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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:12:19,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:12:19,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:12:19,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:12:19,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:12:19,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:12:19,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:12:19,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:12:19,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:12:19,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:12:19,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:12:19,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:12:19,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:12:19,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:12:19,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:12:19,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:12:19,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:12:19,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:12:19,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:12:19,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:12:19,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:12:19,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:12:19,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:12:19,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:12:19,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:12:19,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:12:19,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:12:19,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:12:19,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:12:19,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:12:19,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:12:19,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:12:19,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:12:19,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:12:19,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:12:19,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:12:19,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:12:19,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:12:19,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:12:19,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:12:19,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:12:19,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:12:19,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:12:19,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:12:19,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:12:19,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:12:19,798 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:12:19,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:12:19,798 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:12:19,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:12:19,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:12:19,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:12:19,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:12:19,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:12:19,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:12:19,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:12:19,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:12:19,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:12:19,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:12:19,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:12:19,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:12:19,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:12:19,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:12:19,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:12:19,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:12:19,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:12:19,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:12:19,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:12:19,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:12:19,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:12:19,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:12:20,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:12:20,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:12:20,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:12:20,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:12:20,129 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:12:20,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-simple-white-blue-1.i [2019-10-13 20:12:20,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f65076c/2ae69b19bc474cd8ab018f842485369a/FLAG2941771dd [2019-10-13 20:12:20,785 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:12:20,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-simple-white-blue-1.i [2019-10-13 20:12:20,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f65076c/2ae69b19bc474cd8ab018f842485369a/FLAG2941771dd [2019-10-13 20:12:21,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f65076c/2ae69b19bc474cd8ab018f842485369a [2019-10-13 20:12:21,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:12:21,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:12:21,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:12:21,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:12:21,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:12:21,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:12:21" (1/1) ... [2019-10-13 20:12:21,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748ab9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:21, skipping insertion in model container [2019-10-13 20:12:21,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:12:21" (1/1) ... [2019-10-13 20:12:21,101 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:12:21,156 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:12:21,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:12:21,637 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:12:21,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:12:21,741 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:12:21,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:21 WrapperNode [2019-10-13 20:12:21,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:12:21,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:12:21,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:12:21,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:12:21,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:21" (1/1) ... [2019-10-13 20:12:21,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:21" (1/1) ... [2019-10-13 20:12:21,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:21" (1/1) ... [2019-10-13 20:12:21,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:21" (1/1) ... [2019-10-13 20:12:21,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:21" (1/1) ... [2019-10-13 20:12:21,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:21" (1/1) ... [2019-10-13 20:12:21,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:21" (1/1) ... [2019-10-13 20:12:21,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:12:21,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:12:21,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:12:21,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:12:21,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:21" (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 [2019-10-13 20:12:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:12:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:12:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-13 20:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-13 20:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-13 20:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-13 20:12:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-13 20:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-13 20:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-13 20:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-13 20:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-13 20:12:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-13 20:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-13 20:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-13 20:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-13 20:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-13 20:12:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-13 20:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-13 20:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-13 20:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-13 20:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-13 20:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-13 20:12:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-13 20:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-13 20:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-13 20:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-13 20:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-13 20:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-13 20:12:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-13 20:12:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-13 20:12:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-13 20:12:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-13 20:12:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-13 20:12:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-13 20:12:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-13 20:12:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-13 20:12:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-13 20:12:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-13 20:12:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-13 20:12:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-13 20:12:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-13 20:12:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-13 20:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-13 20:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-13 20:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-13 20:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-13 20:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-13 20:12:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-13 20:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-13 20:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-13 20:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-13 20:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-13 20:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:12:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:12:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-13 20:12:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:12:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-13 20:12:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-13 20:12:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-13 20:12:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-13 20:12:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-13 20:12:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 20:12:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-13 20:12:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-13 20:12:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-13 20:12:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 20:12:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-13 20:12:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-13 20:12:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-13 20:12:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-13 20:12:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-13 20:12:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-13 20:12:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-13 20:12:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-13 20:12:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-13 20:12:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-13 20:12:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-13 20:12:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-13 20:12:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-13 20:12:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-13 20:12:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-13 20:12:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-13 20:12:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-13 20:12:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-13 20:12:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-13 20:12:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-13 20:12:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-13 20:12:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-13 20:12:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-13 20:12:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-13 20:12:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-13 20:12:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-13 20:12:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-13 20:12:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-13 20:12:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-13 20:12:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-13 20:12:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-13 20:12:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-13 20:12:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-13 20:12:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-13 20:12:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-13 20:12:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-13 20:12:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-13 20:12:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-13 20:12:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-13 20:12:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:12:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:12:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:12:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:12:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:12:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:12:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:12:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:12:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:12:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:12:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:12:22,502 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:12:22,503 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-13 20:12:22,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:12:22 BoogieIcfgContainer [2019-10-13 20:12:22,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:12:22,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:12:22,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:12:22,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:12:22,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:12:21" (1/3) ... [2019-10-13 20:12:22,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d66f39b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:12:22, skipping insertion in model container [2019-10-13 20:12:22,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:12:21" (2/3) ... [2019-10-13 20:12:22,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d66f39b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:12:22, skipping insertion in model container [2019-10-13 20:12:22,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:12:22" (3/3) ... [2019-10-13 20:12:22,514 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-simple-white-blue-1.i [2019-10-13 20:12:22,523 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:12:22,531 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:12:22,544 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:12:22,569 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:12:22,569 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:12:22,569 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:12:22,570 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:12:22,571 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:12:22,571 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:12:22,572 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:12:22,572 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:12:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2019-10-13 20:12:22,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-13 20:12:22,597 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:12:22,598 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:12:22,600 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:12:22,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:12:22,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1759752198, now seen corresponding path program 1 times [2019-10-13 20:12:22,616 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:12:22,617 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377614372] [2019-10-13 20:12:22,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:22,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:22,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:12:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:12:22,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:12:22,792 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377614372] [2019-10-13 20:12:22,793 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:12:22,794 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 20:12:22,794 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786139870] [2019-10-13 20:12:22,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 20:12:22,802 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:12:22,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 20:12:22,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 20:12:22,821 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2019-10-13 20:12:22,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:12:22,847 INFO L93 Difference]: Finished difference Result 53 states and 80 transitions. [2019-10-13 20:12:22,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 20:12:22,849 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2019-10-13 20:12:22,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:12:22,860 INFO L225 Difference]: With dead ends: 53 [2019-10-13 20:12:22,860 INFO L226 Difference]: Without dead ends: 23 [2019-10-13 20:12:22,864 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 20:12:22,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-10-13 20:12:22,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2019-10-13 20:12:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-10-13 20:12:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2019-10-13 20:12:22,908 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 15 [2019-10-13 20:12:22,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:12:22,909 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2019-10-13 20:12:22,909 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 20:12:22,909 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2019-10-13 20:12:22,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-13 20:12:22,910 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:12:22,910 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:12:22,911 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:12:22,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:12:22,911 INFO L82 PathProgramCache]: Analyzing trace with hash -666433660, now seen corresponding path program 1 times [2019-10-13 20:12:22,912 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:12:22,912 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688597247] [2019-10-13 20:12:22,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:22,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:22,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:12:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:12:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:12:23,173 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688597247] [2019-10-13 20:12:23,173 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:12:23,173 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:12:23,173 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752871754] [2019-10-13 20:12:23,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:12:23,176 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:12:23,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:12:23,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:12:23,176 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand 7 states. [2019-10-13 20:12:23,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:12:23,457 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2019-10-13 20:12:23,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 20:12:23,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2019-10-13 20:12:23,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:12:23,460 INFO L225 Difference]: With dead ends: 47 [2019-10-13 20:12:23,460 INFO L226 Difference]: Without dead ends: 45 [2019-10-13 20:12:23,461 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-10-13 20:12:23,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-10-13 20:12:23,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 29. [2019-10-13 20:12:23,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2019-10-13 20:12:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2019-10-13 20:12:23,470 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 17 [2019-10-13 20:12:23,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:12:23,470 INFO L462 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2019-10-13 20:12:23,470 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 20:12:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2019-10-13 20:12:23,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-13 20:12:23,471 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:12:23,472 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:12:23,472 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:12:23,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:12:23,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1010508073, now seen corresponding path program 1 times [2019-10-13 20:12:23,473 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:12:23,473 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447721022] [2019-10-13 20:12:23,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:23,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:12:23,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:12:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:12:23,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:12:23,666 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447721022] [2019-10-13 20:12:23,667 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680893315] [2019-10-13 20:12:23,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:12:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:12:23,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 30 conjunts are in the unsatisfiable core [2019-10-13 20:12:23,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 20:12:23,883 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-10-13 20:12:23,883 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 20:12:23,908 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:23,919 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 20:12:23,921 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2019-10-13 20:12:23,922 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-13 20:12:23,933 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:23,942 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 20:12:23,947 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2019-10-13 20:12:23,947 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-13 20:12:23,955 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:23,956 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 20:12:23,956 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:51, output treesize:20 [2019-10-13 20:12:23,983 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:23,984 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-10-13 20:12:23,985 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 20:12:24,011 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:24,022 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-13 20:12:24,045 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:24,059 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-13 20:12:24,083 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:24,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 20:12:24,094 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-10-13 20:12:24,095 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-13 20:12:24,117 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:24,126 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-13 20:12:24,128 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-10-13 20:12:24,129 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-13 20:12:24,152 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:24,154 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 20:12:24,154 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:85, output treesize:39 [2019-10-13 20:12:24,262 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:24,262 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 52 [2019-10-13 20:12:24,266 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 20:12:24,276 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 20:12:24,278 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-13 20:12:24,308 INFO L567 ElimStorePlain]: treesize reduction 16, result has 65.2 percent of original size [2019-10-13 20:12:24,315 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 10 [2019-10-13 20:12:24,316 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-13 20:12:24,326 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:24,327 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-13 20:12:24,328 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:69, output treesize:7 [2019-10-13 20:12:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:12:24,335 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 20:12:24,363 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 20:12:24,382 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-13 20:12:24,388 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-13 20:12:24,431 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:24,436 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-13 20:12:24,442 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-13 20:12:24,465 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-13 20:12:24,467 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2019-10-13 20:12:24,468 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:125, output treesize:55 [2019-10-13 20:12:24,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:12:24,590 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [689746068] [2019-10-13 20:12:24,598 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 20 [2019-10-13 20:12:24,649 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 20:12:24,650 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 20:12:24,747 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 20:12:24,748 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 32 variables. [2019-10-13 20:12:24,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:12:24,752 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 20:12:24,796 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-10-13 20:12:24,796 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 20:12:24,797 INFO L553 sIntCurrentIteration]: We unified 18 AI predicates to 18 [2019-10-13 20:12:24,798 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 20:12:24,798 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 20:12:24,799 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 7] total 11 [2019-10-13 20:12:24,799 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484732842] [2019-10-13 20:12:24,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 20:12:24,800 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 20:12:24,800 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 20:12:24,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 20:12:24,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 20:12:24,801 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand 2 states. [2019-10-13 20:12:24,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:12:24,803 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2019-10-13 20:12:24,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 20:12:24,804 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-13 20:12:24,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:12:24,804 INFO L225 Difference]: With dead ends: 29 [2019-10-13 20:12:24,804 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 20:12:24,805 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 20:12:24,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 20:12:24,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 20:12:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 20:12:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 20:12:24,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-10-13 20:12:24,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:12:24,806 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 20:12:24,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 20:12:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 20:12:24,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 20:12:25,014 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 20:12:25,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 20:12:25,098 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 20:12:25,098 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 20:12:25,098 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 20:12:25,098 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 20:12:25,099 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 20:12:25,099 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 20:12:25,099 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 20:12:25,099 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 985 1056) no Hoare annotation was computed. [2019-10-13 20:12:25,099 INFO L439 ceAbstractionStarter]: At program point L1039-2(lines 1039 1044) the Hoare annotation is: false [2019-10-13 20:12:25,099 INFO L443 ceAbstractionStarter]: For program point L1039-3(lines 1039 1044) no Hoare annotation was computed. [2019-10-13 20:12:25,099 INFO L443 ceAbstractionStarter]: For program point L1015-1(lines 1015 1019) no Hoare annotation was computed. [2019-10-13 20:12:25,099 INFO L446 ceAbstractionStarter]: At program point L1048-2(lines 1048 1053) the Hoare annotation is: true [2019-10-13 20:12:25,100 INFO L443 ceAbstractionStarter]: For program point L1048-3(lines 1048 1053) no Hoare annotation was computed. [2019-10-13 20:12:25,100 INFO L439 ceAbstractionStarter]: At program point L1015-3(lines 1015 1019) the Hoare annotation is: false [2019-10-13 20:12:25,100 INFO L443 ceAbstractionStarter]: For program point L1015-4(lines 1015 1019) no Hoare annotation was computed. [2019-10-13 20:12:25,100 INFO L443 ceAbstractionStarter]: For program point L1032-1(lines 1032 1035) no Hoare annotation was computed. [2019-10-13 20:12:25,100 INFO L439 ceAbstractionStarter]: At program point L1032-3(lines 1032 1035) the Hoare annotation is: false [2019-10-13 20:12:25,100 INFO L443 ceAbstractionStarter]: For program point L1032-4(lines 1032 1035) no Hoare annotation was computed. [2019-10-13 20:12:25,100 INFO L443 ceAbstractionStarter]: For program point L995-1(lines 995 1002) no Hoare annotation was computed. [2019-10-13 20:12:25,101 INFO L439 ceAbstractionStarter]: At program point L995-3(lines 995 1002) the Hoare annotation is: false [2019-10-13 20:12:25,101 INFO L443 ceAbstractionStarter]: For program point L995-4(lines 995 1002) no Hoare annotation was computed. [2019-10-13 20:12:25,101 INFO L443 ceAbstractionStarter]: For program point L1041(lines 1041 1042) no Hoare annotation was computed. [2019-10-13 20:12:25,101 INFO L443 ceAbstractionStarter]: For program point L1041-1(lines 1041 1042) no Hoare annotation was computed. [2019-10-13 20:12:25,101 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 985 1056) no Hoare annotation was computed. [2019-10-13 20:12:25,101 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 985 1056) the Hoare annotation is: true [2019-10-13 20:12:25,101 INFO L443 ceAbstractionStarter]: For program point L1017(line 1017) no Hoare annotation was computed. [2019-10-13 20:12:25,101 INFO L443 ceAbstractionStarter]: For program point L1042-2(line 1042) no Hoare annotation was computed. [2019-10-13 20:12:25,102 INFO L439 ceAbstractionStarter]: At program point L1042-3(line 1042) the Hoare annotation is: false [2019-10-13 20:12:25,102 INFO L443 ceAbstractionStarter]: For program point L1005(lines 1005 1026) no Hoare annotation was computed. [2019-10-13 20:12:25,102 INFO L443 ceAbstractionStarter]: For program point L1005-2(lines 1005 1026) no Hoare annotation was computed. [2019-10-13 20:12:25,102 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1042) no Hoare annotation was computed. [2019-10-13 20:12:25,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:12:25 BoogieIcfgContainer [2019-10-13 20:12:25,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 20:12:25,114 INFO L168 Benchmark]: Toolchain (without parser) took 4029.86 ms. Allocated memory was 145.2 MB in the beginning and 249.6 MB in the end (delta: 104.3 MB). Free memory was 102.2 MB in the beginning and 195.1 MB in the end (delta: -93.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-10-13 20:12:25,115 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 20:12:25,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.77 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 169.5 MB in the end (delta: -67.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-10-13 20:12:25,117 INFO L168 Benchmark]: Boogie Preprocessor took 64.39 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 166.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-10-13 20:12:25,117 INFO L168 Benchmark]: RCFGBuilder took 697.70 ms. Allocated memory is still 202.9 MB. Free memory was 166.8 MB in the beginning and 122.1 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2019-10-13 20:12:25,118 INFO L168 Benchmark]: TraceAbstraction took 2606.19 ms. Allocated memory was 202.9 MB in the beginning and 249.6 MB in the end (delta: 46.7 MB). Free memory was 122.1 MB in the beginning and 195.1 MB in the end (delta: -73.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 20:12:25,122 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.77 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 169.5 MB in the end (delta: -67.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.39 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 166.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 697.70 ms. Allocated memory is still 202.9 MB. Free memory was 166.8 MB in the beginning and 122.1 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2606.19 ms. Allocated memory was 202.9 MB in the beginning and 249.6 MB in the end (delta: 46.7 MB). Free memory was 122.1 MB in the beginning and 195.1 MB in the end (delta: -73.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1042]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1032]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1042]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1015]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1039]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1048]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 31 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 57 SDtfs, 33 SDslu, 64 SDs, 0 SdLazy, 83 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 11 NumberOfFragments, 10 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 84 ConstructedInterpolants, 7 QuantifiedInterpolants, 20646 SizeOfPredicates, 13 NumberOfNonLiveVariables, 104 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 155, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9166666666666666, AVG_VARS_REMOVED_DURING_WEAKENING: 1.1666666666666667, AVG_WEAKENED_CONJUNCTS: 0.3333333333333333, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...