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 IntervalDomain --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-ext2-properties/simple_search_value-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:29:46,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:29:47,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:29:47,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:29:47,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:29:47,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:29:47,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:29:47,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:29:47,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:29:47,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:29:47,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:29:47,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:29:47,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:29:47,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:29:47,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:29:47,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:29:47,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:29:47,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:29:47,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:29:47,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:29:47,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:29:47,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:29:47,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:29:47,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:29:47,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:29:47,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:29:47,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:29:47,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:29:47,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:29:47,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:29:47,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:29:47,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:29:47,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:29:47,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:29:47,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:29:47,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:29:47,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:29:47,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:29:47,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:29:47,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:29:47,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:29:47,050 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 16:29:47,065 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:29:47,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:29:47,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:29:47,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:29:47,067 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:29:47,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:29:47,067 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:29:47,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:29:47,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:29:47,068 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:29:47,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:29:47,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:29:47,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:29:47,069 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:29:47,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:29:47,069 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:29:47,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:29:47,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:29:47,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:29:47,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:29:47,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:29:47,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:47,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:29:47,071 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:29:47,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:29:47,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:29:47,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:29:47,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:29:47,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 16:29:47,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:29:47,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:29:47,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:29:47,119 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:29:47,119 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:29:47,120 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-09-20 16:29:47,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae929428b/3b1d13c1215445debe8f315007618a89/FLAGc885b68e4 [2019-09-20 16:29:47,720 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:29:47,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_search_value-1.i [2019-09-20 16:29:47,737 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae929428b/3b1d13c1215445debe8f315007618a89/FLAGc885b68e4 [2019-09-20 16:29:48,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae929428b/3b1d13c1215445debe8f315007618a89 [2019-09-20 16:29:48,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:29:48,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:29:48,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:48,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:29:48,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:29:48,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:48" (1/1) ... [2019-09-20 16:29:48,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f684b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:48, skipping insertion in model container [2019-09-20 16:29:48,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:48" (1/1) ... [2019-09-20 16:29:48,039 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:29:48,098 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:29:48,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:48,559 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:29:48,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:48,705 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:29:48,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:48 WrapperNode [2019-09-20 16:29:48,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:48,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:29:48,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:29:48,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:29:48,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:48" (1/1) ... [2019-09-20 16:29:48,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:48" (1/1) ... [2019-09-20 16:29:48,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:48" (1/1) ... [2019-09-20 16:29:48,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:48" (1/1) ... [2019-09-20 16:29:48,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:48" (1/1) ... [2019-09-20 16:29:48,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:48" (1/1) ... [2019-09-20 16:29:48,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:48" (1/1) ... [2019-09-20 16:29:48,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:29:48,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:29:48,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:29:48,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:29:48,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:48" (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 16:29:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:29:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:29:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 16:29:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 16:29:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 16:29:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:29:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:29:48,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:29:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 16:29:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 16:29:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 16:29:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 16:29:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 16:29:48,832 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 16:29:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 16:29:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 16:29:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 16:29:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 16:29:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 16:29:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 16:29:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 16:29:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 16:29:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 16:29:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 16:29:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 16:29:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 16:29:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 16:29:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 16:29:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 16:29:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 16:29:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 16:29:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 16:29:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 16:29:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 16:29:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 16:29:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 16:29:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 16:29:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 16:29:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 16:29:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 16:29:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 16:29:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 16:29:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 16:29:48,837 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 16:29:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 16:29:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 16:29:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 16:29:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 16:29:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 16:29:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 16:29:48,838 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 16:29:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 16:29:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 16:29:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 16:29:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 16:29:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 16:29:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 16:29:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 16:29:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 16:29:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 16:29:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:29:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 16:29:48,840 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 16:29:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:29:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 16:29:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 16:29:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 16:29:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 16:29:48,841 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 16:29:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 16:29:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 16:29:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 16:29:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 16:29:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 16:29:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 16:29:48,842 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 16:29:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 16:29:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 16:29:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 16:29:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 16:29:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 16:29:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 16:29:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 16:29:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 16:29:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 16:29:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 16:29:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 16:29:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 16:29:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 16:29:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 16:29:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 16:29:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 16:29:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 16:29:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 16:29:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 16:29:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 16:29:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 16:29:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 16:29:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 16:29:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 16:29:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 16:29:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 16:29:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 16:29:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 16:29:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 16:29:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 16:29:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 16:29:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 16:29:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 16:29:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 16:29:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 16:29:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 16:29:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 16:29:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 16:29:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:29:48,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:29:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:29:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:29:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:29:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:29:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:29:48,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:29:48,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:29:49,232 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 16:29:49,518 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:29:49,519 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 16:29:49,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:49 BoogieIcfgContainer [2019-09-20 16:29:49,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:29:49,521 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:29:49,521 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:29:49,521 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:29:49,522 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:49" (1/1) ... [2019-09-20 16:29:49,523 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 16:29:49,554 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:29:49,554 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:29:49,562 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:29:49,571 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:29:49,573 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:29:49,719 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 16:29:49,765 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 16:29:50,586 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 86 [2019-09-20 16:29:50,717 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 16:29:51,606 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 96 [2019-09-20 16:29:51,887 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 16:29:52,067 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 16:29:53,200 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 86 [2019-09-20 16:29:53,965 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 96 [2019-09-20 16:29:54,172 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 16:29:55,115 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:29:55,115 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:29:55,117 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 82#(or (and (<= main_~p~0.base 0) (<= 0 main_~p~0.offset) (<= main_~hasSix~0 0) (<= main_~p~0.offset 0) (<= 0 main_~p~0.base) (<= 0 main_~hasSix~0)) (and (<= main_~p~0.base 0) (<= 0 main_~hasTwo~0) (<= 0 main_~p~0.offset) (<= main_~hasTwo~0 0) (<= main_~p~0.offset 0) (<= 0 main_~p~0.base))) [2019-09-20 16:29:55,132 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:29:55,133 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:29:55,134 INFO L168 Benchmark]: Toolchain (without parser) took 7113.22 ms. Allocated memory was 137.4 MB in the beginning and 331.4 MB in the end (delta: 194.0 MB). Free memory was 84.0 MB in the beginning and 283.3 MB in the end (delta: -199.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:29:55,135 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:29:55,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.37 ms. Allocated memory was 137.4 MB in the beginning and 199.2 MB in the end (delta: 61.9 MB). Free memory was 83.8 MB in the beginning and 164.6 MB in the end (delta: -80.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:55,136 INFO L168 Benchmark]: Boogie Preprocessor took 66.51 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 162.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:55,137 INFO L168 Benchmark]: RCFGBuilder took 747.33 ms. Allocated memory is still 199.2 MB. Free memory was 162.0 MB in the beginning and 113.8 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:55,137 INFO L168 Benchmark]: Sifa took 5612.27 ms. Allocated memory was 199.2 MB in the beginning and 331.4 MB in the end (delta: 132.1 MB). Free memory was 113.8 MB in the beginning and 283.3 MB in the end (delta: -169.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:29:55,140 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 137.4 MB. Free memory was 103.5 MB in the beginning and 103.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.37 ms. Allocated memory was 137.4 MB in the beginning and 199.2 MB in the end (delta: 61.9 MB). Free memory was 83.8 MB in the beginning and 164.6 MB in the end (delta: -80.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.51 ms. Allocated memory is still 199.2 MB. Free memory was 164.6 MB in the beginning and 162.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 747.33 ms. Allocated memory is still 199.2 MB. Free memory was 162.0 MB in the beginning and 113.8 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 7.1 GB. * Sifa took 5612.27 ms. Allocated memory was 199.2 MB in the beginning and 331.4 MB in the end (delta: 132.1 MB). Free memory was 113.8 MB in the beginning and 283.3 MB in the end (delta: -169.5 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]: 5563, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 66, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 55, TOOLS_POST_TIME[ms]: 5235, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 22, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 49, TOOLS_QUANTIFIERELIM_TIME[ms]: 5225, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 907, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 74, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 14, DOMAIN_JOIN_TIME[ms]: 150, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 17, DOMAIN_ISSUBSETEQ_APPLICATIONS: 8, DOMAIN_ISSUBSETEQ_TIME[ms]: 7, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 22, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4801, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4801, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 99, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 98, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 310, DAG_COMPRESSION_RETAINED_NODES: 106 - UnprovableResult [Line: 565]: 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 82#(or (and (<= main_~p~0.base 0) (<= 0 main_~p~0.offset) (<= main_~hasSix~0 0) (<= main_~p~0.offset 0) (<= 0 main_~p~0.base) (<= 0 main_~hasSix~0)) (and (<= main_~p~0.base 0) (<= 0 main_~hasTwo~0) (<= 0 main_~p~0.offset) (<= main_~hasTwo~0 0) (<= main_~p~0.offset 0) (<= 0 main_~p~0.base))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...