java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/list-ext-properties/list-ext.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:47:31,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:47:31,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:47:31,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:47:31,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:47:31,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:47:31,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:47:31,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:47:31,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:47:31,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:47:31,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:47:31,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:47:31,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:47:31,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:47:31,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:47:31,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:47:31,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:47:31,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:47:31,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:47:31,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:47:31,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:47:31,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:47:31,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:47:31,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:47:31,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:47:31,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:47:31,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:47:31,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:47:31,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:47:31,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:47:31,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:47:31,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:47:31,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:47:31,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:47:31,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:47:31,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:47:31,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:47:31,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:47:31,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:47:31,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:47:31,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:47:31,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:47:31,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:47:31,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:47:31,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:47:31,560 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:47:31,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:47:31,561 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:47:31,561 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:47:31,561 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:47:31,562 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:47:31,562 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:47:31,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:47:31,563 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:47:31,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:47:31,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:47:31,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:47:31,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:47:31,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:47:31,564 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:47:31,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:47:31,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:47:31,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:47:31,565 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:47:31,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:47:31,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:47:31,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:47:31,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:47:31,566 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:47:31,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:47:31,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:47:31,566 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:47:31,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:47:31,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:47:31,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:47:31,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:47:31,612 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:47:31,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/list-ext.i [2019-09-10 01:47:31,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a34c8bb28/cacb76149fd045998479739c109cb308/FLAGab85a8c01 [2019-09-10 01:47:32,189 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:47:32,190 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext-properties/list-ext.i [2019-09-10 01:47:32,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a34c8bb28/cacb76149fd045998479739c109cb308/FLAGab85a8c01 [2019-09-10 01:47:32,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a34c8bb28/cacb76149fd045998479739c109cb308 [2019-09-10 01:47:32,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:47:32,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:47:32,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:47:32,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:47:32,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:47:32,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:47:32" (1/1) ... [2019-09-10 01:47:32,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c4e20e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:47:32, skipping insertion in model container [2019-09-10 01:47:32,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:47:32" (1/1) ... [2019-09-10 01:47:32,522 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:47:32,582 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:47:33,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:47:33,060 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:47:33,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:47:33,194 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:47:33,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:47:33 WrapperNode [2019-09-10 01:47:33,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:47:33,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:47:33,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:47:33,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:47:33,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:47:33" (1/1) ... [2019-09-10 01:47:33,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:47:33" (1/1) ... [2019-09-10 01:47:33,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:47:33" (1/1) ... [2019-09-10 01:47:33,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:47:33" (1/1) ... [2019-09-10 01:47:33,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:47:33" (1/1) ... [2019-09-10 01:47:33,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:47:33" (1/1) ... [2019-09-10 01:47:33,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:47:33" (1/1) ... [2019-09-10 01:47:33,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:47:33,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:47:33,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:47:33,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:47:33,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:47:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:47:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:47:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:47:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-10 01:47:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-10 01:47:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-09-10 01:47:33,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-09-10 01:47:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-09-10 01:47:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-10 01:47:33,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:47:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:47:33,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 01:47:33,318 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-10 01:47:33,320 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-10 01:47:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-10 01:47:33,321 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-10 01:47:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-10 01:47:33,322 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-10 01:47:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-10 01:47:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-10 01:47:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-10 01:47:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-10 01:47:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-10 01:47:33,323 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-10 01:47:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-10 01:47:33,324 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-10 01:47:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-10 01:47:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-10 01:47:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-10 01:47:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-10 01:47:33,325 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-09-10 01:47:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-09-10 01:47:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-09-10 01:47:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-10 01:47:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-10 01:47:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-10 01:47:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-10 01:47:33,326 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-10 01:47:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-10 01:47:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-10 01:47:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-10 01:47:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-10 01:47:33,327 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-10 01:47:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-10 01:47:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-10 01:47:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-10 01:47:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-10 01:47:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-10 01:47:33,328 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-10 01:47:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-10 01:47:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-10 01:47:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-10 01:47:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-10 01:47:33,329 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-10 01:47:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-10 01:47:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-10 01:47:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-10 01:47:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-10 01:47:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-10 01:47:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-10 01:47:33,330 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-10 01:47:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-10 01:47:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-10 01:47:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-10 01:47:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-10 01:47:33,331 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-10 01:47:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-10 01:47:33,332 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 01:47:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 01:47:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-10 01:47:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 01:47:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-10 01:47:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-10 01:47:33,333 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-10 01:47:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-10 01:47:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-10 01:47:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-10 01:47:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-10 01:47:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-10 01:47:33,335 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 01:47:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-10 01:47:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-10 01:47:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-10 01:47:33,336 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-10 01:47:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-10 01:47:33,337 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-10 01:47:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-10 01:47:33,338 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-10 01:47:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-10 01:47:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-10 01:47:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-10 01:47:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-10 01:47:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-10 01:47:33,339 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-10 01:47:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-10 01:47:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-10 01:47:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-10 01:47:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-10 01:47:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-10 01:47:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-10 01:47:33,340 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-10 01:47:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-10 01:47:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-10 01:47:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-10 01:47:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-10 01:47:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-10 01:47:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-10 01:47:33,341 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-10 01:47:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-10 01:47:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-10 01:47:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-10 01:47:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-10 01:47:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-10 01:47:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-10 01:47:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-10 01:47:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-10 01:47:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-10 01:47:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-10 01:47:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-10 01:47:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-10 01:47:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:47:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 01:47:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 01:47:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 01:47:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 01:47:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 01:47:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:47:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:47:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:47:33,703 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-10 01:47:33,934 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:47:33,934 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 01:47:33,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:47:33 BoogieIcfgContainer [2019-09-10 01:47:33,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:47:33,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:47:33,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:47:33,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:47:33,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:47:32" (1/3) ... [2019-09-10 01:47:33,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7553cb74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:47:33, skipping insertion in model container [2019-09-10 01:47:33,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:47:33" (2/3) ... [2019-09-10 01:47:33,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7553cb74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:47:33, skipping insertion in model container [2019-09-10 01:47:33,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:47:33" (3/3) ... [2019-09-10 01:47:33,943 INFO L109 eAbstractionObserver]: Analyzing ICFG list-ext.i [2019-09-10 01:47:33,953 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:47:33,961 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:47:33,979 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:47:34,006 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:47:34,007 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:47:34,007 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:47:34,008 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:47:34,008 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:47:34,009 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:47:34,009 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:47:34,009 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:47:34,024 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2019-09-10 01:47:34,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-10 01:47:34,034 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:47:34,035 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:47:34,037 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:47:34,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:47:34,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1234582252, now seen corresponding path program 1 times [2019-09-10 01:47:34,044 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:47:34,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:47:34,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:47:34,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:47:34,092 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:47:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 01:47:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 01:47:34,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 01:47:34,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 01:47:34,178 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 01:47:34,183 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 01:47:34,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 01:47:34,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 01:47:34,202 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2019-09-10 01:47:34,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 01:47:34,219 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2019-09-10 01:47:34,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 01:47:34,221 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-09-10 01:47:34,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 01:47:34,227 INFO L225 Difference]: With dead ends: 40 [2019-09-10 01:47:34,228 INFO L226 Difference]: Without dead ends: 27 [2019-09-10 01:47:34,230 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 01:47:34,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-09-10 01:47:34,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2019-09-10 01:47:34,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2019-09-10 01:47:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2019-09-10 01:47:34,263 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 16 [2019-09-10 01:47:34,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 01:47:34,263 INFO L475 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2019-09-10 01:47:34,263 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 01:47:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2019-09-10 01:47:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-09-10 01:47:34,264 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:47:34,265 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:47:34,265 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:47:34,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:47:34,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1638853746, now seen corresponding path program 1 times [2019-09-10 01:47:34,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:47:34,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:47:34,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:47:34,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:47:34,268 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:47:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:47:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:47:34,365 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:47:34,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:47:34 BoogieIcfgContainer [2019-09-10 01:47:34,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:47:34,403 INFO L168 Benchmark]: Toolchain (without parser) took 1898.54 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.4 MB in the beginning and 92.5 MB in the end (delta: -2.1 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. [2019-09-10 01:47:34,404 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 01:47:34,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.93 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.0 MB in the beginning and 165.5 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-10 01:47:34,406 INFO L168 Benchmark]: Boogie Preprocessor took 66.56 ms. Allocated memory is still 201.9 MB. Free memory was 165.5 MB in the beginning and 162.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-10 01:47:34,407 INFO L168 Benchmark]: RCFGBuilder took 673.01 ms. Allocated memory is still 201.9 MB. Free memory was 162.9 MB in the beginning and 116.4 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. [2019-09-10 01:47:34,408 INFO L168 Benchmark]: TraceAbstraction took 464.71 ms. Allocated memory is still 201.9 MB. Free memory was 116.4 MB in the beginning and 92.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-09-10 01:47:34,412 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory is still 109.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.93 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.0 MB in the beginning and 165.5 MB in the end (delta: -75.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.56 ms. Allocated memory is still 201.9 MB. Free memory was 165.5 MB in the beginning and 162.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 673.01 ms. Allocated memory is still 201.9 MB. Free memory was 162.9 MB in the beginning and 116.4 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 464.71 ms. Allocated memory is still 201.9 MB. Free memory was 116.4 MB in the beginning and 92.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 556]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L521] int i = 0; [L522] int y = 0; [L523] List a = (List) malloc(sizeof(struct node)); VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, y=0] [L524] COND FALSE !(a == 0) VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, y=0] [L525] List t; [L526] List p = a; VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, y=0] [L527] i < 10 && __VERIFIER_nondet_int() [L527] i < 10 && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, a={-1:0}, i=0, i < 10 && __VERIFIER_nondet_int()=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, y=0] [L527] COND FALSE !(i < 10 && __VERIFIER_nondet_int()) [L535] y < 10 && __VERIFIER_nondet_int() [L535] y < 10 && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, y=0, y < 10 && __VERIFIER_nondet_int()=0] [L535] COND FALSE !(y < 10 && __VERIFIER_nondet_int()) [L543] p->h = 3 [L544] i = 0 [L545] y = 0 [L546] p = a VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, y=0] [L547] EXPR p->h VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3, y=0] [L547] COND FALSE !(p->h == 1) [L551] EXPR p->h VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3, y=0] [L551] COND FALSE !(p->h == 2) [L555] EXPR p->h VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3, y=0] [L555] COND TRUE p->h != 3 || (i + y) < 20 [L556] __VERIFIER_error() VAL [a={-1:0}, i=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 56 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 49 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...