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/ldv-regression/test_overflow.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:45:34,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:45:34,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:45:34,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:45:34,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:45:34,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:45:34,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:45:34,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:45:34,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:45:34,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:45:34,351 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:45:34,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:45:34,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:45:34,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:45:34,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:45:34,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:45:34,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:45:34,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:45:34,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:45:34,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:45:34,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:45:34,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:45:34,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:45:34,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:45:34,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:45:34,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:45:34,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:45:34,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:45:34,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:45:34,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:45:34,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:45:34,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:45:34,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:45:34,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:45:34,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:45:34,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:45:34,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:45:34,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:45:34,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:45:34,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:45:34,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:45:34,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-22 21:45:34,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:45:34,390 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:45:34,392 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:45:34,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:45:34,392 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:45:34,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:45:34,393 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:45:34,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:45:34,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:45:34,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:45:34,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:45:34,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:45:34,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:45:34,394 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:45:34,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:45:34,394 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:45:34,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:45:34,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:45:34,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:45:34,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:45:34,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:45:34,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:45:34,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:45:34,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:45:34,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:45:34,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:45:34,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:45:34,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:45:34,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:45:34,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:45:34,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:45:34,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:45:34,441 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:45:34,441 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:45:34,442 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_overflow.i [2019-08-22 21:45:34,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa78feed/7b1b26d5d3c74a558490710918b19d5e/FLAG555bf9df1 [2019-08-22 21:45:35,021 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:45:35,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_overflow.i [2019-08-22 21:45:35,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa78feed/7b1b26d5d3c74a558490710918b19d5e/FLAG555bf9df1 [2019-08-22 21:45:35,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa78feed/7b1b26d5d3c74a558490710918b19d5e [2019-08-22 21:45:35,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:45:35,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:45:35,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:35,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:45:35,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:45:35,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:35" (1/1) ... [2019-08-22 21:45:35,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe466 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:35, skipping insertion in model container [2019-08-22 21:45:35,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:45:35" (1/1) ... [2019-08-22 21:45:35,330 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:45:35,389 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:45:35,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:35,836 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:45:35,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:45:35,997 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:45:35,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:35 WrapperNode [2019-08-22 21:45:35,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:45:35,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:45:35,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:45:35,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:45:36,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:35" (1/1) ... [2019-08-22 21:45:36,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:35" (1/1) ... [2019-08-22 21:45:36,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:35" (1/1) ... [2019-08-22 21:45:36,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:35" (1/1) ... [2019-08-22 21:45:36,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:35" (1/1) ... [2019-08-22 21:45:36,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:35" (1/1) ... [2019-08-22 21:45:36,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:35" (1/1) ... [2019-08-22 21:45:36,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:45:36,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:45:36,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:45:36,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:45:36,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:45:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:45:36,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:45:36,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:45:36,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-22 21:45:36,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:45:36,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getService [2019-08-22 21:45:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:45:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-22 21:45:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-22 21:45:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-22 21:45:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-22 21:45:36,118 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-22 21:45:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-22 21:45:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-22 21:45:36,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-22 21:45:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-22 21:45:36,120 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-22 21:45:36,122 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-22 21:45:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-22 21:45:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-22 21:45:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-22 21:45:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-22 21:45:36,123 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-22 21:45:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-22 21:45:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-22 21:45:36,124 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-22 21:45:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-22 21:45:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-22 21:45:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-22 21:45:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-22 21:45:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-22 21:45:36,125 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-22 21:45:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-22 21:45:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-22 21:45:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-22 21:45:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-22 21:45:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-22 21:45:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-22 21:45:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-22 21:45:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-22 21:45:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-22 21:45:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-22 21:45:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-22 21:45:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-22 21:45:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-22 21:45:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-22 21:45:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-22 21:45:36,128 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-22 21:45:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-22 21:45:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-22 21:45:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-22 21:45:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-22 21:45:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-22 21:45:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-22 21:45:36,129 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-22 21:45:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-22 21:45:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-22 21:45:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:45:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:45:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:45:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:45:36,130 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:45:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-22 21:45:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:45:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-22 21:45:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-22 21:45:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-22 21:45:36,131 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-22 21:45:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-22 21:45:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-22 21:45:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-22 21:45:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-08-22 21:45:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-22 21:45:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-22 21:45:36,133 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-22 21:45:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-22 21:45:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-22 21:45:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-22 21:45:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-22 21:45:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-22 21:45:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-22 21:45:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-22 21:45:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-22 21:45:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-22 21:45:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-22 21:45:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-22 21:45:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-22 21:45:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-22 21:45:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-22 21:45:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-22 21:45:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-22 21:45:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-22 21:45:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-22 21:45:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-22 21:45:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-22 21:45:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-22 21:45:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-22 21:45:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-22 21:45:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-22 21:45:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-22 21:45:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-22 21:45:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-22 21:45:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-22 21:45:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-22 21:45:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-22 21:45:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-22 21:45:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2019-08-22 21:45:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-22 21:45:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-08-22 21:45:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-08-22 21:45:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-08-22 21:45:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-08-22 21:45:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-08-22 21:45:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-08-22 21:45:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-08-22 21:45:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-08-22 21:45:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-08-22 21:45:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-08-22 21:45:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-08-22 21:45:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-08-22 21:45:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-08-22 21:45:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-08-22 21:45:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-08-22 21:45:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-08-22 21:45:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-08-22 21:45:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-08-22 21:45:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-08-22 21:45:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-08-22 21:45:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-08-22 21:45:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-08-22 21:45:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-08-22 21:45:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-08-22 21:45:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-08-22 21:45:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-08-22 21:45:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-08-22 21:45:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-08-22 21:45:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-08-22 21:45:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-08-22 21:45:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-08-22 21:45:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-08-22 21:45:36,148 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-08-22 21:45:36,151 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-08-22 21:45:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-08-22 21:45:36,152 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-08-22 21:45:36,153 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-08-22 21:45:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-08-22 21:45:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-08-22 21:45:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-08-22 21:45:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-08-22 21:45:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-08-22 21:45:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-08-22 21:45:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-08-22 21:45:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-08-22 21:45:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-08-22 21:45:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-08-22 21:45:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-08-22 21:45:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-08-22 21:45:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-08-22 21:45:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-08-22 21:45:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-08-22 21:45:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-08-22 21:45:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-08-22 21:45:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-08-22 21:45:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-08-22 21:45:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-08-22 21:45:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-08-22 21:45:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-08-22 21:45:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-08-22 21:45:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-08-22 21:45:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-08-22 21:45:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-08-22 21:45:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-08-22 21:45:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-08-22 21:45:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-08-22 21:45:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-08-22 21:45:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-08-22 21:45:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-08-22 21:45:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-08-22 21:45:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-08-22 21:45:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-08-22 21:45:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-08-22 21:45:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-08-22 21:45:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-08-22 21:45:36,166 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-08-22 21:45:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-08-22 21:45:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-08-22 21:45:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-08-22 21:45:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-08-22 21:45:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-08-22 21:45:36,167 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-08-22 21:45:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-08-22 21:45:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-08-22 21:45:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-08-22 21:45:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-08-22 21:45:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-08-22 21:45:36,168 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-08-22 21:45:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-08-22 21:45:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-08-22 21:45:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-08-22 21:45:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-08-22 21:45:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-08-22 21:45:36,169 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-08-22 21:45:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-08-22 21:45:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-08-22 21:45:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-08-22 21:45:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-08-22 21:45:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-08-22 21:45:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-08-22 21:45:36,170 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-08-22 21:45:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-22 21:45:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure getService [2019-08-22 21:45:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:45:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 21:45:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:45:36,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:45:36,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:45:36,705 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:45:36,705 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:45:36,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:36 BoogieIcfgContainer [2019-08-22 21:45:36,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:45:36,707 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:45:36,707 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:45:36,707 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:45:36,708 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:45:36" (1/1) ... [2019-08-22 21:45:36,722 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:45:36,724 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:45:36,731 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:45:36,739 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:45:36,740 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:45:36,802 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_6|], 10=[|v_#valid_7|]} [2019-08-22 21:45:36,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:36,828 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2019-08-22 21:45:36,829 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:36,910 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:45:36,915 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:36,916 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:36,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:36,927 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:45:36,931 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2019-08-22 21:45:36,932 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:45:37,000 INFO L567 ElimStorePlain]: treesize reduction 8, result has 85.5 percent of original size [2019-08-22 21:45:37,001 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:45:37,001 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:70, output treesize:47 [2019-08-22 21:45:37,024 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 44 [2019-08-22 21:45:37,046 INFO L185 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 1 [2019-08-22 21:45:37,048 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:45:37,048 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:45:37,050 INFO L179 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 26#false [2019-08-22 21:45:37,054 INFO L87 terpretationObserver]: ✔ All locations of interest are guaranteed to be unreachable. [2019-08-22 21:45:37,060 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:45:37,063 INFO L168 Benchmark]: Toolchain (without parser) took 1746.73 ms. Allocated memory was 134.7 MB in the beginning and 230.2 MB in the end (delta: 95.4 MB). Free memory was 89.5 MB in the beginning and 180.6 MB in the end (delta: -91.2 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:37,064 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:45:37,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.78 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 89.3 MB in the beginning and 149.6 MB in the end (delta: -60.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:37,068 INFO L168 Benchmark]: Boogie Preprocessor took 59.65 ms. Allocated memory is still 202.4 MB. Free memory was 149.6 MB in the beginning and 146.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:37,068 INFO L168 Benchmark]: RCFGBuilder took 648.41 ms. Allocated memory is still 202.4 MB. Free memory was 146.4 MB in the beginning and 91.0 MB in the end (delta: 55.4 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:37,070 INFO L168 Benchmark]: Symbolic Interpretation took 353.65 ms. Allocated memory was 202.4 MB in the beginning and 230.2 MB in the end (delta: 27.8 MB). Free memory was 91.0 MB in the beginning and 180.6 MB in the end (delta: -89.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:45:37,080 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 1605]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.78 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 89.3 MB in the beginning and 149.6 MB in the end (delta: -60.3 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.65 ms. Allocated memory is still 202.4 MB. Free memory was 149.6 MB in the beginning and 146.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 648.41 ms. Allocated memory is still 202.4 MB. Free memory was 146.4 MB in the beginning and 91.0 MB in the end (delta: 55.4 MB). Peak memory consumption was 55.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 353.65 ms. Allocated memory was 202.4 MB in the beginning and 230.2 MB in the end (delta: 27.8 MB). Free memory was 91.0 MB in the beginning and 180.6 MB in the end (delta: -89.7 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...