./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2e94e6aa 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/array02-alloca_true-valid-memsafety_true-termination.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 f42aa215a16d5e0efb670a585ba0238849a32fc4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 17:12:40,684 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 17:12:40,687 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 17:12:40,699 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 17:12:40,700 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 17:12:40,701 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 17:12:40,702 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 17:12:40,705 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 17:12:40,707 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 17:12:40,708 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 17:12:40,709 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 17:12:40,709 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 17:12:40,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 17:12:40,711 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 17:12:40,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 17:12:40,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 17:12:40,715 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 17:12:40,717 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 17:12:40,720 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 17:12:40,722 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 17:12:40,723 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 17:12:40,725 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 17:12:40,728 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 17:12:40,728 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 17:12:40,728 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 17:12:40,730 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 17:12:40,731 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 17:12:40,732 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 17:12:40,733 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 17:12:40,734 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 17:12:40,735 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 17:12:40,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 17:12:40,736 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 17:12:40,736 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 17:12:40,737 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 17:12:40,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 17:12:40,739 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 17:12:40,755 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 17:12:40,756 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 17:12:40,757 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 17:12:40,757 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 17:12:40,757 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 17:12:40,758 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 17:12:40,758 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 17:12:40,758 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 17:12:40,759 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 17:12:40,759 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 17:12:40,759 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 17:12:40,759 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 17:12:40,759 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 17:12:40,759 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 17:12:40,760 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 17:12:40,760 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 17:12:40,760 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 17:12:40,760 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 17:12:40,760 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 17:12:40,761 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 17:12:40,762 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 17:12:40,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 17:12:40,763 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 17:12:40,763 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 17:12:40,763 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 17:12:40,763 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 17:12:40,764 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 -> f42aa215a16d5e0efb670a585ba0238849a32fc4 [2019-01-01 17:12:40,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 17:12:40,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 17:12:40,819 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 17:12:40,821 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 17:12:40,822 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 17:12:40,822 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2019-01-01 17:12:40,885 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f8f6540c/760b7078605d422799adabc9a468f0ea/FLAG0bacac8e3 [2019-01-01 17:12:41,408 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 17:12:41,409 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2019-01-01 17:12:41,422 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f8f6540c/760b7078605d422799adabc9a468f0ea/FLAG0bacac8e3 [2019-01-01 17:12:41,703 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f8f6540c/760b7078605d422799adabc9a468f0ea [2019-01-01 17:12:41,706 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 17:12:41,708 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 17:12:41,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 17:12:41,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 17:12:41,713 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 17:12:41,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:12:41" (1/1) ... [2019-01-01 17:12:41,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787eb5dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:41, skipping insertion in model container [2019-01-01 17:12:41,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 05:12:41" (1/1) ... [2019-01-01 17:12:41,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 17:12:41,769 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 17:12:42,116 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:12:42,128 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 17:12:42,247 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 17:12:42,305 INFO L195 MainTranslator]: Completed translation [2019-01-01 17:12:42,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:42 WrapperNode [2019-01-01 17:12:42,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 17:12:42,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 17:12:42,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 17:12:42,307 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 17:12:42,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:42" (1/1) ... [2019-01-01 17:12:42,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:42" (1/1) ... [2019-01-01 17:12:42,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:42" (1/1) ... [2019-01-01 17:12:42,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:42" (1/1) ... [2019-01-01 17:12:42,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:42" (1/1) ... [2019-01-01 17:12:42,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:42" (1/1) ... [2019-01-01 17:12:42,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:42" (1/1) ... [2019-01-01 17:12:42,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 17:12:42,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 17:12:42,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 17:12:42,374 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 17:12:42,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:42" (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 [2019-01-01 17:12:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 17:12:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 17:12:42,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-01-01 17:12:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-01-01 17:12:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure test_fun [2019-01-01 17:12:42,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 17:12:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-01-01 17:12:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-01-01 17:12:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-01 17:12:42,450 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-01 17:12:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-01 17:12:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-01 17:12:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-01 17:12:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-01 17:12:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-01 17:12:42,451 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-01 17:12:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-01 17:12:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-01 17:12:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-01 17:12:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-01 17:12:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-01 17:12:42,452 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-01 17:12:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-01 17:12:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-01 17:12:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-01 17:12:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-01 17:12:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-01 17:12:42,453 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-01 17:12:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-01 17:12:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-01 17:12:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-01 17:12:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-01 17:12:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-01 17:12:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-01 17:12:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-01 17:12:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-01 17:12:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-01 17:12:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-01 17:12:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-01 17:12:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-01 17:12:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-01 17:12:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-01 17:12:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-01 17:12:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-01 17:12:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-01 17:12:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-01 17:12:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-01 17:12:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-01 17:12:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-01 17:12:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-01 17:12:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-01 17:12:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-01 17:12:42,457 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-01 17:12:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-01 17:12:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-01 17:12:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-01 17:12:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-01 17:12:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-01 17:12:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-01 17:12:42,458 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-01 17:12:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-01 17:12:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-01 17:12:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-01 17:12:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-01 17:12:42,460 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-01 17:12:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-01 17:12:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-01 17:12:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-01 17:12:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-01 17:12:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-01 17:12:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-01 17:12:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-01 17:12:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-01 17:12:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-01 17:12:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-01 17:12:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-01 17:12:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-01 17:12:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-01 17:12:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-01 17:12:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-01 17:12:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-01 17:12:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-01 17:12:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-01 17:12:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-01 17:12:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-01 17:12:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-01 17:12:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-01 17:12:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-01 17:12:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-01 17:12:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-01 17:12:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-01 17:12:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-01 17:12:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-01 17:12:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-01 17:12:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-01 17:12:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-01 17:12:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-01 17:12:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-01 17:12:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-01 17:12:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-01 17:12:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-01 17:12:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-01 17:12:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-01 17:12:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-01 17:12:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-01 17:12:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-01 17:12:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-01 17:12:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-01 17:12:42,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 17:12:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure test_fun [2019-01-01 17:12:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 17:12:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 17:12:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 17:12:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 17:12:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 17:12:42,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 17:12:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 17:12:43,169 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 17:12:43,169 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-01 17:12:43,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:12:43 BoogieIcfgContainer [2019-01-01 17:12:43,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 17:12:43,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 17:12:43,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 17:12:43,174 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 17:12:43,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 05:12:41" (1/3) ... [2019-01-01 17:12:43,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212e7d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:12:43, skipping insertion in model container [2019-01-01 17:12:43,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 05:12:42" (2/3) ... [2019-01-01 17:12:43,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212e7d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 05:12:43, skipping insertion in model container [2019-01-01 17:12:43,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:12:43" (3/3) ... [2019-01-01 17:12:43,178 INFO L112 eAbstractionObserver]: Analyzing ICFG array02-alloca_true-valid-memsafety_true-termination.i [2019-01-01 17:12:43,188 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 17:12:43,197 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2019-01-01 17:12:43,214 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2019-01-01 17:12:43,241 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 17:12:43,242 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 17:12:43,242 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 17:12:43,243 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 17:12:43,243 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 17:12:43,243 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 17:12:43,243 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 17:12:43,244 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 17:12:43,244 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 17:12:43,261 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-01-01 17:12:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-01 17:12:43,271 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:12:43,272 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:12:43,275 INFO L423 AbstractCegarLoop]: === Iteration 1 === [test_funErr10REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:12:43,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:12:43,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1953296061, now seen corresponding path program 1 times [2019-01-01 17:12:43,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:12:43,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:12:43,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:43,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:12:43,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:12:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:12:43,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:12:43,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-01-01 17:12:43,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 17:12:43,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 17:12:43,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:12:43,597 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 5 states. [2019-01-01 17:12:43,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:12:43,833 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2019-01-01 17:12:43,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 17:12:43,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-01-01 17:12:43,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:12:43,847 INFO L225 Difference]: With dead ends: 38 [2019-01-01 17:12:43,847 INFO L226 Difference]: Without dead ends: 35 [2019-01-01 17:12:43,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-01 17:12:43,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-01-01 17:12:43,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-01-01 17:12:43,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-01-01 17:12:43,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2019-01-01 17:12:43,893 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 12 [2019-01-01 17:12:43,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:12:43,894 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2019-01-01 17:12:43,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 17:12:43,894 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2019-01-01 17:12:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-01-01 17:12:43,895 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:12:43,895 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:12:43,895 INFO L423 AbstractCegarLoop]: === Iteration 2 === [test_funErr10REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:12:43,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:12:43,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1953296062, now seen corresponding path program 1 times [2019-01-01 17:12:43,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:12:43,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:12:43,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:43,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:12:43,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:12:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:12:44,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:12:44,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 17:12:44,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-01-01 17:12:44,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 17:12:44,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-01-01 17:12:44,319 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 6 states. [2019-01-01 17:12:44,499 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-01-01 17:12:45,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:12:45,083 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2019-01-01 17:12:45,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-01-01 17:12:45,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-01-01 17:12:45,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:12:45,088 INFO L225 Difference]: With dead ends: 51 [2019-01-01 17:12:45,089 INFO L226 Difference]: Without dead ends: 51 [2019-01-01 17:12:45,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-01-01 17:12:45,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-01-01 17:12:45,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2019-01-01 17:12:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-01 17:12:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2019-01-01 17:12:45,099 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 12 [2019-01-01 17:12:45,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:12:45,100 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2019-01-01 17:12:45,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-01-01 17:12:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2019-01-01 17:12:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-01-01 17:12:45,101 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:12:45,101 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:12:45,101 INFO L423 AbstractCegarLoop]: === Iteration 3 === [test_funErr10REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:12:45,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:12:45,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1869398232, now seen corresponding path program 1 times [2019-01-01 17:12:45,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:12:45,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:12:45,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:45,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:12:45,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:12:45,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:12:45,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:12:45,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 17:12:45,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-01-01 17:12:45,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 17:12:45,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 17:12:45,217 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 5 states. [2019-01-01 17:12:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:12:45,383 INFO L93 Difference]: Finished difference Result 51 states and 56 transitions. [2019-01-01 17:12:45,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 17:12:45,384 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-01-01 17:12:45,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:12:45,385 INFO L225 Difference]: With dead ends: 51 [2019-01-01 17:12:45,385 INFO L226 Difference]: Without dead ends: 49 [2019-01-01 17:12:45,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-01-01 17:12:45,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-01-01 17:12:45,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2019-01-01 17:12:45,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-01-01 17:12:45,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2019-01-01 17:12:45,392 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 15 [2019-01-01 17:12:45,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:12:45,394 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2019-01-01 17:12:45,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-01-01 17:12:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2019-01-01 17:12:45,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-01 17:12:45,395 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:12:45,395 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:12:45,396 INFO L423 AbstractCegarLoop]: === Iteration 4 === [test_funErr10REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:12:45,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:12:45,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1744128798, now seen corresponding path program 1 times [2019-01-01 17:12:45,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:12:45,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:12:45,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:45,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:12:45,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:12:45,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:12:45,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 17:12:45,571 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 17:12:45,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:12:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:12:45,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:12:45,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:12:45,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-01-01 17:12:45,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2019-01-01 17:12:45,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-01-01 17:12:45,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-01-01 17:12:45,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-01-01 17:12:45,772 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 11 states. [2019-01-01 17:12:46,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:12:46,121 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2019-01-01 17:12:46,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 17:12:46,127 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2019-01-01 17:12:46,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:12:46,129 INFO L225 Difference]: With dead ends: 71 [2019-01-01 17:12:46,130 INFO L226 Difference]: Without dead ends: 71 [2019-01-01 17:12:46,130 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2019-01-01 17:12:46,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-01-01 17:12:46,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 68. [2019-01-01 17:12:46,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-01-01 17:12:46,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2019-01-01 17:12:46,141 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 18 [2019-01-01 17:12:46,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:12:46,141 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2019-01-01 17:12:46,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-01-01 17:12:46,141 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2019-01-01 17:12:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-01-01 17:12:46,143 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:12:46,143 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:12:46,143 INFO L423 AbstractCegarLoop]: === Iteration 5 === [test_funErr10REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:12:46,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:12:46,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1485963360, now seen corresponding path program 1 times [2019-01-01 17:12:46,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:12:46,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:12:46,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:46,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:12:46,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:12:46,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:12:46,379 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-01 17:12:46,380 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-01-01 17:12:46,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:12:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:12:46,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 17:12:46,467 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-01-01 17:12:46,470 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-01-01 17:12:46,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-01-01 17:12:46,480 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2019-01-01 17:12:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 17:12:46,774 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-01-01 17:12:46,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2019-01-01 17:12:46,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-01-01 17:12:46,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-01-01 17:12:46,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-01-01 17:12:46,775 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand 12 states. [2019-01-01 17:12:47,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:12:47,196 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2019-01-01 17:12:47,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-01-01 17:12:47,198 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2019-01-01 17:12:47,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:12:47,199 INFO L225 Difference]: With dead ends: 63 [2019-01-01 17:12:47,200 INFO L226 Difference]: Without dead ends: 63 [2019-01-01 17:12:47,200 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2019-01-01 17:12:47,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-01-01 17:12:47,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 50. [2019-01-01 17:12:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2019-01-01 17:12:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2019-01-01 17:12:47,209 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 18 [2019-01-01 17:12:47,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:12:47,209 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2019-01-01 17:12:47,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-01-01 17:12:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2019-01-01 17:12:47,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-01-01 17:12:47,212 INFO L394 BasicCegarLoop]: Found error trace [2019-01-01 17:12:47,212 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 17:12:47,213 INFO L423 AbstractCegarLoop]: === Iteration 6 === [test_funErr10REQUIRES_VIOLATION, test_funErr4REQUIRES_VIOLATION, test_funErr9REQUIRES_VIOLATION, test_funErr6REQUIRES_VIOLATION, test_funErr11REQUIRES_VIOLATION, test_funErr0REQUIRES_VIOLATION, test_funErr5REQUIRES_VIOLATION, test_funErr2REQUIRES_VIOLATION, test_funErr7REQUIRES_VIOLATION, test_funErr1REQUIRES_VIOLATION, test_funErr3REQUIRES_VIOLATION, test_funErr8REQUIRES_VIOLATION, mainErr0ENSURES_VIOLATIONMEMORY_LEAK]=== [2019-01-01 17:12:47,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 17:12:47,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1172838020, now seen corresponding path program 1 times [2019-01-01 17:12:47,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 17:12:47,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 17:12:47,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:47,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 17:12:47,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 17:12:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 17:12:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-01 17:12:47,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 17:12:47,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 17:12:47,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-01 17:12:47,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-01 17:12:47,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 17:12:47,400 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 4 states. [2019-01-01 17:12:47,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 17:12:47,475 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2019-01-01 17:12:47,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-01 17:12:47,476 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2019-01-01 17:12:47,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-01 17:12:47,477 INFO L225 Difference]: With dead ends: 49 [2019-01-01 17:12:47,477 INFO L226 Difference]: Without dead ends: 0 [2019-01-01 17:12:47,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-01 17:12:47,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-01 17:12:47,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-01 17:12:47,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-01 17:12:47,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 17:12:47,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-01-01 17:12:47,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-01 17:12:47,479 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 17:12:47,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-01 17:12:47,479 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-01 17:12:47,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 17:12:47,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 05:12:47 BoogieIcfgContainer [2019-01-01 17:12:47,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 17:12:47,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 17:12:47,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 17:12:47,486 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 17:12:47,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 05:12:43" (3/4) ... [2019-01-01 17:12:47,491 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 17:12:47,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-01 17:12:47,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_32 [2019-01-01 17:12:47,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test_fun [2019-01-01 17:12:47,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __bswap_64 [2019-01-01 17:12:47,499 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-01 17:12:47,504 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-01-01 17:12:47,504 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-01-01 17:12:47,505 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-01 17:12:47,561 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 17:12:47,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 17:12:47,562 INFO L168 Benchmark]: Toolchain (without parser) took 5854.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.6 MB in the beginning and 878.7 MB in the end (delta: 65.9 MB). Peak memory consumption was 212.2 MB. Max. memory is 11.5 GB. [2019-01-01 17:12:47,563 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-01-01 17:12:47,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2019-01-01 17:12:47,564 INFO L168 Benchmark]: Boogie Preprocessor took 66.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 17:12:47,565 INFO L168 Benchmark]: RCFGBuilder took 796.28 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: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. [2019-01-01 17:12:47,566 INFO L168 Benchmark]: TraceAbstraction took 4314.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.4 MB in the end (delta: 191.3 MB). Peak memory consumption was 191.3 MB. Max. memory is 11.5 GB. [2019-01-01 17:12:47,566 INFO L168 Benchmark]: Witness Printer took 74.79 ms. Allocated memory is still 1.2 GB. Free memory was 885.4 MB in the beginning and 878.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-01-01 17:12:47,570 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 596.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 796.28 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: 44.5 MB). Peak memory consumption was 44.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4314.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.4 MB in the end (delta: 191.3 MB). Peak memory consumption was 191.3 MB. Max. memory is 11.5 GB. * Witness Printer took 74.79 ms. Allocated memory is still 1.2 GB. Free memory was 885.4 MB in the beginning and 878.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 50 locations, 13 error locations. SAFE Result, 4.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 152 SDtfs, 372 SDslu, 417 SDs, 0 SdLazy, 398 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 20 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 124 ConstructedInterpolants, 9 QuantifiedInterpolants, 10955 SizeOfPredicates, 9 NumberOfNonLiveVariables, 169 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 6/9 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...