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-properties/list_flag-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:29:04,102 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:29:04,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:29:04,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:29:04,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:29:04,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:29:04,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:29:04,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:29:04,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:29:04,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:29:04,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:29:04,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:29:04,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:29:04,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:29:04,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:29:04,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:29:04,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:29:04,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:29:04,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:29:04,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:29:04,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:29:04,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:29:04,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:29:04,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:29:04,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:29:04,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:29:04,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:29:04,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:29:04,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:29:04,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:29:04,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:29:04,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:29:04,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:29:04,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:29:04,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:29:04,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:29:04,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:29:04,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:29:04,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:29:04,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:29:04,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:29:04,150 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 16:29:04,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:29:04,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:29:04,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:29:04,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:29:04,170 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:29:04,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:29:04,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:29:04,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:29:04,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:29:04,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:29:04,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:29:04,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:29:04,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:29:04,173 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:29:04,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:29:04,173 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:29:04,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:29:04,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:29:04,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:29:04,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:29:04,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:29:04,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:04,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:29:04,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:29:04,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:29:04,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:29:04,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:29:04,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:29:04,177 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 16:29:04,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:29:04,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:29:04,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:29:04,254 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:29:04,255 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:29:04,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list_flag-2.i [2019-09-20 16:29:04,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346951b47/cbd8249d8f0348e3b1419d2463860583/FLAGf459f6d90 [2019-09-20 16:29:04,861 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:29:04,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list_flag-2.i [2019-09-20 16:29:04,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346951b47/cbd8249d8f0348e3b1419d2463860583/FLAGf459f6d90 [2019-09-20 16:29:05,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346951b47/cbd8249d8f0348e3b1419d2463860583 [2019-09-20 16:29:05,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:29:05,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:29:05,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:05,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:29:05,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:29:05,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb6c977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05, skipping insertion in model container [2019-09-20 16:29:05,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,126 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:29:05,182 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:29:05,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:05,630 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:29:05,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:29:05,747 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:29:05,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05 WrapperNode [2019-09-20 16:29:05,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:29:05,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:29:05,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:29:05,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:29:05,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... [2019-09-20 16:29:05,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:29:05,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:29:05,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:29:05,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:29:05,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:29:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:29:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:29:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:29:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 16:29:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 16:29:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-09-20 16:29:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-09-20 16:29:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-09-20 16:29:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 16:29:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:29:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:29:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:29:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 16:29:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 16:29:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 16:29:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 16:29:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 16:29:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 16:29:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 16:29:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 16:29:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 16:29:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 16:29:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 16:29:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 16:29:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 16:29:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 16:29:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 16:29:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 16:29:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 16:29:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 16:29:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-09-20 16:29:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-09-20 16:29:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-09-20 16:29:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 16:29:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 16:29:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 16:29:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 16:29:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 16:29:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 16:29:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 16:29:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 16:29:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 16:29:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 16:29:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 16:29:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 16:29:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 16:29:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 16:29:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 16:29:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 16:29:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 16:29:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 16:29:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 16:29:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 16:29:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 16:29:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 16:29:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 16:29:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 16:29:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 16:29:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 16:29:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 16:29:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 16:29:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 16:29:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 16:29:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 16:29:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 16:29:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 16:29:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 16:29:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 16:29:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 16:29:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 16:29:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 16:29:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 16:29:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 16:29:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 16:29:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 16:29:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 16:29:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 16:29:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 16:29:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 16:29:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 16:29:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 16:29:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 16:29:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 16:29:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 16:29:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 16:29:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 16:29:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 16:29:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 16:29:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 16:29:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 16:29:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 16:29:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 16:29:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 16:29:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 16:29:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 16:29:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 16:29:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 16:29:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 16:29:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 16:29:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 16:29:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 16:29:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 16:29:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 16:29:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 16:29:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 16:29:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 16:29:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 16:29:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 16:29:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 16:29:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 16:29:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 16:29:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 16:29:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 16:29:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 16:29:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 16:29:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 16:29:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 16:29:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 16:29:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 16:29:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 16:29:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:29:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 16:29:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 16:29:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 16:29:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 16:29:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 16:29:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:29:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:29:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 16:29:06,249 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 16:29:06,523 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:29:06,523 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 16:29:06,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:06 BoogieIcfgContainer [2019-09-20 16:29:06,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:29:06,526 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:29:06,526 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:29:06,527 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:29:06,529 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:29:06" (1/1) ... [2019-09-20 16:29:06,530 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 16:29:06,566 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:29:06,567 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:29:06,577 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:29:06,589 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:29:06,591 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:29:06,749 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 16:29:06,809 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 16:29:07,017 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2019-09-20 16:29:07,431 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 16:29:07,644 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-20 16:29:08,060 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 16:29:08,425 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 16:29:08,692 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 16:29:08,916 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 16:29:09,359 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-20 16:29:09,580 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 16:29:09,717 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 16:29:10,023 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 16:29:10,796 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 16:29:10,986 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-20 16:29:11,300 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 16:29:11,591 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 16:29:11,996 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 16:29:12,338 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 16:29:12,616 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 16:29:12,851 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 16:29:12,986 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 16:29:13,110 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 16:29:13,451 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 16:29:14,126 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-20 16:29:14,517 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 16:29:14,827 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 16:29:15,080 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 16:29:15,365 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 16:29:15,613 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 16:29:15,826 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 16:29:15,956 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 16:29:17,055 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-20 16:29:17,158 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 16:29:17,444 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 16:29:17,714 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 16:29:17,976 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 16:29:18,217 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 16:29:18,473 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 16:29:18,677 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-20 16:29:18,830 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 16:29:19,028 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 16:29:19,213 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-09-20 16:29:19,841 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:29:19,841 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:29:19,844 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 199#true [2019-09-20 16:29:19,860 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:29:19,860 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:29:19,861 INFO L168 Benchmark]: Toolchain (without parser) took 14752.62 ms. Allocated memory was 132.1 MB in the beginning and 396.4 MB in the end (delta: 264.2 MB). Free memory was 86.4 MB in the beginning and 277.9 MB in the end (delta: -191.5 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:19,862 INFO L168 Benchmark]: CDTParser took 1.14 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 16:29:19,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.49 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 86.2 MB in the beginning and 165.1 MB in the end (delta: -78.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:19,865 INFO L168 Benchmark]: Boogie Preprocessor took 88.86 ms. Allocated memory is still 200.8 MB. Free memory was 165.1 MB in the beginning and 162.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:19,867 INFO L168 Benchmark]: RCFGBuilder took 687.23 ms. Allocated memory is still 200.8 MB. Free memory was 162.1 MB in the beginning and 113.2 MB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:19,868 INFO L168 Benchmark]: Sifa took 13334.57 ms. Allocated memory was 200.8 MB in the beginning and 396.4 MB in the end (delta: 195.6 MB). Free memory was 113.2 MB in the beginning and 277.9 MB in the end (delta: -164.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:29:19,875 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.49 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 86.2 MB in the beginning and 165.1 MB in the end (delta: -78.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.86 ms. Allocated memory is still 200.8 MB. Free memory was 165.1 MB in the beginning and 162.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 687.23 ms. Allocated memory is still 200.8 MB. Free memory was 162.1 MB in the beginning and 113.2 MB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. * Sifa took 13334.57 ms. Allocated memory was 200.8 MB in the beginning and 396.4 MB in the end (delta: 195.6 MB). Free memory was 113.2 MB in the beginning and 277.9 MB in the end (delta: -164.7 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 13278, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 150, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 120, TOOLS_POST_TIME[ms]: 12297, TOOLS_POST_CALL_APPLICATIONS: 15, TOOLS_POST_CALL_TIME[ms]: 48, TOOLS_POST_RETURN_APPLICATIONS: 14, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_APPLICATIONS: 145, TOOLS_QUANTIFIERELIM_TIME[ms]: 12301, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 2092, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 164, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 41, DOMAIN_JOIN_TIME[ms]: 689, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 14, DOMAIN_ISSUBSETEQ_APPLICATIONS: 14, DOMAIN_ISSUBSETEQ_TIME[ms]: 22, DOMAIN_ISBOTTOM_APPLICATIONS: 29, DOMAIN_ISBOTTOM_TIME[ms]: 65, LOOP_SUMMARIZER_APPLICATIONS: 7, LOOP_SUMMARIZER_CACHE_MISSES: 7, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12114, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12113, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 14, CALL_SUMMARIZER_APPLICATIONS: 14, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 103, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 103, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 42, DAG_COMPRESSION_PROCESSED_NODES: 320, DAG_COMPRESSION_RETAINED_NODES: 141 - UnprovableResult [Line: 546]: 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 199#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...