./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/array-memsafety/cstrlen_unsafe_false-valid-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/array-memsafety/cstrlen_unsafe_false-valid-deref.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2309dee6513434817ba1d849be751d9f31667bc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-13 21:55:47,404 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-13 21:55:47,406 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-13 21:55:47,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-13 21:55:47,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-13 21:55:47,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-13 21:55:47,423 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-13 21:55:47,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-13 21:55:47,427 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-13 21:55:47,428 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-13 21:55:47,429 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-13 21:55:47,429 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-13 21:55:47,430 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-13 21:55:47,432 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-13 21:55:47,433 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-13 21:55:47,435 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-13 21:55:47,436 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-13 21:55:47,438 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-13 21:55:47,440 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-13 21:55:47,442 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-13 21:55:47,444 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-13 21:55:47,445 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-13 21:55:47,448 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-13 21:55:47,448 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-13 21:55:47,448 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-13 21:55:47,450 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-13 21:55:47,451 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-13 21:55:47,452 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-13 21:55:47,454 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-13 21:55:47,455 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-13 21:55:47,455 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-13 21:55:47,456 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-13 21:55:47,456 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-13 21:55:47,457 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-13 21:55:47,459 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-13 21:55:47,460 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-13 21:55:47,460 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-13 21:55:47,484 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-13 21:55:47,485 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-13 21:55:47,487 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-13 21:55:47,491 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-13 21:55:47,491 INFO L133 SettingsManager]: * Use SBE=true [2019-01-13 21:55:47,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-13 21:55:47,491 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-13 21:55:47,491 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-13 21:55:47,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-13 21:55:47,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-13 21:55:47,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-13 21:55:47,492 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-13 21:55:47,492 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-13 21:55:47,493 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-13 21:55:47,494 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-13 21:55:47,495 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-13 21:55:47,496 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-13 21:55:47,497 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-13 21:55:47,497 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-13 21:55:47,497 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-13 21:55:47,497 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-13 21:55:47,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 21:55:47,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-13 21:55:47,498 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-13 21:55:47,499 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-13 21:55:47,499 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-13 21:55:47,499 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2309dee6513434817ba1d849be751d9f31667bc [2019-01-13 21:55:47,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-13 21:55:47,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-13 21:55:47,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-13 21:55:47,585 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-13 21:55:47,586 INFO L276 PluginConnector]: CDTParser initialized [2019-01-13 21:55:47,587 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/cstrlen_unsafe_false-valid-deref.i [2019-01-13 21:55:47,657 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d9e2b8c9/e9619d75ff7b4c74b2d138dbc67bd5f9/FLAG2b0489de7 [2019-01-13 21:55:48,136 INFO L307 CDTParser]: Found 1 translation units. [2019-01-13 21:55:48,137 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/cstrlen_unsafe_false-valid-deref.i [2019-01-13 21:55:48,152 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d9e2b8c9/e9619d75ff7b4c74b2d138dbc67bd5f9/FLAG2b0489de7 [2019-01-13 21:55:48,466 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d9e2b8c9/e9619d75ff7b4c74b2d138dbc67bd5f9 [2019-01-13 21:55:48,469 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-13 21:55:48,470 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-13 21:55:48,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-13 21:55:48,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-13 21:55:48,475 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-13 21:55:48,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 09:55:48" (1/1) ... [2019-01-13 21:55:48,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da7ec5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:55:48, skipping insertion in model container [2019-01-13 21:55:48,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.01 09:55:48" (1/1) ... [2019-01-13 21:55:48,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-13 21:55:48,549 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-13 21:55:48,971 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 21:55:48,985 INFO L191 MainTranslator]: Completed pre-run [2019-01-13 21:55:49,131 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-13 21:55:49,197 INFO L195 MainTranslator]: Completed translation [2019-01-13 21:55:49,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:55:49 WrapperNode [2019-01-13 21:55:49,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-13 21:55:49,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-13 21:55:49,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-13 21:55:49,200 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-13 21:55:49,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:55:49" (1/1) ... [2019-01-13 21:55:49,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:55:49" (1/1) ... [2019-01-13 21:55:49,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:55:49" (1/1) ... [2019-01-13 21:55:49,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:55:49" (1/1) ... [2019-01-13 21:55:49,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:55:49" (1/1) ... [2019-01-13 21:55:49,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:55:49" (1/1) ... [2019-01-13 21:55:49,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:55:49" (1/1) ... [2019-01-13 21:55:49,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-13 21:55:49,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-13 21:55:49,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-13 21:55:49,278 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-13 21:55:49,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:55:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-13 21:55:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-13 21:55:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-13 21:55:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-13 21:55:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-13 21:55:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2019-01-13 21:55:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure cstrlen [2019-01-13 21:55:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-13 21:55:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-13 21:55:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-13 21:55:49,342 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-13 21:55:49,343 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-13 21:55:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-13 21:55:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-13 21:55:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-13 21:55:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-13 21:55:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-13 21:55:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-13 21:55:49,344 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-13 21:55:49,345 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-13 21:55:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-13 21:55:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-13 21:55:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-13 21:55:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-13 21:55:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-13 21:55:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-13 21:55:49,346 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-13 21:55:49,347 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-13 21:55:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-13 21:55:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-13 21:55:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-13 21:55:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-13 21:55:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-13 21:55:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-13 21:55:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-13 21:55:49,348 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-13 21:55:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-13 21:55:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-13 21:55:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-13 21:55:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-13 21:55:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-13 21:55:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-13 21:55:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-13 21:55:49,349 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-13 21:55:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-13 21:55:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-13 21:55:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-13 21:55:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-13 21:55:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-13 21:55:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-13 21:55:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-13 21:55:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-13 21:55:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-13 21:55:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-13 21:55:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-13 21:55:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-13 21:55:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-13 21:55:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-13 21:55:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-13 21:55:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-13 21:55:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-13 21:55:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-13 21:55:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-13 21:55:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-13 21:55:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-13 21:55:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-13 21:55:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-13 21:55:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-13 21:55:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-13 21:55:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-13 21:55:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-13 21:55:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-13 21:55:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-13 21:55:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-13 21:55:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-13 21:55:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-13 21:55:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-13 21:55:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-13 21:55:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-13 21:55:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-13 21:55:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-13 21:55:49,358 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-13 21:55:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-13 21:55:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-13 21:55:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-13 21:55:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-13 21:55:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-13 21:55:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-13 21:55:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-13 21:55:49,359 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-13 21:55:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-13 21:55:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-13 21:55:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-13 21:55:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-13 21:55:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-13 21:55:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-13 21:55:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-13 21:55:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-13 21:55:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-13 21:55:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-13 21:55:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-13 21:55:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-13 21:55:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-13 21:55:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-13 21:55:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-13 21:55:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-13 21:55:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-13 21:55:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-13 21:55:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-13 21:55:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-13 21:55:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-13 21:55:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2019-01-13 21:55:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-13 21:55:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-13 21:55:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure cstrlen [2019-01-13 21:55:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-13 21:55:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-13 21:55:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-13 21:55:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-13 21:55:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-13 21:55:49,954 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-13 21:55:49,954 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-13 21:55:49,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 09:55:49 BoogieIcfgContainer [2019-01-13 21:55:49,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-13 21:55:49,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-13 21:55:49,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-13 21:55:49,962 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-13 21:55:49,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.01 09:55:48" (1/3) ... [2019-01-13 21:55:49,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c47fe43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 09:55:49, skipping insertion in model container [2019-01-13 21:55:49,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.01 09:55:49" (2/3) ... [2019-01-13 21:55:49,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c47fe43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.01 09:55:49, skipping insertion in model container [2019-01-13 21:55:49,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 09:55:49" (3/3) ... [2019-01-13 21:55:49,968 INFO L112 eAbstractionObserver]: Analyzing ICFG cstrlen_unsafe_false-valid-deref.i [2019-01-13 21:55:49,978 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-13 21:55:49,989 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-01-13 21:55:50,005 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-01-13 21:55:50,035 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-13 21:55:50,036 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-13 21:55:50,036 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-13 21:55:50,037 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-13 21:55:50,040 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-13 21:55:50,040 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-13 21:55:50,040 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-13 21:55:50,040 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-13 21:55:50,040 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-13 21:55:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-01-13 21:55:50,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-13 21:55:50,064 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:55:50,065 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:55:50,068 INFO L423 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr0REQUIRES_VIOLATION, cstrlenErr0REQUIRES_VIOLATION, cstrlenErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 21:55:50,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:55:50,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1613023456, now seen corresponding path program 1 times [2019-01-13 21:55:50,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:55:50,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:55:50,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:50,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:55:50,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:55:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:55:50,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:55:50,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-13 21:55:50,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-13 21:55:50,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-13 21:55:50,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 21:55:50,252 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2019-01-13 21:55:50,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:55:50,358 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2019-01-13 21:55:50,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-13 21:55:50,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-01-13 21:55:50,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:55:50,370 INFO L225 Difference]: With dead ends: 36 [2019-01-13 21:55:50,370 INFO L226 Difference]: Without dead ends: 33 [2019-01-13 21:55:50,372 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-13 21:55:50,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2019-01-13 21:55:50,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2019-01-13 21:55:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-01-13 21:55:50,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2019-01-13 21:55:50,414 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 10 [2019-01-13 21:55:50,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:55:50,414 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2019-01-13 21:55:50,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-13 21:55:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2019-01-13 21:55:50,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-13 21:55:50,415 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:55:50,415 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:55:50,417 INFO L423 AbstractCegarLoop]: === Iteration 2 === [build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr0REQUIRES_VIOLATION, cstrlenErr0REQUIRES_VIOLATION, cstrlenErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 21:55:50,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:55:50,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1613023457, now seen corresponding path program 1 times [2019-01-13 21:55:50,417 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:55:50,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:55:50,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:50,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:55:50,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:55:50,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:55:50,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:55:50,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-13 21:55:50,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-13 21:55:50,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-13 21:55:50,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-13 21:55:50,535 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 4 states. [2019-01-13 21:55:50,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:55:50,575 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2019-01-13 21:55:50,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-13 21:55:50,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-01-13 21:55:50,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:55:50,579 INFO L225 Difference]: With dead ends: 32 [2019-01-13 21:55:50,579 INFO L226 Difference]: Without dead ends: 32 [2019-01-13 21:55:50,580 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-01-13 21:55:50,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-01-13 21:55:50,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-01-13 21:55:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-01-13 21:55:50,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2019-01-13 21:55:50,586 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 10 [2019-01-13 21:55:50,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:55:50,586 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2019-01-13 21:55:50,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-13 21:55:50,586 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2019-01-13 21:55:50,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 21:55:50,587 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:55:50,587 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:55:50,588 INFO L423 AbstractCegarLoop]: === Iteration 3 === [build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr0REQUIRES_VIOLATION, cstrlenErr0REQUIRES_VIOLATION, cstrlenErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 21:55:50,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:55:50,589 INFO L82 PathProgramCache]: Analyzing trace with hash 572064767, now seen corresponding path program 1 times [2019-01-13 21:55:50,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:55:50,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:55:50,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:50,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:55:50,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:55:50,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:55:50,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:55:50,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-01-13 21:55:50,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-01-13 21:55:50,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-01-13 21:55:50,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-01-13 21:55:50,770 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 8 states. [2019-01-13 21:55:51,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:55:51,051 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-01-13 21:55:51,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-13 21:55:51,052 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2019-01-13 21:55:51,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:55:51,054 INFO L225 Difference]: With dead ends: 30 [2019-01-13 21:55:51,054 INFO L226 Difference]: Without dead ends: 30 [2019-01-13 21:55:51,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-01-13 21:55:51,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-01-13 21:55:51,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2019-01-13 21:55:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-01-13 21:55:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-01-13 21:55:51,061 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 17 [2019-01-13 21:55:51,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:55:51,061 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-01-13 21:55:51,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-01-13 21:55:51,063 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-01-13 21:55:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-01-13 21:55:51,064 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:55:51,064 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:55:51,065 INFO L423 AbstractCegarLoop]: === Iteration 4 === [build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr0REQUIRES_VIOLATION, cstrlenErr0REQUIRES_VIOLATION, cstrlenErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 21:55:51,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:55:51,066 INFO L82 PathProgramCache]: Analyzing trace with hash 572064768, now seen corresponding path program 1 times [2019-01-13 21:55:51,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:55:51,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:55:51,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:51,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:55:51,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:55:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:55:51,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:55:51,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-01-13 21:55:51,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-01-13 21:55:51,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-01-13 21:55:51,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-01-13 21:55:51,559 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 10 states. [2019-01-13 21:55:51,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:55:51,831 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2019-01-13 21:55:51,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-01-13 21:55:51,833 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2019-01-13 21:55:51,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:55:51,836 INFO L225 Difference]: With dead ends: 34 [2019-01-13 21:55:51,837 INFO L226 Difference]: Without dead ends: 34 [2019-01-13 21:55:51,838 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-01-13 21:55:51,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-01-13 21:55:51,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 30. [2019-01-13 21:55:51,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-01-13 21:55:51,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2019-01-13 21:55:51,844 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 17 [2019-01-13 21:55:51,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:55:51,846 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2019-01-13 21:55:51,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-01-13 21:55:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2019-01-13 21:55:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-13 21:55:51,848 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:55:51,848 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:55:51,848 INFO L423 AbstractCegarLoop]: === Iteration 5 === [build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr0REQUIRES_VIOLATION, cstrlenErr0REQUIRES_VIOLATION, cstrlenErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 21:55:51,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:55:51,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1572455, now seen corresponding path program 1 times [2019-01-13 21:55:51,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:55:51,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:55:51,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:51,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:55:51,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-13 21:55:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-13 21:55:52,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-13 21:55:52,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-01-13 21:55:52,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-13 21:55:52,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-13 21:55:52,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-01-13 21:55:52,096 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 11 states. [2019-01-13 21:55:52,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-13 21:55:52,414 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2019-01-13 21:55:52,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-01-13 21:55:52,415 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-01-13 21:55:52,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-13 21:55:52,418 INFO L225 Difference]: With dead ends: 50 [2019-01-13 21:55:52,418 INFO L226 Difference]: Without dead ends: 50 [2019-01-13 21:55:52,419 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2019-01-13 21:55:52,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2019-01-13 21:55:52,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 43. [2019-01-13 21:55:52,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-01-13 21:55:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2019-01-13 21:55:52,427 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 19 [2019-01-13 21:55:52,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-13 21:55:52,427 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2019-01-13 21:55:52,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-13 21:55:52,427 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2019-01-13 21:55:52,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-01-13 21:55:52,428 INFO L394 BasicCegarLoop]: Found error trace [2019-01-13 21:55:52,428 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-13 21:55:52,430 INFO L423 AbstractCegarLoop]: === Iteration 6 === [build_nondet_StringErr1REQUIRES_VIOLATION, build_nondet_StringErr0REQUIRES_VIOLATION, cstrlenErr0REQUIRES_VIOLATION, cstrlenErr1REQUIRES_VIOLATION, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ENSURES_VIOLATIONMEMORY_LEAK, mainErr1ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_FREE]=== [2019-01-13 21:55:52,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-13 21:55:52,430 INFO L82 PathProgramCache]: Analyzing trace with hash 256592983, now seen corresponding path program 1 times [2019-01-13 21:55:52,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-13 21:55:52,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-13 21:55:52,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:52,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-13 21:55:52,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-13 21:55:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 21:55:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-13 21:55:52,487 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-13 21:55:52,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.01 09:55:52 BoogieIcfgContainer [2019-01-13 21:55:52,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-13 21:55:52,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-13 21:55:52,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-13 21:55:52,517 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-13 21:55:52,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.01 09:55:49" (3/4) ... [2019-01-13 21:55:52,520 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-13 21:55:52,567 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-13 21:55:52,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-13 21:55:52,568 INFO L168 Benchmark]: Toolchain (without parser) took 4098.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 947.3 MB in the beginning and 925.6 MB in the end (delta: 21.7 MB). Peak memory consumption was 142.3 MB. Max. memory is 11.5 GB. [2019-01-13 21:55:52,569 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 21:55:52,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-01-13 21:55:52,571 INFO L168 Benchmark]: Boogie Preprocessor took 79.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 21:55:52,571 INFO L168 Benchmark]: RCFGBuilder took 679.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2019-01-13 21:55:52,572 INFO L168 Benchmark]: TraceAbstraction took 2557.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 925.6 MB in the end (delta: 130.2 MB). Peak memory consumption was 130.2 MB. Max. memory is 11.5 GB. [2019-01-13 21:55:52,573 INFO L168 Benchmark]: Witness Printer took 51.00 ms. Allocated memory is still 1.1 GB. Free memory is still 925.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-13 21:55:52,578 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 726.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -159.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 79.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 679.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2557.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 925.6 MB in the end (delta: 130.2 MB). Peak memory consumption was 130.2 MB. Max. memory is 11.5 GB. * Witness Printer took 51.00 ms. Allocated memory is still 1.1 GB. Free memory is still 925.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 552]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L557] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); [L542] COND FALSE !(length < 1) VAL [length=2] [L545] char* nondetString = (char*) malloc(length * sizeof(char)); VAL [length=2, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L546] nondetString[length-1] = '\0' VAL [length=2, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L547] return nondetString; VAL [\result={3:0}, length=2, malloc(length * sizeof(char))={3:0}, nondetString={3:0}] [L557] RET, EXPR build_nondet_String() VAL [build_nondet_String()={3:0}] [L557] char* p = build_nondet_String(); [L558] CALL cstrlen(p) VAL [s={3:0}] [L551] const char *p = s; VAL [p={3:0}, s={3:0}, s={3:0}] [L552] EXPR \read(*p) VAL [\read(*p)=5, p={3:0}, s={3:0}, s={3:0}] [L552] COND TRUE *p != '\0' [L553] p = p+2 VAL [p={3:2}, s={3:0}, s={3:0}] [L552] \read(*p) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 43 locations, 8 error locations. UNSAFE Result, 2.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 118 SDtfs, 81 SDslu, 350 SDs, 0 SdLazy, 339 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 3819 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...