/usr/bin/java -ea -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/dll-optional-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 05:14:41,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:14:41,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:14:41,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:14:41,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:14:41,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:14:41,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:14:41,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:14:41,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:14:41,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:14:41,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:14:41,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:14:41,057 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:14:41,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:14:41,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:14:41,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:14:41,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:14:41,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:14:41,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:14:41,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:14:41,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:14:41,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:14:41,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:14:41,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:14:41,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:14:41,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:14:41,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:14:41,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:14:41,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:14:41,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:14:41,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:14:41,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:14:41,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:14:41,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:14:41,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:14:41,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:14:41,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:14:41,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:14:41,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:14:41,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:14:41,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:14:41,082 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 05:14:41,090 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:14:41,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:14:41,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:14:41,092 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:14:41,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:14:41,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:14:41,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:14:41,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:14:41,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:14:41,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:14:41,093 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:14:41,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:14:41,094 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:14:41,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:14:41,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:14:41,094 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:14:41,095 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:14:41,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:14:41,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:14:41,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:14:41,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:14:41,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:14:41,096 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 [2020-07-18 05:14:41,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:14:41,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:14:41,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:14:41,440 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:14:41,441 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:14:41,441 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-optional-2.i [2020-07-18 05:14:41,513 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9234021/4cef79e01f92423681bd52babc700841/FLAGd19e0288a [2020-07-18 05:14:42,098 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:14:42,098 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-optional-2.i [2020-07-18 05:14:42,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9234021/4cef79e01f92423681bd52babc700841/FLAGd19e0288a [2020-07-18 05:14:42,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b9234021/4cef79e01f92423681bd52babc700841 [2020-07-18 05:14:42,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:14:42,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:14:42,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:14:42,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:14:42,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:14:42,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:14:42" (1/1) ... [2020-07-18 05:14:42,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f17481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:42, skipping insertion in model container [2020-07-18 05:14:42,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:14:42" (1/1) ... [2020-07-18 05:14:42,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:14:42,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:14:42,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:14:42,923 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:14:42,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:14:43,034 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:14:43,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:43 WrapperNode [2020-07-18 05:14:43,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:14:43,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:14:43,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:14:43,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:14:43,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:43" (1/1) ... [2020-07-18 05:14:43,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:43" (1/1) ... [2020-07-18 05:14:43,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:43" (1/1) ... [2020-07-18 05:14:43,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:43" (1/1) ... [2020-07-18 05:14:43,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:43" (1/1) ... [2020-07-18 05:14:43,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:43" (1/1) ... [2020-07-18 05:14:43,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:43" (1/1) ... [2020-07-18 05:14:43,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:14:43,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:14:43,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:14:43,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:14:43,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:43" (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 [2020-07-18 05:14:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:14:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:14:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:14:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-18 05:14:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-18 05:14:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-18 05:14:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-18 05:14:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-18 05:14:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-18 05:14:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-18 05:14:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-18 05:14:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-18 05:14:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-18 05:14:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-18 05:14:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-18 05:14:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-18 05:14:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-18 05:14:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-18 05:14:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-18 05:14:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-18 05:14:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-18 05:14:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-18 05:14:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-18 05:14:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-18 05:14:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-18 05:14:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-18 05:14:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-18 05:14:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-18 05:14:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-18 05:14:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-18 05:14:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-18 05:14:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-18 05:14:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-18 05:14:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-18 05:14:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-18 05:14:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-18 05:14:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-18 05:14:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-18 05:14:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-18 05:14:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-18 05:14:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-18 05:14:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-18 05:14:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-18 05:14:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-18 05:14:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-18 05:14:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-18 05:14:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-18 05:14:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-18 05:14:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-18 05:14:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-18 05:14:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-18 05:14:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-18 05:14:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-18 05:14:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-18 05:14:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-18 05:14:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-18 05:14:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-18 05:14:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-18 05:14:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-18 05:14:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-18 05:14:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-18 05:14:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-18 05:14:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 05:14:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-18 05:14:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-18 05:14:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-18 05:14:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-18 05:14:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-18 05:14:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-18 05:14:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-18 05:14:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-18 05:14:43,216 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-18 05:14:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-18 05:14:43,217 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-18 05:14:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-18 05:14:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-18 05:14:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-18 05:14:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-18 05:14:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-18 05:14:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-18 05:14:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-18 05:14:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-18 05:14:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-18 05:14:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-18 05:14:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-18 05:14:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-18 05:14:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-18 05:14:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-18 05:14:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-18 05:14:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-18 05:14:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-18 05:14:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-18 05:14:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-18 05:14:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-18 05:14:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-18 05:14:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-18 05:14:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-18 05:14:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-18 05:14:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-18 05:14:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-18 05:14:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-18 05:14:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-18 05:14:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-18 05:14:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-18 05:14:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-18 05:14:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-18 05:14:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 05:14:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:14:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:14:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-18 05:14:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 05:14:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 05:14:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 05:14:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 05:14:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 05:14:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:14:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:14:44,206 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:14:44,206 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-18 05:14:44,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:14:44 BoogieIcfgContainer [2020-07-18 05:14:44,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:14:44,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:14:44,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:14:44,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:14:44,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:14:42" (1/3) ... [2020-07-18 05:14:44,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f67298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:14:44, skipping insertion in model container [2020-07-18 05:14:44,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:14:43" (2/3) ... [2020-07-18 05:14:44,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f67298 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:14:44, skipping insertion in model container [2020-07-18 05:14:44,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:14:44" (3/3) ... [2020-07-18 05:14:44,218 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-optional-2.i [2020-07-18 05:14:44,230 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:14:44,238 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 05:14:44,253 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 05:14:44,278 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:14:44,278 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:14:44,278 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:14:44,278 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:14:44,279 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:14:44,279 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:14:44,279 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:14:44,279 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:14:44,297 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2020-07-18 05:14:44,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-07-18 05:14:44,310 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:44,311 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] [2020-07-18 05:14:44,312 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:44,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:44,319 INFO L82 PathProgramCache]: Analyzing trace with hash 16375073, now seen corresponding path program 1 times [2020-07-18 05:14:44,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:44,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904310351] [2020-07-18 05:14:44,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:14:44,617 INFO L280 TraceCheckUtils]: 0: Hoare triple {110#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {103#true} is VALID [2020-07-18 05:14:44,618 INFO L280 TraceCheckUtils]: 1: Hoare triple {103#true} #valid := #valid[0 := 0]; {103#true} is VALID [2020-07-18 05:14:44,619 INFO L280 TraceCheckUtils]: 2: Hoare triple {103#true} assume 0 < #StackHeapBarrier; {103#true} is VALID [2020-07-18 05:14:44,619 INFO L280 TraceCheckUtils]: 3: Hoare triple {103#true} assume true; {103#true} is VALID [2020-07-18 05:14:44,620 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {103#true} {103#true} #173#return; {103#true} is VALID [2020-07-18 05:14:44,624 INFO L263 TraceCheckUtils]: 0: Hoare triple {103#true} call ULTIMATE.init(); {110#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:14:44,625 INFO L280 TraceCheckUtils]: 1: Hoare triple {110#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {103#true} is VALID [2020-07-18 05:14:44,625 INFO L280 TraceCheckUtils]: 2: Hoare triple {103#true} #valid := #valid[0 := 0]; {103#true} is VALID [2020-07-18 05:14:44,625 INFO L280 TraceCheckUtils]: 3: Hoare triple {103#true} assume 0 < #StackHeapBarrier; {103#true} is VALID [2020-07-18 05:14:44,626 INFO L280 TraceCheckUtils]: 4: Hoare triple {103#true} assume true; {103#true} is VALID [2020-07-18 05:14:44,626 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {103#true} {103#true} #173#return; {103#true} is VALID [2020-07-18 05:14:44,626 INFO L263 TraceCheckUtils]: 6: Hoare triple {103#true} call #t~ret20 := main(); {103#true} is VALID [2020-07-18 05:14:44,627 INFO L280 TraceCheckUtils]: 7: Hoare triple {103#true} SUMMARY for call #t~malloc0.base, #t~malloc0.offset := #Ultimate.allocOnHeap(16); srcloc: mainENTRY {103#true} is VALID [2020-07-18 05:14:44,627 INFO L280 TraceCheckUtils]: 8: Hoare triple {103#true} ~head~0.base, ~head~0.offset := #t~malloc0.base, #t~malloc0.offset; {103#true} is VALID [2020-07-18 05:14:44,627 INFO L280 TraceCheckUtils]: 9: Hoare triple {103#true} SUMMARY for call write~$Pointer$(0, 0, ~head~0.base, ~head~0.offset, 4); srcloc: L987 {103#true} is VALID [2020-07-18 05:14:44,628 INFO L280 TraceCheckUtils]: 10: Hoare triple {103#true} SUMMARY for call write~$Pointer$(0, 0, ~head~0.base, 4 + ~head~0.offset, 4); srcloc: L987-1 {103#true} is VALID [2020-07-18 05:14:44,628 INFO L280 TraceCheckUtils]: 11: Hoare triple {103#true} assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; {103#true} is VALID [2020-07-18 05:14:44,628 INFO L280 TraceCheckUtils]: 12: Hoare triple {103#true} assume !(0 != #t~nondet1); {103#true} is VALID [2020-07-18 05:14:44,629 INFO L280 TraceCheckUtils]: 13: Hoare triple {103#true} havoc #t~nondet1; {103#true} is VALID [2020-07-18 05:14:44,629 INFO L280 TraceCheckUtils]: 14: Hoare triple {103#true} assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647; {103#true} is VALID [2020-07-18 05:14:44,629 INFO L280 TraceCheckUtils]: 15: Hoare triple {103#true} assume 0 != #t~nondet4; {103#true} is VALID [2020-07-18 05:14:44,629 INFO L280 TraceCheckUtils]: 16: Hoare triple {103#true} havoc #t~nondet4; {103#true} is VALID [2020-07-18 05:14:44,630 INFO L280 TraceCheckUtils]: 17: Hoare triple {103#true} SUMMARY for call write~int(1, ~head~0.base, 12 + ~head~0.offset, 4); srcloc: L989-13 {103#true} is VALID [2020-07-18 05:14:44,630 INFO L280 TraceCheckUtils]: 18: Hoare triple {103#true} SUMMARY for call write~$Pointer$(~head~0.base, ~head~0.offset, ~head~0.base, 8 + ~head~0.offset, 4); srcloc: L989-14 {103#true} is VALID [2020-07-18 05:14:44,630 INFO L280 TraceCheckUtils]: 19: Hoare triple {103#true} ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {103#true} is VALID [2020-07-18 05:14:44,631 INFO L280 TraceCheckUtils]: 20: Hoare triple {103#true} assume !true; {104#false} is VALID [2020-07-18 05:14:44,632 INFO L280 TraceCheckUtils]: 21: Hoare triple {104#false} ~x~0.base, ~x~0.offset := ~head~0.base, ~head~0.offset; {104#false} is VALID [2020-07-18 05:14:44,632 INFO L280 TraceCheckUtils]: 22: Hoare triple {104#false} assume !!(~x~0.base != 0 || ~x~0.offset != 0); {104#false} is VALID [2020-07-18 05:14:44,633 INFO L280 TraceCheckUtils]: 23: Hoare triple {104#false} SUMMARY for call #t~mem13 := read~int(~x~0.base, 12 + ~x~0.offset, 4); srcloc: L998-16 {104#false} is VALID [2020-07-18 05:14:44,633 INFO L280 TraceCheckUtils]: 24: Hoare triple {104#false} #t~short15 := 2 == #t~mem13; {104#false} is VALID [2020-07-18 05:14:44,633 INFO L280 TraceCheckUtils]: 25: Hoare triple {104#false} assume !#t~short15; {104#false} is VALID [2020-07-18 05:14:44,634 INFO L280 TraceCheckUtils]: 26: Hoare triple {104#false} assume !#t~short15; {104#false} is VALID [2020-07-18 05:14:44,634 INFO L280 TraceCheckUtils]: 27: Hoare triple {104#false} havoc #t~mem14.base, #t~mem14.offset; {104#false} is VALID [2020-07-18 05:14:44,634 INFO L280 TraceCheckUtils]: 28: Hoare triple {104#false} havoc #t~short15; {104#false} is VALID [2020-07-18 05:14:44,635 INFO L280 TraceCheckUtils]: 29: Hoare triple {104#false} havoc #t~mem13; {104#false} is VALID [2020-07-18 05:14:44,635 INFO L280 TraceCheckUtils]: 30: Hoare triple {104#false} assume !false; {104#false} is VALID [2020-07-18 05:14:44,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:14:44,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904310351] [2020-07-18 05:14:44,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:14:44,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-18 05:14:44,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896841546] [2020-07-18 05:14:44,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-18 05:14:44,653 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:14:44,657 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-18 05:14:44,703 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:44,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-18 05:14:44,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:14:44,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-18 05:14:44,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-18 05:14:44,713 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 3 states. [2020-07-18 05:14:45,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:45,277 INFO L93 Difference]: Finished difference Result 139 states and 161 transitions. [2020-07-18 05:14:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-18 05:14:45,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-07-18 05:14:45,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:14:45,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:14:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2020-07-18 05:14:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-18 05:14:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 161 transitions. [2020-07-18 05:14:45,303 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 161 transitions. [2020-07-18 05:14:45,577 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 161 edges. 161 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:45,592 INFO L225 Difference]: With dead ends: 139 [2020-07-18 05:14:45,592 INFO L226 Difference]: Without dead ends: 81 [2020-07-18 05:14:45,596 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 [2020-07-18 05:14:45,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-18 05:14:45,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-18 05:14:45,675 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:14:45,676 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand 81 states. [2020-07-18 05:14:45,677 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2020-07-18 05:14:45,677 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2020-07-18 05:14:45,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:45,685 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2020-07-18 05:14:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2020-07-18 05:14:45,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:45,686 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:45,687 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand 81 states. [2020-07-18 05:14:45,687 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 81 states. [2020-07-18 05:14:45,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:14:45,695 INFO L93 Difference]: Finished difference Result 81 states and 87 transitions. [2020-07-18 05:14:45,695 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2020-07-18 05:14:45,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:14:45,696 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:14:45,697 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:14:45,697 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:14:45,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-18 05:14:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 87 transitions. [2020-07-18 05:14:45,704 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 87 transitions. Word has length 31 [2020-07-18 05:14:45,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:14:45,704 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 87 transitions. [2020-07-18 05:14:45,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-18 05:14:45,705 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 81 states and 87 transitions. [2020-07-18 05:14:45,805 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:14:45,806 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2020-07-18 05:14:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-07-18 05:14:45,807 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:14:45,808 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] [2020-07-18 05:14:45,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:14:45,808 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:14:45,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:14:45,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1364070485, now seen corresponding path program 1 times [2020-07-18 05:14:45,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:14:45,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352251235] [2020-07-18 05:14:45,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:14:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:14:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 05:14:45,948 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 05:14:45,948 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 05:14:45,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 05:14:46,011 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 05:14:46,012 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:14:46,012 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 05:14:46,012 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 05:14:46,012 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:14:46,012 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:14:46,012 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 05:14:46,012 WARN L170 areAnnotationChecker]: L986 has no Hoare annotation [2020-07-18 05:14:46,013 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 05:14:46,013 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 05:14:46,013 WARN L170 areAnnotationChecker]: L987 has no Hoare annotation [2020-07-18 05:14:46,013 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 05:14:46,013 WARN L170 areAnnotationChecker]: L987-1 has no Hoare annotation [2020-07-18 05:14:46,013 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 05:14:46,014 WARN L170 areAnnotationChecker]: L988 has no Hoare annotation [2020-07-18 05:14:46,014 WARN L170 areAnnotationChecker]: L989 has no Hoare annotation [2020-07-18 05:14:46,014 WARN L170 areAnnotationChecker]: L989 has no Hoare annotation [2020-07-18 05:14:46,014 WARN L170 areAnnotationChecker]: L989-1 has no Hoare annotation [2020-07-18 05:14:46,014 WARN L170 areAnnotationChecker]: L989-9 has no Hoare annotation [2020-07-18 05:14:46,014 WARN L170 areAnnotationChecker]: L989-2 has no Hoare annotation [2020-07-18 05:14:46,014 WARN L170 areAnnotationChecker]: L989-10 has no Hoare annotation [2020-07-18 05:14:46,014 WARN L170 areAnnotationChecker]: L989-3 has no Hoare annotation [2020-07-18 05:14:46,015 WARN L170 areAnnotationChecker]: L989-11 has no Hoare annotation [2020-07-18 05:14:46,015 WARN L170 areAnnotationChecker]: L989-11 has no Hoare annotation [2020-07-18 05:14:46,015 WARN L170 areAnnotationChecker]: L989-4 has no Hoare annotation [2020-07-18 05:14:46,015 WARN L170 areAnnotationChecker]: L989-12 has no Hoare annotation [2020-07-18 05:14:46,015 WARN L170 areAnnotationChecker]: L989-16 has no Hoare annotation [2020-07-18 05:14:46,015 WARN L170 areAnnotationChecker]: L989-5 has no Hoare annotation [2020-07-18 05:14:46,015 WARN L170 areAnnotationChecker]: L989-13 has no Hoare annotation [2020-07-18 05:14:46,016 WARN L170 areAnnotationChecker]: L989-17 has no Hoare annotation [2020-07-18 05:14:46,016 WARN L170 areAnnotationChecker]: L989-6 has no Hoare annotation [2020-07-18 05:14:46,016 WARN L170 areAnnotationChecker]: L989-14 has no Hoare annotation [2020-07-18 05:14:46,016 WARN L170 areAnnotationChecker]: L989-18 has no Hoare annotation [2020-07-18 05:14:46,016 WARN L170 areAnnotationChecker]: L989-7 has no Hoare annotation [2020-07-18 05:14:46,016 WARN L170 areAnnotationChecker]: L989-19 has no Hoare annotation [2020-07-18 05:14:46,016 WARN L170 areAnnotationChecker]: L992-34 has no Hoare annotation [2020-07-18 05:14:46,017 WARN L170 areAnnotationChecker]: L992-34 has no Hoare annotation [2020-07-18 05:14:46,017 WARN L170 areAnnotationChecker]: L992-35 has no Hoare annotation [2020-07-18 05:14:46,017 WARN L170 areAnnotationChecker]: L992-1 has no Hoare annotation [2020-07-18 05:14:46,017 WARN L170 areAnnotationChecker]: L992-1 has no Hoare annotation [2020-07-18 05:14:46,017 WARN L170 areAnnotationChecker]: L996-2 has no Hoare annotation [2020-07-18 05:14:46,017 WARN L170 areAnnotationChecker]: L996-2 has no Hoare annotation [2020-07-18 05:14:46,017 WARN L170 areAnnotationChecker]: L996-2 has no Hoare annotation [2020-07-18 05:14:46,018 WARN L170 areAnnotationChecker]: L992-2 has no Hoare annotation [2020-07-18 05:14:46,018 WARN L170 areAnnotationChecker]: L992-4 has no Hoare annotation [2020-07-18 05:14:46,018 WARN L170 areAnnotationChecker]: L996-3 has no Hoare annotation [2020-07-18 05:14:46,018 WARN L170 areAnnotationChecker]: L998-16 has no Hoare annotation [2020-07-18 05:14:46,018 WARN L170 areAnnotationChecker]: L998-16 has no Hoare annotation [2020-07-18 05:14:46,018 WARN L170 areAnnotationChecker]: L992-5 has no Hoare annotation [2020-07-18 05:14:46,018 WARN L170 areAnnotationChecker]: L1010 has no Hoare annotation [2020-07-18 05:14:46,018 WARN L170 areAnnotationChecker]: L1010 has no Hoare annotation [2020-07-18 05:14:46,019 WARN L170 areAnnotationChecker]: L1010 has no Hoare annotation [2020-07-18 05:14:46,019 WARN L170 areAnnotationChecker]: L998-1 has no Hoare annotation [2020-07-18 05:14:46,019 WARN L170 areAnnotationChecker]: L998-17 has no Hoare annotation [2020-07-18 05:14:46,019 WARN L170 areAnnotationChecker]: L992-6 has no Hoare annotation [2020-07-18 05:14:46,019 WARN L170 areAnnotationChecker]: L1004-2 has no Hoare annotation [2020-07-18 05:14:46,019 WARN L170 areAnnotationChecker]: L1006 has no Hoare annotation [2020-07-18 05:14:46,019 WARN L170 areAnnotationChecker]: L998-2 has no Hoare annotation [2020-07-18 05:14:46,019 WARN L170 areAnnotationChecker]: L998-2 has no Hoare annotation [2020-07-18 05:14:46,020 WARN L170 areAnnotationChecker]: L999 has no Hoare annotation [2020-07-18 05:14:46,020 WARN L170 areAnnotationChecker]: L992-7 has no Hoare annotation [2020-07-18 05:14:46,020 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 05:14:46,020 WARN L170 areAnnotationChecker]: L1007 has no Hoare annotation [2020-07-18 05:14:46,020 WARN L170 areAnnotationChecker]: L998-3 has no Hoare annotation [2020-07-18 05:14:46,020 WARN L170 areAnnotationChecker]: L998-6 has no Hoare annotation [2020-07-18 05:14:46,020 WARN L170 areAnnotationChecker]: L998-6 has no Hoare annotation [2020-07-18 05:14:46,020 WARN L170 areAnnotationChecker]: L999-1 has no Hoare annotation [2020-07-18 05:14:46,021 WARN L170 areAnnotationChecker]: L992-8 has no Hoare annotation [2020-07-18 05:14:46,021 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 05:14:46,021 WARN L170 areAnnotationChecker]: L1007-1 has no Hoare annotation [2020-07-18 05:14:46,021 WARN L170 areAnnotationChecker]: L998-4 has no Hoare annotation [2020-07-18 05:14:46,021 WARN L170 areAnnotationChecker]: L998-7 has no Hoare annotation [2020-07-18 05:14:46,021 WARN L170 areAnnotationChecker]: L998-12 has no Hoare annotation [2020-07-18 05:14:46,021 WARN L170 areAnnotationChecker]: L992-9 has no Hoare annotation [2020-07-18 05:14:46,022 WARN L170 areAnnotationChecker]: L1007-2 has no Hoare annotation [2020-07-18 05:14:46,022 WARN L170 areAnnotationChecker]: L998-8 has no Hoare annotation [2020-07-18 05:14:46,022 WARN L170 areAnnotationChecker]: L998-13 has no Hoare annotation [2020-07-18 05:14:46,022 WARN L170 areAnnotationChecker]: L992-10 has no Hoare annotation [2020-07-18 05:14:46,022 WARN L170 areAnnotationChecker]: L1008 has no Hoare annotation [2020-07-18 05:14:46,022 WARN L170 areAnnotationChecker]: L998-9 has no Hoare annotation [2020-07-18 05:14:46,022 WARN L170 areAnnotationChecker]: L998-14 has no Hoare annotation [2020-07-18 05:14:46,022 WARN L170 areAnnotationChecker]: L992-11 has no Hoare annotation [2020-07-18 05:14:46,023 WARN L170 areAnnotationChecker]: L1008-1 has no Hoare annotation [2020-07-18 05:14:46,023 WARN L170 areAnnotationChecker]: L1008-1 has no Hoare annotation [2020-07-18 05:14:46,023 WARN L170 areAnnotationChecker]: L998-10 has no Hoare annotation [2020-07-18 05:14:46,023 WARN L170 areAnnotationChecker]: L998-10 has no Hoare annotation [2020-07-18 05:14:46,023 WARN L170 areAnnotationChecker]: L998-15 has no Hoare annotation [2020-07-18 05:14:46,023 WARN L170 areAnnotationChecker]: L998-15 has no Hoare annotation [2020-07-18 05:14:46,023 WARN L170 areAnnotationChecker]: L992-12 has no Hoare annotation [2020-07-18 05:14:46,024 WARN L170 areAnnotationChecker]: L1008-2 has no Hoare annotation [2020-07-18 05:14:46,024 WARN L170 areAnnotationChecker]: L1008-4 has no Hoare annotation [2020-07-18 05:14:46,024 WARN L170 areAnnotationChecker]: L992-13 has no Hoare annotation [2020-07-18 05:14:46,024 WARN L170 areAnnotationChecker]: L1009 has no Hoare annotation [2020-07-18 05:14:46,024 WARN L170 areAnnotationChecker]: L1008-5 has no Hoare annotation [2020-07-18 05:14:46,024 WARN L170 areAnnotationChecker]: L992-14 has no Hoare annotation [2020-07-18 05:14:46,024 WARN L170 areAnnotationChecker]: L1009-1 has no Hoare annotation [2020-07-18 05:14:46,024 WARN L170 areAnnotationChecker]: L992-15 has no Hoare annotation [2020-07-18 05:14:46,025 WARN L170 areAnnotationChecker]: L992-15 has no Hoare annotation [2020-07-18 05:14:46,025 WARN L170 areAnnotationChecker]: L1009-2 has no Hoare annotation [2020-07-18 05:14:46,025 WARN L170 areAnnotationChecker]: L992-16 has no Hoare annotation [2020-07-18 05:14:46,025 WARN L170 areAnnotationChecker]: L992-24 has no Hoare annotation [2020-07-18 05:14:46,025 WARN L170 areAnnotationChecker]: L992-17 has no Hoare annotation [2020-07-18 05:14:46,025 WARN L170 areAnnotationChecker]: L992-25 has no Hoare annotation [2020-07-18 05:14:46,025 WARN L170 areAnnotationChecker]: L992-18 has no Hoare annotation [2020-07-18 05:14:46,025 WARN L170 areAnnotationChecker]: L992-26 has no Hoare annotation [2020-07-18 05:14:46,026 WARN L170 areAnnotationChecker]: L992-26 has no Hoare annotation [2020-07-18 05:14:46,026 WARN L170 areAnnotationChecker]: L992-19 has no Hoare annotation [2020-07-18 05:14:46,026 WARN L170 areAnnotationChecker]: L992-27 has no Hoare annotation [2020-07-18 05:14:46,026 WARN L170 areAnnotationChecker]: L992-31 has no Hoare annotation [2020-07-18 05:14:46,026 WARN L170 areAnnotationChecker]: L992-20 has no Hoare annotation [2020-07-18 05:14:46,026 WARN L170 areAnnotationChecker]: L992-28 has no Hoare annotation [2020-07-18 05:14:46,026 WARN L170 areAnnotationChecker]: L992-32 has no Hoare annotation [2020-07-18 05:14:46,026 WARN L170 areAnnotationChecker]: L992-21 has no Hoare annotation [2020-07-18 05:14:46,027 WARN L170 areAnnotationChecker]: L992-29 has no Hoare annotation [2020-07-18 05:14:46,027 WARN L170 areAnnotationChecker]: L992-33 has no Hoare annotation [2020-07-18 05:14:46,027 WARN L170 areAnnotationChecker]: L992-22 has no Hoare annotation [2020-07-18 05:14:46,027 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 05:14:46,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:14:46 BoogieIcfgContainer [2020-07-18 05:14:46,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:14:46,034 INFO L168 Benchmark]: Toolchain (without parser) took 3687.72 ms. Allocated memory was 143.7 MB in the beginning and 246.9 MB in the end (delta: 103.3 MB). Free memory was 104.6 MB in the beginning and 169.6 MB in the end (delta: -65.0 MB). Peak memory consumption was 38.3 MB. Max. memory is 7.1 GB. [2020-07-18 05:14:46,035 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 05:14:46,036 INFO L168 Benchmark]: CACSL2BoogieTranslator took 686.93 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 104.2 MB in the beginning and 168.1 MB in the end (delta: -63.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-07-18 05:14:46,037 INFO L168 Benchmark]: Boogie Preprocessor took 76.62 ms. Allocated memory is still 202.4 MB. Free memory was 168.1 MB in the beginning and 164.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-07-18 05:14:46,038 INFO L168 Benchmark]: RCFGBuilder took 1097.70 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 164.8 MB in the beginning and 207.4 MB in the end (delta: -42.5 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. [2020-07-18 05:14:46,039 INFO L168 Benchmark]: TraceAbstraction took 1820.13 ms. Allocated memory was 234.9 MB in the beginning and 246.9 MB in the end (delta: 12.1 MB). Free memory was 207.4 MB in the beginning and 169.6 MB in the end (delta: 37.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 7.1 GB. [2020-07-18 05:14:46,043 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 123.7 MB in the beginning and 123.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 686.93 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 104.2 MB in the beginning and 168.1 MB in the end (delta: -63.9 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.62 ms. Allocated memory is still 202.4 MB. Free memory was 168.1 MB in the beginning and 164.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1097.70 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 164.8 MB in the beginning and 207.4 MB in the end (delta: -42.5 MB). Peak memory consumption was 76.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1820.13 ms. Allocated memory was 234.9 MB in the beginning and 246.9 MB in the end (delta: 12.1 MB). Free memory was 207.4 MB in the beginning and 169.6 MB in the end (delta: 37.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 998]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L986] SLL* head = malloc(sizeof(SLL)); VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L987] head->next = ((void*)0) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L988] head->prev = ((void*)0) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L989] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L989] COND TRUE __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L989] head->data = 1 VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L989] head->opt = head VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}] [L990] SLL* x = head; VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L992] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L995] x = head VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L996] COND TRUE x != ((void*)0) VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] [L998] EXPR x->data VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}, x->data=1] [L998] 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] [L998] 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] [L998] __VERIFIER_error() VAL [head={-1:0}, malloc(sizeof(SLL))={-1:0}, x={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.8s, 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=100occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 1170 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...