/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-optional-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 22:07:39,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 22:07:39,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 22:07:39,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 22:07:39,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 22:07:39,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 22:07:39,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 22:07:39,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 22:07:39,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 22:07:39,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 22:07:39,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 22:07:39,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 22:07:39,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 22:07:39,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 22:07:39,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 22:07:39,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 22:07:39,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 22:07:39,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 22:07:39,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 22:07:39,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 22:07:39,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 22:07:39,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 22:07:39,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 22:07:39,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 22:07:39,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 22:07:39,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 22:07:39,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 22:07:39,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 22:07:39,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 22:07:39,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 22:07:39,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 22:07:39,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 22:07:39,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 22:07:39,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 22:07:39,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 22:07:39,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 22:07:39,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 22:07:39,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 22:07:39,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 22:07:39,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 22:07:39,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 22:07:39,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 22:07:39,455 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 22:07:39,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 22:07:39,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 22:07:39,457 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 22:07:39,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 22:07:39,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 22:07:39,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 22:07:39,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 22:07:39,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 22:07:39,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 22:07:39,459 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 22:07:39,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 22:07:39,459 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 22:07:39,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 22:07:39,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 22:07:39,460 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 22:07:39,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 22:07:39,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 22:07:39,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 22:07:39,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 22:07:39,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 22:07:39,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 22:07:39,461 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 22:07:39,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 22:07:39,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 22:07:39,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 22:07:39,947 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 22:07:39,948 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 22:07:39,949 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-optional-2.i [2020-09-04 22:07:40,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f4c5599b/014ef37096ec4c0c91ff987c17853fa1/FLAG7fad205b8 [2020-09-04 22:07:40,724 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 22:07:40,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/forester-heap/sll-optional-2.i [2020-09-04 22:07:40,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f4c5599b/014ef37096ec4c0c91ff987c17853fa1/FLAG7fad205b8 [2020-09-04 22:07:40,927 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f4c5599b/014ef37096ec4c0c91ff987c17853fa1 [2020-09-04 22:07:40,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 22:07:40,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 22:07:40,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 22:07:40,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 22:07:40,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 22:07:40,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:07:40" (1/1) ... [2020-09-04 22:07:40,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a4d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:07:40, skipping insertion in model container [2020-09-04 22:07:40,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:07:40" (1/1) ... [2020-09-04 22:07:40,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 22:07:41,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 22:07:41,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:07:41,583 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 22:07:41,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:07:41,698 INFO L208 MainTranslator]: Completed translation [2020-09-04 22:07:41,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:07:41 WrapperNode [2020-09-04 22:07:41,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 22:07:41,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 22:07:41,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 22:07:41,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 22:07:41,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:07:41" (1/1) ... [2020-09-04 22:07:41,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:07:41" (1/1) ... [2020-09-04 22:07:41,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:07:41" (1/1) ... [2020-09-04 22:07:41,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:07:41" (1/1) ... [2020-09-04 22:07:41,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:07:41" (1/1) ... [2020-09-04 22:07:41,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:07:41" (1/1) ... [2020-09-04 22:07:41,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:07:41" (1/1) ... [2020-09-04 22:07:41,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 22:07:41,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 22:07:41,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 22:07:41,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 22:07:41,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:07:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 22:07:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 22:07:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 22:07:41,888 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 22:07:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-04 22:07:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-04 22:07:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-04 22:07:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-04 22:07:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-04 22:07:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-04 22:07:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-04 22:07:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-04 22:07:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-04 22:07:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-04 22:07:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-04 22:07:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-04 22:07:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-04 22:07:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-04 22:07:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-04 22:07:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-04 22:07:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-04 22:07:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-04 22:07:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-04 22:07:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-04 22:07:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-04 22:07:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-04 22:07:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-04 22:07:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-04 22:07:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-04 22:07:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-04 22:07:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-04 22:07:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-04 22:07:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-04 22:07:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-04 22:07:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-04 22:07:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-04 22:07:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-04 22:07:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-04 22:07:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-04 22:07:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-04 22:07:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-04 22:07:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-04 22:07:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-04 22:07:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-04 22:07:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-04 22:07:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-04 22:07:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-04 22:07:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-04 22:07:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-04 22:07:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-04 22:07:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-04 22:07:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-04 22:07:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-04 22:07:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-04 22:07:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 22:07:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-04 22:07:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-04 22:07:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 22:07:41,898 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-04 22:07:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-04 22:07:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-04 22:07:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-04 22:07:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-04 22:07:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-04 22:07:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-04 22:07:41,899 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-04 22:07:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-04 22:07:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 22:07:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-04 22:07:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-04 22:07:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-04 22:07:41,900 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-04 22:07:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-04 22:07:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-04 22:07:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-04 22:07:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-04 22:07:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-04 22:07:41,901 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-04 22:07:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-04 22:07:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-04 22:07:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-04 22:07:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-04 22:07:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-04 22:07:41,902 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-04 22:07:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-04 22:07:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-04 22:07:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-04 22:07:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-04 22:07:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-04 22:07:41,903 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-04 22:07:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-04 22:07:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-04 22:07:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-04 22:07:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-04 22:07:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-04 22:07:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-04 22:07:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-04 22:07:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-04 22:07:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-04 22:07:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-04 22:07:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-04 22:07:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-04 22:07:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-04 22:07:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-04 22:07:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-04 22:07:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-04 22:07:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-04 22:07:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 22:07:41,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 22:07:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 22:07:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 22:07:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 22:07:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 22:07:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 22:07:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 22:07:41,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 22:07:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 22:07:41,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 22:07:42,516 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 22:07:42,517 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 22:07:42,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:07:42 BoogieIcfgContainer [2020-09-04 22:07:42,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 22:07:42,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 22:07:42,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 22:07:42,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 22:07:42,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:07:40" (1/3) ... [2020-09-04 22:07:42,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1646aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:07:42, skipping insertion in model container [2020-09-04 22:07:42,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:07:41" (2/3) ... [2020-09-04 22:07:42,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1646aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:07:42, skipping insertion in model container [2020-09-04 22:07:42,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:07:42" (3/3) ... [2020-09-04 22:07:42,535 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-optional-2.i [2020-09-04 22:07:42,550 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 22:07:42,563 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 22:07:42,586 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 22:07:42,616 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 22:07:42,616 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 22:07:42,616 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 22:07:42,616 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 22:07:42,616 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 22:07:42,620 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 22:07:42,620 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 22:07:42,620 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 22:07:42,641 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states. [2020-09-04 22:07:42,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-09-04 22:07:42,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:07:42,657 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] [2020-09-04 22:07:42,657 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:07:42,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:07:42,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1919098423, now seen corresponding path program 1 times [2020-09-04 22:07:42,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:07:42,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982156745] [2020-09-04 22:07:42,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:07:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:07:42,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:07:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:07:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:07:42,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982156745] [2020-09-04 22:07:42,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:07:42,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 22:07:42,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022138413] [2020-09-04 22:07:42,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 22:07:42,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:07:43,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 22:07:43,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 22:07:43,016 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 3 states. [2020-09-04 22:07:43,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:07:43,355 INFO L93 Difference]: Finished difference Result 135 states and 157 transitions. [2020-09-04 22:07:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 22:07:43,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-09-04 22:07:43,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:07:43,373 INFO L225 Difference]: With dead ends: 135 [2020-09-04 22:07:43,374 INFO L226 Difference]: Without dead ends: 77 [2020-09-04 22:07:43,378 INFO L675 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 [2020-09-04 22:07:43,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-09-04 22:07:43,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-09-04 22:07:43,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-09-04 22:07:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2020-09-04 22:07:43,437 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 30 [2020-09-04 22:07:43,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:07:43,437 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2020-09-04 22:07:43,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 22:07:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2020-09-04 22:07:43,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-04 22:07:43,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:07:43,440 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] [2020-09-04 22:07:43,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 22:07:43,440 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:07:43,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:07:43,441 INFO L82 PathProgramCache]: Analyzing trace with hash -493967776, now seen corresponding path program 1 times [2020-09-04 22:07:43,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:07:43,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2105884453] [2020-09-04 22:07:43,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:07:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 22:07:43,501 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 22:07:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 22:07:43,582 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 22:07:43,623 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 22:07:43,624 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 22:07:43,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 22:07:43,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 10:07:43 BoogieIcfgContainer [2020-09-04 22:07:43,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 22:07:43,672 INFO L168 Benchmark]: Toolchain (without parser) took 2725.75 ms. Allocated memory was 145.8 MB in the beginning and 237.0 MB in the end (delta: 91.2 MB). Free memory was 101.9 MB in the beginning and 176.8 MB in the end (delta: -74.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2020-09-04 22:07:43,673 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 145.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-09-04 22:07:43,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.31 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 170.6 MB in the end (delta: -69.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2020-09-04 22:07:43,675 INFO L168 Benchmark]: Boogie Preprocessor took 105.63 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 167.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-09-04 22:07:43,676 INFO L168 Benchmark]: RCFGBuilder took 716.62 ms. Allocated memory is still 203.9 MB. Free memory was 167.6 MB in the beginning and 115.9 MB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. [2020-09-04 22:07:43,677 INFO L168 Benchmark]: TraceAbstraction took 1143.94 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 115.9 MB in the beginning and 176.8 MB in the end (delta: -60.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 22:07:43,681 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 145.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.31 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 170.6 MB in the end (delta: -69.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.63 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 167.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 716.62 ms. Allocated memory is still 203.9 MB. Free memory was 167.6 MB in the beginning and 115.9 MB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1143.94 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 115.9 MB in the beginning and 176.8 MB in the end (delta: -60.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 996]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L985] SLL* head = malloc(sizeof(SLL)); VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L986] head->next = ((void*)0) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L987] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L987] COND TRUE __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L987] head->data = 1 VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L987] head->opt = head VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L988] SLL* x = head; VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L990] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L993] x = head VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L994] COND TRUE x != ((void*)0) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L996] EXPR x->data VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}, x->data=1] [L996] EXPR x->data == 2 && x->opt == x VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}, x->data=1, x->data == 2 && x->opt == x=0] [L996] COND TRUE !(x->data == 2 && x->opt == x) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}, x->data=1, x->data == 2 && x->opt == x=0] [L996] __VERIFIER_error() VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 103 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 98 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=96occurred 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 1102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...