./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.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/TelAviv-Amir-Minimum.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 687269bb6882b72a3d48999f1e5c55a1d5283a94 ...................................................................................................................................................................................................... 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 06:17:59,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:17:59,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:17:59,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:17:59,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:17:59,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:17:59,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:17:59,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:17:59,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:17:59,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:17:59,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:17:59,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:17:59,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:17:59,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:17:59,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:17:59,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:17:59,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:17:59,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:17:59,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:17:59,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:17:59,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:17:59,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:17:59,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:17:59,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:17:59,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:17:59,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:17:59,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:17:59,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:17:59,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:17:59,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:17:59,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:17:59,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:17:59,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:17:59,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:17:59,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:17:59,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:17:59,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:17:59,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:17:59,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:17:59,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:17:59,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:17:59,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:18:00,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:18:00,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:18:00,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:18:00,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:18:00,005 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:18:00,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:18:00,006 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:18:00,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:18:00,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:18:00,006 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:18:00,007 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:18:00,007 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:18:00,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:18:00,007 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:18:00,007 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:18:00,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:18:00,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:18:00,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:18:00,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:18:00,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:18:00,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:18:00,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:18:00,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:18:00,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:18:00,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:18:00,009 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 -> 687269bb6882b72a3d48999f1e5c55a1d5283a94 [2020-10-20 06:18:00,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:18:00,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:18:00,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:18:00,247 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:18:00,248 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:18:00,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c [2020-10-20 06:18:00,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae34140d/1fcc525635014f5ba4664b7623c3417e/FLAGbb8ab4ee9 [2020-10-20 06:18:00,734 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:18:00,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/TelAviv-Amir-Minimum.c [2020-10-20 06:18:00,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae34140d/1fcc525635014f5ba4664b7623c3417e/FLAGbb8ab4ee9 [2020-10-20 06:18:01,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae34140d/1fcc525635014f5ba4664b7623c3417e [2020-10-20 06:18:01,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:18:01,080 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:18:01,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:18:01,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:18:01,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:18:01,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:18:01" (1/1) ... [2020-10-20 06:18:01,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@292cd4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:18:01, skipping insertion in model container [2020-10-20 06:18:01,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:18:01" (1/1) ... [2020-10-20 06:18:01,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:18:01,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:18:01,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:18:01,406 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:18:01,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:18:01,436 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:18:01,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:18:01 WrapperNode [2020-10-20 06:18:01,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:18:01,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:18:01,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:18:01,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:18:01,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:18:01" (1/1) ... [2020-10-20 06:18:01,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:18:01" (1/1) ... [2020-10-20 06:18:01,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:18:01" (1/1) ... [2020-10-20 06:18:01,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:18:01" (1/1) ... [2020-10-20 06:18:01,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:18:01" (1/1) ... [2020-10-20 06:18:01,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:18:01" (1/1) ... [2020-10-20 06:18:01,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:18:01" (1/1) ... [2020-10-20 06:18:01,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:18:01,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:18:01,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:18:01,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:18:01,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:18:01" (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 06:18:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:18:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:18:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:18:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:18:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:18:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:18:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:18:01,692 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:18:01,692 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-20 06:18:01,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:18:01 BoogieIcfgContainer [2020-10-20 06:18:01,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:18:01,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:18:01,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:18:01,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:18:01,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:18:01" (1/3) ... [2020-10-20 06:18:01,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4025ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:18:01, skipping insertion in model container [2020-10-20 06:18:01,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:18:01" (2/3) ... [2020-10-20 06:18:01,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4025ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:18:01, skipping insertion in model container [2020-10-20 06:18:01,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:18:01" (3/3) ... [2020-10-20 06:18:01,703 INFO L111 eAbstractionObserver]: Analyzing ICFG TelAviv-Amir-Minimum.c [2020-10-20 06:18:01,713 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:18:01,720 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 06:18:01,733 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 06:18:01,753 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:18:01,753 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:18:01,753 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:18:01,754 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:18:01,754 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:18:01,754 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:18:01,754 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:18:01,754 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:18:01,766 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-10-20 06:18:01,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:18:01,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:18:01 BoogieIcfgContainer [2020-10-20 06:18:01,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:18:01,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:18:01,778 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:18:01,778 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:18:01,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:18:01" (3/4) ... [2020-10-20 06:18:01,782 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:18:01,787 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-20 06:18:01,788 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-20 06:18:01,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 06:18:01,792 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:18:01,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:18:01,837 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:18:01,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:18:01,840 INFO L168 Benchmark]: Toolchain (without parser) took 764.58 ms. Allocated memory was 34.1 MB in the beginning and 44.0 MB in the end (delta: 10.0 MB). Free memory was 11.7 MB in the beginning and 13.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:18:01,840 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 33.0 MB. Free memory is still 18.0 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:18:01,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.99 ms. Allocated memory was 34.1 MB in the beginning and 43.0 MB in the end (delta: 8.9 MB). Free memory was 10.9 MB in the beginning and 23.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:18:01,842 INFO L168 Benchmark]: Boogie Preprocessor took 26.86 ms. Allocated memory is still 43.0 MB. Free memory was 23.8 MB in the beginning and 22.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:18:01,843 INFO L168 Benchmark]: RCFGBuilder took 229.81 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 22.2 MB in the beginning and 22.1 MB in the end (delta: 68.5 kB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:18:01,844 INFO L168 Benchmark]: TraceAbstraction took 81.71 ms. Allocated memory is still 44.0 MB. Free memory was 21.6 MB in the beginning and 16.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:18:01,844 INFO L168 Benchmark]: Witness Printer took 59.80 ms. Allocated memory is still 44.0 MB. Free memory was 16.2 MB in the beginning and 13.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:18:01,848 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 33.0 MB. Free memory is still 18.0 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 355.99 ms. Allocated memory was 34.1 MB in the beginning and 43.0 MB in the end (delta: 8.9 MB). Free memory was 10.9 MB in the beginning and 23.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 26.86 ms. Allocated memory is still 43.0 MB. Free memory was 23.8 MB in the beginning and 22.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 229.81 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 22.2 MB in the beginning and 22.1 MB in the end (delta: 68.5 kB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 81.71 ms. Allocated memory is still 44.0 MB. Free memory was 21.6 MB in the beginning and 16.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. * Witness Printer took 59.80 ms. Allocated memory is still 44.0 MB. Free memory was 16.2 MB in the beginning and 13.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 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, 16 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=16occurred 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...