./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/selectionsort-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer --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 0.1.23-0cd3be1 [2018-11-28 12:38:07,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:38:07,425 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:38:07,433 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:38:07,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:38:07,434 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:38:07,434 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:38:07,435 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:38:07,436 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:38:07,437 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:38:07,438 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:38:07,438 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:38:07,438 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:38:07,439 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:38:07,440 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:38:07,440 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:38:07,441 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:38:07,442 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:38:07,443 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:38:07,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:38:07,445 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:38:07,446 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:38:07,447 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:38:07,448 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:38:07,448 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:38:07,448 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:38:07,449 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:38:07,450 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:38:07,450 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:38:07,451 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:38:07,451 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:38:07,452 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:38:07,452 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:38:07,452 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:38:07,452 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:38:07,453 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:38:07,453 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 12:38:07,463 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:38:07,463 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:38:07,464 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:38:07,464 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:38:07,464 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:38:07,464 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:38:07,464 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:38:07,465 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:38:07,465 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:38:07,465 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:38:07,465 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:38:07,465 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:38:07,465 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:38:07,465 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 12:38:07,465 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 12:38:07,465 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 12:38:07,466 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:38:07,466 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:38:07,466 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:38:07,466 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:38:07,466 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:38:07,466 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:38:07,466 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:38:07,466 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:38:07,467 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:38:07,467 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:38:07,467 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:38:07,467 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:38:07,467 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer 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 [2018-11-28 12:38:07,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:38:07,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:38:07,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:38:07,501 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:38:07,501 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:38:07,501 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/selectionsort-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:38:07,538 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/data/ae424f6ad/cada8f7c78a6487e92f14664fad46ca3/FLAG97d375072 [2018-11-28 12:38:07,975 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:38:07,975 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/sv-benchmarks/c/array-memsafety/selectionsort-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:38:07,985 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/data/ae424f6ad/cada8f7c78a6487e92f14664fad46ca3/FLAG97d375072 [2018-11-28 12:38:07,995 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/data/ae424f6ad/cada8f7c78a6487e92f14664fad46ca3 [2018-11-28 12:38:07,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:38:07,998 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 12:38:07,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:38:07,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:38:08,001 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:38:08,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:38:07" (1/1) ... [2018-11-28 12:38:08,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5f719e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:38:08, skipping insertion in model container [2018-11-28 12:38:08,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:38:07" (1/1) ... [2018-11-28 12:38:08,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:38:08,031 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:38:08,210 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:38:08,261 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:38:08,287 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:38:08,317 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:38:08,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:38:08 WrapperNode [2018-11-28 12:38:08,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:38:08,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:38:08,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:38:08,318 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:38:08,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:38:08" (1/1) ... [2018-11-28 12:38:08,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:38:08" (1/1) ... [2018-11-28 12:38:08,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:38:08" (1/1) ... [2018-11-28 12:38:08,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:38:08" (1/1) ... [2018-11-28 12:38:08,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:38:08" (1/1) ... [2018-11-28 12:38:08,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:38:08" (1/1) ... [2018-11-28 12:38:08,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:38:08" (1/1) ... [2018-11-28 12:38:08,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:38:08,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:38:08,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:38:08,350 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:38:08,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:38:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/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 12:38:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:38:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:38:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 12:38:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 12:38:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure SelectionSort [2018-11-28 12:38:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:38:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 12:38:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 12:38:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 12:38:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 12:38:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 12:38:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 12:38:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 12:38:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 12:38:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 12:38:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 12:38:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 12:38:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 12:38:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 12:38:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 12:38:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 12:38:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 12:38:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 12:38:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 12:38:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 12:38:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 12:38:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 12:38:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 12:38:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 12:38:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 12:38:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 12:38:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 12:38:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 12:38:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 12:38:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 12:38:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 12:38:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 12:38:08,386 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 12:38:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 12:38:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 12:38:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 12:38:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 12:38:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 12:38:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 12:38:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 12:38:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 12:38:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 12:38:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 12:38:08,387 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 12:38:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 12:38:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 12:38:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 12:38:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 12:38:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 12:38:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 12:38:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 12:38:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 12:38:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 12:38:08,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 12:38:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 12:38:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 12:38:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 12:38:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 12:38:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 12:38:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 12:38:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 12:38:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 12:38:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 12:38:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 12:38:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 12:38:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 12:38:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 12:38:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 12:38:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 12:38:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 12:38:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 12:38:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 12:38:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 12:38:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 12:38:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 12:38:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 12:38:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 12:38:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 12:38:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 12:38:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 12:38:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 12:38:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 12:38:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 12:38:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 12:38:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 12:38:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 12:38:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 12:38:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 12:38:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 12:38:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 12:38:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 12:38:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 12:38:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 12:38:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 12:38:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 12:38:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 12:38:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 12:38:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 12:38:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 12:38:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 12:38:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 12:38:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 12:38:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 12:38:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 12:38:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure SelectionSort [2018-11-28 12:38:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 12:38:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 12:38:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:38:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:38:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 12:38:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:38:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:38:08,671 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:38:08,671 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:38:08,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:38:08 BoogieIcfgContainer [2018-11-28 12:38:08,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:38:08,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:38:08,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:38:08,675 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:38:08,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:38:07" (1/3) ... [2018-11-28 12:38:08,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180b891b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:38:08, skipping insertion in model container [2018-11-28 12:38:08,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:38:08" (2/3) ... [2018-11-28 12:38:08,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180b891b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:38:08, skipping insertion in model container [2018-11-28 12:38:08,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:38:08" (3/3) ... [2018-11-28 12:38:08,677 INFO L112 eAbstractionObserver]: Analyzing ICFG selectionsort-alloca_true-valid-memsafety_true-termination.i [2018-11-28 12:38:08,683 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:38:08,689 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-11-28 12:38:08,698 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-11-28 12:38:08,713 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:38:08,713 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:38:08,713 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 12:38:08,713 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:38:08,714 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:38:08,714 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:38:08,714 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:38:08,714 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:38:08,714 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:38:08,725 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2018-11-28 12:38:08,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-28 12:38:08,731 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:08,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:38:08,732 INFO L423 AbstractCegarLoop]: === Iteration 1 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:08,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:08,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1316357113, now seen corresponding path program 1 times [2018-11-28 12:38:08,737 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:08,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:08,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:08,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:08,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:08,885 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 12:38:08,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:38:08,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:38:08,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:38:08,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:38:08,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:38:08,898 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 5 states. [2018-11-28 12:38:08,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:08,986 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2018-11-28 12:38:08,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:38:08,987 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-28 12:38:08,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:08,993 INFO L225 Difference]: With dead ends: 37 [2018-11-28 12:38:08,993 INFO L226 Difference]: Without dead ends: 34 [2018-11-28 12:38:08,994 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 [2018-11-28 12:38:09,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-28 12:38:09,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-28 12:38:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-28 12:38:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-11-28 12:38:09,017 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 13 [2018-11-28 12:38:09,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:09,017 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-11-28 12:38:09,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:38:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-11-28 12:38:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-28 12:38:09,018 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:09,018 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:38:09,018 INFO L423 AbstractCegarLoop]: === Iteration 2 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:09,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:09,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1316357114, now seen corresponding path program 1 times [2018-11-28 12:38:09,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:09,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:09,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:09,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:09,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:09,092 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 12:38:09,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:38:09,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:38:09,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:38:09,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:38:09,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:38:09,095 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 6 states. [2018-11-28 12:38:09,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:09,137 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2018-11-28 12:38:09,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:38:09,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-11-28 12:38:09,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:09,140 INFO L225 Difference]: With dead ends: 46 [2018-11-28 12:38:09,140 INFO L226 Difference]: Without dead ends: 46 [2018-11-28 12:38:09,140 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:38:09,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-28 12:38:09,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2018-11-28 12:38:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 12:38:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-11-28 12:38:09,145 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 13 [2018-11-28 12:38:09,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:09,146 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-11-28 12:38:09,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:38:09,146 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-11-28 12:38:09,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-28 12:38:09,146 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:09,146 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:38:09,146 INFO L423 AbstractCegarLoop]: === Iteration 3 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:09,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:09,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1203602820, now seen corresponding path program 1 times [2018-11-28 12:38:09,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:09,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:09,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:09,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:09,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:09,239 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 12:38:09,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:38:09,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:38:09,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:38:09,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:38:09,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:38:09,240 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 7 states. [2018-11-28 12:38:09,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:09,457 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2018-11-28 12:38:09,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:38:09,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-28 12:38:09,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:09,459 INFO L225 Difference]: With dead ends: 76 [2018-11-28 12:38:09,460 INFO L226 Difference]: Without dead ends: 76 [2018-11-28 12:38:09,460 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:38:09,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-28 12:38:09,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 51. [2018-11-28 12:38:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-28 12:38:09,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2018-11-28 12:38:09,466 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 13 [2018-11-28 12:38:09,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:09,466 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2018-11-28 12:38:09,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:38:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2018-11-28 12:38:09,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-28 12:38:09,467 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:09,467 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:38:09,467 INFO L423 AbstractCegarLoop]: === Iteration 4 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:09,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:09,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1343018220, now seen corresponding path program 1 times [2018-11-28 12:38:09,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:09,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:09,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:09,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:09,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:09,512 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 12:38:09,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:38:09,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:38:09,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:38:09,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:38:09,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:38:09,513 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand 7 states. [2018-11-28 12:38:09,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:09,621 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2018-11-28 12:38:09,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:38:09,622 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-11-28 12:38:09,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:09,623 INFO L225 Difference]: With dead ends: 81 [2018-11-28 12:38:09,623 INFO L226 Difference]: Without dead ends: 81 [2018-11-28 12:38:09,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:38:09,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-11-28 12:38:09,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 57. [2018-11-28 12:38:09,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-11-28 12:38:09,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions. [2018-11-28 12:38:09,627 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 14 [2018-11-28 12:38:09,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:09,627 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions. [2018-11-28 12:38:09,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:38:09,628 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2018-11-28 12:38:09,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 12:38:09,628 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:09,628 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:38:09,628 INFO L423 AbstractCegarLoop]: === Iteration 5 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:09,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:09,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1996901474, now seen corresponding path program 1 times [2018-11-28 12:38:09,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:09,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:09,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:09,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:09,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:09,659 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 12:38:09,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:38:09,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:38:09,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:38:09,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:38:09,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:38:09,660 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand 4 states. [2018-11-28 12:38:09,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:09,693 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2018-11-28 12:38:09,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:38:09,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-28 12:38:09,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:09,694 INFO L225 Difference]: With dead ends: 56 [2018-11-28 12:38:09,694 INFO L226 Difference]: Without dead ends: 46 [2018-11-28 12:38:09,694 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 12:38:09,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-28 12:38:09,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-11-28 12:38:09,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-28 12:38:09,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2018-11-28 12:38:09,697 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 15 [2018-11-28 12:38:09,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:09,697 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2018-11-28 12:38:09,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:38:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-11-28 12:38:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 12:38:09,698 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:09,698 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 12:38:09,698 INFO L423 AbstractCegarLoop]: === Iteration 6 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:09,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:09,699 INFO L82 PathProgramCache]: Analyzing trace with hash 578265059, now seen corresponding path program 1 times [2018-11-28 12:38:09,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:09,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:09,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:09,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:09,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:09,747 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:38:09,747 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/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 [2018-11-28 12:38:09,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:09,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:38:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:09,865 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:38:09,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2018-11-28 12:38:09,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:38:09,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:38:09,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:38:09,866 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand 12 states. [2018-11-28 12:38:10,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:10,038 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions. [2018-11-28 12:38:10,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 12:38:10,038 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2018-11-28 12:38:10,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:10,039 INFO L225 Difference]: With dead ends: 77 [2018-11-28 12:38:10,039 INFO L226 Difference]: Without dead ends: 77 [2018-11-28 12:38:10,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2018-11-28 12:38:10,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-11-28 12:38:10,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 51. [2018-11-28 12:38:10,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-28 12:38:10,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2018-11-28 12:38:10,052 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 60 transitions. Word has length 18 [2018-11-28 12:38:10,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:10,052 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 60 transitions. [2018-11-28 12:38:10,052 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:38:10,052 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2018-11-28 12:38:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 12:38:10,052 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:10,053 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:38:10,054 INFO L423 AbstractCegarLoop]: === Iteration 7 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:10,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:10,055 INFO L82 PathProgramCache]: Analyzing trace with hash 746349047, now seen corresponding path program 1 times [2018-11-28 12:38:10,055 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:10,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:10,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:10,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:10,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:10,107 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:38:10,107 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/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 [2018-11-28 12:38:10,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:10,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:38:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:10,240 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:38:10,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 12 [2018-11-28 12:38:10,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:38:10,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:38:10,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:38:10,241 INFO L87 Difference]: Start difference. First operand 51 states and 60 transitions. Second operand 13 states. [2018-11-28 12:38:10,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:10,444 INFO L93 Difference]: Finished difference Result 95 states and 107 transitions. [2018-11-28 12:38:10,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 12:38:10,445 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 19 [2018-11-28 12:38:10,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:10,445 INFO L225 Difference]: With dead ends: 95 [2018-11-28 12:38:10,445 INFO L226 Difference]: Without dead ends: 95 [2018-11-28 12:38:10,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:38:10,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-28 12:38:10,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 49. [2018-11-28 12:38:10,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-28 12:38:10,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2018-11-28 12:38:10,449 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 19 [2018-11-28 12:38:10,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:10,449 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2018-11-28 12:38:10,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:38:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2018-11-28 12:38:10,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 12:38:10,450 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:10,450 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] [2018-11-28 12:38:10,451 INFO L423 AbstractCegarLoop]: === Iteration 8 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:10,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:10,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1661940260, now seen corresponding path program 1 times [2018-11-28 12:38:10,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:10,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:10,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:10,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:10,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:10,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:10,499 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:38:10,499 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/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 [2018-11-28 12:38:10,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:10,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:38:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:10,608 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:38:10,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 11 [2018-11-28 12:38:10,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:38:10,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:38:10,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:38:10,609 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand 12 states. [2018-11-28 12:38:10,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:10,764 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions. [2018-11-28 12:38:10,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 12:38:10,765 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 20 [2018-11-28 12:38:10,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:10,765 INFO L225 Difference]: With dead ends: 70 [2018-11-28 12:38:10,765 INFO L226 Difference]: Without dead ends: 70 [2018-11-28 12:38:10,766 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:38:10,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-28 12:38:10,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 41. [2018-11-28 12:38:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-28 12:38:10,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2018-11-28 12:38:10,769 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 20 [2018-11-28 12:38:10,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:10,770 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2018-11-28 12:38:10,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:38:10,770 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2018-11-28 12:38:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 12:38:10,770 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:10,770 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] [2018-11-28 12:38:10,771 INFO L423 AbstractCegarLoop]: === Iteration 9 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:10,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:10,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1850798969, now seen corresponding path program 1 times [2018-11-28 12:38:10,771 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:10,771 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:10,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:10,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:10,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:10,798 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:38:10,798 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/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 [2018-11-28 12:38:10,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:10,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:38:10,820 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 12:38:10,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:38:10,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-28 12:38:10,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:38:10,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:38:10,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:38:10,836 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 7 states. [2018-11-28 12:38:10,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:10,864 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2018-11-28 12:38:10,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:38:10,865 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-28 12:38:10,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:10,865 INFO L225 Difference]: With dead ends: 41 [2018-11-28 12:38:10,865 INFO L226 Difference]: Without dead ends: 41 [2018-11-28 12:38:10,866 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:38:10,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-28 12:38:10,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 32. [2018-11-28 12:38:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-28 12:38:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2018-11-28 12:38:10,868 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 22 [2018-11-28 12:38:10,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:10,868 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2018-11-28 12:38:10,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:38:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-11-28 12:38:10,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-28 12:38:10,870 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:10,870 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] [2018-11-28 12:38:10,870 INFO L423 AbstractCegarLoop]: === Iteration 10 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:10,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:10,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1624088942, now seen corresponding path program 1 times [2018-11-28 12:38:10,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:10,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:10,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:10,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:10,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:10,917 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:10,917 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:38:10,917 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/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 [2018-11-28 12:38:10,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:10,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:38:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:10,956 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:38:10,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2018-11-28 12:38:10,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:38:10,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:38:10,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:38:10,957 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 6 states. [2018-11-28 12:38:10,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:10,987 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2018-11-28 12:38:10,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:38:10,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-11-28 12:38:10,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:10,988 INFO L225 Difference]: With dead ends: 60 [2018-11-28 12:38:10,988 INFO L226 Difference]: Without dead ends: 52 [2018-11-28 12:38:10,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:38:10,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-28 12:38:10,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 42. [2018-11-28 12:38:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 12:38:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2018-11-28 12:38:10,991 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 27 [2018-11-28 12:38:10,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:10,991 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2018-11-28 12:38:10,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:38:10,991 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2018-11-28 12:38:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-28 12:38:10,991 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:10,992 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] [2018-11-28 12:38:10,992 INFO L423 AbstractCegarLoop]: === Iteration 11 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:10,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:10,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1950901401, now seen corresponding path program 2 times [2018-11-28 12:38:10,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:10,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:10,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:10,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:38:10,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:11,067 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:38:11,068 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/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 [2018-11-28 12:38:11,074 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 12:38:11,098 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 12:38:11,099 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:38:11,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:38:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:11,221 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:38:11,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 15 [2018-11-28 12:38:11,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 12:38:11,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 12:38:11,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:38:11,222 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 16 states. [2018-11-28 12:38:11,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:11,482 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2018-11-28 12:38:11,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:38:11,483 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 32 [2018-11-28 12:38:11,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:11,483 INFO L225 Difference]: With dead ends: 52 [2018-11-28 12:38:11,483 INFO L226 Difference]: Without dead ends: 52 [2018-11-28 12:38:11,484 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2018-11-28 12:38:11,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-28 12:38:11,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 42. [2018-11-28 12:38:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 12:38:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2018-11-28 12:38:11,486 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 32 [2018-11-28 12:38:11,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:11,486 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2018-11-28 12:38:11,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 12:38:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2018-11-28 12:38:11,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-28 12:38:11,487 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:38:11,487 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] [2018-11-28 12:38:11,487 INFO L423 AbstractCegarLoop]: === Iteration 12 === [SelectionSortErr4REQUIRES_VIOLATION, SelectionSortErr9REQUIRES_VIOLATION, SelectionSortErr0REQUIRES_VIOLATION, SelectionSortErr11REQUIRES_VIOLATION, SelectionSortErr5REQUIRES_VIOLATION, SelectionSortErr10REQUIRES_VIOLATION, SelectionSortErr7REQUIRES_VIOLATION, SelectionSortErr1REQUIRES_VIOLATION, SelectionSortErr6REQUIRES_VIOLATION, SelectionSortErr3REQUIRES_VIOLATION, SelectionSortErr8REQUIRES_VIOLATION, SelectionSortErr2REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 12:38:11,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:38:11,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1547262470, now seen corresponding path program 3 times [2018-11-28 12:38:11,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:38:11,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:38:11,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:11,489 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:38:11,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:38:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:38:11,534 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:38:11,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:38:11,534 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/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 [2018-11-28 12:38:11,544 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-28 12:38:11,556 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-28 12:38:11,557 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:38:11,558 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:38:11,569 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 [2018-11-28 12:38:11,570 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 12:38:11,577 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 12:38:11,577 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-11-28 12:38:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 12:38:11,724 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:38:11,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2018-11-28 12:38:11,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 12:38:11,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 12:38:11,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2018-11-28 12:38:11,725 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand 16 states. [2018-11-28 12:38:12,089 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-28 12:38:12,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:38:12,485 INFO L93 Difference]: Finished difference Result 89 states and 101 transitions. [2018-11-28 12:38:12,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-28 12:38:12,485 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2018-11-28 12:38:12,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:38:12,486 INFO L225 Difference]: With dead ends: 89 [2018-11-28 12:38:12,486 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:38:12,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=270, Invalid=920, Unknown=0, NotChecked=0, Total=1190 [2018-11-28 12:38:12,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:38:12,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:38:12,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:38:12,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:38:12,487 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-11-28 12:38:12,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:38:12,487 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:38:12,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 12:38:12,487 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:38:12,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:38:12,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:38:12 BoogieIcfgContainer [2018-11-28 12:38:12,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:38:12,491 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:38:12,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:38:12,492 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:38:12,492 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:38:08" (3/4) ... [2018-11-28 12:38:12,494 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:38:12,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:38:12,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-11-28 12:38:12,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-11-28 12:38:12,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure SelectionSort [2018-11-28 12:38:12,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:38:12,503 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-28 12:38:12,503 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-28 12:38:12,503 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:38:12,537 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1c034f87-f5f6-420f-bb41-a6b436922885/bin-2019/uautomizer/witness.graphml [2018-11-28 12:38:12,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:38:12,538 INFO L168 Benchmark]: Toolchain (without parser) took 4540.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 951.7 MB in the beginning and 936.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 182.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:38:12,538 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:38:12,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:38:12,539 INFO L168 Benchmark]: Boogie Preprocessor took 31.20 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:38:12,539 INFO L168 Benchmark]: RCFGBuilder took 322.17 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: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:38:12,540 INFO L168 Benchmark]: TraceAbstraction took 3818.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 936.1 MB in the end (delta: 132.0 MB). Peak memory consumption was 175.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:38:12,540 INFO L168 Benchmark]: Witness Printer took 45.66 ms. Allocated memory is still 1.2 GB. Free memory is still 936.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:38:12,542 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.20 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322.17 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: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3818.83 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.5 MB). Free memory was 1.1 GB in the beginning and 936.1 MB in the end (delta: 132.0 MB). Peak memory consumption was 175.5 MB. Max. memory is 11.5 GB. * Witness Printer took 45.66 ms. Allocated memory is still 1.2 GB. Free memory is still 936.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 552]: 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: 554]: 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: 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: 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: 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, 3.7s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 250 SDtfs, 977 SDslu, 920 SDs, 0 SdLazy, 1455 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 305 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 1.7s 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: 0.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 185 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 418 NumberOfCodeBlocks, 408 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 399 ConstructedInterpolants, 48 QuantifiedInterpolants, 68695 SizeOfPredicates, 28 NumberOfNonLiveVariables, 741 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...