 22:15:31,615 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:15:31,615 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:15:31,617 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 180#(exists ((v_prenex_27 Int) (v_prenex_26 Int) (v_prenex_28 Int) (v_prenex_23 Int) (v_prenex_45 Int) (v_prenex_44 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_prenex_46 Int) (v_prenex_41 Int) (v_prenex_43 Int) (v_prenex_42 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5 Int)) (or (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~len~0 1) main_~new_data~0) (<= (select (select |#memory_int| v_prenex_46) (+ v_prenex_45 8)) 2147483647) (<= 0 (+ (select (select |#memory_int| v_prenex_46) (+ v_prenex_45 8)) 2147483648)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_46) (+ v_prenex_45 8)))) (= main_~i~0 0)) (and (< main_~i~0 (+ main_~len~0 2)) (<= (select (select |#memory_int| v_prenex_42) (+ v_prenex_41 8)) 2147483647) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ (select (select |#memory_int| v_prenex_24) (+ v_prenex_23 8)) 1) (+ main_~i~0 main_~len~0 (- 1))) (= (+ main_~len~0 1) main_~new_data~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= main_~len~0 2) (= main_~data~0 1) (<= (+ main_~i~0 main_~len~0) 2147483649) (= 0 (select |old(#valid)| 0)) (= (+ (select (select |#memory_int| v_prenex_26) (+ v_prenex_25 8)) 1) (+ main_~i~0 main_~len~0)) (<= 0 (+ (select (select |#memory_int| v_prenex_42) (+ v_prenex_41 8)) 2147483648)) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_42) (+ v_prenex_41 8)))) (<= 0 (+ (select (select |#memory_int| v_prenex_26) (+ v_prenex_25 8)) 2147483648)) (< main_~i~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_prenex_26) (+ v_prenex_25 8)) 2147483647) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (and (not (= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) main_~expected~0)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~len~0 1) main_~new_data~0) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483647) (= (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 1) (+ main_~i~0 main_~len~0)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483648)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483648)) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (= (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 1) (+ main_~i~0 main_~len~0 (- 1))) (< main_~i~0 (+ main_~len~0 2)) (not (= (select (select |#memory_int| v_prenex_44) (+ v_prenex_43 8)) main_~expected~0)) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= 0 (+ (select (select |#memory_int| v_prenex_44) (+ v_prenex_43 8)) 2147483648)) (<= (select (select |#memory_int| v_prenex_28) (+ v_prenex_27 8)) 2147483647) (= main_~new_data~0 main_~len~0) (<= (select (select |#memory_int| v_prenex_44) (+ v_prenex_43 8)) 2147483647) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= (+ main_~i~0 main_~len~0) 2147483649) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_prenex_28) (+ v_prenex_27 8)) 2147483648)) (= (+ (select (select |#memory_int| v_prenex_28) (+ v_prenex_27 8)) 1) (+ main_~i~0 main_~len~0)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2)))) [2019-09-19 22:15:31,631 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:15:31,631 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:15:31,633 INFO L168 Benchmark]: Toolchain (without parser) took 71217.19 ms. Allocated memory was 130.5 MB in the beginning and 460.8 MB in the end (delta: 330.3 MB). Free memory was 85.2 MB in the beginning and 375.1 MB in the end (delta: -289.9 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2019-09-19 22:15:31,634 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 22:15:31,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.62 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 85.0 MB in the beginning and 160.4 MB in the end (delta: -75.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-19 22:15:31,635 INFO L168 Benchmark]: Boogie Preprocessor took 65.93 ms. Allocated memory is still 197.7 MB. Free memory was 160.4 MB in the beginning and 157.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-19 22:15:31,635 INFO L168 Benchmark]: RCFGBuilder took 898.20 ms. Allocated memory is still 197.7 MB. Free memory was 157.2 MB in the beginning and 96.5 MB in the end (delta: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 7.1 GB. [2019-09-19 22:15:31,636 INFO L168 Benchmark]: Sifa took 69623.12 ms. Allocated memory was 197.7 MB in the beginning and 460.8 MB in the end (delta: 263.2 MB). Free memory was 95.9 MB in the beginning and 375.1 MB in the end (delta: -279.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 22:15:31,637 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 130.5 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 626.62 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 85.0 MB in the beginning and 160.4 MB in the end (delta: -75.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.93 ms. Allocated memory is still 197.7 MB. Free memory was 160.4 MB in the beginning and 157.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 898.20 ms. Allocated memory is still 197.7 MB. Free memory was 157.2 MB in the beginning and 96.5 MB in the end (delta: 60.7 MB). Peak memory consumption was 60.7 MB. Max. memory is 7.1 GB. * Sifa took 69623.12 ms. Allocated memory was 197.7 MB in the beginning and 460.8 MB in the end (delta: 263.2 MB). Free memory was 95.9 MB in the beginning and 375.1 MB in the end (delta: -279.2 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]: 69582, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 77, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME[ms]: 61110, TOOLS_POST_CALL_APPLICATIONS: 17, TOOLS_POST_CALL_TIME[ms]: 150, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME[ms]: 4560, TOOLS_QUANTIFIERELIM_APPLICATIONS: 87, TOOLS_QUANTIFIERELIM_TIME[ms]: 65772, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27923, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 95, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 2177, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 1452, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 34, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 11, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 67368, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 67365, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 68316, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 68316, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 134, DAG_COMPRESSION_RETAINED_NODES: 71 - UnprovableResult [Line: 632]: 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 180#(exists ((v_prenex_27 Int) (v_prenex_26 Int) (v_prenex_28 Int) (v_prenex_23 Int) (v_prenex_45 Int) (v_prenex_44 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_prenex_46 Int) (v_prenex_41 Int) (v_prenex_43 Int) (v_prenex_42 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5 Int)) (or (and (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~len~0 1) main_~new_data~0) (<= (select (select |#memory_int| v_prenex_46) (+ v_prenex_45 8)) 2147483647) (<= 0 (+ (select (select |#memory_int| v_prenex_46) (+ v_prenex_45 8)) 2147483648)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_46) (+ v_prenex_45 8)))) (= main_~i~0 0)) (and (< main_~i~0 (+ main_~len~0 2)) (<= (select (select |#memory_int| v_prenex_42) (+ v_prenex_41 8)) 2147483647) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ (select (select |#memory_int| v_prenex_24) (+ v_prenex_23 8)) 1) (+ main_~i~0 main_~len~0 (- 1))) (= (+ main_~len~0 1) main_~new_data~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= main_~len~0 2) (= main_~data~0 1) (<= (+ main_~i~0 main_~len~0) 2147483649) (= 0 (select |old(#valid)| 0)) (= (+ (select (select |#memory_int| v_prenex_26) (+ v_prenex_25 8)) 1) (+ main_~i~0 main_~len~0)) (<= 0 (+ (select (select |#memory_int| v_prenex_42) (+ v_prenex_41 8)) 2147483648)) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_42) (+ v_prenex_41 8)))) (<= 0 (+ (select (select |#memory_int| v_prenex_26) (+ v_prenex_25 8)) 2147483648)) (< main_~i~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_prenex_26) (+ v_prenex_25 8)) 2147483647) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (and (not (= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) main_~expected~0)) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= (+ main_~len~0 1) main_~new_data~0) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483647) (= (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 1) (+ main_~i~0 main_~len~0)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483648)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483648)) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483647) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= (+ main_~i~0 (- 1)) 0) (= main_~len~0 2)) (and (= (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 1) (+ main_~i~0 main_~len~0 (- 1))) (< main_~i~0 (+ main_~len~0 2)) (not (= (select (select |#memory_int| v_prenex_44) (+ v_prenex_43 8)) main_~expected~0)) (= 0 |#NULL.base|) (= (+ main_~i~0 (- 2)) 0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ main_~i~0 main_~len~0 2147483646)) (<= 0 (+ (select (select |#memory_int| v_prenex_44) (+ v_prenex_43 8)) 2147483648)) (<= (select (select |#memory_int| v_prenex_28) (+ v_prenex_27 8)) 2147483647) (= main_~new_data~0 main_~len~0) (<= (select (select |#memory_int| v_prenex_44) (+ v_prenex_43 8)) 2147483647) (<= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= main_~data~0 1) (<= (+ main_~i~0 main_~len~0) 2147483649) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |#memory_int| v_prenex_28) (+ v_prenex_27 8)) 2147483648)) (= (+ (select (select |#memory_int| v_prenex_28) (+ v_prenex_27 8)) 1) (+ main_~i~0 main_~len~0)) (< main_~i~0 (+ main_~len~0 1)) (< main_~i~0 main_~len~0) (= |#NULL.offset| 0) (= main_~len~0 2)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...