/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/dll-simple-white-blue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:25:35,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:25:35,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:25:35,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 04:25:35,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 04:25:35,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 04:25:35,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 04:25:35,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 04:25:35,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 04:25:35,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 04:25:35,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 04:25:35,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 04:25:35,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:25:35,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:25:35,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:25:35,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:25:35,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:25:35,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:25:35,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:25:35,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:25:35,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:25:35,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:25:35,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:25:35,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:25:35,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 04:25:35,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 04:25:35,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 04:25:35,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 04:25:35,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 04:25:35,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 04:25:35,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 04:25:35,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 04:25:35,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 04:25:35,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 04:25:35,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 04:25:35,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 04:25:35,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 04:25:35,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 04:25:35,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:25:35,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:25:35,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:25:35,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:25:35,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:25:35,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:25:35,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:25:35,534 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:25:35,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:25:35,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:25:35,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:25:35,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:25:35,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:25:35,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:25:35,537 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:25:35,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:25:35,537 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:25:35,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:25:35,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:25:35,538 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:25:35,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:25:35,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:25:35,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:25:35,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:25:35,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:25:35,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:25:35,540 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:25:35,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:25:35,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:25:36,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:25:36,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:25:36,034 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:25:36,035 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:25:36,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-simple-white-blue-1.i [2021-02-24 04:25:36,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abded9fba/fd1755b0cf6a46c8852d669d8ad470b1/FLAG6bc8eca17 [2021-02-24 04:25:37,034 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:25:37,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-simple-white-blue-1.i [2021-02-24 04:25:37,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abded9fba/fd1755b0cf6a46c8852d669d8ad470b1/FLAG6bc8eca17 [2021-02-24 04:25:37,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abded9fba/fd1755b0cf6a46c8852d669d8ad470b1 [2021-02-24 04:25:37,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:25:37,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:25:37,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:25:37,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:25:37,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:25:37,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:25:37" (1/1) ... [2021-02-24 04:25:37,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1958760b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:37, skipping insertion in model container [2021-02-24 04:25:37,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:25:37" (1/1) ... [2021-02-24 04:25:37,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:25:37,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:25:37,691 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/dll-simple-white-blue-1.i[22793,22806] [2021-02-24 04:25:37,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:25:37,725 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:25:37,813 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/dll-simple-white-blue-1.i[22793,22806] [2021-02-24 04:25:37,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:25:37,904 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:25:37,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:37 WrapperNode [2021-02-24 04:25:37,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:25:37,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:25:37,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:25:37,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:25:37,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:37" (1/1) ... [2021-02-24 04:25:37,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:37" (1/1) ... [2021-02-24 04:25:37,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:37" (1/1) ... [2021-02-24 04:25:37,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:37" (1/1) ... [2021-02-24 04:25:37,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:37" (1/1) ... [2021-02-24 04:25:37,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:37" (1/1) ... [2021-02-24 04:25:37,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:37" (1/1) ... [2021-02-24 04:25:37,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:25:37,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:25:37,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:25:37,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:25:37,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:37" (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 [2021-02-24 04:25:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:25:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:25:38,089 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:25:38,090 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:25:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-02-24 04:25:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-02-24 04:25:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-02-24 04:25:38,090 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-02-24 04:25:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-02-24 04:25:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-02-24 04:25:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-02-24 04:25:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-02-24 04:25:38,091 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-02-24 04:25:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-02-24 04:25:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-02-24 04:25:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-02-24 04:25:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-02-24 04:25:38,092 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-02-24 04:25:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-02-24 04:25:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-02-24 04:25:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-02-24 04:25:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-02-24 04:25:38,093 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-02-24 04:25:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-02-24 04:25:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-02-24 04:25:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-02-24 04:25:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-02-24 04:25:38,094 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-02-24 04:25:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-02-24 04:25:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-02-24 04:25:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-02-24 04:25:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-02-24 04:25:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-02-24 04:25:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-02-24 04:25:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-02-24 04:25:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-02-24 04:25:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-02-24 04:25:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-02-24 04:25:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-02-24 04:25:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-02-24 04:25:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-02-24 04:25:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-02-24 04:25:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-02-24 04:25:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-02-24 04:25:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-02-24 04:25:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-02-24 04:25:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-02-24 04:25:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-02-24 04:25:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-02-24 04:25:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-02-24 04:25:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-02-24 04:25:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-02-24 04:25:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-02-24 04:25:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-02-24 04:25:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 04:25:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-24 04:25:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-24 04:25:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 04:25:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-02-24 04:25:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-02-24 04:25:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-24 04:25:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-02-24 04:25:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2021-02-24 04:25:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:25:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-02-24 04:25:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2021-02-24 04:25:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-02-24 04:25:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 04:25:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2021-02-24 04:25:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-02-24 04:25:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-02-24 04:25:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-02-24 04:25:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-02-24 04:25:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-02-24 04:25:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-02-24 04:25:38,103 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-02-24 04:25:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-02-24 04:25:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-02-24 04:25:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-02-24 04:25:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-02-24 04:25:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-02-24 04:25:38,104 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-02-24 04:25:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-02-24 04:25:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-02-24 04:25:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-02-24 04:25:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-02-24 04:25:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-02-24 04:25:38,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-02-24 04:25:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-02-24 04:25:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-02-24 04:25:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-02-24 04:25:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-02-24 04:25:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-02-24 04:25:38,106 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-02-24 04:25:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-02-24 04:25:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-02-24 04:25:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-02-24 04:25:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-02-24 04:25:38,107 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-02-24 04:25:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-02-24 04:25:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-02-24 04:25:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-02-24 04:25:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-02-24 04:25:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-02-24 04:25:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-02-24 04:25:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-02-24 04:25:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-02-24 04:25:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:25:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:25:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-24 04:25:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-24 04:25:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:25:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:25:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:25:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 04:25:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 04:25:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:25:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 04:25:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:25:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:25:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:25:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:25:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:25:38,910 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:25:38,911 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-02-24 04:25:38,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:25:38 BoogieIcfgContainer [2021-02-24 04:25:38,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:25:38,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:25:38,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:25:38,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:25:38,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:25:37" (1/3) ... [2021-02-24 04:25:38,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7def4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:25:38, skipping insertion in model container [2021-02-24 04:25:38,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:37" (2/3) ... [2021-02-24 04:25:38,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7def4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:25:38, skipping insertion in model container [2021-02-24 04:25:38,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:25:38" (3/3) ... [2021-02-24 04:25:38,934 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-simple-white-blue-1.i [2021-02-24 04:25:38,942 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:25:38,949 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:25:38,970 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:25:38,992 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:25:38,992 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:25:38,992 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:25:38,992 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:25:38,993 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:25:38,993 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:25:38,993 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:25:38,993 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:25:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2021-02-24 04:25:39,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-24 04:25:39,020 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:39,021 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] [2021-02-24 04:25:39,021 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:39,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:39,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1859151477, now seen corresponding path program 1 times [2021-02-24 04:25:39,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:39,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341430513] [2021-02-24 04:25:39,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:39,123 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:25:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:39,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:39,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:39,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:39,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:39,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:25:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:25:39,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:25:39,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:25:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:25:39,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341430513] [2021-02-24 04:25:39,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:25:39,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 04:25:39,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238474726] [2021-02-24 04:25:39,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 04:25:39,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:25:39,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 04:25:39,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 04:25:39,366 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 3 states. [2021-02-24 04:25:39,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:25:39,694 INFO L93 Difference]: Finished difference Result 173 states and 202 transitions. [2021-02-24 04:25:39,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 04:25:39,696 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2021-02-24 04:25:39,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:25:39,708 INFO L225 Difference]: With dead ends: 173 [2021-02-24 04:25:39,709 INFO L226 Difference]: Without dead ends: 89 [2021-02-24 04:25:39,713 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 [2021-02-24 04:25:39,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-02-24 04:25:39,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-02-24 04:25:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2021-02-24 04:25:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 95 transitions. [2021-02-24 04:25:39,773 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 95 transitions. Word has length 37 [2021-02-24 04:25:39,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:25:39,774 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 95 transitions. [2021-02-24 04:25:39,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 04:25:39,774 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2021-02-24 04:25:39,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-02-24 04:25:39,776 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:25:39,777 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, 1, 1] [2021-02-24 04:25:39,777 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:25:39,777 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:25:39,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:25:39,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1978127460, now seen corresponding path program 1 times [2021-02-24 04:25:39,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:25:39,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182651168] [2021-02-24 04:25:39,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:25:39,787 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:25:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:25:39,844 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:25:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 04:25:39,886 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 04:25:39,928 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 04:25:39,928 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 04:25:39,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 04:25:39,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:25:39 BoogieIcfgContainer [2021-02-24 04:25:39,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:25:39,960 INFO L168 Benchmark]: Toolchain (without parser) took 2651.96 ms. Allocated memory is still 158.3 MB. Free memory was 134.4 MB in the beginning and 72.5 MB in the end (delta: 61.9 MB). Peak memory consumption was 63.3 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:39,961 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 158.3 MB. Free memory is still 131.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:25:39,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.39 ms. Allocated memory is still 158.3 MB. Free memory was 133.3 MB in the beginning and 140.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:39,965 INFO L168 Benchmark]: Boogie Preprocessor took 73.24 ms. Allocated memory is still 158.3 MB. Free memory was 140.3 MB in the beginning and 137.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:39,966 INFO L168 Benchmark]: RCFGBuilder took 939.88 ms. Allocated memory is still 158.3 MB. Free memory was 137.6 MB in the beginning and 132.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:39,968 INFO L168 Benchmark]: TraceAbstraction took 1032.35 ms. Allocated memory is still 158.3 MB. Free memory was 132.3 MB in the beginning and 72.5 MB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. [2021-02-24 04:25:39,977 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 158.3 MB. Free memory is still 131.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 588.39 ms. Allocated memory is still 158.3 MB. Free memory was 133.3 MB in the beginning and 140.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 73.24 ms. Allocated memory is still 158.3 MB. Free memory was 140.3 MB in the beginning and 137.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 939.88 ms. Allocated memory is still 158.3 MB. Free memory was 137.6 MB in the beginning and 132.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1032.35 ms. Allocated memory is still 158.3 MB. Free memory was 132.3 MB in the beginning and 72.5 MB in the end (delta: 59.8 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1063]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1000] SLL* head = malloc(sizeof(SLL)); [L1001] head->next = ((void*)0) [L1002] head->prev = ((void*)0) [L1003] head->data = 0 [L1005] SLL* x = head; [L1008] COND FALSE !(__VERIFIER_nondet_int()) [L1019] COND TRUE __VERIFIER_nondet_int() [L1020] x = malloc(sizeof(SLL)) [L1021] x->data = 1 [L1022] x->next = head [L1023] x->prev = ((void*)0) [L1024] head = x [L1050] x = head [L1053] EXPR x->data [L1053] COND FALSE !(x->data != 1) [L1059] EXPR x->next [L1059] x = x->next [L1060] COND TRUE \read(*x) [L1062] EXPR x->data [L1062] COND TRUE x->data != 1 [L1063] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, 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=103occurred 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...