./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/array-memsafety/selectionsort-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/array-memsafety/selectionsort-alloca_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44846bb6d84d04329b704265dd9929c19b9c8486 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 21:57:11,825 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 21:57:11,827 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 21:57:11,844 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 21:57:11,844 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 21:57:11,847 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 21:57:11,851 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 21:57:11,854 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 21:57:11,857 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 21:57:11,859 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 21:57:11,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 21:57:11,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 21:57:11,863 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 21:57:11,864 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 21:57:11,866 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 21:57:11,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 21:57:11,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 21:57:11,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 21:57:11,879 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 21:57:11,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 21:57:11,882 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 21:57:11,883 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 21:57:11,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 21:57:11,885 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 21:57:11,885 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 21:57:11,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 21:57:11,887 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 21:57:11,888 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 21:57:11,888 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 21:57:11,889 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 21:57:11,890 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 21:57:11,890 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 21:57:11,890 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 21:57:11,891 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 21:57:11,891 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 21:57:11,892 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 21:57:11,892 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 21:57:11,906 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 21:57:11,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 21:57:11,908 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 21:57:11,908 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 21:57:11,908 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 21:57:11,908 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 21:57:11,908 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 21:57:11,909 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 21:57:11,909 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 21:57:11,909 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 21:57:11,909 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 21:57:11,909 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 21:57:11,909 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 21:57:11,910 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 21:57:11,910 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 21:57:11,910 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 21:57:11,910 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 21:57:11,910 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 21:57:11,911 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 21:57:11,911 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 21:57:11,911 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 21:57:11,911 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 21:57:11,911 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 21:57:11,911 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 21:57:11,912 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 21:57:11,912 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 21:57:11,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44846bb6d84d04329b704265dd9929c19b9c8486 [2019-01-13 21:57:11,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 21:57:11,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 21:57:11,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 21:57:11,992 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 21:57:11,992 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 21:57:11,993 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/selectionsort-alloca_true-valid-memsafety_true-termination.i [2019-01-13 21:57:12,052 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0a3d939f/c8d294c60e3e4ef7a0d405fc96202214/FLAG5bee85362 [2019-01-13 21:57:12,540 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 21:57:12,541 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/selectionsort-alloca_true-valid-memsafety_true-termination.i [2019-01-13 21:57:12,556 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0a3d939f/c8d294c60e3e4ef7a0d405fc96202214/FLAG5bee85362 [2019-01-13 21:57:12,861 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0a3d939f/c8d294c60e3e4ef7a0d405fc96202214 [2019-01-13 21:57:12,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 21:57:12,866 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 21:57:12,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 21:57:12,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 21:57:12,871 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 21:57:12,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 09:57:12" (1/1) ... [2019-01-13 21:57:12,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0317a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:12, skipping insertion in model container [2019-01-13 21:57:12,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 09:57:12" (1/1) ... [2019-01-13 21:57:12,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 21:57:12,933 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 21:57:13,328 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 21:57:13,352 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 21:57:13,394 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 21:57:13,456 INFO L195 MainTranslator]: Completed translation [2019-01-13 21:57:13,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:13 WrapperNode [2019-01-13 21:57:13,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 21:57:13,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 21:57:13,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 21:57:13,458 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 21:57:13,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:13" (1/1) ... [2019-01-13 21:57:13,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:13" (1/1) ... [2019-01-13 21:57:13,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:13" (1/1) ... [2019-01-13 21:57:13,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:13" (1/1) ... [2019-01-13 21:57:13,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:13" (1/1) ... [2019-01-13 21:57:13,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:13" (1/1) ... [2019-01-13 21:57:13,615 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:13" (1/1) ... [2019-01-13 21:57:13,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 21:57:13,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 21:57:13,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 21:57:13,622 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 21:57:13,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:13" (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 [2019-01-13 21:57:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 21:57:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 21:57:13,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 21:57:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 21:57:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure SelectionSort [2019-01-13 21:57:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 21:57:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 21:57:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 21:57:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 21:57:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 21:57:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 21:57:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 21:57:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 21:57:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 21:57:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 21:57:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 21:57:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 21:57:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 21:57:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 21:57:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 21:57:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 21:57:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 21:57:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 21:57:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 21:57:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 21:57:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 21:57:13,693 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 21:57:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 21:57:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 21:57:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 21:57:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 21:57:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 21:57:13,694 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 21:57:13,695 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 21:57:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 21:57:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 21:57:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 21:57:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 21:57:13,696 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 21:57:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 21:57:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 21:57:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 21:57:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 21:57:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 21:57:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 21:57:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 21:57:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 21:57:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 21:57:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 21:57:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 21:57:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 21:57:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 21:57:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 21:57:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 21:57:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 21:57:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 21:57:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 21:57:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 21:57:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 21:57:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 21:57:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 21:57:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 21:57:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 21:57:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 21:57:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 21:57:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 21:57:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 21:57:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 21:57:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 21:57:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 21:57:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 21:57:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 21:57:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 21:57:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 21:57:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 21:57:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 21:57:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 21:57:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 21:57:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 21:57:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 21:57:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 21:57:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 21:57:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 21:57:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 21:57:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 21:57:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 21:57:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 21:57:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 21:57:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 21:57:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 21:57:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 21:57:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 21:57:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 21:57:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 21:57:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 21:57:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 21:57:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 21:57:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 21:57:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 21:57:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 21:57:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 21:57:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 21:57:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 21:57:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 21:57:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 21:57:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 21:57:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 21:57:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 21:57:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 21:57:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure SelectionSort [2019-01-13 21:57:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 21:57:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 21:57:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 21:57:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-13 21:57:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 21:57:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 21:57:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 21:57:14,443 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 21:57:14,443 INFO L286 CfgBuilder]: Removed 2 assue(true) statements. [2019-01-13 21:57:14,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 09:57:14 BoogieIcfgContainer [2019-01-13 21:57:14,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 21:57:14,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 21:57:14,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 21:57:14,448 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 21:57:14,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 09:57:12" (1/3) ... [2019-01-13 21:57:14,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77687894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 09:57:14, skipping insertion in model container [2019-01-13 21:57:14,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:57:13" (2/3) ... [2019-01-13 21:57:14,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77687894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 09:57:14, skipping insertion in model container [2019-01-13 21:57:14,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 09:57:14" (3/3) ... [2019-01-13 21:57:14,451 INFO L112 eAbstractionObserver]: Analyzing ICFG selectionsort-alloca_true-valid-memsafety_true-termination.i [2019-01-13 21:57:14,459 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 21:57:14,467 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2019-01-13 21:57:14,484 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2019-01-13 21:57:14,510 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 21:57:14,511 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 21:57:14,511 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 21:57:14,511 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 21:57:14,511 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 21:57:14,511 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 21:57:14,512 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 21:57:14,512 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 21:57:14,512 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 21:57:14,528 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-01-13 21:57:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-13 21:57:14,538 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:14,539 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:14,541 INFO L423 AbstractCegarLoop]: === Iteration 1 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:14,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:14,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1316357113, now seen corresponding path program 1 times [2019-01-13 21:57:14,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:14,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:14,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:14,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:14,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:14,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:57:14,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-13 21:57:14,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-13 21:57:14,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-13 21:57:14,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-13 21:57:14,785 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 5 states. [2019-01-13 21:57:15,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:15,051 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2019-01-13 21:57:15,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-13 21:57:15,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-01-13 21:57:15,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:15,060 INFO L225 Difference]: With dead ends: 37 [2019-01-13 21:57:15,060 INFO L226 Difference]: Without dead ends: 34 [2019-01-13 21:57:15,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-13 21:57:15,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-01-13 21:57:15,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-01-13 21:57:15,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-01-13 21:57:15,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2019-01-13 21:57:15,101 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 13 [2019-01-13 21:57:15,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:15,101 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2019-01-13 21:57:15,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-13 21:57:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2019-01-13 21:57:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-13 21:57:15,102 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:15,103 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:15,103 INFO L423 AbstractCegarLoop]: === Iteration 2 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:15,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:15,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1316357114, now seen corresponding path program 1 times [2019-01-13 21:57:15,104 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:15,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:15,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:15,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:15,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:15,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:15,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:57:15,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 21:57:15,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 21:57:15,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 21:57:15,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-13 21:57:15,280 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 6 states. [2019-01-13 21:57:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:15,388 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2019-01-13 21:57:15,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 21:57:15,389 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-01-13 21:57:15,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:15,392 INFO L225 Difference]: With dead ends: 46 [2019-01-13 21:57:15,393 INFO L226 Difference]: Without dead ends: 46 [2019-01-13 21:57:15,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-01-13 21:57:15,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-13 21:57:15,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2019-01-13 21:57:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-01-13 21:57:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2019-01-13 21:57:15,401 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 13 [2019-01-13 21:57:15,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:15,402 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2019-01-13 21:57:15,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 21:57:15,402 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2019-01-13 21:57:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-01-13 21:57:15,403 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:15,403 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:15,403 INFO L423 AbstractCegarLoop]: === Iteration 3 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:15,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:15,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1203602820, now seen corresponding path program 1 times [2019-01-13 21:57:15,404 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:15,404 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:15,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:15,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:15,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:15,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:57:15,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 21:57:15,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 21:57:15,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 21:57:15,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-01-13 21:57:15,875 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 7 states. [2019-01-13 21:57:16,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:16,393 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2019-01-13 21:57:16,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 21:57:16,394 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-01-13 21:57:16,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:16,397 INFO L225 Difference]: With dead ends: 76 [2019-01-13 21:57:16,397 INFO L226 Difference]: Without dead ends: 76 [2019-01-13 21:57:16,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-01-13 21:57:16,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-01-13 21:57:16,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 51. [2019-01-13 21:57:16,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-01-13 21:57:16,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2019-01-13 21:57:16,407 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 13 [2019-01-13 21:57:16,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:16,408 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2019-01-13 21:57:16,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 21:57:16,408 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2019-01-13 21:57:16,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-13 21:57:16,409 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:16,409 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:16,409 INFO L423 AbstractCegarLoop]: === Iteration 4 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:16,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:16,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1343018220, now seen corresponding path program 1 times [2019-01-13 21:57:16,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:16,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:16,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:16,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:16,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:16,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:16,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:57:16,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-01-13 21:57:16,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 21:57:16,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 21:57:16,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-13 21:57:16,552 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand 7 states. [2019-01-13 21:57:16,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:16,885 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2019-01-13 21:57:16,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 21:57:16,886 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-01-13 21:57:16,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:16,889 INFO L225 Difference]: With dead ends: 81 [2019-01-13 21:57:16,889 INFO L226 Difference]: Without dead ends: 81 [2019-01-13 21:57:16,889 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-01-13 21:57:16,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-01-13 21:57:16,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 57. [2019-01-13 21:57:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-01-13 21:57:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions. [2019-01-13 21:57:16,897 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 14 [2019-01-13 21:57:16,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:16,898 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions. [2019-01-13 21:57:16,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 21:57:16,898 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2019-01-13 21:57:16,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-13 21:57:16,899 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:16,899 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:16,899 INFO L423 AbstractCegarLoop]: === Iteration 5 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:16,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:16,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1996901474, now seen corresponding path program 1 times [2019-01-13 21:57:16,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:16,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:16,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:16,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:16,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:16,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:57:16,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 21:57:16,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 21:57:16,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 21:57:16,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 21:57:16,989 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand 4 states. [2019-01-13 21:57:17,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:17,084 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2019-01-13 21:57:17,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 21:57:17,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-01-13 21:57:17,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:17,087 INFO L225 Difference]: With dead ends: 56 [2019-01-13 21:57:17,087 INFO L226 Difference]: Without dead ends: 46 [2019-01-13 21:57:17,088 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-13 21:57:17,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-01-13 21:57:17,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-01-13 21:57:17,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-01-13 21:57:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2019-01-13 21:57:17,094 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 15 [2019-01-13 21:57:17,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:17,094 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2019-01-13 21:57:17,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 21:57:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2019-01-13 21:57:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-13 21:57:17,095 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:17,095 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:17,096 INFO L423 AbstractCegarLoop]: === Iteration 6 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:17,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:17,096 INFO L82 PathProgramCache]: Analyzing trace with hash 578265059, now seen corresponding path program 1 times [2019-01-13 21:57:17,096 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:17,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:17,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:17,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:17,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:17,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:17,239 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 21:57:17,239 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 21:57:17,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:17,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 21:57:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:17,621 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 21:57:17,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2019-01-13 21:57:17,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-13 21:57:17,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-13 21:57:17,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-01-13 21:57:17,622 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand 12 states. [2019-01-13 21:57:18,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:18,232 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions. [2019-01-13 21:57:18,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 21:57:18,233 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2019-01-13 21:57:18,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:18,235 INFO L225 Difference]: With dead ends: 77 [2019-01-13 21:57:18,235 INFO L226 Difference]: Without dead ends: 77 [2019-01-13 21:57:18,236 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2019-01-13 21:57:18,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-01-13 21:57:18,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 51. [2019-01-13 21:57:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-01-13 21:57:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2019-01-13 21:57:18,243 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 18 [2019-01-13 21:57:18,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:18,244 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2019-01-13 21:57:18,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-13 21:57:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2019-01-13 21:57:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-13 21:57:18,245 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:18,246 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:18,247 INFO L423 AbstractCegarLoop]: === Iteration 7 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:18,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:18,247 INFO L82 PathProgramCache]: Analyzing trace with hash 746349047, now seen corresponding path program 1 times [2019-01-13 21:57:18,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:18,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:18,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:18,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:18,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:18,403 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 21:57:18,403 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 21:57:18,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:18,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 21:57:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:18,579 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 21:57:18,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 12 [2019-01-13 21:57:18,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-01-13 21:57:18,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-01-13 21:57:18,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2019-01-13 21:57:18,581 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand 13 states. [2019-01-13 21:57:19,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:19,266 INFO L93 Difference]: Finished difference Result 95 states and 107 transitions. [2019-01-13 21:57:19,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-01-13 21:57:19,267 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2019-01-13 21:57:19,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:19,269 INFO L225 Difference]: With dead ends: 95 [2019-01-13 21:57:19,269 INFO L226 Difference]: Without dead ends: 95 [2019-01-13 21:57:19,270 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2019-01-13 21:57:19,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-01-13 21:57:19,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 49. [2019-01-13 21:57:19,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-01-13 21:57:19,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2019-01-13 21:57:19,293 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 19 [2019-01-13 21:57:19,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:19,293 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2019-01-13 21:57:19,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-01-13 21:57:19,293 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2019-01-13 21:57:19,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-01-13 21:57:19,301 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:19,301 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:19,302 INFO L423 AbstractCegarLoop]: === Iteration 8 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:19,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:19,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1661940260, now seen corresponding path program 1 times [2019-01-13 21:57:19,303 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:19,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:19,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:19,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:19,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:19,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 21:57:19,438 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 21:57:19,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:19,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 21:57:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:19,572 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 21:57:19,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2019-01-13 21:57:19,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-13 21:57:19,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-13 21:57:19,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2019-01-13 21:57:19,573 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand 12 states. [2019-01-13 21:57:19,796 WARN L181 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2019-01-13 21:57:20,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:20,159 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2019-01-13 21:57:20,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 21:57:20,160 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 20 [2019-01-13 21:57:20,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:20,161 INFO L225 Difference]: With dead ends: 70 [2019-01-13 21:57:20,161 INFO L226 Difference]: Without dead ends: 70 [2019-01-13 21:57:20,162 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2019-01-13 21:57:20,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-01-13 21:57:20,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 41. [2019-01-13 21:57:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-01-13 21:57:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2019-01-13 21:57:20,167 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 20 [2019-01-13 21:57:20,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:20,167 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2019-01-13 21:57:20,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-13 21:57:20,167 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2019-01-13 21:57:20,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-01-13 21:57:20,168 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:20,168 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:20,168 INFO L423 AbstractCegarLoop]: === Iteration 9 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:20,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:20,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1850798969, now seen corresponding path program 1 times [2019-01-13 21:57:20,169 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:20,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:20,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:20,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:20,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:20,480 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 21:57:20,481 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 21:57:20,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:20,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 21:57:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:20,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-13 21:57:20,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-01-13 21:57:20,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-01-13 21:57:20,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-01-13 21:57:20,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-01-13 21:57:20,605 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 7 states. [2019-01-13 21:57:20,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:20,697 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2019-01-13 21:57:20,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 21:57:20,698 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2019-01-13 21:57:20,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:20,699 INFO L225 Difference]: With dead ends: 41 [2019-01-13 21:57:20,699 INFO L226 Difference]: Without dead ends: 41 [2019-01-13 21:57:20,701 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-01-13 21:57:20,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-01-13 21:57:20,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 32. [2019-01-13 21:57:20,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-01-13 21:57:20,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2019-01-13 21:57:20,705 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 22 [2019-01-13 21:57:20,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:20,706 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2019-01-13 21:57:20,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-01-13 21:57:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2019-01-13 21:57:20,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-01-13 21:57:20,708 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:20,709 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:20,709 INFO L423 AbstractCegarLoop]: === Iteration 10 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:20,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:20,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1624088942, now seen corresponding path program 1 times [2019-01-13 21:57:20,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:20,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:20,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:20,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:20,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:20,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 21:57:20,778 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 21:57:20,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:20,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 21:57:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:20,859 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 21:57:20,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-01-13 21:57:20,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-13 21:57:20,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-13 21:57:20,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-13 21:57:20,861 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 6 states. [2019-01-13 21:57:21,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:21,208 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2019-01-13 21:57:21,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-13 21:57:21,209 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-01-13 21:57:21,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:21,209 INFO L225 Difference]: With dead ends: 60 [2019-01-13 21:57:21,209 INFO L226 Difference]: Without dead ends: 52 [2019-01-13 21:57:21,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-01-13 21:57:21,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-13 21:57:21,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 42. [2019-01-13 21:57:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-13 21:57:21,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2019-01-13 21:57:21,214 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 27 [2019-01-13 21:57:21,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:21,214 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2019-01-13 21:57:21,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-13 21:57:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2019-01-13 21:57:21,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-01-13 21:57:21,215 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:21,215 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:21,216 INFO L423 AbstractCegarLoop]: === Iteration 11 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:21,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:21,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1950901401, now seen corresponding path program 2 times [2019-01-13 21:57:21,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:21,216 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:21,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:21,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:57:21,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:21,380 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:21,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 21:57:21,381 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 21:57:21,401 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-01-13 21:57:21,450 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-01-13 21:57:21,450 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 21:57:21,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 21:57:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:21,722 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 21:57:21,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 15 [2019-01-13 21:57:21,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-13 21:57:21,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-13 21:57:21,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2019-01-13 21:57:21,724 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 16 states. [2019-01-13 21:57:22,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:22,375 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2019-01-13 21:57:22,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-01-13 21:57:22,376 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 32 [2019-01-13 21:57:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:22,378 INFO L225 Difference]: With dead ends: 52 [2019-01-13 21:57:22,378 INFO L226 Difference]: Without dead ends: 52 [2019-01-13 21:57:22,380 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2019-01-13 21:57:22,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-01-13 21:57:22,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 42. [2019-01-13 21:57:22,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-01-13 21:57:22,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2019-01-13 21:57:22,384 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 32 [2019-01-13 21:57:22,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:22,385 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2019-01-13 21:57:22,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-13 21:57:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2019-01-13 21:57:22,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-01-13 21:57:22,387 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:57:22,388 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:57:22,388 INFO L423 AbstractCegarLoop]: === Iteration 12 === [SelectionSortErr2REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr4REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-13 21:57:22,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:57:22,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1547262470, now seen corresponding path program 3 times [2019-01-13 21:57:22,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:57:22,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:57:22,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:22,390 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-13 21:57:22,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:57:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:57:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:57:23,008 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-13 21:57:23,008 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-13 21:57:23,017 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-01-13 21:57:23,036 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-01-13 21:57:23,037 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-01-13 21:57:23,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-13 21:57:23,058 INFO L478 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 8 treesize of output 7 [2019-01-13 21:57:23,059 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-13 21:57:23,065 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-13 21:57:23,066 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-01-13 21:57:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-01-13 21:57:23,453 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-13 21:57:23,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2019-01-13 21:57:23,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-01-13 21:57:23,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-01-13 21:57:23,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2019-01-13 21:57:23,455 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 16 states. [2019-01-13 21:57:25,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:57:25,165 INFO L93 Difference]: Finished difference Result 89 states and 101 transitions. [2019-01-13 21:57:25,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-01-13 21:57:25,166 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2019-01-13 21:57:25,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:57:25,166 INFO L225 Difference]: With dead ends: 89 [2019-01-13 21:57:25,166 INFO L226 Difference]: Without dead ends: 0 [2019-01-13 21:57:25,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=270, Invalid=920, Unknown=0, NotChecked=0, Total=1190 [2019-01-13 21:57:25,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-13 21:57:25,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-13 21:57:25,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-13 21:57:25,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-13 21:57:25,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2019-01-13 21:57:25,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:57:25,170 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-13 21:57:25,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-01-13 21:57:25,171 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-13 21:57:25,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-13 21:57:25,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 09:57:25 BoogieIcfgContainer [2019-01-13 21:57:25,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 21:57:25,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 21:57:25,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 21:57:25,178 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 21:57:25,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 09:57:14" (3/4) ... [2019-01-13 21:57:25,183 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-13 21:57:25,189 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-13 21:57:25,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-01-13 21:57:25,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-01-13 21:57:25,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure SelectionSort [2019-01-13 21:57:25,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-13 21:57:25,197 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-01-13 21:57:25,202 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-01-13 21:57:25,202 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-01-13 21:57:25,264 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 21:57:25,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 21:57:25,265 INFO L168 Benchmark]: Toolchain (without parser) took 12400.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.4 MB). Free memory was 952.7 MB in the beginning and 1.3 GB in the end (delta: -322.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 21:57:25,266 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 21:57:25,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.81 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 931.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-13 21:57:25,270 INFO L168 Benchmark]: Boogie Preprocessor took 163.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -200.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-01-13 21:57:25,271 INFO L168 Benchmark]: RCFGBuilder took 822.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. [2019-01-13 21:57:25,271 INFO L168 Benchmark]: TraceAbstraction took 10732.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -189.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 21:57:25,272 INFO L168 Benchmark]: Witness Printer took 86.97 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 21:57:25,275 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 590.81 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 931.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 163.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -200.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 822.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 39.3 MB). Peak memory consumption was 39.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10732.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -189.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 86.97 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 557]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 49 locations, 13 error locations. SAFE Result, 10.6s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 250 SDtfs, 977 SDslu, 920 SDs, 0 SdLazy, 1455 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 185 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 418 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 399 ConstructedInterpolants, 48 QuantifiedInterpolants, 68695 SizeOfPredicates, 28 NumberOfNonLiveVariables, 748 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 35/102 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...