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/list-simple/dll2n_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:34:45,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:34:45,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:34:45,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:34:45,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:34:45,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:34:45,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:34:45,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:34:45,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:34:45,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:34:45,389 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:34:45,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:34:45,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:34:45,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:34:45,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:34:45,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:34:45,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:34:45,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:34:45,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:34:45,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:34:45,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:34:45,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:34:45,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:34:45,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:34:45,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:34:45,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:34:45,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:34:45,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:34:45,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:34:45,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:34:45,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:34:45,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:34:45,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:34:45,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:34:45,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:34:45,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:34:45,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:34:45,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:34:45,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:34:45,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:34:45,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:34:45,414 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 [2019-08-14 20:34:45,433 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:34:45,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:34:45,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:34:45,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:34:45,436 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:34:45,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:34:45,437 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:34:45,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:34:45,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:34:45,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:34:45,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:34:45,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:34:45,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:34:45,438 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:34:45,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:34:45,438 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:34:45,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:34:45,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:34:45,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:34:45,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:34:45,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:34:45,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:34:45,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:34:45,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:34:45,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:34:45,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:34:45,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:34:45,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:34:45,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:34:45,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:34:45,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:34:45,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:34:45,516 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:34:45,516 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:34:45,517 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_remove_all.i [2019-08-14 20:34:45,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98b7d58f/e0b2558989584b7490841e874e3409c7/FLAG3afc319ba [2019-08-14 20:34:46,158 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:34:46,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_remove_all.i [2019-08-14 20:34:46,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98b7d58f/e0b2558989584b7490841e874e3409c7/FLAG3afc319ba [2019-08-14 20:34:46,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c98b7d58f/e0b2558989584b7490841e874e3409c7 [2019-08-14 20:34:46,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:34:46,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:34:46,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:34:46,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:34:46,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:34:46,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:34:46" (1/1) ... [2019-08-14 20:34:46,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29121992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:46, skipping insertion in model container [2019-08-14 20:34:46,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:34:46" (1/1) ... [2019-08-14 20:34:46,476 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:34:46,534 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:34:46,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:34:46,971 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:34:47,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:34:47,085 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:34:47,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:47 WrapperNode [2019-08-14 20:34:47,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:34:47,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:34:47,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:34:47,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:34:47,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:47" (1/1) ... [2019-08-14 20:34:47,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:47" (1/1) ... [2019-08-14 20:34:47,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:47" (1/1) ... [2019-08-14 20:34:47,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:47" (1/1) ... [2019-08-14 20:34:47,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:47" (1/1) ... [2019-08-14 20:34:47,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:47" (1/1) ... [2019-08-14 20:34:47,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:47" (1/1) ... [2019-08-14 20:34:47,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:34:47,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:34:47,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:34:47,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:34:47,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:34:47" (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 [2019-08-14 20:34:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:34:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:34:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-14 20:34:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-14 20:34:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-14 20:34:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-14 20:34:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-08-14 20:34:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_remove_first [2019-08-14 20:34:47,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:34:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:34:47,215 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-14 20:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-14 20:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-14 20:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-14 20:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-14 20:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-14 20:34:47,216 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-14 20:34:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-14 20:34:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-14 20:34:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-14 20:34:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-14 20:34:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-14 20:34:47,217 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-14 20:34:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-14 20:34:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-14 20:34:47,218 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-14 20:34:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-14 20:34:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-14 20:34:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-14 20:34:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-14 20:34:47,219 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-14 20:34:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-14 20:34:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-14 20:34:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-14 20:34:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-14 20:34:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-14 20:34:47,220 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-14 20:34:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-14 20:34:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-14 20:34:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-14 20:34:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-14 20:34:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-14 20:34:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-14 20:34:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-14 20:34:47,221 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-14 20:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-14 20:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-14 20:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-14 20:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-14 20:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-14 20:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-14 20:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-14 20:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-14 20:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-14 20:34:47,222 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-14 20:34:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-14 20:34:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-14 20:34:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-14 20:34:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-14 20:34:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-14 20:34:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-14 20:34:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-14 20:34:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-14 20:34:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-14 20:34:47,223 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-14 20:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-14 20:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-14 20:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-14 20:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-14 20:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-14 20:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-14 20:34:47,224 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-14 20:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-14 20:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-14 20:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-14 20:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 20:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-14 20:34:47,225 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-14 20:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-14 20:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-14 20:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-14 20:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-14 20:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-14 20:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-14 20:34:47,226 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-14 20:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-14 20:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-14 20:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-14 20:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-14 20:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-14 20:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-14 20:34:47,227 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-14 20:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-14 20:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-14 20:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-14 20:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-14 20:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-14 20:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-14 20:34:47,228 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-14 20:34:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-14 20:34:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-14 20:34:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-14 20:34:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-14 20:34:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-14 20:34:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-14 20:34:47,229 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-14 20:34:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-14 20:34:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-14 20:34:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-14 20:34:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-14 20:34:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-14 20:34:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-14 20:34:47,230 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-14 20:34:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-14 20:34:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-14 20:34:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-14 20:34:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-14 20:34:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-14 20:34:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-14 20:34:47,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:34:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-08-14 20:34:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure dll_remove_first [2019-08-14 20:34:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-14 20:34:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:34:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:34:47,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:34:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-14 20:34:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:34:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:34:47,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:34:47,605 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-14 20:34:47,845 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:34:47,846 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-14 20:34:47,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:34:47 BoogieIcfgContainer [2019-08-14 20:34:47,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:34:47,850 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:34:47,850 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:34:47,851 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:34:47,852 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:34:47" (1/1) ... [2019-08-14 20:34:48,178 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:34:48,513 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-08-14 20:34:49,210 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2019-08-14 20:34:49,339 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-14 20:34:49,492 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-08-14 20:34:49,757 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-08-14 20:34:51,213 WARN L188 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2019-08-14 20:34:51,640 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-08-14 20:34:52,040 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-08-14 20:34:52,315 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-08-14 20:34:52,768 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2019-08-14 20:34:52,985 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-14 20:34:53,340 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-08-14 20:34:53,524 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:34:53,660 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-08-14 20:34:54,117 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-08-14 20:34:54,596 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2019-08-14 20:34:55,002 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 69 [2019-08-14 20:34:55,084 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-14 20:34:55,542 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2019-08-14 20:34:56,026 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2019-08-14 20:34:56,169 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:34:57,828 WARN L188 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 117 DAG size of output: 97 [2019-08-14 20:34:58,429 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-08-14 20:34:59,624 WARN L188 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 109 [2019-08-14 20:34:59,626 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation has thrown an exception: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:146) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools$EliminatingTermDomainOperationProvider.constructQuantifiedFormula(SymbolicTools.java:224) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:214) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:136) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools.post(SymbolicTools.java:98) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretInternal(DagInterpreter.java:200) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:182) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTrans(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:133) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:115) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:95) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:67) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:62) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:193) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:180) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTrans(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:133) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:115) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:95) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:105) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:89) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretLoop(DagInterpreter.java:144) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:115) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:125) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.interpret(IcfgInterpreter.java:116) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.processIcfg(SymbolicInterpretationObserver.java:77) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.process(SymbolicInterpretationObserver.java:69) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-14 20:34:59,644 INFO L168 Benchmark]: Toolchain (without parser) took 13184.84 ms. Allocated memory was 142.1 MB in the beginning and 343.9 MB in the end (delta: 201.9 MB). Free memory was 88.2 MB in the beginning and 312.7 MB in the end (delta: -224.5 MB). Peak memory consumption was 184.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:34:59,647 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:34:59,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.98 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 88.0 MB in the beginning and 165.1 MB in the end (delta: -77.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:34:59,650 INFO L168 Benchmark]: Boogie Preprocessor took 63.57 ms. Allocated memory is still 200.3 MB. Free memory was 165.1 MB in the beginning and 162.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:34:59,651 INFO L168 Benchmark]: RCFGBuilder took 697.83 ms. Allocated memory is still 200.3 MB. Free memory was 162.2 MB in the beginning and 117.6 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:34:59,652 INFO L168 Benchmark]: Symbolic Interpretation took 11792.41 ms. Allocated memory was 200.3 MB in the beginning and 343.9 MB in the end (delta: 143.7 MB). Free memory was 117.6 MB in the beginning and 312.7 MB in the end (delta: -195.1 MB). Peak memory consumption was 155.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:34:59,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 626.98 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 88.0 MB in the beginning and 165.1 MB in the end (delta: -77.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.57 ms. Allocated memory is still 200.3 MB. Free memory was 165.1 MB in the beginning and 162.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 697.83 ms. Allocated memory is still 200.3 MB. Free memory was 162.2 MB in the beginning and 117.6 MB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 11792.41 ms. Allocated memory was 200.3 MB in the beginning and 343.9 MB in the end (delta: 143.7 MB). Free memory was 117.6 MB in the beginning and 312.7 MB in the end (delta: -195.1 MB). Peak memory consumption was 155.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...