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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:12:03,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:12:03,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:12:03,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:12:03,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:12:03,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:12:03,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:12:03,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:12:03,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:12:03,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:12:03,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:12:03,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:12:03,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:12:03,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:12:03,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:12:03,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:12:03,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:12:03,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:12:03,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:12:03,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:12:03,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:12:03,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:12:03,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:12:03,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:12:03,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:12:03,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:12:03,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:12:03,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:12:03,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:12:03,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:12:03,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:12:03,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:12:03,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:12:03,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:12:03,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:12:03,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:12:03,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:12:03,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:12:03,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:12:03,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:12:03,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:12:03,574 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 [2019-09-18 03:12:03,594 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:12:03,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:12:03,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:12:03,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:12:03,596 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:12:03,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:12:03,597 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:12:03,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:12:03,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:12:03,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:12:03,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:12:03,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:12:03,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:12:03,598 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:12:03,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:12:03,598 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:12:03,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:12:03,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:12:03,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:12:03,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:12:03,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:12:03,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:12:03,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:12:03,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:12:03,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:12:03,600 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:12:03,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:12:03,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:12:03,601 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 03:12:03,631 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:12:03,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:12:03,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:12:03,661 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:12:03,662 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:12:03,662 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-09-18 03:12:03,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f60f938/ff7598a6e14744dcb5e83b74e368671c/FLAG99f38eeea [2019-09-18 03:12:04,223 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:12:04,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-09-18 03:12:04,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f60f938/ff7598a6e14744dcb5e83b74e368671c/FLAG99f38eeea [2019-09-18 03:12:04,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42f60f938/ff7598a6e14744dcb5e83b74e368671c [2019-09-18 03:12:04,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:12:04,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:12:04,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:12:04,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:12:04,487 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:12:04,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:12:04" (1/1) ... [2019-09-18 03:12:04,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253d0f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:04, skipping insertion in model container [2019-09-18 03:12:04,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:12:04" (1/1) ... [2019-09-18 03:12:04,499 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:12:04,553 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:12:04,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:12:04,887 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:12:05,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:12:05,074 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:12:05,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:05 WrapperNode [2019-09-18 03:12:05,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:12:05,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:12:05,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:12:05,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:12:05,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:05" (1/1) ... [2019-09-18 03:12:05,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:05" (1/1) ... [2019-09-18 03:12:05,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:05" (1/1) ... [2019-09-18 03:12:05,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:05" (1/1) ... [2019-09-18 03:12:05,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:05" (1/1) ... [2019-09-18 03:12:05,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:05" (1/1) ... [2019-09-18 03:12:05,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:05" (1/1) ... [2019-09-18 03:12:05,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:12:05,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:12:05,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:12:05,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:12:05,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:12:05" (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 [2019-09-18 03:12:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:12:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:12:05,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-18 03:12:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-18 03:12:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-18 03:12:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-18 03:12:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-18 03:12:05,208 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_last [2019-09-18 03:12:05,209 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:12:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:12:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-18 03:12:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-18 03:12:05,209 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 03:12:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 03:12:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 03:12:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 03:12:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 03:12:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 03:12:05,210 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 03:12:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 03:12:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 03:12:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 03:12:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 03:12:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 03:12:05,211 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 03:12:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 03:12:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 03:12:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 03:12:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 03:12:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 03:12:05,212 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 03:12:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 03:12:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 03:12:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 03:12:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 03:12:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 03:12:05,213 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 03:12:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 03:12:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 03:12:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 03:12:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 03:12:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 03:12:05,214 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 03:12:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 03:12:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 03:12:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 03:12:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 03:12:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 03:12:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 03:12:05,215 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 03:12:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 03:12:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 03:12:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 03:12:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 03:12:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 03:12:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 03:12:05,216 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 03:12:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 03:12:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 03:12:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 03:12:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 03:12:05,217 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 03:12:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:12:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 03:12:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 03:12:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:12:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 03:12:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 03:12:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 03:12:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 03:12:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 03:12:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 03:12:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 03:12:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 03:12:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 03:12:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 03:12:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 03:12:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 03:12:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 03:12:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 03:12:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 03:12:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 03:12:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 03:12:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 03:12:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 03:12:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 03:12:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 03:12:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 03:12:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 03:12:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 03:12:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 03:12:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 03:12:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 03:12:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 03:12:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 03:12:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 03:12:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 03:12:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 03:12:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 03:12:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 03:12:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 03:12:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 03:12:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 03:12:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 03:12:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 03:12:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 03:12:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 03:12:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 03:12:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 03:12:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 03:12:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 03:12:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 03:12:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 03:12:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 03:12:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 03:12:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-18 03:12:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-18 03:12:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:12:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:12:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:12:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-18 03:12:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_last [2019-09-18 03:12:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:12:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:12:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:12:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 03:12:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-18 03:12:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:12:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:12:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:12:05,587 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-18 03:12:05,829 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:12:05,830 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-18 03:12:05,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:12:05 BoogieIcfgContainer [2019-09-18 03:12:05,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:12:05,832 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:12:05,832 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:12:05,833 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:12:05,836 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:12:05" (1/1) ... [2019-09-18 03:12:05,837 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 03:12:05,870 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 03:12:05,870 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:12:05,878 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:12:05,886 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:12:05,888 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:12:06,049 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 03:12:06,341 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-18 03:12:07,797 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 03:12:07,992 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:12:08,138 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 03:12:08,270 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 03:12:08,436 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 03:12:08,582 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:12:08,719 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 03:12:08,842 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 03:12:08,974 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 03:12:09,098 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 03:12:09,335 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 03:12:09,500 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 03:12:09,682 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 03:12:09,817 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 03:12:09,944 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 03:12:10,065 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-18 03:12:10,288 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-18 03:12:10,393 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-18 03:12:10,714 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 82 [2019-09-18 03:12:10,871 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 03:12:11,154 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-18 03:12:11,410 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-18 03:12:11,649 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-18 03:12:11,885 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-18 03:12:12,139 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 03:12:12,368 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 03:12:12,615 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-18 03:12:12,854 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 03:12:13,054 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 03:12:13,258 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-18 03:12:13,452 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 03:12:13,670 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 03:12:13,858 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-18 03:12:14,037 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-18 03:12:14,215 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-18 03:12:14,692 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 03:12:15,106 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 03:12:15,436 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 03:12:15,711 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 03:12:15,953 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-18 03:12:16,169 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 03:12:16,361 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 03:12:16,538 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:12:16,705 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-18 03:12:17,018 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2019-09-18 03:12:17,169 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-18 03:12:17,562 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2019-09-18 03:12:17,758 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 03:12:18,098 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 03:12:18,409 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-18 03:12:18,712 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 03:12:19,020 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 03:12:19,324 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-18 03:12:19,653 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-18 03:12:19,960 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-18 03:12:20,239 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 03:12:20,526 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-18 03:12:20,806 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-18 03:12:21,070 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 03:12:21,332 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 03:12:21,621 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:12:21,896 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 03:12:22,158 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 03:12:22,412 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 03:12:22,664 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 03:12:22,901 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 03:12:23,144 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:12:23,362 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-18 03:12:24,335 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 03:12:25,249 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-18 03:12:25,927 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-18 03:12:26,452 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 03:12:26,918 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-18 03:12:27,329 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-18 03:12:27,644 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 03:12:27,935 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-18 03:12:28,196 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 03:12:28,442 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-18 03:12:28,667 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 03:12:28,879 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 03:12:29,265 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2019-09-18 03:12:29,458 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-18 03:12:29,934 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-18 03:12:30,177 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:12:30,594 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 03:12:30,995 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-18 03:12:31,384 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-09-18 03:12:31,781 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 03:12:32,176 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-18 03:12:32,561 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-18 03:12:32,968 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-18 03:12:33,391 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 03:12:33,792 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-18 03:12:34,166 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-18 03:12:34,519 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-18 03:12:34,870 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-18 03:12:35,198 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-18 03:12:35,536 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-18 03:12:35,868 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-18 03:12:36,203 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-18 03:12:36,528 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 03:12:36,841 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 03:12:37,137 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 03:12:37,450 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-18 03:12:37,733 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 03:12:38,026 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 03:12:38,315 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 03:12:38,587 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:12:38,870 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:12:41,752 WARN L191 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 175 [2019-09-18 03:12:43,820 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 171 [2019-09-18 03:12:45,281 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 165 [2019-09-18 03:12:46,626 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 03:12:47,720 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 154 [2019-09-18 03:12:48,631 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 03:12:49,384 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-18 03:12:50,005 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-18 03:12:50,523 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-18 03:12:50,958 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-18 03:12:51,334 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-18 03:12:51,670 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 03:12:51,970 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 03:12:52,249 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 03:12:52,517 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 03:12:53,001 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-09-18 03:12:53,240 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 03:12:53,819 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-18 03:12:54,510 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 03:12:55,071 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-18 03:12:55,485 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2019-09-18 03:12:55,891 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 53 [2019-09-18 03:12:56,321 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2019-09-18 03:12:57,065 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-09-18 03:12:57,273 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-18 03:12:58,493 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 116 [2019-09-18 03:12:58,976 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-18 03:12:59,397 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 03:12:59,825 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 03:13:00,177 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 03:13:00,546 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 03:13:02,663 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 211 [2019-09-18 03:13:04,711 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 211 [2019-09-18 03:13:05,258 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-09-18 03:13:08,342 WARN L191 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 205 DAG size of output: 175 [2019-09-18 03:13:09,799 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 172 [2019-09-18 03:13:11,211 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 187 [2019-09-18 03:13:12,706 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 180 [2019-09-18 03:13:14,083 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 185 [2019-09-18 03:13:15,491 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 03:13:15,552 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:13:15,552 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:13:15,554 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 222#(and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))) [2019-09-18 03:13:15,570 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:13:15,570 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:13:15,571 INFO L168 Benchmark]: Toolchain (without parser) took 71088.76 ms. Allocated memory was 132.1 MB in the beginning and 578.3 MB in the end (delta: 446.2 MB). Free memory was 85.7 MB in the beginning and 153.5 MB in the end (delta: -67.8 MB). Peak memory consumption was 378.4 MB. Max. memory is 7.1 GB. [2019-09-18 03:13:15,572 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 03:13:15,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.01 ms. Allocated memory was 132.1 MB in the beginning and 212.9 MB in the end (delta: 80.7 MB). Free memory was 85.5 MB in the beginning and 184.5 MB in the end (delta: -98.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-18 03:13:15,573 INFO L168 Benchmark]: Boogie Preprocessor took 69.25 ms. Allocated memory is still 212.9 MB. Free memory was 184.5 MB in the beginning and 180.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:13:15,573 INFO L168 Benchmark]: RCFGBuilder took 687.12 ms. Allocated memory is still 212.9 MB. Free memory was 180.9 MB in the beginning and 133.4 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 7.1 GB. [2019-09-18 03:13:15,579 INFO L168 Benchmark]: Sifa took 69738.02 ms. Allocated memory was 212.9 MB in the beginning and 578.3 MB in the end (delta: 365.4 MB). Free memory was 133.4 MB in the beginning and 153.5 MB in the end (delta: -20.2 MB). Peak memory consumption was 345.3 MB. Max. memory is 7.1 GB. [2019-09-18 03:13:15,588 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 591.01 ms. Allocated memory was 132.1 MB in the beginning and 212.9 MB in the end (delta: 80.7 MB). Free memory was 85.5 MB in the beginning and 184.5 MB in the end (delta: -98.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.25 ms. Allocated memory is still 212.9 MB. Free memory was 184.5 MB in the beginning and 180.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 687.12 ms. Allocated memory is still 212.9 MB. Free memory was 180.9 MB in the beginning and 133.4 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 7.1 GB. * Sifa took 69738.02 ms. Allocated memory was 212.9 MB in the beginning and 578.3 MB in the end (delta: 365.4 MB). Free memory was 133.4 MB in the beginning and 153.5 MB in the end (delta: -20.2 MB). Peak memory consumption was 345.3 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]: 69685, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 98, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 79, TOOLS_POST_TIME[ms]: 24087, TOOLS_POST_CALL_APPLICATIONS: 15, TOOLS_POST_CALL_TIME[ms]: 993, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME[ms]: 32752, TOOLS_QUANTIFIERELIM_APPLICATIONS: 103, TOOLS_QUANTIFIERELIM_TIME[ms]: 57777, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13647, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 116, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 33, DOMAIN_JOIN_TIME[ms]: 3935, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 5, DOMAIN_WIDEN_APPLICATIONS: 14, DOMAIN_WIDEN_TIME[ms]: 7734, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 50, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 17, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 67851, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 67850, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 51197, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 51196, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 170, DAG_COMPRESSION_RETAINED_NODES: 87 - UnprovableResult [Line: 613]: 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 222#(and (not (< main_~i~0 main_~len~0)) (or (not (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0)) (not (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...