/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-simple-white-blue-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:01:02,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:01:02,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:01:02,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:01:02,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:01:02,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:01:02,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:01:02,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:01:02,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:01:02,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:01:02,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:01:02,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:01:02,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:01:02,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:01:02,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:01:02,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:01:02,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:01:02,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:01:02,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:01:02,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:01:02,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:01:02,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:01:02,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:01:02,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:01:02,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 02:01:02,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 02:01:02,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 02:01:02,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 02:01:02,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 02:01:02,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 02:01:02,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 02:01:02,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 02:01:02,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 02:01:02,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 02:01:02,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 02:01:02,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 02:01:02,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 02:01:02,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 02:01:02,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:01:02,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:01:02,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:01:02,202 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 02:01:02,233 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:01:02,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:01:02,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:01:02,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:01:02,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:01:02,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:01:02,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:01:02,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:01:02,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:01:02,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:01:02,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:01:02,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:01:02,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:01:02,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:01:02,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:01:02,243 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:01:02,244 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:01:02,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:01:02,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:01:02,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:01:02,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:01:02,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:01:02,245 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:01:02,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:01:02,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:01:02,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:01:02,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:01:02,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:01:02,717 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:01:02,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue-2.i [2021-02-22 02:01:02,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55b829d01/6d259952518844eea1ccf805072a7104/FLAG3427476ae [2021-02-22 02:01:03,634 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:01:03,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-simple-white-blue-2.i [2021-02-22 02:01:03,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55b829d01/6d259952518844eea1ccf805072a7104/FLAG3427476ae [2021-02-22 02:01:03,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55b829d01/6d259952518844eea1ccf805072a7104 [2021-02-22 02:01:03,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:01:03,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:01:03,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:01:03,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:01:03,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:01:03,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:01:03" (1/1) ... [2021-02-22 02:01:03,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a991e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:03, skipping insertion in model container [2021-02-22 02:01:03,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:01:03" (1/1) ... [2021-02-22 02:01:03,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:01:03,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:01:04,278 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-simple-white-blue-2.i[22617,22630] [2021-02-22 02:01:04,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:01:04,297 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:01:04,341 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-simple-white-blue-2.i[22617,22630] [2021-02-22 02:01:04,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:01:04,410 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:01:04,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:04 WrapperNode [2021-02-22 02:01:04,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:01:04,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:01:04,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:01:04,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:01:04,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:04" (1/1) ... [2021-02-22 02:01:04,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:04" (1/1) ... [2021-02-22 02:01:04,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:04" (1/1) ... [2021-02-22 02:01:04,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:04" (1/1) ... [2021-02-22 02:01:04,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:04" (1/1) ... [2021-02-22 02:01:04,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:04" (1/1) ... [2021-02-22 02:01:04,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:04" (1/1) ... [2021-02-22 02:01:04,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:01:04,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:01:04,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:01:04,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:01:04,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:04" (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 02:01:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:01:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:01:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:01:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:01:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-22 02:01:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-22 02:01:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-22 02:01:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-22 02:01:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-22 02:01:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-22 02:01:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-22 02:01:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-22 02:01:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-22 02:01:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-22 02:01:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-22 02:01:04,625 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-22 02:01:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-22 02:01:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-22 02:01:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-22 02:01:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-22 02:01:04,626 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-22 02:01:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-22 02:01:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-22 02:01:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-22 02:01:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-22 02:01:04,627 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-22 02:01:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-22 02:01:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-22 02:01:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-22 02:01:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-22 02:01:04,628 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-22 02:01:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-22 02:01:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-22 02:01:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-22 02:01:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-22 02:01:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-22 02:01:04,629 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-22 02:01:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-22 02:01:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-22 02:01:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-22 02:01:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-22 02:01:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-22 02:01:04,630 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-22 02:01:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-22 02:01:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-22 02:01:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-22 02:01:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-22 02:01:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-22 02:01:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-22 02:01:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-22 02:01:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-22 02:01:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-22 02:01:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-22 02:01:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-22 02:01:04,632 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 02:01:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 02:01:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-22 02:01:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 02:01:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-22 02:01:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-22 02:01:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-22 02:01:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-22 02:01:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-22 02:01:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:01:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-22 02:01:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-22 02:01:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-22 02:01:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-22 02:01:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-22 02:01:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-22 02:01:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-22 02:01:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-22 02:01:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-22 02:01:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-22 02:01:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-22 02:01:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-22 02:01:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-22 02:01:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-22 02:01:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-22 02:01:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-22 02:01:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-22 02:01:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-22 02:01:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-22 02:01:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-22 02:01:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-22 02:01:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-22 02:01:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-22 02:01:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-22 02:01:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-22 02:01:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-22 02:01:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-22 02:01:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-22 02:01:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-22 02:01:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-22 02:01:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-22 02:01:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-22 02:01:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-22 02:01:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-22 02:01:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-22 02:01:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-22 02:01:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-22 02:01:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-22 02:01:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-22 02:01:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-22 02:01:04,640 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-22 02:01:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-22 02:01:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-22 02:01:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:01:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:01:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 02:01:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 02:01:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:01:04,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:01:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:01:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 02:01:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 02:01:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:01:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 02:01:04,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:01:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:01:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:01:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:01:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:01:05,396 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:01:05,397 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-02-22 02:01:05,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:01:05 BoogieIcfgContainer [2021-02-22 02:01:05,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:01:05,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:01:05,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:01:05,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:01:05,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:01:03" (1/3) ... [2021-02-22 02:01:05,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366f8c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:01:05, skipping insertion in model container [2021-02-22 02:01:05,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:01:04" (2/3) ... [2021-02-22 02:01:05,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@366f8c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:01:05, skipping insertion in model container [2021-02-22 02:01:05,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:01:05" (3/3) ... [2021-02-22 02:01:05,414 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue-2.i [2021-02-22 02:01:05,424 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:01:05,431 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:01:05,455 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:01:05,492 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:01:05,492 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:01:05,493 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:01:05,495 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:01:05,498 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:01:05,498 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:01:05,499 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:01:05,499 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:01:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2021-02-22 02:01:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-22 02:01:05,552 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:05,553 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] [2021-02-22 02:01:05,554 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:05,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:05,566 INFO L82 PathProgramCache]: Analyzing trace with hash -92655172, now seen corresponding path program 1 times [2021-02-22 02:01:05,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:05,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058177909] [2021-02-22 02:01:05,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:05,683 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:05,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:05,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:05,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:05,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:01:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:01:06,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:01:06,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:01:06,016 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 02:01:06,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1058177909] [2021-02-22 02:01:06,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:01:06,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-22 02:01:06,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335128825] [2021-02-22 02:01:06,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-22 02:01:06,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:01:06,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-22 02:01:06,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-22 02:01:06,059 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2021-02-22 02:01:06,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:01:06,370 INFO L93 Difference]: Finished difference Result 159 states and 186 transitions. [2021-02-22 02:01:06,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-22 02:01:06,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2021-02-22 02:01:06,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:01:06,384 INFO L225 Difference]: With dead ends: 159 [2021-02-22 02:01:06,384 INFO L226 Difference]: Without dead ends: 80 [2021-02-22 02:01:06,388 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 02:01:06,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-02-22 02:01:06,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-02-22 02:01:06,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2021-02-22 02:01:06,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2021-02-22 02:01:06,439 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 35 [2021-02-22 02:01:06,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:01:06,440 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2021-02-22 02:01:06,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-22 02:01:06,440 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2021-02-22 02:01:06,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-02-22 02:01:06,442 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:01:06,442 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, 1, 1, 1] [2021-02-22 02:01:06,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:01:06,443 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:01:06,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:01:06,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1122152194, now seen corresponding path program 1 times [2021-02-22 02:01:06,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:01:06,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570963210] [2021-02-22 02:01:06,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:01:06,449 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:01:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:01:06,495 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:01:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:01:06,561 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:01:06,624 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:01:06,624 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:01:06,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 02:01:06,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:01:06 BoogieIcfgContainer [2021-02-22 02:01:06,644 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:01:06,646 INFO L168 Benchmark]: Toolchain (without parser) took 2767.85 ms. Allocated memory is still 151.0 MB. Free memory was 134.0 MB in the beginning and 73.3 MB in the end (delta: 60.7 MB). Peak memory consumption was 60.5 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:06,647 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:01:06,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.36 ms. Allocated memory is still 151.0 MB. Free memory was 133.2 MB in the beginning and 111.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:06,649 INFO L168 Benchmark]: Boogie Preprocessor took 113.94 ms. Allocated memory is still 151.0 MB. Free memory was 111.0 MB in the beginning and 132.2 MB in the end (delta: -21.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:06,650 INFO L168 Benchmark]: RCFGBuilder took 871.88 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 130.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 51.0 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:06,651 INFO L168 Benchmark]: TraceAbstraction took 1241.64 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 73.3 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 8.0 GB. [2021-02-22 02:01:06,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 522.36 ms. Allocated memory is still 151.0 MB. Free memory was 133.2 MB in the beginning and 111.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 113.94 ms. Allocated memory is still 151.0 MB. Free memory was 111.0 MB in the beginning and 132.2 MB in the end (delta: -21.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 871.88 ms. Allocated memory is still 151.0 MB. Free memory was 132.2 MB in the beginning and 130.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 51.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1241.64 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 73.3 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1053]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L999] SLL* head = malloc(sizeof(SLL)); [L1000] head->next = ((void*)0) [L1001] head->data = 0 [L1003] SLL* x = head; [L1006] COND FALSE !(__VERIFIER_nondet_int()) [L1016] COND TRUE __VERIFIER_nondet_int() [L1017] x = malloc(sizeof(SLL)) [L1018] x->data = 1 [L1019] x->next = head [L1020] head = x [L1040] x = head [L1043] EXPR x->data [L1043] COND FALSE !(x->data != 1) [L1049] EXPR x->next [L1049] x = x->next [L1050] COND TRUE \read(*x) [L1052] EXPR x->data [L1052] COND TRUE x->data != 1 [L1053] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 97 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 92 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=94occurred 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...