./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Gothenburg-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/Gothenburg-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 70b7927a0492d6be5caba90d696a196e2b22ba2a ....................................................................................................................................................................................................... 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 06:17:33,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:17:33,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:17:33,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:17:33,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:17:33,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:17:33,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:17:33,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:17:33,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:17:33,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:17:33,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:17:33,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:17:33,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:17:33,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:17:33,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:17:33,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:17:33,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:17:33,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:17:33,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:17:33,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:17:33,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:17:33,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:17:33,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:17:33,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:17:33,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:17:33,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:17:33,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:17:33,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:17:33,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:17:33,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:17:33,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:17:33,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:17:33,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:17:33,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:17:33,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:17:33,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:17:33,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:17:33,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:17:33,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:17:33,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:17:33,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:17:33,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:17:33,327 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:17:33,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:17:33,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:17:33,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:17:33,329 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:17:33,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:17:33,329 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:17:33,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:17:33,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:17:33,330 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:17:33,330 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:17:33,330 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:17:33,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:17:33,331 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:17:33,331 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:17:33,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:17:33,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:17:33,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:17:33,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:17:33,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:17:33,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:17:33,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:17:33,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:17:33,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:17:33,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:17:33,333 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 -> 70b7927a0492d6be5caba90d696a196e2b22ba2a [2020-10-20 06:17:33,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:17:33,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:17:33,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:17:33,552 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:17:33,553 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:17:33,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2020-10-20 06:17:33,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec859fb4d/882af39811af479e9881f86c80992246/FLAGf67233098 [2020-10-20 06:17:34,077 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:17:34,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Gothenburg-1.c [2020-10-20 06:17:34,084 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec859fb4d/882af39811af479e9881f86c80992246/FLAGf67233098 [2020-10-20 06:17:34,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec859fb4d/882af39811af479e9881f86c80992246 [2020-10-20 06:17:34,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:17:34,432 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:17:34,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:34,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:17:34,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:17:34,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:34" (1/1) ... [2020-10-20 06:17:34,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdc6dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:34, skipping insertion in model container [2020-10-20 06:17:34,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:34" (1/1) ... [2020-10-20 06:17:34,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:17:34,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:17:34,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:34,748 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:17:34,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:34,778 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:17:34,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:34 WrapperNode [2020-10-20 06:17:34,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:34,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:17:34,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:17:34,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:17:34,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:34" (1/1) ... [2020-10-20 06:17:34,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:34" (1/1) ... [2020-10-20 06:17:34,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:34" (1/1) ... [2020-10-20 06:17:34,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:34" (1/1) ... [2020-10-20 06:17:34,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:34" (1/1) ... [2020-10-20 06:17:34,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:34" (1/1) ... [2020-10-20 06:17:34,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:34" (1/1) ... [2020-10-20 06:17:34,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:17:34,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:17:34,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:17:34,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:17:34,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:34" (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 [2020-10-20 06:17:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:17:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:17:34,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:17:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:17:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:17:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:17:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:17:35,036 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:17:35,036 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-20 06:17:35,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:35 BoogieIcfgContainer [2020-10-20 06:17:35,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:17:35,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:17:35,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:17:35,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:17:35,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:17:34" (1/3) ... [2020-10-20 06:17:35,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56789495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:35, skipping insertion in model container [2020-10-20 06:17:35,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:34" (2/3) ... [2020-10-20 06:17:35,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56789495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:35, skipping insertion in model container [2020-10-20 06:17:35,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:35" (3/3) ... [2020-10-20 06:17:35,048 INFO L111 eAbstractionObserver]: Analyzing ICFG Gothenburg-1.c [2020-10-20 06:17:35,060 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:17:35,066 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 06:17:35,076 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 06:17:35,096 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:17:35,096 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:17:35,096 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:17:35,096 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:17:35,096 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:17:35,096 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:17:35,097 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:17:35,097 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:17:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-10-20 06:17:35,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:17:35,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:17:35 BoogieIcfgContainer [2020-10-20 06:17:35,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:17:35,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:17:35,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:17:35,125 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:17:35,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:35" (3/4) ... [2020-10-20 06:17:35,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:17:35,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-20 06:17:35,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-20 06:17:35,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-10-20 06:17:35,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-20 06:17:35,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:17:35,142 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:17:35,185 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:17:35,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:17:35,188 INFO L168 Benchmark]: Toolchain (without parser) took 758.89 ms. Allocated memory was 33.6 MB in the beginning and 44.0 MB in the end (delta: 10.5 MB). Free memory was 11.9 MB in the beginning and 12.8 MB in the end (delta: -897.7 kB). Peak memory consumption was 9.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:35,189 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 31.5 MB. Free memory was 16.9 MB in the beginning and 16.8 MB in the end (delta: 80.5 kB). Peak memory consumption was 80.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:17:35,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.91 ms. Allocated memory was 33.6 MB in the beginning and 42.5 MB in the end (delta: 8.9 MB). Free memory was 11.0 MB in the beginning and 22.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:35,190 INFO L168 Benchmark]: Boogie Preprocessor took 23.74 ms. Allocated memory is still 42.5 MB. Free memory was 22.1 MB in the beginning and 20.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:35,191 INFO L168 Benchmark]: RCFGBuilder took 235.30 ms. Allocated memory was 42.5 MB in the beginning and 44.0 MB in the end (delta: 1.6 MB). Free memory was 20.4 MB in the beginning and 22.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:35,192 INFO L168 Benchmark]: TraceAbstraction took 84.68 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:35,192 INFO L168 Benchmark]: Witness Printer took 60.59 ms. Allocated memory is still 44.0 MB. Free memory was 16.2 MB in the beginning and 12.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:35,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 31.5 MB. Free memory was 16.9 MB in the beginning and 16.8 MB in the end (delta: 80.5 kB). Peak memory consumption was 80.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 345.91 ms. Allocated memory was 33.6 MB in the beginning and 42.5 MB in the end (delta: 8.9 MB). Free memory was 11.0 MB in the beginning and 22.1 MB in the end (delta: -11.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 23.74 ms. Allocated memory is still 42.5 MB. Free memory was 22.1 MB in the beginning and 20.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 235.30 ms. Allocated memory was 42.5 MB in the beginning and 44.0 MB in the end (delta: 1.6 MB). Free memory was 20.4 MB in the beginning and 22.0 MB in the end (delta: -1.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 84.68 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 14.3 GB. * Witness Printer took 60.59 ms. Allocated memory is still 44.0 MB. Free memory was 16.2 MB in the beginning and 12.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 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...