./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Gothenburg_v2-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/Gothenburg_v2-1.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 d959d87e8172aff76494dbf660ada50d01fbaa81 ....................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:19:32,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:19:32,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:19:32,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:19:32,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:19:32,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:19:32,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:19:32,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:19:32,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:19:32,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:19:32,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:19:32,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:19:32,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:19:32,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:19:32,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:19:32,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:19:32,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:19:32,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:19:32,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:19:32,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:19:32,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:19:32,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:19:32,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:19:32,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:19:32,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:19:32,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:19:32,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:19:32,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:19:32,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:19:32,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:19:32,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:19:32,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:19:32,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:19:32,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:19:32,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:19:32,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:19:32,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:19:32,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:19:32,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:19:32,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:19:32,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:19:32,996 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-28 20:19:33,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:19:33,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:19:33,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:19:33,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:19:33,027 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:19:33,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:19:33,027 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:19:33,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:19:33,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:19:33,028 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:19:33,029 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:19:33,029 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:19:33,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:19:33,030 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:19:33,030 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:19:33,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:19:33,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:19:33,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:19:33,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:19:33,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:19:33,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:19:33,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:19:33,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:19:33,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:19:33,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:19:33,033 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 -> d959d87e8172aff76494dbf660ada50d01fbaa81 [2019-11-28 20:19:33,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:19:33,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:19:33,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:19:33,375 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:19:33,376 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:19:33,377 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Gothenburg_v2-1.c [2019-11-28 20:19:33,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49df18709/4ef2bd4f7c5a458c9645baf2b361e7e8/FLAG1735486cb [2019-11-28 20:19:33,928 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:19:33,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Gothenburg_v2-1.c [2019-11-28 20:19:33,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49df18709/4ef2bd4f7c5a458c9645baf2b361e7e8/FLAG1735486cb [2019-11-28 20:19:34,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49df18709/4ef2bd4f7c5a458c9645baf2b361e7e8 [2019-11-28 20:19:34,327 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:19:34,329 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:19:34,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:19:34,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:19:34,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:19:34,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:19:34" (1/1) ... [2019-11-28 20:19:34,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc06011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:34, skipping insertion in model container [2019-11-28 20:19:34,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:19:34" (1/1) ... [2019-11-28 20:19:34,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:19:34,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:19:34,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:19:34,587 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:19:34,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:19:34,619 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:19:34,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:34 WrapperNode [2019-11-28 20:19:34,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:19:34,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:19:34,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:19:34,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:19:34,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:34" (1/1) ... [2019-11-28 20:19:34,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:34" (1/1) ... [2019-11-28 20:19:34,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:34" (1/1) ... [2019-11-28 20:19:34,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:34" (1/1) ... [2019-11-28 20:19:34,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:34" (1/1) ... [2019-11-28 20:19:34,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:34" (1/1) ... [2019-11-28 20:19:34,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:34" (1/1) ... [2019-11-28 20:19:34,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:19:34,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:19:34,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:19:34,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:19:34,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:19:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:19:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:19:34,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:19:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:19:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:19:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:19:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:19:35,024 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:19:35,024 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 20:19:35,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:19:35 BoogieIcfgContainer [2019-11-28 20:19:35,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:19:35,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:19:35,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:19:35,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:19:35,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:19:34" (1/3) ... [2019-11-28 20:19:35,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8cf270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:19:35, skipping insertion in model container [2019-11-28 20:19:35,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:19:34" (2/3) ... [2019-11-28 20:19:35,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f8cf270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:19:35, skipping insertion in model container [2019-11-28 20:19:35,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:19:35" (3/3) ... [2019-11-28 20:19:35,038 INFO L109 eAbstractionObserver]: Analyzing ICFG Gothenburg_v2-1.c [2019-11-28 20:19:35,047 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:19:35,058 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-28 20:19:35,082 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-28 20:19:35,117 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:19:35,117 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:19:35,118 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:19:35,118 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:19:35,118 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:19:35,118 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:19:35,118 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:19:35,119 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:19:35,135 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-11-28 20:19:35,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 20:19:35,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:19:35 BoogieIcfgContainer [2019-11-28 20:19:35,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:19:35,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:19:35,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:19:35,155 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:19:35,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:19:35" (3/4) ... [2019-11-28 20:19:35,160 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 20:19:35,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 20:19:35,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 20:19:35,171 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-28 20:19:35,172 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 20:19:35,172 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 20:19:35,172 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 20:19:35,220 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:19:35,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:19:35,223 INFO L168 Benchmark]: Toolchain (without parser) took 893.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -144.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:19:35,224 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:19:35,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.81 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:19:35,225 INFO L168 Benchmark]: Boogie Preprocessor took 107.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:19:35,226 INFO L168 Benchmark]: RCFGBuilder took 298.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:19:35,228 INFO L168 Benchmark]: TraceAbstraction took 126.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:19:35,229 INFO L168 Benchmark]: Witness Printer took 65.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:19:35,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.81 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 298.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 126.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 65.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 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. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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...