./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 91b1670e 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/bubblesort-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 c685955ff6c809f32f6abe44f773ce6a6ae39f94 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 22:43:14,503 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 22:43:14,505 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 22:43:14,520 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 22:43:14,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 22:43:14,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 22:43:14,526 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 22:43:14,530 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 22:43:14,531 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 22:43:14,532 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 22:43:14,533 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 22:43:14,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 22:43:14,535 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 22:43:14,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 22:43:14,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 22:43:14,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 22:43:14,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 22:43:14,542 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 22:43:14,544 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 22:43:14,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 22:43:14,547 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 22:43:14,548 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 22:43:14,551 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 22:43:14,551 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 22:43:14,552 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 22:43:14,553 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 22:43:14,554 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 22:43:14,555 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 22:43:14,556 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 22:43:14,557 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 22:43:14,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 22:43:14,559 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 22:43:14,559 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 22:43:14,559 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 22:43:14,561 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 22:43:14,562 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 22:43:14,562 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 22:43:14,577 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 22:43:14,578 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 22:43:14,578 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 22:43:14,579 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 22:43:14,579 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 22:43:14,579 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 22:43:14,580 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 22:43:14,580 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 22:43:14,580 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 22:43:14,580 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 22:43:14,580 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 22:43:14,582 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 22:43:14,582 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 22:43:14,582 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 22:43:14,582 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 22:43:14,582 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 22:43:14,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 22:43:14,583 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 22:43:14,583 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 22:43:14,583 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 22:43:14,583 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 22:43:14,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 22:43:14,585 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 22:43:14,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 22:43:14,585 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 22:43:14,586 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 22:43:14,586 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 22:43:14,586 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 22:43:14,586 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 -> c685955ff6c809f32f6abe44f773ce6a6ae39f94 [2018-11-28 22:43:14,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 22:43:14,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 22:43:14,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 22:43:14,644 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 22:43:14,645 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 22:43:14,646 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-11-28 22:43:14,715 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6878a3e/c0c6a006b2224a4b9379602da8ac2df8/FLAG194279819 [2018-11-28 22:43:15,294 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 22:43:15,295 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-11-28 22:43:15,309 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6878a3e/c0c6a006b2224a4b9379602da8ac2df8/FLAG194279819 [2018-11-28 22:43:15,562 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6878a3e/c0c6a006b2224a4b9379602da8ac2df8 [2018-11-28 22:43:15,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 22:43:15,568 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 22:43:15,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 22:43:15,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 22:43:15,579 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 22:43:15,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:43:15" (1/1) ... [2018-11-28 22:43:15,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2213c723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:15, skipping insertion in model container [2018-11-28 22:43:15,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:43:15" (1/1) ... [2018-11-28 22:43:15,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 22:43:15,645 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 22:43:16,000 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:43:16,013 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 22:43:16,063 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 22:43:16,127 INFO L195 MainTranslator]: Completed translation [2018-11-28 22:43:16,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:16 WrapperNode [2018-11-28 22:43:16,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 22:43:16,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 22:43:16,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 22:43:16,130 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 22:43:16,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:16" (1/1) ... [2018-11-28 22:43:16,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:16" (1/1) ... [2018-11-28 22:43:16,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:16" (1/1) ... [2018-11-28 22:43:16,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:16" (1/1) ... [2018-11-28 22:43:16,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:16" (1/1) ... [2018-11-28 22:43:16,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:16" (1/1) ... [2018-11-28 22:43:16,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:16" (1/1) ... [2018-11-28 22:43:16,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 22:43:16,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 22:43:16,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 22:43:16,286 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 22:43:16,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:16" (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 [2018-11-28 22:43:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 22:43:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 22:43:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 22:43:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 22:43:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure bubbleSort [2018-11-28 22:43:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 22:43:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 22:43:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 22:43:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 22:43:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 22:43:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 22:43:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 22:43:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 22:43:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 22:43:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 22:43:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 22:43:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 22:43:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 22:43:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 22:43:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 22:43:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 22:43:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 22:43:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 22:43:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 22:43:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 22:43:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 22:43:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 22:43:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 22:43:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 22:43:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 22:43:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 22:43:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 22:43:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 22:43:16,353 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 22:43:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 22:43:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 22:43:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 22:43:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 22:43:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 22:43:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 22:43:16,354 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 22:43:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 22:43:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 22:43:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 22:43:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 22:43:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 22:43:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 22:43:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 22:43:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 22:43:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 22:43:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 22:43:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 22:43:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 22:43:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 22:43:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 22:43:16,357 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 22:43:16,358 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 22:43:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 22:43:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 22:43:16,359 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 22:43:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 22:43:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 22:43:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 22:43:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 22:43:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 22:43:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 22:43:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 22:43:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 22:43:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 22:43:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 22:43:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 22:43:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 22:43:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 22:43:16,362 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 22:43:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 22:43:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 22:43:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 22:43:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 22:43:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 22:43:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 22:43:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 22:43:16,363 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 22:43:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 22:43:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 22:43:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 22:43:16,365 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 22:43:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 22:43:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 22:43:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 22:43:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 22:43:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 22:43:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 22:43:16,366 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 22:43:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 22:43:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 22:43:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 22:43:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 22:43:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 22:43:16,368 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 22:43:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 22:43:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 22:43:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 22:43:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 22:43:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 22:43:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 22:43:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 22:43:16,369 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 22:43:16,370 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 22:43:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 22:43:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure bubbleSort [2018-11-28 22:43:16,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 22:43:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 22:43:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 22:43:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 22:43:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 22:43:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 22:43:16,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 22:43:17,140 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 22:43:17,140 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 22:43:17,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:17 BoogieIcfgContainer [2018-11-28 22:43:17,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 22:43:17,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 22:43:17,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 22:43:17,146 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 22:43:17,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:43:15" (1/3) ... [2018-11-28 22:43:17,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d926ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:43:17, skipping insertion in model container [2018-11-28 22:43:17,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:16" (2/3) ... [2018-11-28 22:43:17,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d926ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:43:17, skipping insertion in model container [2018-11-28 22:43:17,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:17" (3/3) ... [2018-11-28 22:43:17,150 INFO L112 eAbstractionObserver]: Analyzing ICFG bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-11-28 22:43:17,161 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 22:43:17,171 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-11-28 22:43:17,189 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-11-28 22:43:17,218 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 22:43:17,219 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 22:43:17,219 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 22:43:17,219 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 22:43:17,220 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 22:43:17,220 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 22:43:17,220 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 22:43:17,220 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 22:43:17,221 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 22:43:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2018-11-28 22:43:17,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-28 22:43:17,249 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:17,250 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:17,252 INFO L423 AbstractCegarLoop]: === Iteration 1 === [bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 22:43:17,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:17,258 INFO L82 PathProgramCache]: Analyzing trace with hash -682101161, now seen corresponding path program 1 times [2018-11-28 22:43:17,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:17,261 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:17,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:17,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:17,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:17,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:43:17,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:17,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:43:17,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:43:17,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:43:17,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:43:17,574 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 5 states. [2018-11-28 22:43:17,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:17,871 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2018-11-28 22:43:17,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:43:17,873 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-28 22:43:17,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:17,882 INFO L225 Difference]: With dead ends: 37 [2018-11-28 22:43:17,882 INFO L226 Difference]: Without dead ends: 34 [2018-11-28 22:43:17,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 22:43:17,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-28 22:43:17,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-28 22:43:17,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-28 22:43:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-11-28 22:43:17,925 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 13 [2018-11-28 22:43:17,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:17,925 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-11-28 22:43:17,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:43:17,926 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-11-28 22:43:17,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-28 22:43:17,926 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:17,926 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:17,928 INFO L423 AbstractCegarLoop]: === Iteration 2 === [bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 22:43:17,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:17,928 INFO L82 PathProgramCache]: Analyzing trace with hash -682101160, now seen corresponding path program 1 times [2018-11-28 22:43:17,928 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:17,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:17,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:17,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:17,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:18,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:43:18,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:18,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 22:43:18,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 22:43:18,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 22:43:18,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 22:43:18,156 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 6 states. [2018-11-28 22:43:18,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:18,381 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-11-28 22:43:18,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 22:43:18,382 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-11-28 22:43:18,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:18,386 INFO L225 Difference]: With dead ends: 48 [2018-11-28 22:43:18,387 INFO L226 Difference]: Without dead ends: 48 [2018-11-28 22:43:18,387 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-28 22:43:18,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-11-28 22:43:18,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2018-11-28 22:43:18,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 22:43:18,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-11-28 22:43:18,396 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 13 [2018-11-28 22:43:18,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:18,396 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-11-28 22:43:18,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 22:43:18,396 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-11-28 22:43:18,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-28 22:43:18,397 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:18,397 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:18,398 INFO L423 AbstractCegarLoop]: === Iteration 3 === [bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 22:43:18,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:18,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1092906202, now seen corresponding path program 1 times [2018-11-28 22:43:18,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:18,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:18,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:18,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:18,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:43:18,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:18,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 22:43:18,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 22:43:18,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 22:43:18,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:43:18,829 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 7 states. [2018-11-28 22:43:19,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:19,145 INFO L93 Difference]: Finished difference Result 63 states and 71 transitions. [2018-11-28 22:43:19,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 22:43:19,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-28 22:43:19,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:19,148 INFO L225 Difference]: With dead ends: 63 [2018-11-28 22:43:19,148 INFO L226 Difference]: Without dead ends: 63 [2018-11-28 22:43:19,149 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-28 22:43:19,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-11-28 22:43:19,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2018-11-28 22:43:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-28 22:43:19,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2018-11-28 22:43:19,158 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 13 [2018-11-28 22:43:19,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:19,159 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2018-11-28 22:43:19,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 22:43:19,159 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2018-11-28 22:43:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-28 22:43:19,161 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:19,161 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:19,161 INFO L423 AbstractCegarLoop]: === Iteration 4 === [bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 22:43:19,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:19,162 INFO L82 PathProgramCache]: Analyzing trace with hash -479646128, now seen corresponding path program 1 times [2018-11-28 22:43:19,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:19,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:19,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:19,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:19,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:19,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:43:19,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:19,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 22:43:19,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 22:43:19,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 22:43:19,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 22:43:19,333 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand 7 states. [2018-11-28 22:43:19,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:19,552 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2018-11-28 22:43:19,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 22:43:19,552 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-11-28 22:43:19,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:19,553 INFO L225 Difference]: With dead ends: 45 [2018-11-28 22:43:19,554 INFO L226 Difference]: Without dead ends: 45 [2018-11-28 22:43:19,554 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-28 22:43:19,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-28 22:43:19,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2018-11-28 22:43:19,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-28 22:43:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2018-11-28 22:43:19,560 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 14 [2018-11-28 22:43:19,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:19,561 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2018-11-28 22:43:19,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 22:43:19,561 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2018-11-28 22:43:19,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 22:43:19,562 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:19,562 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:19,562 INFO L423 AbstractCegarLoop]: === Iteration 5 === [bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 22:43:19,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:19,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1630013146, now seen corresponding path program 1 times [2018-11-28 22:43:19,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:19,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:19,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:19,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:19,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:19,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:43:19,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:19,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 22:43:19,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:43:19,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:43:19,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:43:19,624 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 5 states. [2018-11-28 22:43:19,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:19,709 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2018-11-28 22:43:19,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 22:43:19,711 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-11-28 22:43:19,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:19,712 INFO L225 Difference]: With dead ends: 62 [2018-11-28 22:43:19,712 INFO L226 Difference]: Without dead ends: 58 [2018-11-28 22:43:19,713 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 22:43:19,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-28 22:43:19,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 41. [2018-11-28 22:43:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-28 22:43:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2018-11-28 22:43:19,724 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 15 [2018-11-28 22:43:19,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:19,724 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2018-11-28 22:43:19,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:43:19,724 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2018-11-28 22:43:19,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 22:43:19,725 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:19,725 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:19,727 INFO L423 AbstractCegarLoop]: === Iteration 6 === [bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 22:43:19,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:19,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1288316073, now seen corresponding path program 1 times [2018-11-28 22:43:19,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:19,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:19,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:19,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:19,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:19,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 22:43:19,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:19,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 22:43:19,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 22:43:19,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 22:43:19,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 22:43:19,838 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 4 states. [2018-11-28 22:43:19,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:19,925 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2018-11-28 22:43:19,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 22:43:19,926 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-28 22:43:19,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:19,927 INFO L225 Difference]: With dead ends: 40 [2018-11-28 22:43:19,927 INFO L226 Difference]: Without dead ends: 27 [2018-11-28 22:43:19,927 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 [2018-11-28 22:43:19,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-28 22:43:19,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2018-11-28 22:43:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-28 22:43:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2018-11-28 22:43:19,931 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 18 [2018-11-28 22:43:19,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:19,931 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2018-11-28 22:43:19,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 22:43:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2018-11-28 22:43:19,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 22:43:19,932 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 22:43:19,932 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 22:43:19,932 INFO L423 AbstractCegarLoop]: === Iteration 7 === [bubbleSortErr9REQUIRES_VIOLATION, bubbleSortErr4REQUIRES_VIOLATION, bubbleSortErr10REQUIRES_VIOLATION, bubbleSortErr8REQUIRES_VIOLATION, bubbleSortErr3REQUIRES_VIOLATION, bubbleSortErr1REQUIRES_VIOLATION, bubbleSortErr7REQUIRES_VIOLATION, bubbleSortErr2REQUIRES_VIOLATION, bubbleSortErr5REQUIRES_VIOLATION, bubbleSortErr0REQUIRES_VIOLATION, bubbleSortErr11REQUIRES_VIOLATION, bubbleSortErr6REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 22:43:19,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 22:43:19,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1819733389, now seen corresponding path program 1 times [2018-11-28 22:43:19,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 22:43:19,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 22:43:19,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:19,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 22:43:19,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 22:43:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 22:43:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 22:43:20,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 22:43:20,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 22:43:20,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 22:43:20,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 22:43:20,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 22:43:20,017 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand 5 states. [2018-11-28 22:43:20,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 22:43:20,110 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2018-11-28 22:43:20,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 22:43:20,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-11-28 22:43:20,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 22:43:20,112 INFO L225 Difference]: With dead ends: 36 [2018-11-28 22:43:20,113 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 22:43:20,113 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-11-28 22:43:20,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 22:43:20,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 22:43:20,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 22:43:20,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 22:43:20,114 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-11-28 22:43:20,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 22:43:20,115 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 22:43:20,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 22:43:20,115 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 22:43:20,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 22:43:20,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:43:20 BoogieIcfgContainer [2018-11-28 22:43:20,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 22:43:20,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 22:43:20,121 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 22:43:20,121 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 22:43:20,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:17" (3/4) ... [2018-11-28 22:43:20,126 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 22:43:20,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure bubbleSort [2018-11-28 22:43:20,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 22:43:20,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-11-28 22:43:20,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-11-28 22:43:20,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 22:43:20,139 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-28 22:43:20,139 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-28 22:43:20,139 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 22:43:20,201 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 22:43:20,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 22:43:20,203 INFO L168 Benchmark]: Toolchain (without parser) took 4635.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 947.3 MB in the beginning and 953.3 MB in the end (delta: -6.0 MB). Peak memory consumption was 140.3 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:20,205 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:43:20,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.81 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:20,207 INFO L168 Benchmark]: Boogie Preprocessor took 155.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -207.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:20,208 INFO L168 Benchmark]: RCFGBuilder took 855.21 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:20,208 INFO L168 Benchmark]: TraceAbstraction took 2978.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.3 MB in the end (delta: 134.4 MB). Peak memory consumption was 134.4 MB. Max. memory is 11.5 GB. [2018-11-28 22:43:20,210 INFO L168 Benchmark]: Witness Printer took 80.66 ms. Allocated memory is still 1.2 GB. Free memory is still 953.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 22:43:20,213 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 559.81 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 925.8 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 155.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -207.1 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 855.21 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2978.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 953.3 MB in the end (delta: 134.4 MB). Peak memory consumption was 134.4 MB. Max. memory is 11.5 GB. * Witness Printer took 80.66 ms. Allocated memory is still 1.2 GB. Free memory is still 953.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: 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, 2.9s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 168 SDtfs, 285 SDslu, 307 SDs, 0 SdLazy, 286 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=3, 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: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 43 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 5262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...