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-fea9116 [2019-09-20 17:27:28,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:27:28,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:27:28,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:27:28,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:27:28,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:27:28,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:27:28,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:27:28,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:27:28,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:27:28,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:27:28,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:27:28,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:27:28,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:27:28,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:27:28,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:27:28,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:27:28,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:27:28,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:27:28,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:27:28,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:27:28,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:27:28,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:27:28,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:27:28,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:27:28,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:27:28,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:27:28,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:27:28,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:27:28,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:27:28,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:27:28,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:27:28,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:27:28,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:27:28,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:27:28,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:27:28,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:27:28,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:27:28,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:27:28,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:27:28,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:27:28,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 17:27:28,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:27:28,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:27:28,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:27:28,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:27:28,591 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:27:28,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:27:28,592 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:27:28,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:27:28,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:27:28,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:27:28,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:27:28,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:27:28,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:27:28,595 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:27:28,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:27:28,595 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:27:28,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:27:28,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:27:28,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:27:28,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:27:28,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:27:28,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:27:28,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:27:28,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:27:28,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:27:28,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:27:28,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:27:28,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:27:28,598 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 [2019-09-20 17:27:28,660 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:27:28,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:27:28,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:27:28,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:27:28,685 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:27:28,686 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-20 17:27:28,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dddc16acd/d5b8529cf76b4eca8a705bd52a31117d/FLAG66d0f504b [2019-09-20 17:27:29,357 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:27:29,360 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2019-09-20 17:27:29,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dddc16acd/d5b8529cf76b4eca8a705bd52a31117d/FLAG66d0f504b [2019-09-20 17:27:29,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dddc16acd/d5b8529cf76b4eca8a705bd52a31117d [2019-09-20 17:27:29,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:27:29,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:27:29,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:27:29,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:27:29,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:27:29,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:27:29" (1/1) ... [2019-09-20 17:27:29,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5a4f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:29, skipping insertion in model container [2019-09-20 17:27:29,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:27:29" (1/1) ... [2019-09-20 17:27:29,642 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:27:29,695 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:27:30,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:27:30,165 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:27:30,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:27:30,267 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:27:30,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:30 WrapperNode [2019-09-20 17:27:30,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:27:30,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:27:30,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:27:30,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:27:30,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:30" (1/1) ... [2019-09-20 17:27:30,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:30" (1/1) ... [2019-09-20 17:27:30,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:30" (1/1) ... [2019-09-20 17:27:30,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:30" (1/1) ... [2019-09-20 17:27:30,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:30" (1/1) ... [2019-09-20 17:27:30,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:30" (1/1) ... [2019-09-20 17:27:30,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:30" (1/1) ... [2019-09-20 17:27:30,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:27:30,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:27:30,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:27:30,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:27:30,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:27:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:27:30,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:27:30,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:27:30,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 17:27:30,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 17:27:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 17:27:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 17:27:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 17:27:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-09-20 17:27:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2019-09-20 17:27:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2019-09-20 17:27:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:27:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:27:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 17:27:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 17:27:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 17:27:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 17:27:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 17:27:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 17:27:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 17:27:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 17:27:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 17:27:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 17:27:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 17:27:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 17:27:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 17:27:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 17:27:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 17:27:30,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 17:27:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 17:27:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 17:27:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 17:27:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 17:27:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 17:27:30,401 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 17:27:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 17:27:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 17:27:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 17:27:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 17:27:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 17:27:30,402 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 17:27:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 17:27:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 17:27:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 17:27:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 17:27:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 17:27:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 17:27:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 17:27:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 17:27:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 17:27:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 17:27:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 17:27:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 17:27:30,404 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 17:27:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 17:27:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 17:27:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 17:27:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 17:27:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 17:27:30,405 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 17:27:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 17:27:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 17:27:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 17:27:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 17:27:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 17:27:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 17:27:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 17:27:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 17:27:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 17:27:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 17:27:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 17:27:30,407 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 17:27:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 17:27:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 17:27:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 17:27:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 17:27:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 17:27:30,408 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 17:27:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 17:27:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 17:27:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 17:27:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 17:27:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 17:27:30,409 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 17:27:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 17:27:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 17:27:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 17:27:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 17:27:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 17:27:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 17:27:30,410 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 17:27:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 17:27:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 17:27:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 17:27:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 17:27:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 17:27:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 17:27:30,411 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 17:27:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 17:27:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 17:27:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 17:27:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 17:27:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 17:27:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 17:27:30,412 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 17:27:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 17:27:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 17:27:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 17:27:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 17:27:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 17:27:30,413 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 17:27:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 17:27:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 17:27:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 17:27:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 17:27:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 17:27:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 17:27:30,414 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 17:27:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 17:27:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 17:27:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 17:27:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:27:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:27:30,415 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 17:27:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-09-20 17:27:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:27:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:27:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2019-09-20 17:27:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:27:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2019-09-20 17:27:30,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:27:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:27:30,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:27:30,927 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 17:27:31,186 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:27:31,186 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-20 17:27:31,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:27:31 BoogieIcfgContainer [2019-09-20 17:27:31,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:27:31,189 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:27:31,189 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:27:31,189 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:27:31,190 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:27:31" (1/1) ... [2019-09-20 17:27:31,191 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 [2019-09-20 17:27:31,220 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:27:31,220 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:27:31,230 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:27:31,238 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:27:31,239 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:27:31,422 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:27:31,551 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 17:27:32,338 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-20 17:27:32,887 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:27:33,041 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 17:27:33,397 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-20 17:27:33,579 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 17:27:33,910 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 17:27:34,029 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:27:34,166 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-20 17:27:34,437 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2019-09-20 17:27:35,273 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2019-09-20 17:27:35,696 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:27:36,109 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:27:36,535 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:27:36,894 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 17:27:37,233 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 17:27:37,571 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 17:27:37,912 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:27:38,205 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:27:38,587 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-20 17:27:44,044 WARN L191 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 232 DAG size of output: 135 [2019-09-20 17:27:45,493 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 17:27:46,639 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:27:47,355 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 17:27:48,169 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-09-20 17:27:48,735 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-20 17:27:49,205 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-09-20 17:27:49,673 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2019-09-20 17:27:49,868 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:27:50,080 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:27:50,498 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-20 17:27:50,995 WARN L191 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2019-09-20 17:27:51,235 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 17:27:51,774 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2019-09-20 17:27:53,201 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 164 DAG size of output: 163 [2019-09-20 17:27:53,924 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 17:27:54,593 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 17:27:55,273 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-09-20 17:27:55,962 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-20 17:27:56,614 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-20 17:27:57,283 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-20 17:27:57,880 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 17:27:58,470 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:27:59,051 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 17:27:59,597 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 17:28:00,566 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-20 17:28:00,596 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 17:28:00,883 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 17:28:01,171 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 17:28:01,705 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-20 17:28:01,762 WARN L225 Elim1Store]: Array PQE input equivalent to false