./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/2Nested-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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 ../sv-benchmarks/c/termination-crafted/2Nested-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash e73aa59ec9606428c1e0dd19193fa59dbe50e869 ...................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:17:16,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:17:16,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:17:16,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:17:16,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:17:16,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:17:16,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:17:16,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:17:16,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:17:16,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:17:16,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:17:16,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:17:16,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:17:16,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:17:16,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:17:16,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:17:16,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:17:16,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:17:16,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:17:16,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:17:16,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:17:16,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:17:16,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:17:16,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:17:16,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:17:16,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:17:16,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:17:16,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:17:16,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:17:16,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:17:16,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:17:16,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:17:16,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:17:16,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:17:16,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:17:16,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:17:16,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:17:16,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:17:16,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:17:16,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:17:16,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:17:16,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:17:16,992 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:17:16,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:17:16,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:17:16,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:17:16,995 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:17:16,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:17:16,996 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:17:16,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:17:16,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:17:16,997 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:17:16,998 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:17:16,998 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:17:16,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:17:16,999 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:17:16,999 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:17:16,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:17:16,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:17:17,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:17:17,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:17:17,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:17:17,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:17:17,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:17:17,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:17:17,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:17:17,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:17:17,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e73aa59ec9606428c1e0dd19193fa59dbe50e869 [2020-10-20 06:17:17,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:17:17,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:17:17,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:17:17,268 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:17:17,268 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:17:17,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/2Nested-1.c [2020-10-20 06:17:17,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6270f07fd/c9ec32c8c8eb484791093105d0154908/FLAGc8dd83dd7 [2020-10-20 06:17:17,843 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:17:17,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/2Nested-1.c [2020-10-20 06:17:17,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6270f07fd/c9ec32c8c8eb484791093105d0154908/FLAGc8dd83dd7 [2020-10-20 06:17:18,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6270f07fd/c9ec32c8c8eb484791093105d0154908 [2020-10-20 06:17:18,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:17:18,216 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:17:18,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:18,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:17:18,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:17:18,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:18" (1/1) ... [2020-10-20 06:17:18,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@196d39ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:18, skipping insertion in model container [2020-10-20 06:17:18,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:18" (1/1) ... [2020-10-20 06:17:18,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:17:18,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:17:18,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:18,509 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:17:18,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:18,541 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:17:18,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:18 WrapperNode [2020-10-20 06:17:18,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:18,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:17:18,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:17:18,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:17:18,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:18" (1/1) ... [2020-10-20 06:17:18,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:18" (1/1) ... [2020-10-20 06:17:18,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:18" (1/1) ... [2020-10-20 06:17:18,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:18" (1/1) ... [2020-10-20 06:17:18,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:18" (1/1) ... [2020-10-20 06:17:18,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:18" (1/1) ... [2020-10-20 06:17:18,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:18" (1/1) ... [2020-10-20 06:17:18,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:17:18,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:17:18,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:17:18,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:17:18,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:18" (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 [2020-10-20 06:17:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:17:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:17:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:17:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:17:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:17:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:17:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:17:18,820 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:17:18,820 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-20 06:17:18,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:18 BoogieIcfgContainer [2020-10-20 06:17:18,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:17:18,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:17:18,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:17:18,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:17:18,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:17:18" (1/3) ... [2020-10-20 06:17:18,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7b9f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:18, skipping insertion in model container [2020-10-20 06:17:18,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:18" (2/3) ... [2020-10-20 06:17:18,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7b9f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:18, skipping insertion in model container [2020-10-20 06:17:18,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:18" (3/3) ... [2020-10-20 06:17:18,829 INFO L111 eAbstractionObserver]: Analyzing ICFG 2Nested-1.c [2020-10-20 06:17:18,839 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:17:18,847 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 06:17:18,861 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 06:17:18,882 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:17:18,882 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:17:18,882 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:17:18,883 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:17:18,883 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:17:18,883 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:17:18,883 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:17:18,883 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:17:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-10-20 06:17:18,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:17:18,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:17:18 BoogieIcfgContainer [2020-10-20 06:17:18,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:17:18,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:17:18,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:17:18,910 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:17:18,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:18" (3/4) ... [2020-10-20 06:17:18,914 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:17:18,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-20 06:17:18,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-20 06:17:18,928 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 06:17:18,939 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-20 06:17:18,940 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:17:18,990 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:17:18,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:17:18,993 INFO L168 Benchmark]: Toolchain (without parser) took 781.59 ms. Allocated memory was 39.8 MB in the beginning and 43.0 MB in the end (delta: 3.1 MB). Free memory was 17.7 MB in the beginning and 17.0 MB in the end (delta: 748.9 kB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:18,994 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 30.4 MB. Free memory was 6.6 MB in the beginning and 6.5 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:17:18,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.68 ms. Allocated memory was 39.8 MB in the beginning and 40.4 MB in the end (delta: 524.3 kB). Free memory was 16.9 MB in the beginning and 19.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:18,996 INFO L168 Benchmark]: Boogie Preprocessor took 39.15 ms. Allocated memory is still 40.4 MB. Free memory was 19.0 MB in the beginning and 17.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:18,997 INFO L168 Benchmark]: RCFGBuilder took 238.12 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 17.5 MB in the beginning and 25.8 MB in the end (delta: -8.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:18,998 INFO L168 Benchmark]: TraceAbstraction took 86.55 ms. Allocated memory is still 43.0 MB. Free memory was 25.4 MB in the beginning and 19.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:18,999 INFO L168 Benchmark]: Witness Printer took 81.07 ms. Allocated memory is still 43.0 MB. Free memory was 19.9 MB in the beginning and 17.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:19,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 30.4 MB. Free memory was 6.6 MB in the beginning and 6.5 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 325.68 ms. Allocated memory was 39.8 MB in the beginning and 40.4 MB in the end (delta: 524.3 kB). Free memory was 16.9 MB in the beginning and 19.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 39.15 ms. Allocated memory is still 40.4 MB. Free memory was 19.0 MB in the beginning and 17.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 238.12 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 17.5 MB in the beginning and 25.8 MB in the end (delta: -8.3 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 86.55 ms. Allocated memory is still 43.0 MB. Free memory was 25.4 MB in the beginning and 19.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. * Witness Printer took 81.07 ms. Allocated memory is still 43.0 MB. Free memory was 19.9 MB in the beginning and 17.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 14 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...