/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-optional-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:00:55,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:00:55,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:00:55,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:00:55,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:00:55,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:00:55,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:00:55,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:00:55,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:00:55,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:00:55,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:00:55,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:00:55,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:00:55,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:00:55,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:00:55,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:00:55,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:00:55,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:00:55,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:00:55,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:00:55,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:00:55,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:00:55,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:00:55,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:00:55,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 02:00:55,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 02:00:55,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 02:00:55,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 02:00:55,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 02:00:55,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 02:00:55,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 02:00:55,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 02:00:55,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 02:00:55,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 02:00:55,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 02:00:55,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 02:00:55,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 02:00:55,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 02:00:55,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:00:55,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:00:55,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:00:55,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:00:55,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:00:55,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:00:55,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:00:55,951 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:00:55,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:00:55,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:00:55,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:00:55,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:00:55,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:00:55,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:00:55,954 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:00:55,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:00:55,955 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:00:55,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:00:55,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:00:55,955 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:00:55,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:00:55,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:00:55,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:00:55,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:00:55,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:00:55,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:00:55,957 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:00:55,957 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:00:56,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:00:56,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:00:56,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:00:56,446 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:00:56,447 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:00:56,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-optional-2.i [2021-02-22 02:00:56,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5246a4023/5676269506e4452c9cf164bd351f6ba5/FLAG239f391ab [2021-02-22 02:00:57,467 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:00:57,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional-2.i [2021-02-22 02:00:57,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5246a4023/5676269506e4452c9cf164bd351f6ba5/FLAG239f391ab [2021-02-22 02:00:57,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5246a4023/5676269506e4452c9cf164bd351f6ba5 [2021-02-22 02:00:57,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:00:57,726 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:00:57,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:00:57,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:00:57,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:00:57,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:00:57" (1/1) ... [2021-02-22 02:00:57,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@365f8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:57, skipping insertion in model container [2021-02-22 02:00:57,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:00:57" (1/1) ... [2021-02-22 02:00:57,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:00:57,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:00:58,158 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional-2.i[22641,22654] [2021-02-22 02:00:58,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:00:58,183 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:00:58,238 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional-2.i[22641,22654] [2021-02-22 02:00:58,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:00:58,326 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:00:58,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:58 WrapperNode [2021-02-22 02:00:58,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:00:58,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:00:58,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:00:58,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:00:58,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:58" (1/1) ... [2021-02-22 02:00:58,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:58" (1/1) ... [2021-02-22 02:00:58,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:58" (1/1) ... [2021-02-22 02:00:58,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:58" (1/1) ... [2021-02-22 02:00:58,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:58" (1/1) ... [2021-02-22 02:00:58,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:58" (1/1) ... [2021-02-22 02:00:58,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:58" (1/1) ... [2021-02-22 02:00:58,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:00:58,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:00:58,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:00:58,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:00:58,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:58" (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 [2021-02-22 02:00:58,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:00:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:00:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:00:58,613 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:00:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-22 02:00:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-22 02:00:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-22 02:00:58,614 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-22 02:00:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-22 02:00:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-22 02:00:58,615 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-22 02:00:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-22 02:00:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-22 02:00:58,616 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-22 02:00:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-22 02:00:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-22 02:00:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-22 02:00:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-22 02:00:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-22 02:00:58,620 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-22 02:00:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-22 02:00:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-22 02:00:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-22 02:00:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-22 02:00:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-22 02:00:58,621 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-22 02:00:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-22 02:00:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-22 02:00:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-22 02:00:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-22 02:00:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-22 02:00:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-22 02:00:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-22 02:00:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-22 02:00:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-22 02:00:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-22 02:00:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-22 02:00:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-22 02:00:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-22 02:00:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-22 02:00:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-22 02:00:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-22 02:00:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-22 02:00:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-22 02:00:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-22 02:00:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-22 02:00:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-22 02:00:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-22 02:00:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-22 02:00:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-22 02:00:58,625 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-22 02:00:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-22 02:00:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-22 02:00:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-22 02:00:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 02:00:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 02:00:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-22 02:00:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 02:00:58,626 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-22 02:00:58,627 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-22 02:00:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-22 02:00:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-22 02:00:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-22 02:00:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:00:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-22 02:00:58,628 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-22 02:00:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-22 02:00:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:00:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-22 02:00:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-22 02:00:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-22 02:00:58,629 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-22 02:00:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-22 02:00:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-22 02:00:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-22 02:00:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-22 02:00:58,630 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-22 02:00:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-22 02:00:58,631 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-22 02:00:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-22 02:00:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-22 02:00:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-22 02:00:58,632 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-22 02:00:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-22 02:00:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-22 02:00:58,633 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-22 02:00:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-22 02:00:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-22 02:00:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-22 02:00:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-22 02:00:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-22 02:00:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-22 02:00:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-22 02:00:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-22 02:00:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-22 02:00:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-22 02:00:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-22 02:00:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-22 02:00:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-22 02:00:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-22 02:00:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-22 02:00:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-22 02:00:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-22 02:00:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-22 02:00:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-22 02:00:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-22 02:00:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-22 02:00:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:00:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:00:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:00:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:00:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:00:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:00:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:00:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 02:00:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 02:00:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:00:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 02:00:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:00:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:00:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:00:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:00:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:00:59,380 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:00:59,380 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-22 02:00:59,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:00:59 BoogieIcfgContainer [2021-02-22 02:00:59,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:00:59,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:00:59,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:00:59,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:00:59,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:00:57" (1/3) ... [2021-02-22 02:00:59,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b5195e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:00:59, skipping insertion in model container [2021-02-22 02:00:59,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:00:58" (2/3) ... [2021-02-22 02:00:59,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b5195e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:00:59, skipping insertion in model container [2021-02-22 02:00:59,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:00:59" (3/3) ... [2021-02-22 02:00:59,394 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-optional-2.i [2021-02-22 02:00:59,402 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:00:59,409 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:00:59,434 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:00:59,462 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:00:59,462 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:00:59,462 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:00:59,462 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:00:59,463 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:00:59,463 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:00:59,463 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:00:59,463 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:00:59,481 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2021-02-22 02:00:59,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-02-22 02:00:59,493 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:00:59,494 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:00:59,494 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:00:59,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:00:59,502 INFO L82 PathProgramCache]: Analyzing trace with hash -163218138, now seen corresponding path program 1 times [2021-02-22 02:00:59,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:00:59,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636456511] [2021-02-22 02:00:59,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:00:59,619 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:00:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:59,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:59,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:59,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:59,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:59,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:00:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:00:59,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:00:59,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:00:59,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:00:59,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636456511] [2021-02-22 02:00:59,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:00:59,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-22 02:00:59,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453877358] [2021-02-22 02:00:59,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-22 02:00:59,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:00:59,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-22 02:00:59,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 02:00:59,886 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 3 states. [2021-02-22 02:01:00,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:00,280 INFO L93 Difference]: Finished difference Result 140 states and 162 transitions. [2021-02-22 02:01:00,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-22 02:01:00,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-02-22 02:01:00,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:00,294 INFO L225 Difference]: With dead ends: 140 [2021-02-22 02:01:00,294 INFO L226 Difference]: Without dead ends: 81 [2021-02-22 02:01:00,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 02:01:00,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-02-22 02:01:00,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2021-02-22 02:01:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2021-02-22 02:01:00,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 87 transitions. [2021-02-22 02:01:00,352 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 87 transitions. Word has length 34 [2021-02-22 02:01:00,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:00,353 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 87 transitions. [2021-02-22 02:01:00,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-22 02:01:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2021-02-22 02:01:00,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-02-22 02:01:00,355 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:00,356 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:01:00,356 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:01:00,356 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:00,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:00,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1015160803, now seen corresponding path program 1 times [2021-02-22 02:01:00,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:00,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1919960242] [2021-02-22 02:01:00,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:00,365 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:01:00,410 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:01:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:01:00,445 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:01:00,495 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:01:00,496 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:01:00,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 02:01:00,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:01:00 BoogieIcfgContainer [2021-02-22 02:01:00,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:01:00,529 INFO L168 Benchmark]: Toolchain (without parser) took 2813.71 ms. Allocated memory was 169.9 MB in the beginning and 217.1 MB in the end (delta: 47.2 MB). Free memory was 144.6 MB in the beginning and 177.9 MB in the end (delta: -33.2 MB). Peak memory consumption was 14.9 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:00,532 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 169.9 MB. Free memory was 143.3 MB in the beginning and 143.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:01:00,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.07 ms. Allocated memory is still 169.9 MB. Free memory was 143.5 MB in the beginning and 121.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:00,535 INFO L168 Benchmark]: Boogie Preprocessor took 145.47 ms. Allocated memory is still 169.9 MB. Free memory was 121.7 MB in the beginning and 152.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:00,537 INFO L168 Benchmark]: RCFGBuilder took 908.06 ms. Allocated memory is still 169.9 MB. Free memory was 152.2 MB in the beginning and 102.1 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:00,538 INFO L168 Benchmark]: TraceAbstraction took 1138.88 ms. Allocated memory was 169.9 MB in the beginning and 217.1 MB in the end (delta: 47.2 MB). Free memory was 101.6 MB in the beginning and 177.9 MB in the end (delta: -76.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:01:00,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 169.9 MB. Free memory was 143.3 MB in the beginning and 143.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 598.07 ms. Allocated memory is still 169.9 MB. Free memory was 143.5 MB in the beginning and 121.7 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.47 ms. Allocated memory is still 169.9 MB. Free memory was 121.7 MB in the beginning and 152.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 908.06 ms. Allocated memory is still 169.9 MB. Free memory was 152.2 MB in the beginning and 102.1 MB in the end (delta: 50.1 MB). Peak memory consumption was 50.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1138.88 ms. Allocated memory was 169.9 MB in the beginning and 217.1 MB in the end (delta: 47.2 MB). Free memory was 101.6 MB in the beginning and 177.9 MB in the end (delta: -76.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1007]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L996] SLL* head = malloc(sizeof(SLL)); [L997] head->next = ((void*)0) [L998] COND FALSE !(__VERIFIER_nondet_int()) [L998] COND TRUE __VERIFIER_nondet_int() [L998] head->data = 1 [L998] head->opt = head [L999] SLL* x = head; [L1001] COND FALSE !(__VERIFIER_nondet_int()) [L1004] x = head [L1005] COND TRUE x != ((void*)0) [L1007] EXPR x->data [L1007] EXPR x->data == 2 && x->opt == x [L1007] COND TRUE !(x->data == 2 && x->opt == x) [L1007] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 107 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 102 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...