java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:46:00,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:46:00,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:46:00,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:46:00,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:46:00,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:46:00,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:46:00,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:46:00,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:46:00,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:46:00,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:46:00,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:46:00,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:46:00,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:46:00,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:46:00,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:46:00,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:46:00,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:46:00,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:46:00,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:46:00,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:46:00,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:46:00,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:46:00,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:46:00,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:46:00,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:46:00,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:46:00,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:46:00,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:46:00,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:46:00,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:46:00,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:46:00,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:46:00,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:46:00,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:46:00,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:46:00,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:46:00,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:46:00,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:46:00,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:46:00,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:46:00,576 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 15:46:00,592 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:46:00,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:46:00,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:46:00,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:46:00,598 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:46:00,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:46:00,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:46:00,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:46:00,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:46:00,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:46:00,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:46:00,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:46:00,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:46:00,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:46:00,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:46:00,601 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:46:00,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:46:00,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:46:00,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:46:00,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:46:00,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:46:00,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:46:00,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:46:00,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:46:00,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:46:00,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:46:00,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:46:00,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:46:00,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:46:00,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:46:00,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:46:00,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:46:00,660 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:46:00,660 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:46:00,661 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-20 15:46:00,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0926fe8/b7aa9c540ce449a9b7ca2bcd890887f6/FLAGae05b673b [2019-09-20 15:46:01,244 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:46:01,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_insert_equal.i [2019-09-20 15:46:01,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0926fe8/b7aa9c540ce449a9b7ca2bcd890887f6/FLAGae05b673b [2019-09-20 15:46:01,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a0926fe8/b7aa9c540ce449a9b7ca2bcd890887f6 [2019-09-20 15:46:01,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:46:01,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:46:01,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:46:01,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:46:01,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:46:01,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:46:01" (1/1) ... [2019-09-20 15:46:01,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6c1520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:46:01, skipping insertion in model container [2019-09-20 15:46:01,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:46:01" (1/1) ... [2019-09-20 15:46:01,602 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:46:01,640 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:46:02,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:46:02,097 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:46:02,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:46:02,227 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:46:02,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:46:02 WrapperNode [2019-09-20 15:46:02,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:46:02,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:46:02,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:46:02,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:46:02,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:46:02" (1/1) ... [2019-09-20 15:46:02,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:46:02" (1/1) ... [2019-09-20 15:46:02,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:46:02" (1/1) ... [2019-09-20 15:46:02,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:46:02" (1/1) ... [2019-09-20 15:46:02,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:46:02" (1/1) ... [2019-09-20 15:46:02,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:46:02" (1/1) ... [2019-09-20 15:46:02,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:46:02" (1/1) ... [2019-09-20 15:46:02,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:46:02,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:46:02,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:46:02,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:46:02,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:46:02" (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 15:46:02,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:46:02,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:46:02,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 15:46:02,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 15:46:02,396 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 15:46:02,397 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 15:46:02,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 15:46:02,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 15:46:02,397 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert [2019-09-20 15:46:02,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:46:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:46:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 15:46:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 15:46:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 15:46:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 15:46:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 15:46:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 15:46:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 15:46:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 15:46:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 15:46:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 15:46:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 15:46:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 15:46:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 15:46:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 15:46:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 15:46:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 15:46:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 15:46:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 15:46:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 15:46:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 15:46:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 15:46:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 15:46:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 15:46:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 15:46:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 15:46:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 15:46:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 15:46:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 15:46:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 15:46:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 15:46:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 15:46:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 15:46:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 15:46:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 15:46:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 15:46:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 15:46:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 15:46:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 15:46:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 15:46:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 15:46:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 15:46:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 15:46:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 15:46:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 15:46:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 15:46:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 15:46:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 15:46:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 15:46:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 15:46:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 15:46:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 15:46:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 15:46:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 15:46:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 15:46:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 15:46:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 15:46:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 15:46:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 15:46:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 15:46:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 15:46:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 15:46:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 15:46:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 15:46:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 15:46:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 15:46:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 15:46:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 15:46:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 15:46:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 15:46:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 15:46:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 15:46:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 15:46:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 15:46:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 15:46:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 15:46:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 15:46:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 15:46:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 15:46:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 15:46:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 15:46:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 15:46:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 15:46:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 15:46:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 15:46:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 15:46:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 15:46:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 15:46:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 15:46:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 15:46:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 15:46:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 15:46:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 15:46:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 15:46:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 15:46:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 15:46:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 15:46:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 15:46:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 15:46:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 15:46:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 15:46:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 15:46:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 15:46:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 15:46:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 15:46:02,414 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 15:46:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 15:46:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 15:46:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 15:46:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 15:46:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 15:46:02,415 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 15:46:02,416 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 15:46:02,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 15:46:02,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 15:46:02,416 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert [2019-09-20 15:46:02,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:46:02,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 15:46:02,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 15:46:02,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 15:46:02,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:46:02,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:46:02,855 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 15:46:03,696 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:46:03,699 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 15:46:03,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:46:03 BoogieIcfgContainer [2019-09-20 15:46:03,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:46:03,702 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:46:03,702 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:46:03,703 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:46:03,704 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:46:03" (1/1) ... [2019-09-20 15:46:03,705 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:46:03,741 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:46:03,741 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:46:03,759 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:46:03,771 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:46:03,773 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:46:03,950 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 15:46:04,182 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:46:04,608 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:46:05,006 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:46:05,411 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:46:05,461 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:46:05,471 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:46:06,794 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 15:46:06,866 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 15:46:07,372 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 15:46:10,387 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 15:46:13,370 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 15:46:13,687 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2019-09-20 15:46:20,059 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2019-09-20 15:46:22,843 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2019-09-20 15:46:24,247 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2019-09-20 15:46:24,482 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2019-09-20 15:46:27,825 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:46:27,825 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:46:27,828 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 143#true [2019-09-20 15:46:27,839 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:46:27,839 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:46:27,841 INFO L168 Benchmark]: Toolchain (without parser) took 26254.36 ms. Allocated memory was 139.5 MB in the beginning and 337.6 MB in the end (delta: 198.2 MB). Free memory was 85.5 MB in the beginning and 227.8 MB in the end (delta: -142.3 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. [2019-09-20 15:46:27,841 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:46:27,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.58 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 85.3 MB in the beginning and 164.3 MB in the end (delta: -79.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:46:27,842 INFO L168 Benchmark]: Boogie Preprocessor took 99.17 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 161.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:46:27,843 INFO L168 Benchmark]: RCFGBuilder took 1373.14 ms. Allocated memory is still 200.8 MB. Free memory was 161.3 MB in the beginning and 86.0 MB in the end (delta: 75.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:46:27,844 INFO L168 Benchmark]: Sifa took 24137.35 ms. Allocated memory was 200.8 MB in the beginning and 337.6 MB in the end (delta: 136.8 MB). Free memory was 86.0 MB in the beginning and 227.8 MB in the end (delta: -141.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 15:46:27,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.58 ms. Allocated memory was 139.5 MB in the beginning and 200.8 MB in the end (delta: 61.3 MB). Free memory was 85.3 MB in the beginning and 164.3 MB in the end (delta: -79.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.17 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 161.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1373.14 ms. Allocated memory is still 200.8 MB. Free memory was 161.3 MB in the beginning and 86.0 MB in the end (delta: 75.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 7.1 GB. * Sifa took 24137.35 ms. Allocated memory was 200.8 MB in the beginning and 337.6 MB in the end (delta: 136.8 MB). Free memory was 86.0 MB in the beginning and 227.8 MB in the end (delta: -141.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 24088, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 65, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 51, TOOLS_POST_TIME[ms]: 23493, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 153, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 13, TOOLS_QUANTIFIERELIM_APPLICATIONS: 56, TOOLS_QUANTIFIERELIM_TIME[ms]: 23625, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20746, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 77, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 21, DOMAIN_JOIN_TIME[ms]: 221, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 79, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 5, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2799, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2799, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 23799, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 23799, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 141, DAG_COMPRESSION_RETAINED_NODES: 66 - UnprovableResult [Line: 643]: 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 143#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...