./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/insertionsort-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_be6b4875-8843-4f01-9b65-e8d944a3b9a1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/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 c911d3bfcad41488f605dca082dbd47805d189ae ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:36:23,852 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:36:23,853 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:36:23,860 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:36:23,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:36:23,861 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:36:23,862 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:36:23,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:36:23,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:36:23,864 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:36:23,865 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:36:23,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:36:23,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:36:23,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:36:23,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:36:23,868 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:36:23,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:36:23,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:36:23,870 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:36:23,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:36:23,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:36:23,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:36:23,874 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:36:23,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:36:23,875 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:36:23,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:36:23,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:36:23,877 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:36:23,877 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:36:23,878 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:36:23,878 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:36:23,879 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:36:23,879 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:36:23,879 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:36:23,879 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:36:23,880 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:36:23,880 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-28 13:36:23,890 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:36:23,890 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:36:23,891 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:36:23,891 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:36:23,891 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:36:23,891 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:36:23,891 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:36:23,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:36:23,892 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:36:23,892 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:36:23,892 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:36:23,892 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:36:23,892 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:36:23,892 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 13:36:23,892 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 13:36:23,893 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 13:36:23,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:36:23,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:36:23,893 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:36:23,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:36:23,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:36:23,893 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:36:23,893 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:36:23,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:36:23,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:36:23,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:36:23,894 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:36:23,894 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:36:23,894 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_be6b4875-8843-4f01-9b65-e8d944a3b9a1/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 -> c911d3bfcad41488f605dca082dbd47805d189ae [2018-11-28 13:36:23,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:36:23,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:36:23,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:36:23,928 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:36:23,928 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:36:23,929 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca_true-valid-memsafety_true-termination.i [2018-11-28 13:36:23,967 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/bin-2019/uautomizer/data/6a27c0e7c/d1e3fc770c2a4ba9a342ddfbe4295930/FLAG7536d7f9e [2018-11-28 13:36:24,315 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:36:24,316 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/sv-benchmarks/c/array-memsafety/insertionsort-alloca_true-valid-memsafety_true-termination.i [2018-11-28 13:36:24,325 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/bin-2019/uautomizer/data/6a27c0e7c/d1e3fc770c2a4ba9a342ddfbe4295930/FLAG7536d7f9e [2018-11-28 13:36:24,334 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/bin-2019/uautomizer/data/6a27c0e7c/d1e3fc770c2a4ba9a342ddfbe4295930 [2018-11-28 13:36:24,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:36:24,337 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 13:36:24,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:36:24,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:36:24,340 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:36:24,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:36:24" (1/1) ... [2018-11-28 13:36:24,342 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 01:36:24, skipping insertion in model container [2018-11-28 13:36:24,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:36:24" (1/1) ... [2018-11-28 13:36:24,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:36:24,370 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:36:24,546 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:36:24,554 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:36:24,632 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:36:24,662 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:36:24,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:24 WrapperNode [2018-11-28 13:36:24,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:36:24,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:36:24,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:36:24,663 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:36:24,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:24" (1/1) ... [2018-11-28 13:36:24,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:24" (1/1) ... [2018-11-28 13:36:24,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:24" (1/1) ... [2018-11-28 13:36:24,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:24" (1/1) ... [2018-11-28 13:36:24,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:24" (1/1) ... [2018-11-28 13:36:24,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:24" (1/1) ... [2018-11-28 13:36:24,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:24" (1/1) ... [2018-11-28 13:36:24,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:36:24,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:36:24,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:36:24,693 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:36:24,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/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 13:36:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:36:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:36:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-28 13:36:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-28 13:36:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2018-11-28 13:36:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:36:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-28 13:36:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-28 13:36:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-11-28 13:36:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-11-28 13:36:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-11-28 13:36:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-11-28 13:36:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-11-28 13:36:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-11-28 13:36:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-11-28 13:36:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-11-28 13:36:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-11-28 13:36:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-11-28 13:36:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-11-28 13:36:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-11-28 13:36:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-11-28 13:36:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-11-28 13:36:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-11-28 13:36:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-11-28 13:36:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-11-28 13:36:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-11-28 13:36:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-11-28 13:36:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-11-28 13:36:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-11-28 13:36:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-11-28 13:36:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-11-28 13:36:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-11-28 13:36:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-11-28 13:36:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-11-28 13:36:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-11-28 13:36:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-11-28 13:36:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-11-28 13:36:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-11-28 13:36:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-11-28 13:36:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-11-28 13:36:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-11-28 13:36:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-11-28 13:36:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-11-28 13:36:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-11-28 13:36:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-11-28 13:36:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-11-28 13:36:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-11-28 13:36:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-11-28 13:36:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-11-28 13:36:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-11-28 13:36:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-11-28 13:36:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-11-28 13:36:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-11-28 13:36:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-11-28 13:36:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-11-28 13:36:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-11-28 13:36:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-11-28 13:36:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-11-28 13:36:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-28 13:36:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-28 13:36:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-28 13:36:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-28 13:36:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-28 13:36:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-11-28 13:36:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-28 13:36:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-11-28 13:36:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-11-28 13:36:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-11-28 13:36:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-11-28 13:36:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-28 13:36:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-11-28 13:36:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-11-28 13:36:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-11-28 13:36:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-11-28 13:36:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-11-28 13:36:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-11-28 13:36:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-11-28 13:36:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-11-28 13:36:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-11-28 13:36:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-11-28 13:36:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-11-28 13:36:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-11-28 13:36:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-11-28 13:36:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-11-28 13:36:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-11-28 13:36:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-11-28 13:36:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-11-28 13:36:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-11-28 13:36:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-11-28 13:36:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-11-28 13:36:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-11-28 13:36:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-11-28 13:36:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-11-28 13:36:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-11-28 13:36:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-11-28 13:36:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-11-28 13:36:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-11-28 13:36:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-11-28 13:36:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-11-28 13:36:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-11-28 13:36:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-11-28 13:36:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-11-28 13:36:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-11-28 13:36:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-11-28 13:36:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-11-28 13:36:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-11-28 13:36:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-11-28 13:36:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-11-28 13:36:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-28 13:36:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2018-11-28 13:36:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 13:36:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 13:36:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:36:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:36:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 13:36:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:36:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:36:25,001 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:36:25,001 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:36:25,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:36:25 BoogieIcfgContainer [2018-11-28 13:36:25,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:36:25,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:36:25,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:36:25,005 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:36:25,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:36:24" (1/3) ... [2018-11-28 13:36:25,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ead6997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:36:25, skipping insertion in model container [2018-11-28 13:36:25,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:36:24" (2/3) ... [2018-11-28 13:36:25,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ead6997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:36:25, skipping insertion in model container [2018-11-28 13:36:25,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:36:25" (3/3) ... [2018-11-28 13:36:25,007 INFO L112 eAbstractionObserver]: Analyzing ICFG insertionsort-alloca_true-valid-memsafety_true-termination.i [2018-11-28 13:36:25,016 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:36:25,022 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-11-28 13:36:25,035 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2018-11-28 13:36:25,051 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:36:25,052 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:36:25,052 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-28 13:36:25,052 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:36:25,052 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:36:25,052 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:36:25,052 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:36:25,052 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:36:25,052 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:36:25,061 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-11-28 13:36:25,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 13:36:25,067 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:25,067 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:36:25,069 INFO L423 AbstractCegarLoop]: === Iteration 1 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 13:36:25,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:25,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1566483779, now seen corresponding path program 1 times [2018-11-28 13:36:25,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:25,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:25,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:25,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:25,197 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 13:36:25,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:25,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:36:25,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:36:25,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:36:25,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:36:25,210 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 5 states. [2018-11-28 13:36:25,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:25,283 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2018-11-28 13:36:25,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:36:25,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-11-28 13:36:25,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:25,292 INFO L225 Difference]: With dead ends: 37 [2018-11-28 13:36:25,292 INFO L226 Difference]: Without dead ends: 34 [2018-11-28 13:36:25,293 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 13:36:25,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-28 13:36:25,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-28 13:36:25,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-28 13:36:25,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-11-28 13:36:25,315 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 12 [2018-11-28 13:36:25,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:25,315 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-11-28 13:36:25,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:36:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-11-28 13:36:25,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 13:36:25,316 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:25,316 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:36:25,316 INFO L423 AbstractCegarLoop]: === Iteration 2 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 13:36:25,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:25,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1566483780, now seen corresponding path program 1 times [2018-11-28 13:36:25,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:25,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:25,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:25,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:25,383 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 13:36:25,384 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:25,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:36:25,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:36:25,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:36:25,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:36:25,385 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 5 states. [2018-11-28 13:36:25,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:25,427 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-11-28 13:36:25,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:36:25,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-11-28 13:36:25,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:25,428 INFO L225 Difference]: With dead ends: 43 [2018-11-28 13:36:25,428 INFO L226 Difference]: Without dead ends: 43 [2018-11-28 13:36:25,429 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 1 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 13:36:25,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-28 13:36:25,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2018-11-28 13:36:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 13:36:25,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-11-28 13:36:25,433 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 12 [2018-11-28 13:36:25,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:25,433 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-11-28 13:36:25,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:36:25,434 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-11-28 13:36:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 13:36:25,434 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:25,434 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:36:25,435 INFO L423 AbstractCegarLoop]: === Iteration 3 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 13:36:25,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:25,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1623742082, now seen corresponding path program 1 times [2018-11-28 13:36:25,435 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:25,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:25,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:25,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:25,491 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 13:36:25,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:25,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:36:25,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:36:25,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:36:25,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:36:25,492 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 6 states. [2018-11-28 13:36:25,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:25,617 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2018-11-28 13:36:25,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:36:25,618 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-11-28 13:36:25,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:25,621 INFO L225 Difference]: With dead ends: 60 [2018-11-28 13:36:25,621 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 13:36:25,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:36:25,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 13:36:25,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 42. [2018-11-28 13:36:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-28 13:36:25,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-11-28 13:36:25,626 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 12 [2018-11-28 13:36:25,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:25,626 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-11-28 13:36:25,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:36:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-11-28 13:36:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 13:36:25,627 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:25,627 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:36:25,627 INFO L423 AbstractCegarLoop]: === Iteration 4 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 13:36:25,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:25,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1996901474, now seen corresponding path program 1 times [2018-11-28 13:36:25,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:25,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:25,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:25,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:25,665 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 13:36:25,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:25,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:36:25,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:36:25,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:36:25,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:36:25,666 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 4 states. [2018-11-28 13:36:25,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:25,708 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-11-28 13:36:25,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:36:25,708 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-28 13:36:25,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:25,709 INFO L225 Difference]: With dead ends: 41 [2018-11-28 13:36:25,709 INFO L226 Difference]: Without dead ends: 31 [2018-11-28 13:36:25,710 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 13:36:25,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-28 13:36:25,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-28 13:36:25,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-28 13:36:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2018-11-28 13:36:25,713 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 15 [2018-11-28 13:36:25,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:25,713 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2018-11-28 13:36:25,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:36:25,713 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2018-11-28 13:36:25,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 13:36:25,713 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:25,714 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:36:25,714 INFO L423 AbstractCegarLoop]: === Iteration 5 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 13:36:25,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:25,714 INFO L82 PathProgramCache]: Analyzing trace with hash 2143702375, now seen corresponding path program 1 times [2018-11-28 13:36:25,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:25,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:25,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:25,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:25,778 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 13:36:25,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:25,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:36:25,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:36:25,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:36:25,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:36:25,779 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 7 states. [2018-11-28 13:36:25,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:25,856 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2018-11-28 13:36:25,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:36:25,856 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-11-28 13:36:25,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:25,857 INFO L225 Difference]: With dead ends: 64 [2018-11-28 13:36:25,857 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 13:36:25,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:36:25,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 13:36:25,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 38. [2018-11-28 13:36:25,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-28 13:36:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2018-11-28 13:36:25,861 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 16 [2018-11-28 13:36:25,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:25,861 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2018-11-28 13:36:25,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:36:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-11-28 13:36:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 13:36:25,861 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:25,862 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:36:25,862 INFO L423 AbstractCegarLoop]: === Iteration 6 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 13:36:25,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:25,862 INFO L82 PathProgramCache]: Analyzing trace with hash 2030270230, now seen corresponding path program 1 times [2018-11-28 13:36:25,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:25,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:25,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:25,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:25,902 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 13:36:25,902 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:25,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:36:25,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:36:25,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:36:25,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:36:25,903 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 5 states. [2018-11-28 13:36:25,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:25,956 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2018-11-28 13:36:25,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:36:25,957 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-11-28 13:36:25,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:25,957 INFO L225 Difference]: With dead ends: 64 [2018-11-28 13:36:25,957 INFO L226 Difference]: Without dead ends: 64 [2018-11-28 13:36:25,958 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 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 13:36:25,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-28 13:36:25,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 38. [2018-11-28 13:36:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-28 13:36:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-11-28 13:36:25,960 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 17 [2018-11-28 13:36:25,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:25,961 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-11-28 13:36:25,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:36:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-11-28 13:36:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 13:36:25,961 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:25,961 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:36:25,962 INFO L423 AbstractCegarLoop]: === Iteration 7 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 13:36:25,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:25,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1168708755, now seen corresponding path program 1 times [2018-11-28 13:36:25,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:25,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:25,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:25,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:26,014 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 13:36:26,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:36:26,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:36:26,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:36:26,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:36:26,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:36:26,015 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 7 states. [2018-11-28 13:36:26,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:26,099 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2018-11-28 13:36:26,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:36:26,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-28 13:36:26,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:26,100 INFO L225 Difference]: With dead ends: 62 [2018-11-28 13:36:26,100 INFO L226 Difference]: Without dead ends: 62 [2018-11-28 13:36:26,100 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:36:26,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-11-28 13:36:26,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 40. [2018-11-28 13:36:26,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-28 13:36:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-11-28 13:36:26,103 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 19 [2018-11-28 13:36:26,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:26,104 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-11-28 13:36:26,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:36:26,104 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-11-28 13:36:26,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-28 13:36:26,104 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:26,105 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 13:36:26,105 INFO L423 AbstractCegarLoop]: === Iteration 8 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 13:36:26,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:26,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1997621522, now seen corresponding path program 1 times [2018-11-28 13:36:26,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:26,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:26,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:26,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:26,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:26,197 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 13:36:26,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:36:26,197 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/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 13:36:26,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:26,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:36:26,255 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 13:36:26,257 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-28 13:36:26,260 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 13:36:26,261 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-11-28 13:36:26,367 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 13:36:26,390 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:36:26,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-11-28 13:36:26,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 13:36:26,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 13:36:26,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:36:26,391 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 12 states. [2018-11-28 13:36:26,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:26,517 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2018-11-28 13:36:26,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:36:26,518 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-11-28 13:36:26,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:26,518 INFO L225 Difference]: With dead ends: 54 [2018-11-28 13:36:26,518 INFO L226 Difference]: Without dead ends: 54 [2018-11-28 13:36:26,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2018-11-28 13:36:26,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-28 13:36:26,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 39. [2018-11-28 13:36:26,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-28 13:36:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-11-28 13:36:26,521 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 22 [2018-11-28 13:36:26,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:26,522 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-11-28 13:36:26,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 13:36:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-11-28 13:36:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 13:36:26,523 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:26,523 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] [2018-11-28 13:36:26,523 INFO L423 AbstractCegarLoop]: === Iteration 9 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 13:36:26,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:26,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1157842097, now seen corresponding path program 1 times [2018-11-28 13:36:26,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:26,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:26,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:26,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:26,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:26,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:36:26,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:36:26,560 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/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 13:36:26,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:26,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:36:26,603 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 13:36:26,618 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:36:26,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2018-11-28 13:36:26,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:36:26,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:36:26,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:36:26,618 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 8 states. [2018-11-28 13:36:26,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:26,673 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-11-28 13:36:26,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:36:26,674 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-11-28 13:36:26,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:26,675 INFO L225 Difference]: With dead ends: 55 [2018-11-28 13:36:26,675 INFO L226 Difference]: Without dead ends: 55 [2018-11-28 13:36:26,675 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:36:26,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-28 13:36:26,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 44. [2018-11-28 13:36:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-28 13:36:26,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2018-11-28 13:36:26,678 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 25 [2018-11-28 13:36:26,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:26,679 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2018-11-28 13:36:26,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:36:26,679 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-11-28 13:36:26,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 13:36:26,679 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:26,679 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:36:26,680 INFO L423 AbstractCegarLoop]: === Iteration 10 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 13:36:26,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:26,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1942784009, now seen corresponding path program 1 times [2018-11-28 13:36:26,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:26,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:26,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:26,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:26,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:26,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:36:26,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:36:26,779 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/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 13:36:26,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:26,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:36:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:36:26,889 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:36:26,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 15 [2018-11-28 13:36:26,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-28 13:36:26,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-28 13:36:26,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-11-28 13:36:26,890 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 16 states. [2018-11-28 13:36:27,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:27,170 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2018-11-28 13:36:27,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-28 13:36:27,170 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2018-11-28 13:36:27,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:27,171 INFO L225 Difference]: With dead ends: 71 [2018-11-28 13:36:27,171 INFO L226 Difference]: Without dead ends: 71 [2018-11-28 13:36:27,171 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2018-11-28 13:36:27,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-11-28 13:36:27,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 50. [2018-11-28 13:36:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-28 13:36:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-11-28 13:36:27,174 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 26 [2018-11-28 13:36:27,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:27,175 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-11-28 13:36:27,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-28 13:36:27,175 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-11-28 13:36:27,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-28 13:36:27,175 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:36:27,175 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, 1, 1, 1, 1] [2018-11-28 13:36:27,176 INFO L423 AbstractCegarLoop]: === Iteration 11 === [insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-11-28 13:36:27,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:36:27,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1533372684, now seen corresponding path program 1 times [2018-11-28 13:36:27,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:36:27,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:36:27,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:27,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:27,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:36:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:36:27,258 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:36:27,258 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/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 13:36:27,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:36:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:36:27,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:36:27,445 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 13:36:27,460 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:36:27,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2018-11-28 13:36:27,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 13:36:27,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 13:36:27,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:36:27,461 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 19 states. [2018-11-28 13:36:27,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:36:27,965 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-11-28 13:36:27,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 13:36:27,966 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 26 [2018-11-28 13:36:27,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:36:27,966 INFO L225 Difference]: With dead ends: 60 [2018-11-28 13:36:27,966 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:36:27,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=265, Invalid=857, Unknown=0, NotChecked=0, Total=1122 [2018-11-28 13:36:27,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:36:27,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:36:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:36:27,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:36:27,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-11-28 13:36:27,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:36:27,967 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:36:27,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 13:36:27,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:36:27,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:36:27,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:36:27 BoogieIcfgContainer [2018-11-28 13:36:27,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:36:27,970 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:36:27,970 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:36:27,970 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:36:27,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:36:25" (3/4) ... [2018-11-28 13:36:27,973 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:36:27,977 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:36:27,977 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure insertionSort [2018-11-28 13:36:27,977 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-11-28 13:36:27,977 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-11-28 13:36:27,977 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:36:27,980 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-28 13:36:27,980 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-28 13:36:27,980 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:36:28,010 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_be6b4875-8843-4f01-9b65-e8d944a3b9a1/bin-2019/uautomizer/witness.graphml [2018-11-28 13:36:28,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:36:28,011 INFO L168 Benchmark]: Toolchain (without parser) took 3673.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 949.6 MB in the beginning and 1.0 GB in the end (delta: -92.3 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:28,011 INFO L168 Benchmark]: CDTParser took 0.10 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 13:36:28,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:28,012 INFO L168 Benchmark]: Boogie Preprocessor took 29.44 ms. Allocated memory is still 1.1 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 13:36:28,012 INFO L168 Benchmark]: RCFGBuilder took 308.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:28,012 INFO L168 Benchmark]: TraceAbstraction took 2967.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.4 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:28,013 INFO L168 Benchmark]: Witness Printer took 39.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:36:28,014 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 325.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.44 ms. Allocated memory is still 1.1 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 308.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2967.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.4 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. * Witness Printer took 39.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 48 locations, 11 error locations. SAFE Result, 2.9s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 245 SDtfs, 1054 SDslu, 723 SDs, 0 SdLazy, 901 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=10, 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, 11 MinimizatonAttempts, 142 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 286 ConstructedInterpolants, 27 QuantifiedInterpolants, 43760 SizeOfPredicates, 16 NumberOfNonLiveVariables, 389 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 15 InterpolantComputations, 7 PerfectInterpolantSequences, 12/28 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...