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 SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/list-simple/sll2c_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:04:42,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:04:42,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:04:42,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:04:42,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:04:42,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:04:42,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:04:42,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:04:42,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:04:42,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:04:42,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:04:42,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:04:42,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:04:42,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:04:42,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:04:42,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:04:42,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:04:42,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:04:42,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:04:42,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:04:42,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:04:42,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:04:42,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:04:42,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:04:42,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:04:42,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:04:42,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:04:42,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:04:42,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:04:42,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:04:42,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:04:42,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:04:42,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:04:42,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:04:42,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:04:42,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:04:42,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:04:42,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:04:42,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:04:42,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:04:42,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:04:42,502 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 [2019-09-25 17:04:42,517 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:04:42,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:04:42,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:04:42,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:04:42,519 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:04:42,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:04:42,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:04:42,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:04:42,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:04:42,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:04:42,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:04:42,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:04:42,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:04:42,521 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:04:42,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:04:42,521 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:04:42,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:04:42,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:04:42,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:04:42,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:04:42,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:04:42,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:04:42,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:04:42,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:04:42,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:04:42,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:04:42,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:04:42,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:04:42,525 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:04:42,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:04:42,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:04:42,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:04:42,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:04:42,580 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:04:42,581 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_prepend_equal.i [2019-09-25 17:04:42,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00ded1fe/32bd35f6276c4501a887e55046771bd3/FLAGc3365c3ba [2019-09-25 17:04:43,229 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:04:43,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_prepend_equal.i [2019-09-25 17:04:43,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00ded1fe/32bd35f6276c4501a887e55046771bd3/FLAGc3365c3ba [2019-09-25 17:04:43,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00ded1fe/32bd35f6276c4501a887e55046771bd3 [2019-09-25 17:04:43,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:04:43,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:04:43,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:04:43,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:04:43,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:04:43,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:43" (1/1) ... [2019-09-25 17:04:43,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213716f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:43, skipping insertion in model container [2019-09-25 17:04:43,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:43" (1/1) ... [2019-09-25 17:04:43,528 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:04:43,574 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:04:44,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:04:44,047 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:04:44,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:04:44,156 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:04:44,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:44 WrapperNode [2019-09-25 17:04:44,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:04:44,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:04:44,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:04:44,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:04:44,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:44" (1/1) ... [2019-09-25 17:04:44,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:44" (1/1) ... [2019-09-25 17:04:44,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:44" (1/1) ... [2019-09-25 17:04:44,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:44" (1/1) ... [2019-09-25 17:04:44,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:44" (1/1) ... [2019-09-25 17:04:44,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:44" (1/1) ... [2019-09-25 17:04:44,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:44" (1/1) ... [2019-09-25 17:04:44,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:04:44,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:04:44,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:04:44,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:04:44,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:44" (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 [2019-09-25 17:04:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:04:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:04:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-25 17:04:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-25 17:04:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-25 17:04:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-25 17:04:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-25 17:04:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-25 17:04:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_prepend [2019-09-25 17:04:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:04:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:04:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-25 17:04:44,293 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-25 17:04:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-25 17:04:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-25 17:04:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-25 17:04:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-25 17:04:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-25 17:04:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-25 17:04:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-25 17:04:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-25 17:04:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-25 17:04:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-25 17:04:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-25 17:04:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-25 17:04:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-25 17:04:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-25 17:04:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-25 17:04:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-25 17:04:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-25 17:04:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-25 17:04:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-25 17:04:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-25 17:04:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-25 17:04:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-25 17:04:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-25 17:04:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-25 17:04:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-25 17:04:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-25 17:04:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-25 17:04:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-25 17:04:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-25 17:04:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-25 17:04:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-25 17:04:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-25 17:04:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-25 17:04:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-25 17:04:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-25 17:04:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-25 17:04:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-25 17:04:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-25 17:04:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-25 17:04:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-25 17:04:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-25 17:04:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-25 17:04:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-25 17:04:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-25 17:04:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-25 17:04:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-25 17:04:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-25 17:04:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-25 17:04:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-25 17:04:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-25 17:04:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:04:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-25 17:04:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-25 17:04:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:04:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-25 17:04:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-25 17:04:44,302 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-25 17:04:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-25 17:04:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-25 17:04:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-25 17:04:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-25 17:04:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-25 17:04:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-25 17:04:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-25 17:04:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-25 17:04:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-25 17:04:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-25 17:04:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-25 17:04:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-25 17:04:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-25 17:04:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-25 17:04:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-25 17:04:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-25 17:04:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-25 17:04:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-25 17:04:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-25 17:04:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-25 17:04:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-25 17:04:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-25 17:04:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-25 17:04:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-25 17:04:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-25 17:04:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-25 17:04:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-25 17:04:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-25 17:04:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-25 17:04:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-25 17:04:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-25 17:04:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-25 17:04:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-25 17:04:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-25 17:04:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-25 17:04:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-25 17:04:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-25 17:04:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-25 17:04:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-25 17:04:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-25 17:04:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-25 17:04:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-25 17:04:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-25 17:04:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-25 17:04:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-25 17:04:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-25 17:04:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-25 17:04:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-25 17:04:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:04:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:04:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:04:44,310 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-25 17:04:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-25 17:04:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:04:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:04:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_prepend [2019-09-25 17:04:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:04:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:04:44,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-25 17:04:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:04:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:04:44,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:04:44,732 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-25 17:04:45,021 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:04:45,022 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-25 17:04:45,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:45 BoogieIcfgContainer [2019-09-25 17:04:45,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:04:45,024 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:04:45,024 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:04:45,024 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:04:45,026 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:45" (1/1) ... [2019-09-25 17:04:45,027 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:04:45,061 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:04:45,061 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:04:45,089 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:04:45,102 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:04:45,104 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:04:45,262 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-25 17:04:45,455 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-25 17:04:45,505 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-25 17:04:47,117 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:04:47,118 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:04:47,120 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 134#(or (and (not (= main_~count~0 (+ main_~len~0 1))) (exists ((v_main_~ptr~0.offset_13 Int) (v_main_~ptr~0.base_13 Int)) (and (= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~ptr~0.base_13) v_main_~ptr~0.offset_13) main_~ptr~0.offset) (= |main_~#s~0.offset| 0) (= main_~ptr~0.base (select (select |#memory_$Pointer$.base| v_main_~ptr~0.base_13) v_main_~ptr~0.offset_13)) (= (select (select |#memory_int| v_main_~ptr~0.base_13) (+ v_main_~ptr~0.offset_13 4)) main_~data~0) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= |#NULL.offset| 0) (= main_~data~0 1) (= main_~len~0 2)))) (and (= |#NULL.base| 0) (not (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~data~0)) (= |main_~#s~0.offset| 0) (= |#NULL.offset| 0) (= main_~data~0 1) (= main_~len~0 2))) [2019-09-25 17:04:47,131 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:04:47,132 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:04:47,133 INFO L168 Benchmark]: Toolchain (without parser) took 3622.24 ms. Allocated memory was 139.5 MB in the beginning and 262.1 MB in the end (delta: 122.7 MB). Free memory was 85.7 MB in the beginning and 151.3 MB in the end (delta: -65.6 MB). Peak memory consumption was 57.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:47,134 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:04:47,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.69 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 85.5 MB in the beginning and 160.9 MB in the end (delta: -75.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:47,135 INFO L168 Benchmark]: Boogie Preprocessor took 74.17 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 157.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:47,135 INFO L168 Benchmark]: RCFGBuilder took 787.27 ms. Allocated memory is still 199.2 MB. Free memory was 157.3 MB in the beginning and 100.7 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:47,136 INFO L168 Benchmark]: Sifa took 2107.93 ms. Allocated memory was 199.2 MB in the beginning and 262.1 MB in the end (delta: 62.9 MB). Free memory was 100.7 MB in the beginning and 151.3 MB in the end (delta: -50.6 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:04:47,138 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.69 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 85.5 MB in the beginning and 160.9 MB in the end (delta: -75.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.17 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 157.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 787.27 ms. Allocated memory is still 199.2 MB. Free memory was 157.3 MB in the beginning and 100.7 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 7.1 GB. * Sifa took 2107.93 ms. Allocated memory was 199.2 MB in the beginning and 262.1 MB in the end (delta: 62.9 MB). Free memory was 100.7 MB in the beginning and 151.3 MB in the end (delta: -50.6 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2059, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 59, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 45, TOOLS_POST_TIME[ms]: 1194, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 152, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME[ms]: 399, TOOLS_QUANTIFIERELIM_APPLICATIONS: 66, TOOLS_QUANTIFIERELIM_TIME[ms]: 1704, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 249, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 66, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 109, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 42, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 17, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 786, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 785, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1790, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1790, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 30, DAG_COMPRESSION_PROCESSED_NODES: 140, DAG_COMPRESSION_RETAINED_NODES: 68 - UnprovableResult [Line: 629]: 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 134#(or (and (not (= main_~count~0 (+ main_~len~0 1))) (exists ((v_main_~ptr~0.offset_13 Int) (v_main_~ptr~0.base_13 Int)) (and (= |#NULL.base| 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= (select (select |#memory_$Pointer$.offset| v_main_~ptr~0.base_13) v_main_~ptr~0.offset_13) main_~ptr~0.offset) (= |main_~#s~0.offset| 0) (= main_~ptr~0.base (select (select |#memory_$Pointer$.base| v_main_~ptr~0.base_13) v_main_~ptr~0.offset_13)) (= (select (select |#memory_int| v_main_~ptr~0.base_13) (+ v_main_~ptr~0.offset_13 4)) main_~data~0) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= |#NULL.offset| 0) (= main_~data~0 1) (= main_~len~0 2)))) (and (= |#NULL.base| 0) (not (= (select (select |#memory_int| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~data~0)) (= |main_~#s~0.offset| 0) (= |#NULL.offset| 0) (= main_~data~0 1) (= main_~len~0 2))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...