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 -i ../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:48:58,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:48:58,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:48:58,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:48:58,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:48:58,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:48:58,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:48:58,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:48:58,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:48:58,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:48:58,135 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:48:58,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:48:58,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:48:58,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:48:58,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:48:58,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:48:58,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:48:58,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:48:58,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:48:58,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:48:58,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:48:58,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:48:58,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:48:58,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:48:58,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:48:58,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:48:58,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:48:58,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:48:58,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:48:58,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:48:58,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:48:58,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:48:58,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:48:58,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:48:58,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:48:58,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:48:58,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:48:58,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:48:58,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:48:58,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:48:58,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:48:58,164 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 [2019-08-22 21:48:58,179 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:48:58,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:48:58,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:48:58,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:48:58,181 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:48:58,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:48:58,181 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:48:58,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:48:58,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:48:58,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:48:58,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:48:58,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:48:58,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:48:58,183 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:48:58,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:48:58,183 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:48:58,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:48:58,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:48:58,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:48:58,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:48:58,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:48:58,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:48:58,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:48:58,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:48:58,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:48:58,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:48:58,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:48:58,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:48:58,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:48:58,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:48:58,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:48:58,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:48:58,238 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:48:58,238 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:48:58,239 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue-1.i [2019-08-22 21:48:58,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee2be3c0/8ce2c7b70c9347deacc7d6ca6d144f49/FLAG4f30adf2b [2019-08-22 21:48:58,778 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:48:58,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-simple-white-blue-1.i [2019-08-22 21:48:58,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee2be3c0/8ce2c7b70c9347deacc7d6ca6d144f49/FLAG4f30adf2b [2019-08-22 21:48:59,150 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee2be3c0/8ce2c7b70c9347deacc7d6ca6d144f49 [2019-08-22 21:48:59,159 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:48:59,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:48:59,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:48:59,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:48:59,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:48:59,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:48:59" (1/1) ... [2019-08-22 21:48:59,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78384c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:59, skipping insertion in model container [2019-08-22 21:48:59,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:48:59" (1/1) ... [2019-08-22 21:48:59,177 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:48:59,233 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:48:59,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:48:59,739 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:48:59,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:48:59,838 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:48:59,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:59 WrapperNode [2019-08-22 21:48:59,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:48:59,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:48:59,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:48:59,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:48:59,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:59" (1/1) ... [2019-08-22 21:48:59,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:59" (1/1) ... [2019-08-22 21:48:59,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:59" (1/1) ... [2019-08-22 21:48:59,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:59" (1/1) ... [2019-08-22 21:48:59,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:59" (1/1) ... [2019-08-22 21:48:59,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:59" (1/1) ... [2019-08-22 21:48:59,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:59" (1/1) ... [2019-08-22 21:48:59,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:48:59,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:48:59,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:48:59,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:48:59,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:59" (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 [2019-08-22 21:48:59,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:48:59,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:48:59,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:48:59,976 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-22 21:48:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-22 21:48:59,977 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-22 21:48:59,978 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-22 21:48:59,978 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-22 21:48:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-22 21:48:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-22 21:48:59,979 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-22 21:48:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-22 21:48:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-22 21:48:59,980 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-22 21:48:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-22 21:48:59,981 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-22 21:48:59,983 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-22 21:48:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-22 21:48:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-22 21:48:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-22 21:48:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-22 21:48:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-22 21:48:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-22 21:48:59,984 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-22 21:48:59,985 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-22 21:48:59,985 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-22 21:48:59,985 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-22 21:48:59,985 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-22 21:48:59,985 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-22 21:48:59,985 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-22 21:48:59,985 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-22 21:48:59,986 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-22 21:48:59,986 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-22 21:48:59,986 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-22 21:48:59,986 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-22 21:48:59,986 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-22 21:48:59,986 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-22 21:48:59,986 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-22 21:48:59,987 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-22 21:48:59,987 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-22 21:48:59,987 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-22 21:48:59,987 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-22 21:48:59,987 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-22 21:48:59,987 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-22 21:48:59,987 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-22 21:48:59,988 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-22 21:48:59,988 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-22 21:48:59,988 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-22 21:48:59,988 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-22 21:48:59,988 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-22 21:48:59,988 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-22 21:48:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-22 21:48:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-22 21:48:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:48:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:48:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:48:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:48:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:48:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-22 21:48:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:48:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-22 21:48:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-22 21:48:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-22 21:48:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-22 21:48:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-22 21:48:59,992 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-22 21:48:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-22 21:48:59,993 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-22 21:48:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-22 21:48:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-22 21:48:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-22 21:48:59,994 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-22 21:48:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-22 21:48:59,995 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-22 21:48:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-22 21:48:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-22 21:48:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-22 21:48:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-22 21:48:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-22 21:48:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-22 21:48:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-22 21:48:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-22 21:48:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-22 21:48:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-22 21:48:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-22 21:48:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-22 21:48:59,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-22 21:48:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-22 21:48:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-22 21:48:59,999 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-22 21:49:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-22 21:49:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-22 21:49:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-22 21:49:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-22 21:49:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-22 21:49:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-22 21:49:00,000 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-22 21:49:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-22 21:49:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-22 21:49:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-22 21:49:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-22 21:49:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-22 21:49:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-22 21:49:00,001 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-22 21:49:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-22 21:49:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-22 21:49:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:49:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:49:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:49:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-22 21:49:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:49:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:49:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:49:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:49:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:49:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:49:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:49:00,526 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:49:00,526 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-08-22 21:49:00,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:49:00 BoogieIcfgContainer [2019-08-22 21:49:00,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:49:00,529 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:49:00,529 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:49:00,529 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:49:00,531 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:49:00" (1/1) ... [2019-08-22 21:49:00,548 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:49:00,551 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:49:00,560 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:49:00,570 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:49:00,572 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:49:00,685 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-22 21:49:00,686 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:00,711 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:00,712 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:49:00,712 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:49:00,751 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:49:00,814 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:01,110 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2019-08-22 21:49:01,111 INFO L567 ElimStorePlain]: treesize reduction 9, result has 92.7 percent of original size [2019-08-22 21:49:01,113 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:01,113 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:114 [2019-08-22 21:49:01,140 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_8|, |v_#memory_$Pointer$.base_8|], 4=[|v_#memory_$Pointer$.base_27|, |v_#memory_$Pointer$.offset_27|, |v_#memory_int_10|]} [2019-08-22 21:49:01,150 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:01,571 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-08-22 21:49:01,572 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:01,582 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:01,977 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-08-22 21:49:01,978 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:01,999 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:02,311 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-08-22 21:49:02,312 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:02,326 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:02,547 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-08-22 21:49:02,548 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:02,566 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:02,751 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-08-22 21:49:02,751 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:02,753 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 5 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:02,754 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:257, output treesize:226 [2019-08-22 21:49:02,795 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:02,830 INFO L392 ElimStorePlain]: Different costs {1=[v_prenex_4], 2=[|v_#memory_$Pointer$.offset_8|, v_prenex_6, |v_#memory_$Pointer$.base_8|, v_prenex_7], 4=[|v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.offset_28|, v_prenex_2, |v_#memory_int_10|]} [2019-08-22 21:49:02,912 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:11,472 WARN L188 SmtUtils]: Spent 8.56 s on a formula simplification that was a NOOP. DAG size: 185 [2019-08-22 21:49:11,473 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:11,533 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:19,021 WARN L188 SmtUtils]: Spent 7.49 s on a formula simplification that was a NOOP. DAG size: 181 [2019-08-22 21:49:19,022 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:19,048 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:25,084 WARN L188 SmtUtils]: Spent 6.04 s on a formula simplification that was a NOOP. DAG size: 177 [2019-08-22 21:49:25,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:25,120 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:30,389 WARN L188 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 173 [2019-08-22 21:49:30,390 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:30,444 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:35,664 WARN L188 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 169 [2019-08-22 21:49:35,665 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:35,704 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:40,230 WARN L188 SmtUtils]: Spent 4.53 s on a formula simplification that was a NOOP. DAG size: 165 [2019-08-22 21:49:40,231 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:40,253 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:44,444 WARN L188 SmtUtils]: Spent 4.19 s on a formula simplification that was a NOOP. DAG size: 161 [2019-08-22 21:49:44,445 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:44,468 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:49,338 WARN L188 SmtUtils]: Spent 4.87 s on a formula simplification that was a NOOP. DAG size: 158 [2019-08-22 21:49:49,339 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:49,374 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:53,206 WARN L188 SmtUtils]: Spent 3.83 s on a formula simplification that was a NOOP. DAG size: 155 [2019-08-22 21:49:53,207 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:53,211 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 9 dim-2 vars, End of recursive call: 16 dim-0 vars, and 2 xjuncts. [2019-08-22 21:49:53,211 INFO L221 ElimStorePlain]: Needed 10 recursive calls to eliminate 17 variables, input treesize:677, output treesize:639 [2019-08-22 21:49:53,356 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:53,361 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:53,374 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:53,438 INFO L392 ElimStorePlain]: Different costs {1=[v_prenex_20, v_prenex_33, v_prenex_11], 2=[|v_#memory_$Pointer$.offset_8|, v_prenex_14, v_prenex_24, v_prenex_13, v_prenex_34, v_prenex_28, |v_#memory_$Pointer$.base_8|, v_prenex_26], 4=[v_prenex_9, |v_#memory_$Pointer$.offset_29|, v_prenex_31, |v_#memory_$Pointer$.base_29|, v_prenex_16, |v_#memory_int_10|]} [2019-08-22 21:49:55,468 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.