./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/NestedRecursion_1b.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/NestedRecursion_1b.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 cb528549fa76ae8087cf7043645dfa20323a0116 ............................................................................................................................................................................................................ 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 06:17:44,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:17:44,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:17:44,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:17:44,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:17:44,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:17:44,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:17:44,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:17:44,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:17:44,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:17:44,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:17:44,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:17:44,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:17:44,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:17:44,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:17:44,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:17:44,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:17:44,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:17:44,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:17:44,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:17:44,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:17:44,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:17:44,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:17:44,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:17:44,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:17:44,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:17:44,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:17:44,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:17:44,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:17:44,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:17:44,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:17:44,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:17:44,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:17:44,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:17:44,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:17:44,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:17:44,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:17:44,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:17:44,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:17:44,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:17:44,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:17:44,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:17:44,285 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:17:44,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:17:44,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:17:44,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:17:44,287 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:17:44,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:17:44,288 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:17:44,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:17:44,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:17:44,289 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:17:44,289 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:17:44,289 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:17:44,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:17:44,290 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:17:44,290 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:17:44,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:17:44,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:17:44,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:17:44,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:17:44,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:17:44,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:17:44,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:17:44,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:17:44,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:17:44,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:17:44,293 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 -> cb528549fa76ae8087cf7043645dfa20323a0116 [2020-10-20 06:17:44,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:17:44,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:17:44,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:17:44,517 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:17:44,517 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:17:44,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/NestedRecursion_1b.c [2020-10-20 06:17:44,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8d3957a7/39f1196554f841f3bc5ede544667e134/FLAG980982112 [2020-10-20 06:17:45,061 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:17:45,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/NestedRecursion_1b.c [2020-10-20 06:17:45,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8d3957a7/39f1196554f841f3bc5ede544667e134/FLAG980982112 [2020-10-20 06:17:45,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8d3957a7/39f1196554f841f3bc5ede544667e134 [2020-10-20 06:17:45,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:17:45,426 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:17:45,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:45,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:17:45,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:17:45,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:45" (1/1) ... [2020-10-20 06:17:45,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7f0c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:45, skipping insertion in model container [2020-10-20 06:17:45,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:45" (1/1) ... [2020-10-20 06:17:45,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:17:45,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:17:45,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:45,723 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:17:45,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:45,751 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:17:45,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:45 WrapperNode [2020-10-20 06:17:45,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:45,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:17:45,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:17:45,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:17:45,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:45" (1/1) ... [2020-10-20 06:17:45,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:45" (1/1) ... [2020-10-20 06:17:45,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:45" (1/1) ... [2020-10-20 06:17:45,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:45" (1/1) ... [2020-10-20 06:17:45,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:45" (1/1) ... [2020-10-20 06:17:45,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:45" (1/1) ... [2020-10-20 06:17:45,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:45" (1/1) ... [2020-10-20 06:17:45,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:17:45,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:17:45,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:17:45,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:17:45,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:45" (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 06:17:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:17:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:17:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2020-10-20 06:17:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2020-10-20 06:17:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:17:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:17:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2020-10-20 06:17:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2020-10-20 06:17:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:17:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:17:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:17:46,018 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:17:46,019 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-20 06:17:46,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:46 BoogieIcfgContainer [2020-10-20 06:17:46,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:17:46,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:17:46,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:17:46,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:17:46,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:17:45" (1/3) ... [2020-10-20 06:17:46,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104cbb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:46, skipping insertion in model container [2020-10-20 06:17:46,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:45" (2/3) ... [2020-10-20 06:17:46,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104cbb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:46, skipping insertion in model container [2020-10-20 06:17:46,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:46" (3/3) ... [2020-10-20 06:17:46,030 INFO L111 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1b.c [2020-10-20 06:17:46,044 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:17:46,052 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 06:17:46,069 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 06:17:46,095 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:17:46,095 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:17:46,096 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:17:46,096 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:17:46,096 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:17:46,096 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:17:46,096 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:17:46,096 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:17:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-20 06:17:46,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:17:46,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:17:46 BoogieIcfgContainer [2020-10-20 06:17:46,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:17:46,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:17:46,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:17:46,163 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:17:46,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:46" (3/4) ... [2020-10-20 06:17:46,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:17:46,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-20 06:17:46,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2020-10-20 06:17:46,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2020-10-20 06:17:46,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-20 06:17:46,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-20 06:17:46,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:17:46,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:17:46,272 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:17:46,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:17:46,275 INFO L168 Benchmark]: Toolchain (without parser) took 852.86 ms. Allocated memory was 34.6 MB in the beginning and 44.6 MB in the end (delta: 10.0 MB). Free memory was 16.6 MB in the beginning and 15.9 MB in the end (delta: 760.5 kB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:46,276 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 33.6 MB. Free memory was 10.8 MB in the beginning and 10.8 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. [2020-10-20 06:17:46,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.45 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 15.7 MB in the beginning and 25.9 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:46,278 INFO L168 Benchmark]: Boogie Preprocessor took 22.64 ms. Allocated memory is still 43.0 MB. Free memory was 25.9 MB in the beginning and 24.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:46,281 INFO L168 Benchmark]: RCFGBuilder took 246.23 ms. Allocated memory was 43.0 MB in the beginning and 44.6 MB in the end (delta: 1.6 MB). Free memory was 24.4 MB in the beginning and 25.3 MB in the end (delta: -921.4 kB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:46,282 INFO L168 Benchmark]: TraceAbstraction took 129.25 ms. Allocated memory is still 44.6 MB. Free memory was 24.9 MB in the beginning and 19.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:46,283 INFO L168 Benchmark]: Witness Printer took 110.26 ms. Allocated memory is still 44.6 MB. Free memory was 19.1 MB in the beginning and 15.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:46,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 33.6 MB. Free memory was 10.8 MB in the beginning and 10.8 MB in the end (delta: 43.9 kB). Peak memory consumption was 43.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 324.45 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 15.7 MB in the beginning and 25.9 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 22.64 ms. Allocated memory is still 43.0 MB. Free memory was 25.9 MB in the beginning and 24.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 246.23 ms. Allocated memory was 43.0 MB in the beginning and 44.6 MB in the end (delta: 1.6 MB). Free memory was 24.4 MB in the beginning and 25.3 MB in the end (delta: -921.4 kB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 129.25 ms. Allocated memory is still 44.6 MB. Free memory was 24.9 MB in the beginning and 19.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. * Witness Printer took 110.26 ms. Allocated memory is still 44.6 MB. Free memory was 19.1 MB in the beginning and 15.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 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 5 procedures, 29 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=29occurred 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...