/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-simple-white-blue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 21:08:06,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 21:08:06,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 21:08:06,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 21:08:06,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 21:08:06,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 21:08:06,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 21:08:06,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 21:08:06,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 21:08:06,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 21:08:06,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 21:08:06,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 21:08:06,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 21:08:06,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 21:08:06,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 21:08:06,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 21:08:06,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 21:08:06,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 21:08:06,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 21:08:06,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 21:08:06,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 21:08:06,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 21:08:06,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 21:08:06,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 21:08:06,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 21:08:06,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 21:08:06,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 21:08:06,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 21:08:06,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 21:08:06,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 21:08:06,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 21:08:06,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 21:08:06,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 21:08:06,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 21:08:06,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 21:08:06,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 21:08:06,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 21:08:06,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 21:08:06,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:08:06,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:08:06,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:08:06,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 21:08:06,094 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:08:06,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:08:06,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:08:06,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:08:06,096 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:08:06,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:08:06,096 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:08:06,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:08:06,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:08:06,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:08:06,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:08:06,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:08:06,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:08:06,097 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:08:06,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:08:06,098 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:08:06,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:08:06,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:08:06,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:08:06,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:08:06,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:08:06,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:08:06,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:08:06,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:08:06,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:08:06,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:08:06,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:08:06,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:08:06,100 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:08:06,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES 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: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; [2020-08-18 21:08:06,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:08:06,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:08:06,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:08:06,402 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:08:06,402 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:08:06,403 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-simple-white-blue-1.i [2020-08-18 21:08:06,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e842e42c/3ea01815058d4b08a6667cd36fda6ee9/FLAG574f826c6 [2020-08-18 21:08:06,981 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:08:06,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/forester-heap/dll-simple-white-blue-1.i [2020-08-18 21:08:06,999 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e842e42c/3ea01815058d4b08a6667cd36fda6ee9/FLAG574f826c6 [2020-08-18 21:08:07,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e842e42c/3ea01815058d4b08a6667cd36fda6ee9 [2020-08-18 21:08:07,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:08:07,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:08:07,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:08:07,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:08:07,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:08:07,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:08:07" (1/1) ... [2020-08-18 21:08:07,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b88a15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:08:07, skipping insertion in model container [2020-08-18 21:08:07,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:08:07" (1/1) ... [2020-08-18 21:08:07,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:08:07,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:08:07,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:08:07,863 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:08:07,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:08:07,959 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:08:07,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:08:07 WrapperNode [2020-08-18 21:08:07,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:08:07,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:08:07,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:08:07,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:08:07,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:08:07" (1/1) ... [2020-08-18 21:08:07,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:08:07" (1/1) ... [2020-08-18 21:08:07,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:08:07" (1/1) ... [2020-08-18 21:08:07,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:08:07" (1/1) ... [2020-08-18 21:08:08,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:08:07" (1/1) ... [2020-08-18 21:08:08,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:08:07" (1/1) ... [2020-08-18 21:08:08,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:08:07" (1/1) ... [2020-08-18 21:08:08,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:08:08,034 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:08:08,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:08:08,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:08:08,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:08:07" (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 [2020-08-18 21:08:08,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:08:08,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:08:08,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:08:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-08-18 21:08:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-08-18 21:08:08,116 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-08-18 21:08:08,117 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-08-18 21:08:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-08-18 21:08:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-08-18 21:08:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-08-18 21:08:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-08-18 21:08:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-08-18 21:08:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-08-18 21:08:08,119 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-08-18 21:08:08,120 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-08-18 21:08:08,120 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-08-18 21:08:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-08-18 21:08:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-08-18 21:08:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-08-18 21:08:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-08-18 21:08:08,121 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-08-18 21:08:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-08-18 21:08:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-08-18 21:08:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-08-18 21:08:08,122 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-08-18 21:08:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-08-18 21:08:08,123 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-08-18 21:08:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-08-18 21:08:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-08-18 21:08:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-08-18 21:08:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-08-18 21:08:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-08-18 21:08:08,124 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-08-18 21:08:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-08-18 21:08:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-08-18 21:08:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-08-18 21:08:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-08-18 21:08:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-08-18 21:08:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-08-18 21:08:08,125 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-08-18 21:08:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-08-18 21:08:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-08-18 21:08:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-08-18 21:08:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-08-18 21:08:08,126 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-08-18 21:08:08,127 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-08-18 21:08:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-08-18 21:08:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-08-18 21:08:08,128 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-08-18 21:08:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-08-18 21:08:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-08-18 21:08:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-08-18 21:08:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-08-18 21:08:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 21:08:08,129 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-18 21:08:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-08-18 21:08:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 21:08:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-08-18 21:08:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-08-18 21:08:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-08-18 21:08:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-08-18 21:08:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-08-18 21:08:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-18 21:08:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-08-18 21:08:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-08-18 21:08:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-08-18 21:08:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 21:08:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-08-18 21:08:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-08-18 21:08:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-08-18 21:08:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-08-18 21:08:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-08-18 21:08:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-08-18 21:08:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-08-18 21:08:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-08-18 21:08:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-08-18 21:08:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-08-18 21:08:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-08-18 21:08:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-08-18 21:08:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-08-18 21:08:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-08-18 21:08:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-08-18 21:08:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-08-18 21:08:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-08-18 21:08:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-08-18 21:08:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-08-18 21:08:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-08-18 21:08:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-08-18 21:08:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-08-18 21:08:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-08-18 21:08:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-08-18 21:08:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-08-18 21:08:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-08-18 21:08:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-08-18 21:08:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-08-18 21:08:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-08-18 21:08:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-08-18 21:08:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-08-18 21:08:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-08-18 21:08:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-08-18 21:08:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-08-18 21:08:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-08-18 21:08:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-08-18 21:08:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-08-18 21:08:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-08-18 21:08:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-08-18 21:08:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 21:08:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:08:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:08:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 21:08:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 21:08:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 21:08:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 21:08:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 21:08:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 21:08:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:08:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:08:08,765 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:08:08,766 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-08-18 21:08:08,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:08:08 BoogieIcfgContainer [2020-08-18 21:08:08,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:08:08,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:08:08,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:08:08,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:08:08,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:08:07" (1/3) ... [2020-08-18 21:08:08,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2760e92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:08:08, skipping insertion in model container [2020-08-18 21:08:08,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:08:07" (2/3) ... [2020-08-18 21:08:08,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2760e92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:08:08, skipping insertion in model container [2020-08-18 21:08:08,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:08:08" (3/3) ... [2020-08-18 21:08:08,783 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-simple-white-blue-1.i [2020-08-18 21:08:08,798 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:08:08,806 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:08:08,819 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:08:08,839 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:08:08,840 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:08:08,840 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:08:08,840 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:08:08,840 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:08:08,840 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:08:08,841 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:08:08,841 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:08:08,859 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-08-18 21:08:08,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-18 21:08:08,867 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:08:08,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:08:08,868 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:08:08,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:08:08,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1881548223, now seen corresponding path program 1 times [2020-08-18 21:08:08,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:08:08,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871592173] [2020-08-18 21:08:08,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:08:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:08:09,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:08:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:08:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:08:09,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871592173] [2020-08-18 21:08:09,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:08:09,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 21:08:09,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023459267] [2020-08-18 21:08:09,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 21:08:09,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:08:09,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 21:08:09,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 21:08:09,137 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 3 states. [2020-08-18 21:08:09,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:08:09,261 INFO L93 Difference]: Finished difference Result 55 states and 84 transitions. [2020-08-18 21:08:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 21:08:09,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-08-18 21:08:09,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:08:09,274 INFO L225 Difference]: With dead ends: 55 [2020-08-18 21:08:09,275 INFO L226 Difference]: Without dead ends: 24 [2020-08-18 21:08:09,279 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 [2020-08-18 21:08:09,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-08-18 21:08:09,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-08-18 21:08:09,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-08-18 21:08:09,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2020-08-18 21:08:09,341 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 30 transitions. Word has length 15 [2020-08-18 21:08:09,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:08:09,341 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 30 transitions. [2020-08-18 21:08:09,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 21:08:09,342 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2020-08-18 21:08:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-08-18 21:08:09,343 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:08:09,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:08:09,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:08:09,343 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:08:09,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:08:09,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1899192242, now seen corresponding path program 1 times [2020-08-18 21:08:09,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:08:09,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502395467] [2020-08-18 21:08:09,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:08:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-18 21:08:09,398 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-18 21:08:09,398 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-18 21:08:09,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 21:08:09,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:08:09 BoogieIcfgContainer [2020-08-18 21:08:09,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 21:08:09,423 INFO L168 Benchmark]: Toolchain (without parser) took 2131.53 ms. Allocated memory was 146.3 MB in the beginning and 237.0 MB in the end (delta: 90.7 MB). Free memory was 100.8 MB in the beginning and 198.1 MB in the end (delta: -97.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 21:08:09,424 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 21:08:09,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.29 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.6 MB in the beginning and 170.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-08-18 21:08:09,426 INFO L168 Benchmark]: Boogie Preprocessor took 73.25 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 167.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-08-18 21:08:09,427 INFO L168 Benchmark]: RCFGBuilder took 735.89 ms. Allocated memory is still 203.9 MB. Free memory was 167.4 MB in the beginning and 119.8 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. [2020-08-18 21:08:09,428 INFO L168 Benchmark]: TraceAbstraction took 649.25 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 119.8 MB in the beginning and 198.1 MB in the end (delta: -78.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 21:08:09,432 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.29 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.6 MB in the beginning and 170.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 73.25 ms. Allocated memory is still 203.9 MB. Free memory was 170.8 MB in the beginning and 167.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 735.89 ms. Allocated memory is still 203.9 MB. Free memory was 167.4 MB in the beginning and 119.8 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 649.25 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 119.8 MB in the beginning and 198.1 MB in the end (delta: -78.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1052]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L989] SLL* head = malloc(sizeof(SLL)); [L990] head->next = ((void*)0) [L991] head->prev = ((void*)0) [L992] head->data = 0 [L994] SLL* x = head; [L997] COND FALSE !(__VERIFIER_nondet_int()) [L1008] COND TRUE __VERIFIER_nondet_int() [L1009] x = malloc(sizeof(SLL)) [L1010] x->data = 1 [L1011] x->next = head [L1012] x->prev = ((void*)0) [L1013] head = x [L1039] x = head [L1042] EXPR x->data [L1042] COND FALSE !(x->data != 1) [L1048] EXPR x->next [L1048] x = x->next [L1049] COND TRUE \read(*x) [L1051] EXPR x->data [L1051] COND TRUE x->data != 1 [L1052] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 36 SDtfs, 0 SDslu, 4 SDs, 0 SdLazy, 34 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=32occurred 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, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 322 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...