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-a32b1f7 [2019-08-18 07:08:22,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:08:22,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:08:22,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:08:22,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:08:22,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:08:22,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:08:22,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:08:22,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:08:22,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:08:22,242 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:08:22,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:08:22,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:08:22,245 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:08:22,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:08:22,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:08:22,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:08:22,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:08:22,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:08:22,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:08:22,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:08:22,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:08:22,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:08:22,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:08:22,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:08:22,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:08:22,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:08:22,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:08:22,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:08:22,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:08:22,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:08:22,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:08:22,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:08:22,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:08:22,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:08:22,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:08:22,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:08:22,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:08:22,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:08:22,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:08:22,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:08:22,270 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 [2019-08-18 07:08:22,285 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:08:22,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:08:22,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:08:22,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:08:22,287 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:08:22,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:08:22,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:08:22,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:08:22,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:08:22,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:08:22,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:08:22,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:08:22,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:08:22,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:08:22,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:08:22,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:08:22,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:08:22,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:08:22,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:08:22,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:08:22,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:08:22,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:08:22,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:08:22,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:08:22,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:08:22,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:08:22,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:08:22,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:08:22,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:08:22,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:08:22,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:08:22,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:08:22,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:08:22,343 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:08:22,343 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue-1.i [2019-08-18 07:08:22,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da6a2bbf3/7bae44cb5fec4d058567127c763d6bb8/FLAG72494d05a [2019-08-18 07:08:22,999 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:08:23,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-simple-white-blue-1.i [2019-08-18 07:08:23,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da6a2bbf3/7bae44cb5fec4d058567127c763d6bb8/FLAG72494d05a [2019-08-18 07:08:23,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da6a2bbf3/7bae44cb5fec4d058567127c763d6bb8 [2019-08-18 07:08:23,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:08:23,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:08:23,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:08:23,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:08:23,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:08:23,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:08:23" (1/1) ... [2019-08-18 07:08:23,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d309e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:08:23, skipping insertion in model container [2019-08-18 07:08:23,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:08:23" (1/1) ... [2019-08-18 07:08:23,292 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:08:23,366 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:08:23,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:08:23,885 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:08:23,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:08:23,990 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:08:23,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:08:23 WrapperNode [2019-08-18 07:08:23,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:08:23,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:08:23,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:08:23,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:08:24,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:08:23" (1/1) ... [2019-08-18 07:08:24,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:08:23" (1/1) ... [2019-08-18 07:08:24,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:08:23" (1/1) ... [2019-08-18 07:08:24,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:08:23" (1/1) ... [2019-08-18 07:08:24,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:08:23" (1/1) ... [2019-08-18 07:08:24,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:08:23" (1/1) ... [2019-08-18 07:08:24,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:08:23" (1/1) ... [2019-08-18 07:08:24,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:08:24,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:08:24,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:08:24,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:08:24,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:08:23" (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 [2019-08-18 07:08:24,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:08:24,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:08:24,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:08:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:08:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:08:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:08:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:08:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:08:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:08:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:08:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:08:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:08:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:08:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:08:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:08:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:08:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:08:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:08:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:08:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:08:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:08:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:08:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:08:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:08:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:08:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:08:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:08:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:08:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:08:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:08:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:08:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:08:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:08:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:08:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:08:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:08:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:08:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:08:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:08:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:08:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:08:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:08:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:08:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:08:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:08:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:08:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:08:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:08:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:08:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:08:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:08:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:08:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:08:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:08:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:08:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:08:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:08:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:08:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:08:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:08:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:08:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:08:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:08:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:08:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:08:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:08:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:08:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:08:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:08:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:08:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:08:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:08:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:08:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:08:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:08:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:08:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:08:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:08:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:08:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:08:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:08:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:08:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:08:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:08:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:08:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:08:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:08:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:08:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:08:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:08:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:08:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:08:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:08:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:08:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:08:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:08:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:08:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:08:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:08:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:08:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:08:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:08:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:08:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:08:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:08:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:08:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:08:24,717 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:08:24,717 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-08-18 07:08:24,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:08:24 BoogieIcfgContainer [2019-08-18 07:08:24,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:08:24,720 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:08:24,721 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:08:24,721 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:08:24,723 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:08:24" (1/1) ... [2019-08-18 07:08:24,737 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:08:24,740 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:08:24,750 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:08:24,761 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:08:24,764 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:08:24,874 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 [2019-08-18 07:08:24,874 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:24,896 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:24,897 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:08:24,898 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:08:24,909 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:08:24,967 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:25,081 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-08-18 07:08:25,082 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:25,083 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:25,084 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:123, output treesize:111 [2019-08-18 07:08:25,148 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|]} [2019-08-18 07:08:25,164 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:25,654 WARN L188 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-08-18 07:08:25,655 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:25,669 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:26,114 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-08-18 07:08:26,115 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:26,125 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:26,413 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-08-18 07:08:26,414 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:26,422 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:26,643 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-08-18 07:08:26,643 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:26,656 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:26,863 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-18 07:08:26,864 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:26,866 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. [2019-08-18 07:08:26,866 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:254, output treesize:223 [2019-08-18 07:08:26,898 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:26,953 INFO L392 ElimStorePlain]: Different costs {1=[|v_#memory_int_24|], 2=[|v_#memory_$Pointer$.offset_8|, |v_#memory_$Pointer$.base_8|, v_prenex_6, v_prenex_7], 4=[v_prenex_1, v_prenex_2, v_prenex_3, |v_#memory_int_10|]} [2019-08-18 07:08:27,016 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:34,438 WARN L188 SmtUtils]: Spent 7.42 s on a formula simplification that was a NOOP. DAG size: 184 [2019-08-18 07:08:34,438 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:34,471 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:41,962 WARN L188 SmtUtils]: Spent 7.49 s on a formula simplification that was a NOOP. DAG size: 180 [2019-08-18 07:08:41,963 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:41,995 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:48,405 WARN L188 SmtUtils]: Spent 6.41 s on a formula simplification that was a NOOP. DAG size: 176 [2019-08-18 07:08:48,406 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:48,447 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:53,777 WARN L188 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 172 [2019-08-18 07:08:53,777 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:53,830 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:58,827 WARN L188 SmtUtils]: Spent 5.00 s on a formula simplification that was a NOOP. DAG size: 168 [2019-08-18 07:08:58,828 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:58,872 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:09:02,547 WARN L188 SmtUtils]: Spent 3.67 s on a formula simplification that was a NOOP. DAG size: 164 [2019-08-18 07:09:02,547 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:02,595 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:09:06,287 WARN L188 SmtUtils]: Spent 3.69 s on a formula simplification that was a NOOP. DAG size: 161 [2019-08-18 07:09:06,287 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:06,328 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:09:09,788 WARN L188 SmtUtils]: Spent 3.46 s on a formula simplification that was a NOOP. DAG size: 157 [2019-08-18 07:09:09,789 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:09,829 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:09:14,004 WARN L188 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 154 [2019-08-18 07:09:14,005 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:14,008 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. [2019-08-18 07:09:14,009 INFO L221 ElimStorePlain]: Needed 10 recursive calls to eliminate 17 variables, input treesize:671, output treesize:633 [2019-08-18 07:09:14,112 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_14|], 1=[|v_#valid_21|]} [2019-08-18 07:09:14,126 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2019-08-18 07:09:14,126 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:14,236 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-08-18 07:09:14,236 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:14,249 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 07:09:14,249 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:14,376 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-08-18 07:09:14,377 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:14,379 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_29|, |v_#memory_$Pointer$.base_29|, |v_#memory_int_25|], 2=[|v_#memory_$Pointer$.offset_8|, |v_#memory_$Pointer$.base_8|], 4=[|v_#memory_int_10|]} [2019-08-18 07:09:14,434 INFO L341 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2019-08-18 07:09:14,437 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 35 treesize of output 17 [2019-08-18 07:09:14,438 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2019-08-18 07:09:14,540 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-08-18 07:09:14,541 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:14,589 INFO L341 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2019-08-18 07:09:14,589 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 17 [2019-08-18 07:09:14,590 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-08-18 07:09:14,661 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:14,674 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 1 [2019-08-18 07:09:14,675 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:14,758 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:14,783 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:14,784 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 52 [2019-08-18 07:09:14,784 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:09:14,786 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:14,885 INFO L567 ElimStorePlain]: treesize reduction 23, result has 81.1 percent of original size [2019-08-18 07:09:14,912 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:14,913 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 52 [2019-08-18 07:09:14,913 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:09:14,914 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:15,018 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-08-18 07:09:15,019 INFO L567 ElimStorePlain]: treesize reduction 16, result has 86.4 percent of original size [2019-08-18 07:09:15,027 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:09:15,029 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2019-08-18 07:09:15,029 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:15,073 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:15,073 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 07:09:15,074 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:09:15,075 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:09:15,076 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 10 variables, input treesize:161, output treesize:50 [2019-08-18 07:09:15,086 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_22|]} [2019-08-18 07:09:15,099 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2019-08-18 07:09:15,099 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:15,231 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-08-18 07:09:15,232 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:15,246 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 07:09:15,247 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:15,374 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-08-18 07:09:15,375 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:15,378 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_26|, |v_#memory_$Pointer$.base_30|, |v_#memory_$Pointer$.offset_30|], 2=[|v_#memory_$Pointer$.offset_8|, |v_#memory_$Pointer$.base_8|], 4=[|v_#memory_int_10|]} [2019-08-18 07:09:15,389 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 1 [2019-08-18 07:09:15,389 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:15,470 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:15,513 INFO L341 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2019-08-18 07:09:15,514 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 17 [2019-08-18 07:09:15,514 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2019-08-18 07:09:15,585 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:15,623 INFO L341 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2019-08-18 07:09:15,623 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 35 treesize of output 17 [2019-08-18 07:09:15,624 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2019-08-18 07:09:15,677 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:15,707 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:15,708 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 52 [2019-08-18 07:09:15,709 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:09:15,710 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:15,823 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-08-18 07:09:15,824 INFO L567 ElimStorePlain]: treesize reduction 23, result has 81.1 percent of original size [2019-08-18 07:09:15,847 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:15,848 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 52 [2019-08-18 07:09:15,849 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:09:15,850 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:15,953 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-08-18 07:09:15,953 INFO L567 ElimStorePlain]: treesize reduction 16, result has 86.4 percent of original size [2019-08-18 07:09:15,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:09:15,962 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2019-08-18 07:09:15,963 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,005 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,009 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:09:16,010 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 07:09:16,011 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,011 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 10 variables, input treesize:161, output treesize:50 [2019-08-18 07:09:16,028 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_23|]} [2019-08-18 07:09:16,036 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2019-08-18 07:09:16,037 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,113 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,125 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 07:09:16,126 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,234 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-18 07:09:16,235 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,237 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_27|, |v_#memory_$Pointer$.base_31|, |v_#memory_$Pointer$.offset_31|], 2=[|v_#memory_$Pointer$.base_12|, |v_#memory_$Pointer$.offset_12|]} [2019-08-18 07:09:16,249 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:09:16,250 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2019-08-18 07:09:16,251 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,332 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,341 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2019-08-18 07:09:16,341 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,401 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,409 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2019-08-18 07:09:16,409 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,447 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,454 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-08-18 07:09:16,455 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,487 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,492 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2019-08-18 07:09:16,493 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,524 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,525 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 5 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,525 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 9 variables, input treesize:120, output treesize:42 [2019-08-18 07:09:16,535 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:09:16,536 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:09:16,537 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:09:16,540 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-18 07:09:16,560 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_17|], 1=[|v_#valid_24|]} [2019-08-18 07:09:16,577 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2019-08-18 07:09:16,577 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,684 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-08-18 07:09:16,685 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,702 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2019-08-18 07:09:16,702 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,786 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,789 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_28|], 2=[|v_#memory_$Pointer$.offset_21|, |v_#memory_$Pointer$.base_21|], 4=[|v_#memory_int_18|, |v_#memory_$Pointer$.offset_32|, |v_#memory_$Pointer$.base_32|]} [2019-08-18 07:09:16,797 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 15 treesize of output 1 [2019-08-18 07:09:16,798 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:16,869 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,874 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:09:16,930 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,935 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:09:16,980 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:16,988 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:09:16,989 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2019-08-18 07:09:16,989 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:17,024 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:17,036 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:09:17,038 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2019-08-18 07:09:17,038 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:17,069 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:17,076 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:09:17,077 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2019-08-18 07:09:17,078 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-18 07:09:17,102 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:09:17,103 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:09:17,103 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 8 variables, input treesize:143, output treesize:44 [2019-08-18 07:09:17,120 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:09:17,187 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:09:17,191 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:09:17,191 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:09:17,194 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 205#(and (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1) (or (not (= main_~x~0.offset 0)) (not (= 0 main_~x~0.base)))) [2019-08-18 07:09:17,208 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:09:17,212 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:09:17,217 INFO L168 Benchmark]: Toolchain (without parser) took 53940.74 ms. Allocated memory was 131.6 MB in the beginning and 312.0 MB in the end (delta: 180.4 MB). Free memory was 86.2 MB in the beginning and 102.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 165.9 MB. Max. memory is 7.1 GB. [2019-08-18 07:09:17,218 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:09:17,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.19 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.0 MB in the beginning and 164.5 MB in the end (delta: -78.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:09:17,219 INFO L168 Benchmark]: Boogie Preprocessor took 66.90 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 161.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:09:17,220 INFO L168 Benchmark]: RCFGBuilder took 661.18 ms. Allocated memory is still 199.2 MB. Free memory was 161.2 MB in the beginning and 117.6 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. [2019-08-18 07:09:17,221 INFO L168 Benchmark]: Symbolic Interpretation took 52491.72 ms. Allocated memory was 199.2 MB in the beginning and 312.0 MB in the end (delta: 112.7 MB). Free memory was 117.6 MB in the beginning and 102.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 129.7 MB. Max. memory is 7.1 GB. [2019-08-18 07:09:17,226 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1042]: 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 205#(and (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1) (or (not (= main_~x~0.offset 0)) (not (= 0 main_~x~0.base)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.19 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 86.0 MB in the beginning and 164.5 MB in the end (delta: -78.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.90 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 161.2 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 661.18 ms. Allocated memory is still 199.2 MB. Free memory was 161.2 MB in the beginning and 117.6 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 52491.72 ms. Allocated memory was 199.2 MB in the beginning and 312.0 MB in the end (delta: 112.7 MB). Free memory was 117.6 MB in the beginning and 102.5 MB in the end (delta: 15.0 MB). Peak memory consumption was 129.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...