./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.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_1d.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 0837a1e1d82be1b28ccf3514392f1b01c88a9160 ............................................................................................................................................................................................................ 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 06:17:46,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:17:46,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:17:46,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:17:46,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:17:46,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:17:46,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:17:46,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:17:46,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:17:46,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:17:46,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:17:46,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:17:46,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:17:46,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:17:46,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:17:46,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:17:46,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:17:46,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:17:46,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:17:46,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:17:46,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:17:46,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:17:46,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:17:46,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:17:46,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:17:46,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:17:46,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:17:46,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:17:46,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:17:46,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:17:46,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:17:46,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:17:46,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:17:46,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:17:46,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:17:46,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:17:46,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:17:46,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:17:46,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:17:46,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:17:46,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:17:46,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:17:46,425 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:17:46,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:17:46,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:17:46,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:17:46,429 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:17:46,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:17:46,429 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:17:46,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:17:46,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:17:46,430 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:17:46,431 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:17:46,431 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:17:46,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:17:46,432 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:17:46,432 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:17:46,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:17:46,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:17:46,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:17:46,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:17:46,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:17:46,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:17:46,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:17:46,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:17:46,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:17:46,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:17:46,434 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 -> 0837a1e1d82be1b28ccf3514392f1b01c88a9160 [2020-10-20 06:17:46,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:17:46,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:17:46,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:17:46,664 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:17:46,664 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:17:46,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c [2020-10-20 06:17:46,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b7bd5ac/6492f354a0d941e1adc0e9a59f714ad0/FLAG01bffa046 [2020-10-20 06:17:47,191 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:17:47,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c [2020-10-20 06:17:47,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b7bd5ac/6492f354a0d941e1adc0e9a59f714ad0/FLAG01bffa046 [2020-10-20 06:17:47,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05b7bd5ac/6492f354a0d941e1adc0e9a59f714ad0 [2020-10-20 06:17:47,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:17:47,621 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:17:47,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:47,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:17:47,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:17:47,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:47" (1/1) ... [2020-10-20 06:17:47,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524c29ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:47, skipping insertion in model container [2020-10-20 06:17:47,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:47" (1/1) ... [2020-10-20 06:17:47,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:17:47,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:17:47,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:47,934 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:17:47,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:47,966 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:17:47,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:47 WrapperNode [2020-10-20 06:17:47,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:47,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:17:47,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:17:47,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:17:47,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:47" (1/1) ... [2020-10-20 06:17:47,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:47" (1/1) ... [2020-10-20 06:17:47,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:47" (1/1) ... [2020-10-20 06:17:47,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:47" (1/1) ... [2020-10-20 06:17:47,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:47" (1/1) ... [2020-10-20 06:17:47,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:47" (1/1) ... [2020-10-20 06:17:47,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:47" (1/1) ... [2020-10-20 06:17:47,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:17:47,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:17:47,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:17:47,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:17:48,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:47" (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 06:17:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:17:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:17:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2020-10-20 06:17:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2020-10-20 06:17:48,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:17:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:17:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2020-10-20 06:17:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2020-10-20 06:17:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:17:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:17:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:17:48,251 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:17:48,251 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-20 06:17:48,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:48 BoogieIcfgContainer [2020-10-20 06:17:48,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:17:48,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:17:48,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:17:48,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:17:48,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:17:47" (1/3) ... [2020-10-20 06:17:48,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d31e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:48, skipping insertion in model container [2020-10-20 06:17:48,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:47" (2/3) ... [2020-10-20 06:17:48,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34d31e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:48, skipping insertion in model container [2020-10-20 06:17:48,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:48" (3/3) ... [2020-10-20 06:17:48,278 INFO L111 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1d.c [2020-10-20 06:17:48,287 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:17:48,294 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 06:17:48,308 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 06:17:48,327 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:17:48,327 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:17:48,327 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:17:48,327 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:17:48,327 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:17:48,328 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:17:48,328 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:17:48,328 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:17:48,341 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-20 06:17:48,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:17:48,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:17:48 BoogieIcfgContainer [2020-10-20 06:17:48,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:17:48,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:17:48,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:17:48,355 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:17:48,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:48" (3/4) ... [2020-10-20 06:17:48,359 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:17:48,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-20 06:17:48,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2020-10-20 06:17:48,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2020-10-20 06:17:48,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-20 06:17:48,371 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-20 06:17:48,371 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:17:48,371 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:17:48,419 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:17:48,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:17:48,422 INFO L168 Benchmark]: Toolchain (without parser) took 805.00 ms. Allocated memory was 33.0 MB in the beginning and 44.6 MB in the end (delta: 11.5 MB). Free memory was 6.1 MB in the beginning and 19.3 MB in the end (delta: -13.2 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:17:48,423 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 32.5 MB. Free memory was 11.5 MB in the beginning and 11.5 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:17:48,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.00 ms. Allocated memory was 33.0 MB in the beginning and 43.5 MB in the end (delta: 10.5 MB). Free memory was 5.3 MB in the beginning and 26.9 MB in the end (delta: -21.6 MB). Peak memory consumption was 4.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:48,424 INFO L168 Benchmark]: Boogie Preprocessor took 30.44 ms. Allocated memory is still 43.5 MB. Free memory was 26.9 MB in the beginning and 25.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:48,425 INFO L168 Benchmark]: RCFGBuilder took 254.74 ms. Allocated memory is still 43.5 MB. Free memory was 25.3 MB in the beginning and 14.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:48,426 INFO L168 Benchmark]: TraceAbstraction took 100.06 ms. Allocated memory was 43.5 MB in the beginning and 44.6 MB in the end (delta: 1.0 MB). Free memory was 13.8 MB in the beginning and 22.8 MB in the end (delta: -9.0 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:17:48,426 INFO L168 Benchmark]: Witness Printer took 64.91 ms. Allocated memory is still 44.6 MB. Free memory was 22.6 MB in the beginning and 19.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:48,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 32.5 MB. Free memory was 11.5 MB in the beginning and 11.5 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 345.00 ms. Allocated memory was 33.0 MB in the beginning and 43.5 MB in the end (delta: 10.5 MB). Free memory was 5.3 MB in the beginning and 26.9 MB in the end (delta: -21.6 MB). Peak memory consumption was 4.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 30.44 ms. Allocated memory is still 43.5 MB. Free memory was 26.9 MB in the beginning and 25.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 254.74 ms. Allocated memory is still 43.5 MB. Free memory was 25.3 MB in the beginning and 14.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 100.06 ms. Allocated memory was 43.5 MB in the beginning and 44.6 MB in the end (delta: 1.0 MB). Free memory was 13.8 MB in the beginning and 22.8 MB in the end (delta: -9.0 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 64.91 ms. Allocated memory is still 44.6 MB. Free memory was 22.6 MB in the beginning and 19.3 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...