./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/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 c42e17875debafbb946353bbf5dda6a0b0ba9b37 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:36:52,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:36:52,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:36:52,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:36:52,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:36:52,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:36:52,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:36:52,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:36:52,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:36:52,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:36:52,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:36:52,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:36:52,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:36:52,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:36:52,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:36:52,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:36:52,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:36:52,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:36:52,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:36:52,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:36:52,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:36:52,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:36:52,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:36:52,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:36:52,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:36:52,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:36:52,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:36:52,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:36:52,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:36:52,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:36:52,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:36:52,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:36:52,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:36:52,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:36:52,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:36:52,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:36:52,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:36:52,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:36:52,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:36:52,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:36:52,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:36:52,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-16 00:36:52,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:36:52,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:36:52,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:36:52,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:36:52,494 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:36:52,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:36:52,495 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:36:52,495 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:36:52,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:36:52,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:36:52,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:36:52,496 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 00:36:52,496 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 00:36:52,497 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 00:36:52,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:36:52,497 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:36:52,498 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:36:52,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:36:52,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:36:52,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:36:52,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:36:52,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:36:52,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:36:52,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:36:52,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:36:52,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:36:52,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/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 -> c42e17875debafbb946353bbf5dda6a0b0ba9b37 [2019-11-16 00:36:52,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:36:52,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:36:52,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:36:52,545 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:36:52,546 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:36:52,546 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2019-11-16 00:36:52,605 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/data/85565d17e/5b0c86e3a8344de0aa7ebf6f6100a817/FLAGafbd78cb2 [2019-11-16 00:36:53,033 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:36:53,034 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2019-11-16 00:36:53,046 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/data/85565d17e/5b0c86e3a8344de0aa7ebf6f6100a817/FLAGafbd78cb2 [2019-11-16 00:36:53,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/data/85565d17e/5b0c86e3a8344de0aa7ebf6f6100a817 [2019-11-16 00:36:53,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:36:53,358 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-16 00:36:53,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:36:53,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:36:53,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:36:53,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:53" (1/1) ... [2019-11-16 00:36:53,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de1ca19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:53, skipping insertion in model container [2019-11-16 00:36:53,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:36:53" (1/1) ... [2019-11-16 00:36:53,375 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:36:53,423 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:36:53,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:36:53,817 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:36:53,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:36:53,953 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:36:53,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:53 WrapperNode [2019-11-16 00:36:53,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:36:53,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:36:53,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:36:53,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:36:53,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:53" (1/1) ... [2019-11-16 00:36:53,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:53" (1/1) ... [2019-11-16 00:36:53,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:53" (1/1) ... [2019-11-16 00:36:53,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:53" (1/1) ... [2019-11-16 00:36:54,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:53" (1/1) ... [2019-11-16 00:36:54,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:53" (1/1) ... [2019-11-16 00:36:54,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:53" (1/1) ... [2019-11-16 00:36:54,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:36:54,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:36:54,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:36:54,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:36:54,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/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 [2019-11-16 00:36:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-16 00:36:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:36:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-16 00:36:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-16 00:36:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-16 00:36:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-16 00:36:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-16 00:36:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2019-11-16 00:36:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-16 00:36:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-16 00:36:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-16 00:36:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-16 00:36:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-16 00:36:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-16 00:36:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-16 00:36:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-16 00:36:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-16 00:36:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-16 00:36:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-16 00:36:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-16 00:36:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-16 00:36:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-16 00:36:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-16 00:36:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-16 00:36:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-16 00:36:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-16 00:36:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-16 00:36:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-16 00:36:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-16 00:36:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-16 00:36:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-16 00:36:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-16 00:36:54,158 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-16 00:36:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-16 00:36:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-16 00:36:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-16 00:36:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-16 00:36:54,159 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-16 00:36:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-16 00:36:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-16 00:36:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-16 00:36:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-16 00:36:54,160 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-16 00:36:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-16 00:36:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-16 00:36:54,161 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-16 00:36:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-16 00:36:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-16 00:36:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-16 00:36:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-16 00:36:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-16 00:36:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-16 00:36:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-16 00:36:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-16 00:36:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-16 00:36:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-16 00:36:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-16 00:36:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-16 00:36:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-16 00:36:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-16 00:36:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-16 00:36:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-16 00:36:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-16 00:36:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-16 00:36:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-16 00:36:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-16 00:36:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-16 00:36:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-16 00:36:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-16 00:36:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-16 00:36:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-16 00:36:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-16 00:36:54,171 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-16 00:36:54,171 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-16 00:36:54,172 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-16 00:36:54,172 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-16 00:36:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-16 00:36:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-16 00:36:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-16 00:36:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-16 00:36:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-16 00:36:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-16 00:36:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-16 00:36:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-16 00:36:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-16 00:36:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-16 00:36:54,176 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-16 00:36:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-16 00:36:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-16 00:36:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-16 00:36:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-16 00:36:54,177 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-16 00:36:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-16 00:36:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-16 00:36:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-16 00:36:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-16 00:36:54,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-16 00:36:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-16 00:36:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-16 00:36:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-16 00:36:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-16 00:36:54,179 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-16 00:36:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-16 00:36:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-16 00:36:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-16 00:36:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-16 00:36:54,180 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-16 00:36:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-16 00:36:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-16 00:36:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-16 00:36:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-16 00:36:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-16 00:36:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-16 00:36:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-16 00:36:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-16 00:36:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-16 00:36:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-16 00:36:54,182 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2019-11-16 00:36:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:36:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:36:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-16 00:36:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-16 00:36:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:36:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-16 00:36:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:36:54,842 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:36:54,843 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-16 00:36:54,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:54 BoogieIcfgContainer [2019-11-16 00:36:54,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:36:54,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:36:54,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:36:54,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:36:54,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:36:53" (1/3) ... [2019-11-16 00:36:54,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d0fe03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:36:54, skipping insertion in model container [2019-11-16 00:36:54,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:36:53" (2/3) ... [2019-11-16 00:36:54,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d0fe03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:36:54, skipping insertion in model container [2019-11-16 00:36:54,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:54" (3/3) ... [2019-11-16 00:36:54,852 INFO L109 eAbstractionObserver]: Analyzing ICFG insertionsort-alloca-1.i [2019-11-16 00:36:54,860 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:36:54,867 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2019-11-16 00:36:54,876 INFO L249 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2019-11-16 00:36:54,897 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:36:54,897 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-16 00:36:54,897 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:36:54,897 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:36:54,898 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:36:54,898 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:36:54,898 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:36:54,898 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:36:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2019-11-16 00:36:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-16 00:36:54,925 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:36:54,926 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:36:54,928 INFO L410 AbstractCegarLoop]: === Iteration 1 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:36:54,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:36:54,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1261643446, now seen corresponding path program 1 times [2019-11-16 00:36:54,943 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:36:54,943 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177649961] [2019-11-16 00:36:54,944 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:54,944 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:54,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:36:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:36:55,139 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177649961] [2019-11-16 00:36:55,140 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:36:55,140 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:36:55,140 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245894947] [2019-11-16 00:36:55,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:36:55,145 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:36:55,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:36:55,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:36:55,158 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2019-11-16 00:36:55,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:36:55,456 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2019-11-16 00:36:55,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:36:55,458 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-16 00:36:55,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:36:55,468 INFO L225 Difference]: With dead ends: 47 [2019-11-16 00:36:55,468 INFO L226 Difference]: Without dead ends: 44 [2019-11-16 00:36:55,470 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:36:55,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-16 00:36:55,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-11-16 00:36:55,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-16 00:36:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2019-11-16 00:36:55,509 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 10 [2019-11-16 00:36:55,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:36:55,510 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2019-11-16 00:36:55,510 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:36:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2019-11-16 00:36:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-16 00:36:55,510 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:36:55,511 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:36:55,511 INFO L410 AbstractCegarLoop]: === Iteration 2 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:36:55,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:36:55,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1261643445, now seen corresponding path program 1 times [2019-11-16 00:36:55,511 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:36:55,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036781147] [2019-11-16 00:36:55,512 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:55,512 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:55,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:36:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:36:55,626 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036781147] [2019-11-16 00:36:55,626 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:36:55,626 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:36:55,626 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538027476] [2019-11-16 00:36:55,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:36:55,628 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:36:55,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:36:55,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:36:55,629 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 6 states. [2019-11-16 00:36:55,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:36:55,857 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2019-11-16 00:36:55,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:36:55,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-11-16 00:36:55,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:36:55,859 INFO L225 Difference]: With dead ends: 48 [2019-11-16 00:36:55,860 INFO L226 Difference]: Without dead ends: 48 [2019-11-16 00:36:55,860 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:36:55,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2019-11-16 00:36:55,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2019-11-16 00:36:55,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-16 00:36:55,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2019-11-16 00:36:55,872 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 10 [2019-11-16 00:36:55,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:36:55,874 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2019-11-16 00:36:55,874 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:36:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2019-11-16 00:36:55,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-16 00:36:55,877 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:36:55,878 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:36:55,878 INFO L410 AbstractCegarLoop]: === Iteration 3 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:36:55,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:36:55,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1690944142, now seen corresponding path program 1 times [2019-11-16 00:36:55,879 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:36:55,879 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361859269] [2019-11-16 00:36:55,879 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:55,879 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:55,880 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:36:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:56,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:36:56,043 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361859269] [2019-11-16 00:36:56,044 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675221723] [2019-11-16 00:36:56,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:36:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:56,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-16 00:36:56,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:36:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:36:56,239 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:36:56,239 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2019-11-16 00:36:56,239 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354043465] [2019-11-16 00:36:56,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-16 00:36:56,240 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:36:56,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-16 00:36:56,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:36:56,241 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 5 states. [2019-11-16 00:36:56,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:36:56,282 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2019-11-16 00:36:56,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-16 00:36:56,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-11-16 00:36:56,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:36:56,286 INFO L225 Difference]: With dead ends: 56 [2019-11-16 00:36:56,286 INFO L226 Difference]: Without dead ends: 56 [2019-11-16 00:36:56,287 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:36:56,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2019-11-16 00:36:56,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2019-11-16 00:36:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-16 00:36:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2019-11-16 00:36:56,298 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 14 [2019-11-16 00:36:56,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:36:56,299 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2019-11-16 00:36:56,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-16 00:36:56,299 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2019-11-16 00:36:56,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-16 00:36:56,300 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:36:56,301 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:36:56,504 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:36:56,504 INFO L410 AbstractCegarLoop]: === Iteration 4 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:36:56,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:36:56,505 INFO L82 PathProgramCache]: Analyzing trace with hash 881597516, now seen corresponding path program 1 times [2019-11-16 00:36:56,505 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:36:56,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945447015] [2019-11-16 00:36:56,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:56,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:56,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:36:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:36:56,641 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945447015] [2019-11-16 00:36:56,641 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853927967] [2019-11-16 00:36:56,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:36:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:56,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-16 00:36:56,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:36:56,832 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-11-16 00:36:56,833 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-16 00:36:56,842 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-16 00:36:56,843 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-16 00:36:56,843 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2019-11-16 00:36:56,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:36:56,890 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:36:56,890 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2019-11-16 00:36:56,890 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305736347] [2019-11-16 00:36:56,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:36:56,891 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:36:56,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:36:56,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:36:56,892 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 8 states. [2019-11-16 00:36:57,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:36:57,105 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2019-11-16 00:36:57,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:36:57,106 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-11-16 00:36:57,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:36:57,107 INFO L225 Difference]: With dead ends: 53 [2019-11-16 00:36:57,107 INFO L226 Difference]: Without dead ends: 53 [2019-11-16 00:36:57,108 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:36:57,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-16 00:36:57,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2019-11-16 00:36:57,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-11-16 00:36:57,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2019-11-16 00:36:57,116 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 14 [2019-11-16 00:36:57,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:36:57,117 INFO L462 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2019-11-16 00:36:57,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:36:57,117 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2019-11-16 00:36:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:36:57,120 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:36:57,120 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:36:57,320 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:36:57,321 INFO L410 AbstractCegarLoop]: === Iteration 5 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:36:57,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:36:57,321 INFO L82 PathProgramCache]: Analyzing trace with hash -754175343, now seen corresponding path program 1 times [2019-11-16 00:36:57,322 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:36:57,322 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296881073] [2019-11-16 00:36:57,322 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:57,322 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:57,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:36:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:36:57,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296881073] [2019-11-16 00:36:57,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:36:57,436 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:36:57,436 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115210846] [2019-11-16 00:36:57,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:36:57,437 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:36:57,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:36:57,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:36:57,437 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 6 states. [2019-11-16 00:36:57,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:36:57,708 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2019-11-16 00:36:57,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:36:57,709 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-11-16 00:36:57,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:36:57,710 INFO L225 Difference]: With dead ends: 58 [2019-11-16 00:36:57,710 INFO L226 Difference]: Without dead ends: 58 [2019-11-16 00:36:57,711 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-16 00:36:57,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-11-16 00:36:57,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2019-11-16 00:36:57,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-16 00:36:57,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2019-11-16 00:36:57,718 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 17 [2019-11-16 00:36:57,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:36:57,719 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2019-11-16 00:36:57,719 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:36:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2019-11-16 00:36:57,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-16 00:36:57,721 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:36:57,721 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:36:57,721 INFO L410 AbstractCegarLoop]: === Iteration 6 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:36:57,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:36:57,722 INFO L82 PathProgramCache]: Analyzing trace with hash -53110765, now seen corresponding path program 1 times [2019-11-16 00:36:57,722 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:36:57,722 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074231998] [2019-11-16 00:36:57,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:57,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:57,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:36:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:57,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:36:57,824 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074231998] [2019-11-16 00:36:57,825 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143116900] [2019-11-16 00:36:57,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:36:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:57,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-16 00:36:57,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:36:57,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:36:57,998 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:36:57,999 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2019-11-16 00:36:57,999 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505972181] [2019-11-16 00:36:57,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-16 00:36:58,000 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:36:58,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-16 00:36:58,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:36:58,000 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 10 states. [2019-11-16 00:36:58,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:36:58,402 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2019-11-16 00:36:58,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-16 00:36:58,402 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-11-16 00:36:58,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:36:58,405 INFO L225 Difference]: With dead ends: 70 [2019-11-16 00:36:58,405 INFO L226 Difference]: Without dead ends: 70 [2019-11-16 00:36:58,406 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-11-16 00:36:58,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-16 00:36:58,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 59. [2019-11-16 00:36:58,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-16 00:36:58,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2019-11-16 00:36:58,412 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 17 [2019-11-16 00:36:58,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:36:58,412 INFO L462 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2019-11-16 00:36:58,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-16 00:36:58,412 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2019-11-16 00:36:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-16 00:36:58,413 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:36:58,413 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:36:58,617 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:36:58,617 INFO L410 AbstractCegarLoop]: === Iteration 7 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:36:58,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:36:58,617 INFO L82 PathProgramCache]: Analyzing trace with hash -664248280, now seen corresponding path program 1 times [2019-11-16 00:36:58,617 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:36:58,618 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901355036] [2019-11-16 00:36:58,618 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:58,618 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:58,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:36:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-16 00:36:58,721 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901355036] [2019-11-16 00:36:58,721 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:36:58,721 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:36:58,721 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870384220] [2019-11-16 00:36:58,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:36:58,723 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:36:58,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:36:58,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:36:58,724 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand 6 states. [2019-11-16 00:36:58,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:36:58,907 INFO L93 Difference]: Finished difference Result 81 states and 89 transitions. [2019-11-16 00:36:58,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:36:58,908 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-11-16 00:36:58,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:36:58,909 INFO L225 Difference]: With dead ends: 81 [2019-11-16 00:36:58,909 INFO L226 Difference]: Without dead ends: 64 [2019-11-16 00:36:58,909 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:36:58,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-11-16 00:36:58,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 43. [2019-11-16 00:36:58,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-16 00:36:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2019-11-16 00:36:58,914 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 20 [2019-11-16 00:36:58,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:36:58,914 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2019-11-16 00:36:58,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:36:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2019-11-16 00:36:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-16 00:36:58,915 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:36:58,915 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:36:58,916 INFO L410 AbstractCegarLoop]: === Iteration 8 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:36:58,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:36:58,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1158462576, now seen corresponding path program 2 times [2019-11-16 00:36:58,916 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:36:58,916 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590735411] [2019-11-16 00:36:58,916 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:58,916 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:58,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:36:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-16 00:36:59,062 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590735411] [2019-11-16 00:36:59,062 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:36:59,063 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:36:59,063 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070349997] [2019-11-16 00:36:59,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-16 00:36:59,063 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:36:59,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-16 00:36:59,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-16 00:36:59,064 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 7 states. [2019-11-16 00:36:59,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:36:59,301 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2019-11-16 00:36:59,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-16 00:36:59,302 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2019-11-16 00:36:59,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:36:59,303 INFO L225 Difference]: With dead ends: 66 [2019-11-16 00:36:59,303 INFO L226 Difference]: Without dead ends: 66 [2019-11-16 00:36:59,303 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2019-11-16 00:36:59,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-11-16 00:36:59,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 45. [2019-11-16 00:36:59,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-16 00:36:59,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2019-11-16 00:36:59,308 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 21 [2019-11-16 00:36:59,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:36:59,308 INFO L462 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2019-11-16 00:36:59,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-16 00:36:59,308 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2019-11-16 00:36:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-16 00:36:59,309 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:36:59,309 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:36:59,309 INFO L410 AbstractCegarLoop]: === Iteration 9 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:36:59,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:36:59,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1158462575, now seen corresponding path program 1 times [2019-11-16 00:36:59,310 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:36:59,310 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055296921] [2019-11-16 00:36:59,310 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:59,310 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:59,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:36:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-16 00:36:59,370 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055296921] [2019-11-16 00:36:59,370 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:36:59,370 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-16 00:36:59,370 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147601490] [2019-11-16 00:36:59,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:36:59,371 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:36:59,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:36:59,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:36:59,371 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 6 states. [2019-11-16 00:36:59,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:36:59,468 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2019-11-16 00:36:59,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-16 00:36:59,469 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2019-11-16 00:36:59,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:36:59,470 INFO L225 Difference]: With dead ends: 40 [2019-11-16 00:36:59,470 INFO L226 Difference]: Without dead ends: 40 [2019-11-16 00:36:59,470 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:36:59,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-16 00:36:59,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-16 00:36:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-16 00:36:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2019-11-16 00:36:59,473 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 21 [2019-11-16 00:36:59,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:36:59,474 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2019-11-16 00:36:59,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:36:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2019-11-16 00:36:59,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-16 00:36:59,474 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:36:59,475 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:36:59,475 INFO L410 AbstractCegarLoop]: === Iteration 10 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:36:59,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:36:59,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1047783829, now seen corresponding path program 1 times [2019-11-16 00:36:59,475 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:36:59,475 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100404797] [2019-11-16 00:36:59,476 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:59,476 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:36:59,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:36:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:59,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:36:59,634 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100404797] [2019-11-16 00:36:59,635 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209857216] [2019-11-16 00:36:59,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:36:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:36:59,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-16 00:36:59,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:36:59,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-16 00:36:59,947 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:36:59,947 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 17 [2019-11-16 00:36:59,947 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348964603] [2019-11-16 00:36:59,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-16 00:36:59,948 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:36:59,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-16 00:36:59,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2019-11-16 00:36:59,948 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 9 states. [2019-11-16 00:37:00,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:37:00,310 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2019-11-16 00:37:00,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-16 00:37:00,310 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2019-11-16 00:37:00,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:37:00,312 INFO L225 Difference]: With dead ends: 45 [2019-11-16 00:37:00,312 INFO L226 Difference]: Without dead ends: 45 [2019-11-16 00:37:00,313 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2019-11-16 00:37:00,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2019-11-16 00:37:00,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2019-11-16 00:37:00,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-16 00:37:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2019-11-16 00:37:00,318 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 25 [2019-11-16 00:37:00,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:37:00,318 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2019-11-16 00:37:00,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-16 00:37:00,319 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2019-11-16 00:37:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-16 00:37:00,320 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:37:00,320 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:37:00,530 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:37:00,530 INFO L410 AbstractCegarLoop]: === Iteration 11 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:37:00,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:37:00,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1878433603, now seen corresponding path program 1 times [2019-11-16 00:37:00,531 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:37:00,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811844122] [2019-11-16 00:37:00,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:37:00,531 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:37:00,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:37:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:37:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:37:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-16 00:37:00,584 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811844122] [2019-11-16 00:37:00,584 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:37:00,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-16 00:37:00,585 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753600066] [2019-11-16 00:37:00,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-16 00:37:00,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:37:00,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-16 00:37:00,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:37:00,585 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 6 states. [2019-11-16 00:37:00,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:37:00,767 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2019-11-16 00:37:00,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-16 00:37:00,768 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2019-11-16 00:37:00,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:37:00,768 INFO L225 Difference]: With dead ends: 69 [2019-11-16 00:37:00,768 INFO L226 Difference]: Without dead ends: 69 [2019-11-16 00:37:00,769 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-11-16 00:37:00,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2019-11-16 00:37:00,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 42. [2019-11-16 00:37:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-16 00:37:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2019-11-16 00:37:00,772 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 26 [2019-11-16 00:37:00,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:37:00,773 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2019-11-16 00:37:00,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-16 00:37:00,773 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2019-11-16 00:37:00,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-16 00:37:00,774 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:37:00,774 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:37:00,774 INFO L410 AbstractCegarLoop]: === Iteration 12 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:37:00,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:37:00,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1300227424, now seen corresponding path program 1 times [2019-11-16 00:37:00,775 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:37:00,775 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707396079] [2019-11-16 00:37:00,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:37:00,775 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:37:00,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:37:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:37:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:37:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-16 00:37:00,913 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707396079] [2019-11-16 00:37:00,913 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954515105] [2019-11-16 00:37:00,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:37:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:37:01,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-16 00:37:01,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:37:01,160 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:37:01,160 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:37:01,161 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2019-11-16 00:37:01,161 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730050129] [2019-11-16 00:37:01,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-16 00:37:01,162 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:37:01,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-16 00:37:01,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2019-11-16 00:37:01,162 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 16 states. [2019-11-16 00:37:01,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:37:01,771 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions. [2019-11-16 00:37:01,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-16 00:37:01,772 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 31 [2019-11-16 00:37:01,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:37:01,773 INFO L225 Difference]: With dead ends: 70 [2019-11-16 00:37:01,773 INFO L226 Difference]: Without dead ends: 67 [2019-11-16 00:37:01,773 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=573, Unknown=0, NotChecked=0, Total=702 [2019-11-16 00:37:01,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2019-11-16 00:37:01,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2019-11-16 00:37:01,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-16 00:37:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2019-11-16 00:37:01,778 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 31 [2019-11-16 00:37:01,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:37:01,778 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2019-11-16 00:37:01,778 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-16 00:37:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2019-11-16 00:37:01,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-16 00:37:01,780 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:37:01,780 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:37:01,983 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:37:01,983 INFO L410 AbstractCegarLoop]: === Iteration 13 === [insertionSortErr1REQUIRES_VIOLATION, insertionSortErr7REQUIRES_VIOLATION, insertionSortErr0REQUIRES_VIOLATION, insertionSortErr2REQUIRES_VIOLATION, insertionSortErr6REQUIRES_VIOLATION, insertionSortErr3REQUIRES_VIOLATION, insertionSortErr5REQUIRES_VIOLATION, insertionSortErr8REQUIRES_VIOLATION, insertionSortErr4REQUIRES_VIOLATION, insertionSortErr9REQUIRES_VIOLATION, mainErr2ENSURES_VIOLATIONMEMORY_LEAK, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION]=== [2019-11-16 00:37:01,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:37:01,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1193369382, now seen corresponding path program 1 times [2019-11-16 00:37:01,984 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:37:01,984 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105687310] [2019-11-16 00:37:01,984 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:37:01,984 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:37:01,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:37:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:37:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:37:02,235 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:37:02,235 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105687310] [2019-11-16 00:37:02,235 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144576855] [2019-11-16 00:37:02,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:37:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:37:02,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-16 00:37:02,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:37:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-16 00:37:02,587 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:37:02,587 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 21 [2019-11-16 00:37:02,587 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775635296] [2019-11-16 00:37:02,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-11-16 00:37:02,588 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:37:02,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-11-16 00:37:02,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2019-11-16 00:37:02,589 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand 22 states. [2019-11-16 00:37:03,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:37:03,569 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2019-11-16 00:37:03,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-11-16 00:37:03,569 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 35 [2019-11-16 00:37:03,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:37:03,570 INFO L225 Difference]: With dead ends: 85 [2019-11-16 00:37:03,570 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:37:03,571 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=270, Invalid=990, Unknown=0, NotChecked=0, Total=1260 [2019-11-16 00:37:03,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:37:03,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:37:03,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:37:03,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:37:03,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2019-11-16 00:37:03,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:37:03,572 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:37:03,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-11-16 00:37:03,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:37:03,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:37:03,772 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:37:03,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:37:03 BoogieIcfgContainer [2019-11-16 00:37:03,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:37:03,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:37:03,778 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:37:03,778 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:37:03,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:36:54" (3/4) ... [2019-11-16 00:37:03,783 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:37:03,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-16 00:37:03,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure insertionSort [2019-11-16 00:37:03,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-11-16 00:37:03,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-11-16 00:37:03,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint16_identity [2019-11-16 00:37:03,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint64_identity [2019-11-16 00:37:03,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-16 00:37:03,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __uint32_identity [2019-11-16 00:37:03,800 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2019-11-16 00:37:03,801 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-16 00:37:03,801 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-16 00:37:03,869 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e1350749-e19e-438c-bd67-e4b06a46caa0/bin/uautomizer/witness.graphml [2019-11-16 00:37:03,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:37:03,871 INFO L168 Benchmark]: Toolchain (without parser) took 10516.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.1 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -77.5 MB). Peak memory consumption was 226.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:37:03,873 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:37:03,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 593.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:37:03,875 INFO L168 Benchmark]: Boogie Preprocessor took 100.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:37:03,876 INFO L168 Benchmark]: RCFGBuilder took 788.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. [2019-11-16 00:37:03,879 INFO L168 Benchmark]: TraceAbstraction took 8932.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.2 MB). Peak memory consumption was 208.9 MB. Max. memory is 11.5 GB. [2019-11-16 00:37:03,880 INFO L168 Benchmark]: Witness Printer took 91.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:37:03,882 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 593.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 100.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 788.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8932.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.2 MB). Peak memory consumption was 208.9 MB. Max. memory is 11.5 GB. * Witness Printer took 91.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 523]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 532]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 63 locations, 13 error locations. Result: SAFE, OverallTime: 8.8s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 344 SDtfs, 1148 SDslu, 478 SDs, 0 SdLazy, 1759 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 289 GetRequests, 130 SyntacticMatches, 5 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 102 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 397 NumberOfCodeBlocks, 397 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 62109 SizeOfPredicates, 22 NumberOfNonLiveVariables, 543 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 19 InterpolantComputations, 9 PerfectInterpolantSequences, 54/76 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...