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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:42:02,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:42:02,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:42:02,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:42:02,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:42:02,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:42:02,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:42:02,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:42:02,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:42:02,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:42:02,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:42:02,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:42:02,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:42:02,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:42:02,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:42:02,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:42:02,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:42:02,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:42:02,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:42:02,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:42:02,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:42:02,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:42:02,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:42:02,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:42:02,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:42:02,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:42:02,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:42:02,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:42:02,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:42:02,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:42:02,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:42:02,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:42:02,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:42:02,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:42:02,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:42:02,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:42:02,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:42:02,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:42:02,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:42:02,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:42:02,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:42:02,615 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 [2019-09-17 16:42:02,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:42:02,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:42:02,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:42:02,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:42:02,648 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:42:02,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:42:02,649 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:42:02,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:42:02,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:42:02,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:42:02,651 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:42:02,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:42:02,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:42:02,652 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:42:02,652 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:42:02,652 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:42:02,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:42:02,653 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:42:02,653 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:42:02,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:42:02,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:42:02,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:42:02,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:42:02,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:42:02,654 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:42:02,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:42:02,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:42:02,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:42:02,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 16:42:02,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:42:02,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:42:02,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:42:02,729 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:42:02,730 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:42:02,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-17 16:42:02,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69af65fbf/10ecbeeb94454a29a67b4cda3c8dd889/FLAG5dec47e44 [2019-09-17 16:42:03,390 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:42:03,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-17 16:42:03,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69af65fbf/10ecbeeb94454a29a67b4cda3c8dd889/FLAG5dec47e44 [2019-09-17 16:42:03,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69af65fbf/10ecbeeb94454a29a67b4cda3c8dd889 [2019-09-17 16:42:03,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:42:03,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:42:03,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:42:03,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:42:03,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:42:03,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:42:03" (1/1) ... [2019-09-17 16:42:03,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e770697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:03, skipping insertion in model container [2019-09-17 16:42:03,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:42:03" (1/1) ... [2019-09-17 16:42:03,676 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:42:03,729 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:42:04,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:42:04,202 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:42:04,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:42:04,319 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:42:04,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:04 WrapperNode [2019-09-17 16:42:04,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:42:04,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:42:04,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:42:04,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:42:04,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:04" (1/1) ... [2019-09-17 16:42:04,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:04" (1/1) ... [2019-09-17 16:42:04,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:04" (1/1) ... [2019-09-17 16:42:04,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:04" (1/1) ... [2019-09-17 16:42:04,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:04" (1/1) ... [2019-09-17 16:42:04,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:04" (1/1) ... [2019-09-17 16:42:04,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:04" (1/1) ... [2019-09-17 16:42:04,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:42:04,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:42:04,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:42:04,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:42:04,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:42:04" (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 [2019-09-17 16:42:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:42:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:42:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-17 16:42:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-17 16:42:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-17 16:42:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-17 16:42:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-17 16:42:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-17 16:42:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-17 16:42:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-17 16:42:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:42:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:42:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-17 16:42:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-17 16:42:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 16:42:04,447 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 16:42:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 16:42:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 16:42:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 16:42:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 16:42:04,448 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 16:42:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 16:42:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 16:42:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 16:42:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 16:42:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 16:42:04,449 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 16:42:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 16:42:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 16:42:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 16:42:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 16:42:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 16:42:04,450 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 16:42:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 16:42:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 16:42:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 16:42:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 16:42:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 16:42:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 16:42:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 16:42:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 16:42:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 16:42:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 16:42:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 16:42:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 16:42:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 16:42:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 16:42:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 16:42:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 16:42:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 16:42:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 16:42:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 16:42:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 16:42:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 16:42:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 16:42:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 16:42:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 16:42:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 16:42:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 16:42:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 16:42:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 16:42:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 16:42:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 16:42:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 16:42:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 16:42:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 16:42:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 16:42:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 16:42:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 16:42:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 16:42:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 16:42:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 16:42:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 16:42:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 16:42:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 16:42:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 16:42:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 16:42:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 16:42:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 16:42:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 16:42:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 16:42:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 16:42:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 16:42:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 16:42:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 16:42:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 16:42:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 16:42:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 16:42:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 16:42:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 16:42:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 16:42:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 16:42:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 16:42:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 16:42:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 16:42:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 16:42:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 16:42:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 16:42:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 16:42:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 16:42:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 16:42:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 16:42:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 16:42:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 16:42:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 16:42:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 16:42:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 16:42:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 16:42:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 16:42:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 16:42:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 16:42:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 16:42:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 16:42:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 16:42:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 16:42:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 16:42:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 16:42:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-17 16:42:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-17 16:42:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 16:42:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 16:42:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:42:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-17 16:42:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-17 16:42:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 16:42:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:42:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-17 16:42:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:42:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-17 16:42:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:42:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:42:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:42:04,962 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-17 16:42:05,221 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:42:05,221 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-17 16:42:05,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:42:05 BoogieIcfgContainer [2019-09-17 16:42:05,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:42:05,223 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:42:05,224 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:42:05,224 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:42:05,225 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:42:05" (1/1) ... [2019-09-17 16:42:05,226 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-17 16:42:05,256 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:42:05,257 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:42:05,265 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:42:05,274 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:42:05,276 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:42:05,471 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-17 16:42:05,600 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-17 16:42:06,342 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-17 16:42:06,913 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:42:07,079 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-17 16:42:07,209 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-17 16:42:07,431 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-17 16:42:07,599 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-17 16:42:07,929 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-17 16:42:08,068 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-17 16:42:08,185 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-17 16:42:08,434 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-09-17 16:42:09,268 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2019-09-17 16:42:09,699 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 16:42:10,149 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 16:42:10,579 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-17 16:42:10,973 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-17 16:42:11,313 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-17 16:42:11,659 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 16:42:12,018 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-17 16:42:12,347 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 16:42:12,735 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-17 16:42:16,598 WARN L191 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 232 DAG size of output: 135 [2019-09-17 16:42:17,872 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 16:42:18,800 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 16:42:19,596 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-17 16:42:20,452 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-09-17 16:42:21,030 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-17 16:42:21,532 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-09-17 16:42:22,012 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2019-09-17 16:42:22,214 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 16:42:22,408 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-17 16:42:22,822 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-17 16:42:23,325 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2019-09-17 16:42:23,558 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-17 16:42:24,097 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2019-09-17 16:42:25,535 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 164 DAG size of output: 163 [2019-09-17 16:42:26,266 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-17 16:42:26,938 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-17 16:42:27,632 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-17 16:42:28,330 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-17 16:42:28,982 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-17 16:42:29,633 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 16:42:30,251 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 16:42:30,850 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 16:42:31,429 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 16:42:31,992 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-17 16:42:32,973 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-17 16:42:33,004 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:42:33,281 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-17 16:42:33,586 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-17 16:42:34,108 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-17 16:42:34,154 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:42:57,142 WARN L191 SmtUtils]: Spent 22.91 s on a formula simplification. DAG size of input: 193 DAG size of output: 187 [2019-09-17 16:43:06,628 WARN L191 SmtUtils]: Spent 9.47 s on a formula simplification that was a NOOP. DAG size: 180 [2019-09-17 16:43:14,524 WARN L191 SmtUtils]: Spent 7.87 s on a formula simplification that was a NOOP. DAG size: 174 [2019-09-17 16:43:21,521 WARN L191 SmtUtils]: Spent 6.99 s on a formula simplification that was a NOOP. DAG size: 171 [2019-09-17 16:43:25,778 WARN L191 SmtUtils]: Spent 4.23 s on a formula simplification that was a NOOP. DAG size: 161 [2019-09-17 16:43:29,500 WARN L191 SmtUtils]: Spent 3.70 s on a formula simplification that was a NOOP. DAG size: 151 [2019-09-17 16:43:33,095 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2019-09-17 16:43:34,977 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 148 DAG size of output: 145 [2019-09-17 16:43:36,176 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 142 DAG size of output: 137 [2019-09-17 16:43:37,059 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 131 [2019-09-17 16:43:37,743 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 123 [2019-09-17 16:43:38,364 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2019-09-17 16:43:38,672 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-17 16:43:38,904 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 57 [2019-09-17 16:43:39,103 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2019-09-17 16:43:39,590 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2019-09-17 16:43:39,781 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-17 16:43:39,951 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-17 16:43:40,118 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-17 16:43:40,265 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-17 16:43:40,533 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:43:47,417 WARN L191 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 145 DAG size of output: 142 [2019-09-17 16:43:50,865 WARN L191 SmtUtils]: Spent 3.44 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 16:43:52,967 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 16:43:54,479 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 16:43:55,721 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2019-09-17 16:43:56,790 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2019-09-17 16:43:57,461 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2019-09-17 16:43:57,958 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 91 [2019-09-17 16:43:58,230 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-17 16:43:58,361 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-17 16:43:58,640 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-09-17 16:43:59,117 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-17 16:43:59,330 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 16:43:59,516 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-17 16:43:59,657 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-17 16:43:59,762 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 16:44:00,178 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2019-09-17 16:44:00,946 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-17 16:44:01,042 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-17 16:44:01,148 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2019-09-17 16:44:01,687 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 30 [2019-09-17 16:44:02,490 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-09-17 16:44:03,150 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 75 [2019-09-17 16:44:03,317 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 16:44:03,317 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 16:44:03,319 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 250#(exists ((v_prenex_55 Int) (v_prenex_63 Int) (v_prenex_62 Int) (v_prenex_54 Int) (v_prenex_65 Int) (v_prenex_64 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5 Int)) (or (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (= (+ main_~i~0 main_~len~0 1) (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8))) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)))) (< 0 (+ main_~i~0 1)) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) 2147483647) (<= 2 main_~new_data~0) (< 0 (+ main_~i~0 2)) (<= 0 (+ (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)) 2147483648)) (<= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) 2147483648)) (<= main_~new_data~0 main_~len~0) (<= main_~s~0.offset 0) (<= (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)) 2147483647) (= (+ main_~i~0 1) (+ main_~len~0 (- 1)))) (and (< 0 (+ main_~i~0 3)) (not (= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) main_~expected~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (< 0 (+ main_~i~0 2)) (= (+ main_~i~0 main_~len~0 1) (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8))) (= (+ main_~len~0 (- 1)) (+ main_~i~0 2)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483648)) (<= main_~new_data~0 3) (= (+ main_~i~0 main_~len~0 2) (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8))) (<= |#NULL.base| 0) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483647) (< 0 (+ main_~i~0 1)) (<= 0 main_~s~0.offset) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483648)) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483647) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483647) (<= main_~new_data~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (< 0 (+ main_~i~0 1)) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) 2147483648)) (<= 2 main_~new_data~0) (<= (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) 2147483647) (= main_~i~0 (+ main_~len~0 (- 1))) (<= main_~data~0 1) (not (= (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) main_~expected~0)) (<= main_~new_data~0 main_~len~0) (<= main_~s~0.offset 0)))) [2019-09-17 16:44:03,330 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 16:44:03,330 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 16:44:03,331 INFO L168 Benchmark]: Toolchain (without parser) took 119670.92 ms. Allocated memory was 132.1 MB in the beginning and 459.8 MB in the end (delta: 327.7 MB). Free memory was 86.9 MB in the beginning and 109.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 305.2 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:03,331 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 16:44:03,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.70 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 159.2 MB in the end (delta: -72.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:03,332 INFO L168 Benchmark]: Boogie Preprocessor took 68.73 ms. Allocated memory is still 198.7 MB. Free memory was 159.2 MB in the beginning and 156.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:03,332 INFO L168 Benchmark]: RCFGBuilder took 833.24 ms. Allocated memory is still 198.7 MB. Free memory was 156.1 MB in the beginning and 95.5 MB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:03,333 INFO L168 Benchmark]: Sifa took 118106.66 ms. Allocated memory was 198.7 MB in the beginning and 459.8 MB in the end (delta: 261.1 MB). Free memory was 94.9 MB in the beginning and 109.4 MB in the end (delta: -14.6 MB). Peak memory consumption was 246.5 MB. Max. memory is 7.1 GB. [2019-09-17 16:44:03,336 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.70 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 159.2 MB in the end (delta: -72.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.73 ms. Allocated memory is still 198.7 MB. Free memory was 159.2 MB in the beginning and 156.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 833.24 ms. Allocated memory is still 198.7 MB. Free memory was 156.1 MB in the beginning and 95.5 MB in the end (delta: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 7.1 GB. * Sifa took 118106.66 ms. Allocated memory was 198.7 MB in the beginning and 459.8 MB in the end (delta: 261.1 MB). Free memory was 94.9 MB in the beginning and 109.4 MB in the end (delta: -14.6 MB). Peak memory consumption was 246.5 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]: 118063, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 77, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME[ms]: 93660, TOOLS_POST_CALL_APPLICATIONS: 17, TOOLS_POST_CALL_TIME[ms]: 166, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME[ms]: 16187, TOOLS_QUANTIFIERELIM_APPLICATIONS: 87, TOOLS_QUANTIFIERELIM_TIME[ms]: 109963, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 64257, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 95, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME[ms]: 4523, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 3392, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 36, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 4, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 114826, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 114824, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 116353, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 116352, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 134, DAG_COMPRESSION_RETAINED_NODES: 71 - UnprovableResult [Line: 632]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 250#(exists ((v_prenex_55 Int) (v_prenex_63 Int) (v_prenex_62 Int) (v_prenex_54 Int) (v_prenex_65 Int) (v_prenex_64 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1 Int) (v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5 Int)) (or (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (= (+ main_~i~0 main_~len~0 1) (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8))) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)))) (< 0 (+ main_~i~0 1)) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) 2147483647) (<= 2 main_~new_data~0) (< 0 (+ main_~i~0 2)) (<= 0 (+ (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)) 2147483648)) (<= main_~data~0 1) (<= 0 (+ (select (select |#memory_int| v_prenex_55) (+ v_prenex_54 8)) 2147483648)) (<= main_~new_data~0 main_~len~0) (<= main_~s~0.offset 0) (<= (select (select |#memory_int| v_prenex_63) (+ v_prenex_62 8)) 2147483647) (= (+ main_~i~0 1) (+ main_~len~0 (- 1)))) (and (< 0 (+ main_~i~0 3)) (not (= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) main_~expected~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (< 0 (+ main_~i~0 2)) (= (+ main_~i~0 main_~len~0 1) (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8))) (= (+ main_~len~0 (- 1)) (+ main_~i~0 2)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483648)) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483648)) (<= main_~new_data~0 3) (= (+ main_~i~0 main_~len~0 2) (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8))) (<= |#NULL.base| 0) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483647) (< 0 (+ main_~i~0 1)) (<= 0 main_~s~0.offset) (<= 0 (+ (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_2) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_2 8)) 2147483648)) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_1) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_1 8)) 2147483647) (<= (select (select |#memory_int| v_dll_circular_get_data_at_~head.base_BEFORE_RETURN_5) (+ v_dll_circular_get_data_at_~head.offset_BEFORE_RETURN_5 8)) 2147483647) (<= main_~new_data~0 main_~len~0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= |#NULL.base| 0) (< 0 (+ main_~i~0 1)) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 0 (+ (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) 2147483648)) (<= 2 main_~new_data~0) (<= (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) 2147483647) (= main_~i~0 (+ main_~len~0 (- 1))) (<= main_~data~0 1) (not (= (select (select |#memory_int| v_prenex_65) (+ v_prenex_64 8)) main_~expected~0)) (<= main_~new_data~0 main_~len~0) (<= main_~s~0.offset 0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...