./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Nyala-2lex-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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/Nyala-2lex-2.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 054e86c0b11592f66f6efc3e0f84c6f8bee49b59 ........................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 03:56:59,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:56:59,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:56:59,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:56:59,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:56:59,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:56:59,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:56:59,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:56:59,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:56:59,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:56:59,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:56:59,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:56:59,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:56:59,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:56:59,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:56:59,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:56:59,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:56:59,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:56:59,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:56:59,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:56:59,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:56:59,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:56:59,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:56:59,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:56:59,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:56:59,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:56:59,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:56:59,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:56:59,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:56:59,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:56:59,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:56:59,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:56:59,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:56:59,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:56:59,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:56:59,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:56:59,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:56:59,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:56:59,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:56:59,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:56:59,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:56:59,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-26 03:56:59,950 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:56:59,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:56:59,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:56:59,953 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:56:59,953 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:56:59,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:56:59,954 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 03:56:59,954 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:56:59,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:56:59,954 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-26 03:56:59,954 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-26 03:56:59,955 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-26 03:56:59,955 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:56:59,955 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-26 03:56:59,955 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:56:59,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:56:59,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:56:59,956 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:56:59,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:56:59,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:56:59,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:56:59,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:56:59,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 03:56:59,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 03:56:59,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:56:59,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 054e86c0b11592f66f6efc3e0f84c6f8bee49b59 [2020-10-26 03:57:00,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:57:00,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:57:00,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:57:00,375 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:57:00,379 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:57:00,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Nyala-2lex-2.c [2020-10-26 03:57:00,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80d4c1e2/ea4df0301ab44fc4b9c7f43649937e96/FLAG71bc303c5 [2020-10-26 03:57:01,129 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:57:01,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Nyala-2lex-2.c [2020-10-26 03:57:01,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80d4c1e2/ea4df0301ab44fc4b9c7f43649937e96/FLAG71bc303c5 [2020-10-26 03:57:01,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80d4c1e2/ea4df0301ab44fc4b9c7f43649937e96 [2020-10-26 03:57:01,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:57:01,524 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-26 03:57:01,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:57:01,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:57:01,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:57:01,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:57:01" (1/1) ... [2020-10-26 03:57:01,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4bb6c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:01, skipping insertion in model container [2020-10-26 03:57:01,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:57:01" (1/1) ... [2020-10-26 03:57:01,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:57:01,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:57:01,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:57:01,763 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 03:57:01,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 03:57:01,792 INFO L208 MainTranslator]: Completed translation [2020-10-26 03:57:01,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:01 WrapperNode [2020-10-26 03:57:01,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:57:01,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 03:57:01,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 03:57:01,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 03:57:01,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:01" (1/1) ... [2020-10-26 03:57:01,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:01" (1/1) ... [2020-10-26 03:57:01,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:01" (1/1) ... [2020-10-26 03:57:01,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:01" (1/1) ... [2020-10-26 03:57:01,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:01" (1/1) ... [2020-10-26 03:57:01,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:01" (1/1) ... [2020-10-26 03:57:01,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:01" (1/1) ... [2020-10-26 03:57:01,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 03:57:01,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 03:57:01,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 03:57:01,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 03:57:01,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:01" (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 [2020-10-26 03:57:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-26 03:57:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 03:57:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-26 03:57:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-26 03:57:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-26 03:57:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-26 03:57:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 03:57:02,087 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 03:57:02,087 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-26 03:57:02,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:57:02 BoogieIcfgContainer [2020-10-26 03:57:02,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 03:57:02,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 03:57:02,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 03:57:02,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 03:57:02,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 03:57:01" (1/3) ... [2020-10-26 03:57:02,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f754b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:57:02, skipping insertion in model container [2020-10-26 03:57:02,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:57:01" (2/3) ... [2020-10-26 03:57:02,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f754b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 03:57:02, skipping insertion in model container [2020-10-26 03:57:02,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:57:02" (3/3) ... [2020-10-26 03:57:02,098 INFO L111 eAbstractionObserver]: Analyzing ICFG Nyala-2lex-2.c [2020-10-26 03:57:02,117 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 03:57:02,123 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-26 03:57:02,138 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-26 03:57:02,166 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 03:57:02,167 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-26 03:57:02,167 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 03:57:02,167 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 03:57:02,167 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 03:57:02,167 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 03:57:02,168 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 03:57:02,168 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 03:57:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-10-26 03:57:02,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 03:57:02,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 03:57:02 BoogieIcfgContainer [2020-10-26 03:57:02,196 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 03:57:02,197 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 03:57:02,197 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 03:57:02,197 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 03:57:02,198 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 03:57:02" (3/4) ... [2020-10-26 03:57:02,202 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-26 03:57:02,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-26 03:57:02,210 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-26 03:57:02,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-26 03:57:02,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-26 03:57:02,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-26 03:57:02,255 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 03:57:02,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 03:57:02,257 INFO L168 Benchmark]: Toolchain (without parser) took 737.17 ms. Allocated memory is still 56.6 MB. Free memory was 34.0 MB in the beginning and 35.0 MB in the end (delta: -978.9 kB). Peak memory consumption was 322.4 kB. Max. memory is 16.1 GB. [2020-10-26 03:57:02,258 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 41.9 MB. Free memory was 20.3 MB in the beginning and 20.2 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:57:02,259 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.21 ms. Allocated memory is still 56.6 MB. Free memory was 33.3 MB in the beginning and 38.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-10-26 03:57:02,260 INFO L168 Benchmark]: Boogie Preprocessor took 29.09 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 36.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 03:57:02,260 INFO L168 Benchmark]: RCFGBuilder took 264.87 ms. Allocated memory is still 56.6 MB. Free memory was 36.9 MB in the beginning and 28.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-26 03:57:02,261 INFO L168 Benchmark]: TraceAbstraction took 105.13 ms. Allocated memory is still 56.6 MB. Free memory was 28.3 MB in the beginning and 37.5 MB in the end (delta: -9.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:57:02,262 INFO L168 Benchmark]: Witness Printer took 58.16 ms. Allocated memory is still 56.6 MB. Free memory was 37.3 MB in the beginning and 35.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 03:57:02,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 41.9 MB. Free memory was 20.3 MB in the beginning and 20.2 MB in the end (delta: 31.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 267.21 ms. Allocated memory is still 56.6 MB. Free memory was 33.3 MB in the beginning and 38.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.09 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 36.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 264.87 ms. Allocated memory is still 56.6 MB. Free memory was 36.9 MB in the beginning and 28.8 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 105.13 ms. Allocated memory is still 56.6 MB. Free memory was 28.3 MB in the beginning and 37.5 MB in the end (delta: -9.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 58.16 ms. Allocated memory is still 56.6 MB. Free memory was 37.3 MB in the beginning and 35.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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, 12 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=12occurred 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...