./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/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_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/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 0.1.23-635dfa2 [2018-12-08 10:44:02,161 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 10:44:02,162 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 10:44:02,169 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 10:44:02,170 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 10:44:02,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 10:44:02,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 10:44:02,172 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 10:44:02,173 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 10:44:02,173 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 10:44:02,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 10:44:02,174 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 10:44:02,175 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 10:44:02,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 10:44:02,176 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 10:44:02,177 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 10:44:02,177 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 10:44:02,178 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 10:44:02,180 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 10:44:02,181 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 10:44:02,181 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 10:44:02,182 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 10:44:02,183 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 10:44:02,183 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 10:44:02,183 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 10:44:02,184 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 10:44:02,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 10:44:02,184 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 10:44:02,185 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 10:44:02,185 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 10:44:02,185 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 10:44:02,186 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 10:44:02,186 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 10:44:02,186 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 10:44:02,186 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 10:44:02,187 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 10:44:02,187 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-12-08 10:44:02,194 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 10:44:02,194 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 10:44:02,194 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 10:44:02,194 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 10:44:02,195 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 10:44:02,195 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 10:44:02,195 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 10:44:02,195 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 10:44:02,195 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 10:44:02,195 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 10:44:02,195 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 10:44:02,195 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 10:44:02,195 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 10:44:02,196 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 10:44:02,196 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 10:44:02,196 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 10:44:02,196 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 10:44:02,196 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 10:44:02,196 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 10:44:02,196 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 10:44:02,196 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 10:44:02,196 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 10:44:02,196 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 10:44:02,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 10:44:02,197 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 10:44:02,197 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 10:44:02,197 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 10:44:02,197 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 10:44:02,197 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_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/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 [2018-12-08 10:44:02,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 10:44:02,220 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 10:44:02,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 10:44:02,223 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 10:44:02,223 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 10:44:02,223 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca_true-valid-memsafety_true-termination.i [2018-12-08 10:44:02,261 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/bin-2019/uautomizer/data/2c0d6eb95/f6ba432ea6964227a0db178f08ec4d94/FLAG0673b63c7 [2018-12-08 10:44:02,587 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 10:44:02,588 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/sv-benchmarks/c/array-memsafety/insertionsort-alloca_true-valid-memsafety_true-termination.i [2018-12-08 10:44:02,594 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/bin-2019/uautomizer/data/2c0d6eb95/f6ba432ea6964227a0db178f08ec4d94/FLAG0673b63c7 [2018-12-08 10:44:02,602 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/bin-2019/uautomizer/data/2c0d6eb95/f6ba432ea6964227a0db178f08ec4d94 [2018-12-08 10:44:02,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 10:44:02,605 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-08 10:44:02,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 10:44:02,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 10:44:02,609 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 10:44:02,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:44:02" (1/1) ... [2018-12-08 10:44:02,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e0cf6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:44:02, skipping insertion in model container [2018-12-08 10:44:02,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:44:02" (1/1) ... [2018-12-08 10:44:02,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 10:44:02,640 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 10:44:02,792 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:44:02,798 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 10:44:02,854 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 10:44:02,874 INFO L195 MainTranslator]: Completed translation [2018-12-08 10:44:02,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:44:02 WrapperNode [2018-12-08 10:44:02,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 10:44:02,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 10:44:02,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 10:44:02,875 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 10:44:02,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:44:02" (1/1) ... [2018-12-08 10:44:02,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:44:02" (1/1) ... [2018-12-08 10:44:02,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:44:02" (1/1) ... [2018-12-08 10:44:02,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:44:02" (1/1) ... [2018-12-08 10:44:02,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:44:02" (1/1) ... [2018-12-08 10:44:02,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:44:02" (1/1) ... [2018-12-08 10:44:02,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:44:02" (1/1) ... [2018-12-08 10:44:02,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 10:44:02,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 10:44:02,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 10:44:02,904 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 10:44:02,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:44:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/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 [2018-12-08 10:44:02,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 10:44:02,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 10:44:02,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-12-08 10:44:02,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-12-08 10:44:02,934 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2018-12-08 10:44:02,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 10:44:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2018-12-08 10:44:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure select [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure random [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2018-12-08 10:44:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2018-12-08 10:44:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-12-08 10:44:02,938 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure system [2018-12-08 10:44:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure div [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-12-08 10:44:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 10:44:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 10:44:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 10:44:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 10:44:03,130 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 10:44:03,130 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 10:44:03,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:44:03 BoogieIcfgContainer [2018-12-08 10:44:03,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 10:44:03,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 10:44:03,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 10:44:03,133 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 10:44:03,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:44:02" (1/3) ... [2018-12-08 10:44:03,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f172a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:44:03, skipping insertion in model container [2018-12-08 10:44:03,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:44:02" (2/3) ... [2018-12-08 10:44:03,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f172a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:44:03, skipping insertion in model container [2018-12-08 10:44:03,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:44:03" (3/3) ... [2018-12-08 10:44:03,135 INFO L112 eAbstractionObserver]: Analyzing ICFG insertionsort-alloca_true-valid-memsafety_true-termination.i [2018-12-08 10:44:03,140 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 10:44:03,145 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2018-12-08 10:44:03,154 INFO L257 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2018-12-08 10:44:03,169 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 10:44:03,170 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 10:44:03,170 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-08 10:44:03,170 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 10:44:03,170 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 10:44:03,170 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 10:44:03,170 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 10:44:03,170 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 10:44:03,170 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 10:44:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-12-08 10:44:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 10:44:03,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:44:03,185 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:44:03,186 INFO L423 AbstractCegarLoop]: === Iteration 1 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-08 10:44:03,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:44:03,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1566483779, now seen corresponding path program 1 times [2018-12-08 10:44:03,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:44:03,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:44:03,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:03,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:03,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:44:03,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 10:44:03,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 10:44:03,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 10:44:03,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 10:44:03,305 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 5 states. [2018-12-08 10:44:03,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:44:03,356 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2018-12-08 10:44:03,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 10:44:03,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-12-08 10:44:03,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:44:03,362 INFO L225 Difference]: With dead ends: 37 [2018-12-08 10:44:03,362 INFO L226 Difference]: Without dead ends: 34 [2018-12-08 10:44:03,363 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 [2018-12-08 10:44:03,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-12-08 10:44:03,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-12-08 10:44:03,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-12-08 10:44:03,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2018-12-08 10:44:03,384 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 12 [2018-12-08 10:44:03,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:44:03,384 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2018-12-08 10:44:03,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 10:44:03,384 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-12-08 10:44:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 10:44:03,384 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:44:03,384 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:44:03,384 INFO L423 AbstractCegarLoop]: === Iteration 2 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-08 10:44:03,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:44:03,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1566483780, now seen corresponding path program 1 times [2018-12-08 10:44:03,385 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:44:03,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:44:03,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:03,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:03,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:44:03,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 10:44:03,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 10:44:03,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 10:44:03,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 10:44:03,422 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand 5 states. [2018-12-08 10:44:03,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:44:03,444 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-12-08 10:44:03,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 10:44:03,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-12-08 10:44:03,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:44:03,445 INFO L225 Difference]: With dead ends: 43 [2018-12-08 10:44:03,445 INFO L226 Difference]: Without dead ends: 43 [2018-12-08 10:44:03,446 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 [2018-12-08 10:44:03,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-08 10:44:03,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2018-12-08 10:44:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-08 10:44:03,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-12-08 10:44:03,450 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 12 [2018-12-08 10:44:03,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:44:03,450 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-12-08 10:44:03,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 10:44:03,450 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-12-08 10:44:03,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 10:44:03,450 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:44:03,450 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:44:03,450 INFO L423 AbstractCegarLoop]: === Iteration 3 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-08 10:44:03,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:44:03,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1623742082, now seen corresponding path program 1 times [2018-12-08 10:44:03,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:44:03,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:44:03,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:03,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:03,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:03,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:44:03,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 10:44:03,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 10:44:03,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 10:44:03,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 10:44:03,496 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 6 states. [2018-12-08 10:44:03,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:44:03,568 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2018-12-08 10:44:03,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 10:44:03,568 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-12-08 10:44:03,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:44:03,570 INFO L225 Difference]: With dead ends: 60 [2018-12-08 10:44:03,570 INFO L226 Difference]: Without dead ends: 60 [2018-12-08 10:44:03,570 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 [2018-12-08 10:44:03,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-12-08 10:44:03,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 42. [2018-12-08 10:44:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-08 10:44:03,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2018-12-08 10:44:03,573 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 12 [2018-12-08 10:44:03,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:44:03,573 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2018-12-08 10:44:03,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 10:44:03,573 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2018-12-08 10:44:03,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 10:44:03,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:44:03,574 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:44:03,574 INFO L423 AbstractCegarLoop]: === Iteration 4 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-08 10:44:03,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:44:03,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1996901474, now seen corresponding path program 1 times [2018-12-08 10:44:03,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:44:03,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:44:03,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:03,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:03,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:44:03,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 10:44:03,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 10:44:03,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 10:44:03,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 10:44:03,606 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 4 states. [2018-12-08 10:44:03,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:44:03,639 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-12-08 10:44:03,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 10:44:03,639 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-12-08 10:44:03,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:44:03,640 INFO L225 Difference]: With dead ends: 41 [2018-12-08 10:44:03,640 INFO L226 Difference]: Without dead ends: 31 [2018-12-08 10:44:03,640 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 [2018-12-08 10:44:03,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-08 10:44:03,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-08 10:44:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-08 10:44:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2018-12-08 10:44:03,642 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 15 [2018-12-08 10:44:03,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:44:03,642 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2018-12-08 10:44:03,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 10:44:03,642 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2018-12-08 10:44:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 10:44:03,643 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:44:03,643 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:44:03,643 INFO L423 AbstractCegarLoop]: === Iteration 5 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-08 10:44:03,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:44:03,643 INFO L82 PathProgramCache]: Analyzing trace with hash 2143702375, now seen corresponding path program 1 times [2018-12-08 10:44:03,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:44:03,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:44:03,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:03,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:03,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:03,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:44:03,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 10:44:03,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 10:44:03,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 10:44:03,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:44:03,689 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 7 states. [2018-12-08 10:44:03,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:44:03,762 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2018-12-08 10:44:03,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:44:03,762 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-12-08 10:44:03,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:44:03,763 INFO L225 Difference]: With dead ends: 64 [2018-12-08 10:44:03,763 INFO L226 Difference]: Without dead ends: 64 [2018-12-08 10:44:03,763 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 [2018-12-08 10:44:03,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-08 10:44:03,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 38. [2018-12-08 10:44:03,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-08 10:44:03,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2018-12-08 10:44:03,766 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 16 [2018-12-08 10:44:03,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:44:03,766 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2018-12-08 10:44:03,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 10:44:03,766 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2018-12-08 10:44:03,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 10:44:03,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:44:03,766 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:44:03,766 INFO L423 AbstractCegarLoop]: === Iteration 6 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-08 10:44:03,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:44:03,767 INFO L82 PathProgramCache]: Analyzing trace with hash 2030270230, now seen corresponding path program 1 times [2018-12-08 10:44:03,767 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:44:03,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:44:03,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:03,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:03,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:44:03,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 10:44:03,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 10:44:03,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 10:44:03,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 10:44:03,795 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 5 states. [2018-12-08 10:44:03,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:44:03,839 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2018-12-08 10:44:03,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:44:03,839 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-12-08 10:44:03,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:44:03,840 INFO L225 Difference]: With dead ends: 64 [2018-12-08 10:44:03,840 INFO L226 Difference]: Without dead ends: 64 [2018-12-08 10:44:03,840 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 [2018-12-08 10:44:03,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-12-08 10:44:03,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 38. [2018-12-08 10:44:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-08 10:44:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-12-08 10:44:03,844 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 17 [2018-12-08 10:44:03,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:44:03,844 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-12-08 10:44:03,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 10:44:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-12-08 10:44:03,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 10:44:03,845 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:44:03,845 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 10:44:03,845 INFO L423 AbstractCegarLoop]: === Iteration 7 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-08 10:44:03,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:44:03,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1168708755, now seen corresponding path program 1 times [2018-12-08 10:44:03,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:44:03,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:44:03,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:03,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:03,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 10:44:03,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 10:44:03,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 10:44:03,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 10:44:03,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 10:44:03,894 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 7 states. [2018-12-08 10:44:03,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:44:03,972 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2018-12-08 10:44:03,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:44:03,972 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-08 10:44:03,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:44:03,973 INFO L225 Difference]: With dead ends: 62 [2018-12-08 10:44:03,973 INFO L226 Difference]: Without dead ends: 62 [2018-12-08 10:44:03,973 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 [2018-12-08 10:44:03,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-08 10:44:03,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 40. [2018-12-08 10:44:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-12-08 10:44:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-12-08 10:44:03,975 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 19 [2018-12-08 10:44:03,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:44:03,976 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-12-08 10:44:03,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 10:44:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-12-08 10:44:03,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 10:44:03,976 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:44:03,976 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] [2018-12-08 10:44:03,976 INFO L423 AbstractCegarLoop]: === Iteration 8 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-08 10:44:03,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:44:03,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1997621522, now seen corresponding path program 1 times [2018-12-08 10:44:03,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:44:03,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:44:03,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:03,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:04,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:04,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:44:04,059 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/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 [2018-12-08 10:44:04,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:04,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:44:04,106 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 [2018-12-08 10:44:04,107 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-08 10:44:04,110 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-08 10:44:04,111 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-12-08 10:44:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:04,213 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 10:44:04,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2018-12-08 10:44:04,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 10:44:04,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 10:44:04,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-12-08 10:44:04,214 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 12 states. [2018-12-08 10:44:04,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:44:04,336 INFO L93 Difference]: Finished difference Result 54 states and 59 transitions. [2018-12-08 10:44:04,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 10:44:04,336 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-12-08 10:44:04,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:44:04,337 INFO L225 Difference]: With dead ends: 54 [2018-12-08 10:44:04,337 INFO L226 Difference]: Without dead ends: 54 [2018-12-08 10:44:04,337 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 [2018-12-08 10:44:04,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-08 10:44:04,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 39. [2018-12-08 10:44:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-08 10:44:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-12-08 10:44:04,339 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 22 [2018-12-08 10:44:04,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:44:04,339 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-12-08 10:44:04,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 10:44:04,339 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-12-08 10:44:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 10:44:04,339 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:44:04,339 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] [2018-12-08 10:44:04,339 INFO L423 AbstractCegarLoop]: === Iteration 9 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-08 10:44:04,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:44:04,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1157842097, now seen corresponding path program 1 times [2018-12-08 10:44:04,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:44:04,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:44:04,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:04,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:04,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:04,360 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:44:04,360 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/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 [2018-12-08 10:44:04,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:04,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:44:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:04,406 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 10:44:04,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2018-12-08 10:44:04,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 10:44:04,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 10:44:04,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 10:44:04,407 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 8 states. [2018-12-08 10:44:04,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:44:04,464 INFO L93 Difference]: Finished difference Result 55 states and 58 transitions. [2018-12-08 10:44:04,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 10:44:04,464 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-12-08 10:44:04,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:44:04,465 INFO L225 Difference]: With dead ends: 55 [2018-12-08 10:44:04,465 INFO L226 Difference]: Without dead ends: 55 [2018-12-08 10:44:04,466 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 [2018-12-08 10:44:04,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-08 10:44:04,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 44. [2018-12-08 10:44:04,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-08 10:44:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2018-12-08 10:44:04,468 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 25 [2018-12-08 10:44:04,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:44:04,468 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2018-12-08 10:44:04,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 10:44:04,468 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-12-08 10:44:04,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 10:44:04,469 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:44:04,469 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] [2018-12-08 10:44:04,469 INFO L423 AbstractCegarLoop]: === Iteration 10 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-08 10:44:04,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:44:04,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1942784009, now seen corresponding path program 1 times [2018-12-08 10:44:04,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:44:04,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:44:04,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:04,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:04,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:04,546 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:44:04,546 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/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 [2018-12-08 10:44:04,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:04,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:44:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:04,643 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 10:44:04,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 15 [2018-12-08 10:44:04,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 10:44:04,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 10:44:04,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-12-08 10:44:04,644 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 16 states. [2018-12-08 10:44:04,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:44:04,933 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2018-12-08 10:44:04,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 10:44:04,933 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2018-12-08 10:44:04,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:44:04,934 INFO L225 Difference]: With dead ends: 71 [2018-12-08 10:44:04,934 INFO L226 Difference]: Without dead ends: 71 [2018-12-08 10:44:04,935 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 [2018-12-08 10:44:04,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-08 10:44:04,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 50. [2018-12-08 10:44:04,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-08 10:44:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-12-08 10:44:04,938 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 26 [2018-12-08 10:44:04,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:44:04,938 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-12-08 10:44:04,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 10:44:04,938 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-12-08 10:44:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 10:44:04,939 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 10:44:04,939 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] [2018-12-08 10:44:04,939 INFO L423 AbstractCegarLoop]: === Iteration 11 === [insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr1REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2018-12-08 10:44:04,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 10:44:04,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1533372684, now seen corresponding path program 1 times [2018-12-08 10:44:04,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 10:44:04,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 10:44:04,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:04,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:04,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 10:44:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:05,034 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 10:44:05,034 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/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 [2018-12-08 10:44:05,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 10:44:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 10:44:05,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 10:44:05,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 10:44:05,269 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 10:44:05,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 18 [2018-12-08 10:44:05,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 10:44:05,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 10:44:05,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-12-08 10:44:05,270 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 19 states. [2018-12-08 10:44:05,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 10:44:05,756 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-12-08 10:44:05,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 10:44:05,757 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 26 [2018-12-08 10:44:05,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 10:44:05,757 INFO L225 Difference]: With dead ends: 60 [2018-12-08 10:44:05,757 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 10:44:05,757 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 [2018-12-08 10:44:05,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 10:44:05,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 10:44:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 10:44:05,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 10:44:05,758 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-12-08 10:44:05,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 10:44:05,758 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 10:44:05,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 10:44:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 10:44:05,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 10:44:05,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:44:05 BoogieIcfgContainer [2018-12-08 10:44:05,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 10:44:05,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 10:44:05,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 10:44:05,761 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 10:44:05,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:44:03" (3/4) ... [2018-12-08 10:44:05,763 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 10:44:05,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 10:44:05,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure insertionSort [2018-12-08 10:44:05,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2018-12-08 10:44:05,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2018-12-08 10:44:05,769 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 10:44:05,772 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-08 10:44:05,773 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 10:44:05,773 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 10:44:05,800 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d31dcccd-7ed5-4ce0-894e-d4d745e33eb4/bin-2019/uautomizer/witness.graphml [2018-12-08 10:44:05,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 10:44:05,801 INFO L168 Benchmark]: Toolchain (without parser) took 3196.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 949.5 MB in the beginning and 1.0 GB in the end (delta: -82.1 MB). Peak memory consumption was 73.6 MB. Max. memory is 11.5 GB. [2018-12-08 10:44:05,802 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. [2018-12-08 10:44:05,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-08 10:44:05,803 INFO L168 Benchmark]: Boogie Preprocessor took 28.47 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. [2018-12-08 10:44:05,803 INFO L168 Benchmark]: RCFGBuilder took 227.12 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: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-12-08 10:44:05,803 INFO L168 Benchmark]: TraceAbstraction took 2629.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.3 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. [2018-12-08 10:44:05,804 INFO L168 Benchmark]: Witness Printer took 39.62 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: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2018-12-08 10:44:05,806 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 269.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -149.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.47 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 227.12 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: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2629.77 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 17.3 MB). Peak memory consumption was 63.5 MB. Max. memory is 11.5 GB. * Witness Printer took 39.62 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: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 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: 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: 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, 2.5s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 245 SDtfs, 1054 SDslu, 723 SDs, 0 SdLazy, 901 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 1.3s 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, 0.0s SatisfiabilityAnalysisTime, 0.8s 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...