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/dll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:33:47,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:33:47,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:33:47,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:33:47,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:33:47,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:33:47,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:33:47,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:33:47,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:33:47,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:33:47,711 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:33:47,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:33:47,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:33:47,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:33:47,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:33:47,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:33:47,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:33:47,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:33:47,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:33:47,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:33:47,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:33:47,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:33:47,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:33:47,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:33:47,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:33:47,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:33:47,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:33:47,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:33:47,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:33:47,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:33:47,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:33:47,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:33:47,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:33:47,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:33:47,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:33:47,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:33:47,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:33:47,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:33:47,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:33:47,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:33:47,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:33:47,745 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 20:33:47,767 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:33:47,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:33:47,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:33:47,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:33:47,770 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:33:47,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:33:47,770 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:33:47,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:33:47,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:33:47,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:33:47,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:33:47,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:33:47,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:33:47,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:33:47,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:33:47,773 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:33:47,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:33:47,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:33:47,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:33:47,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:33:47,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:33:47,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:33:47,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:33:47,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:33:47,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:33:47,775 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:33:47,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:33:47,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:33:47,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:33:47,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:33:47,824 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:33:47,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:33:47,828 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:33:47,829 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:33:47,830 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2019-08-14 20:33:47,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33fa3ed4e/9848f50c8376491a989502337bd27ee7/FLAG9fe3041da [2019-08-14 20:33:48,375 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:33:48,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2019-08-14 20:33:48,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33fa3ed4e/9848f50c8376491a989502337bd27ee7/FLAG9fe3041da [2019-08-14 20:33:48,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33fa3ed4e/9848f50c8376491a989502337bd27ee7 [2019-08-14 20:33:48,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:33:48,724 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:33:48,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:33:48,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:33:48,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:33:48,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:33:48" (1/1) ... [2019-08-14 20:33:48,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a99916c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:33:48, skipping insertion in model container [2019-08-14 20:33:48,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:33:48" (1/1) ... [2019-08-14 20:33:48,740 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:33:48,797 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:33:49,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:33:49,269 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:33:49,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:33:49,378 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:33:49,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:33:49 WrapperNode [2019-08-14 20:33:49,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:33:49,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:33:49,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:33:49,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:33:49,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:33:49" (1/1) ... [2019-08-14 20:33:49,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:33:49" (1/1) ... [2019-08-14 20:33:49,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:33:49" (1/1) ... [2019-08-14 20:33:49,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:33:49" (1/1) ... [2019-08-14 20:33:49,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:33:49" (1/1) ... [2019-08-14 20:33:49,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:33:49" (1/1) ... [2019-08-14 20:33:49,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:33:49" (1/1) ... [2019-08-14 20:33:49,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:33:49,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:33:49,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:33:49,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:33:49,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:33:49" (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 20:33:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:33:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:33:49,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-14 20:33:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-14 20:33:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-14 20:33:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-14 20:33:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-08-14 20:33:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_first [2019-08-14 20:33:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:33:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:33:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-14 20:33:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-14 20:33:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-14 20:33:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-14 20:33:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-14 20:33:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-14 20:33:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-14 20:33:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-14 20:33:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-14 20:33:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-14 20:33:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-14 20:33:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-14 20:33:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-14 20:33:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-14 20:33:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-14 20:33:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-14 20:33:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-14 20:33:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-14 20:33:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-14 20:33:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-14 20:33:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-14 20:33:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-14 20:33:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-14 20:33:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-14 20:33:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-14 20:33:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-14 20:33:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-14 20:33:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-14 20:33:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-14 20:33:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-14 20:33:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-14 20:33:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-14 20:33:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-14 20:33:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-14 20:33:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-14 20:33:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-14 20:33:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-14 20:33:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-14 20:33:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-14 20:33:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-14 20:33:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-14 20:33:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-14 20:33:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-14 20:33:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-14 20:33:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-14 20:33:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-14 20:33:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-14 20:33:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-14 20:33:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-14 20:33:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-14 20:33:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-14 20:33:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-14 20:33:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-14 20:33:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-14 20:33:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-14 20:33:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-14 20:33:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-14 20:33:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-14 20:33:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-14 20:33:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-14 20:33:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-14 20:33:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-14 20:33:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-14 20:33:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-14 20:33:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-14 20:33:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 20:33:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-14 20:33:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-14 20:33:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-14 20:33:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-14 20:33:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-14 20:33:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-14 20:33:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-14 20:33:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-14 20:33:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-14 20:33:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-14 20:33:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-14 20:33:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-14 20:33:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-14 20:33:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-14 20:33:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-14 20:33:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-14 20:33:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-14 20:33:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-14 20:33:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-14 20:33:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-14 20:33:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-14 20:33:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-14 20:33:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-14 20:33:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-14 20:33:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-14 20:33:49,527 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-14 20:33:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-14 20:33:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-14 20:33:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-14 20:33:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-14 20:33:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-14 20:33:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-14 20:33:49,528 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-14 20:33:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-14 20:33:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-14 20:33:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-14 20:33:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-14 20:33:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-14 20:33:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-14 20:33:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-14 20:33:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-14 20:33:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-14 20:33:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-14 20:33:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:33:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-08-14 20:33:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_first [2019-08-14 20:33:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-14 20:33:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:33:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:33:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:33:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-14 20:33:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:33:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:33:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:33:49,962 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-14 20:33:50,105 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:33:50,105 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-14 20:33:50,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:33:50 BoogieIcfgContainer [2019-08-14 20:33:50,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:33:50,108 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:33:50,108 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:33:50,108 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:33:50,109 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:33:50" (1/1) ... [2019-08-14 20:33:50,356 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-14 20:33:50,411 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:33:50,610 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-08-14 20:33:51,848 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-08-14 20:33:51,997 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-08-14 20:33:52,582 WARN L188 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-08-14 20:33:52,915 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-08-14 20:33:53,169 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-14 20:33:53,616 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-08-14 20:33:53,986 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2019-08-14 20:33:54,421 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-08-14 20:33:54,822 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 71 [2019-08-14 20:33:55,243 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-08-14 20:33:55,443 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:33:55,710 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-14 20:33:56,406 WARN L188 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-08-14 20:33:56,688 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-14 20:33:56,871 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-08-14 20:33:57,123 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-08-14 20:33:57,896 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-14 20:33:58,282 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-08-14 20:33:58,624 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-08-14 20:33:59,134 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:33:59,523 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 65 [2019-08-14 20:33:59,972 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 74 [2019-08-14 20:34:00,936 WARN L188 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 114 [2019-08-14 20:34:00,938 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 20:34:00,943 INFO L168 Benchmark]: Toolchain (without parser) took 12219.81 ms. Allocated memory was 132.1 MB in the beginning and 363.9 MB in the end (delta: 231.7 MB). Free memory was 85.1 MB in the beginning and 322.0 MB in the end (delta: -236.9 MB). Peak memory consumption was 236.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:34:00,943 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:34:00,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.56 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 84.9 MB in the beginning and 163.8 MB in the end (delta: -78.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:34:00,944 INFO L168 Benchmark]: Boogie Preprocessor took 62.11 ms. Allocated memory is still 200.3 MB. Free memory was 163.8 MB in the beginning and 160.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:34:00,949 INFO L168 Benchmark]: RCFGBuilder took 664.92 ms. Allocated memory is still 200.3 MB. Free memory was 160.7 MB in the beginning and 114.8 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:34:00,949 INFO L168 Benchmark]: Symbolic Interpretation took 10833.96 ms. Allocated memory was 200.3 MB in the beginning and 363.9 MB in the end (delta: 163.6 MB). Free memory was 114.8 MB in the beginning and 322.0 MB in the end (delta: -207.3 MB). Peak memory consumption was 198.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:34:00,952 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 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.56 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 84.9 MB in the beginning and 163.8 MB in the end (delta: -78.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.11 ms. Allocated memory is still 200.3 MB. Free memory was 163.8 MB in the beginning and 160.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 664.92 ms. Allocated memory is still 200.3 MB. Free memory was 160.7 MB in the beginning and 114.8 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 10833.96 ms. Allocated memory was 200.3 MB in the beginning and 363.9 MB in the end (delta: 163.6 MB). Free memory was 114.8 MB in the beginning and 322.0 MB in the end (delta: -207.3 MB). Peak memory consumption was 198.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...