./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Thun-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 Using bit-precise analysis Retrying with bit-precise analysis 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/Thun-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.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 840ba140d54545c25f92f53e7838cceec95e9821 ....................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-19 22:16:22,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:16:22,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:16:22,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:16:22,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:16:22,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:16:22,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:16:22,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:16:22,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:16:22,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:16:22,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:16:22,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:16:22,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:16:22,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:16:22,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:16:22,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:16:22,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:16:22,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:16:22,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:16:22,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:16:22,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:16:22,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:16:22,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:16:22,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:16:22,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:16:22,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:16:22,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:16:22,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:16:22,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:16:22,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:16:22,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:16:22,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:16:22,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:16:22,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:16:22,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:16:22,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:16:22,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:16:22,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:16:22,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:16:22,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:16:22,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:16:22,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-19 22:16:22,579 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:16:22,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:16:22,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:16:22,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:16:22,582 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:16:22,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:16:22,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:16:22,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:16:22,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:16:22,584 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-19 22:16:22,584 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-19 22:16:22,584 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-19 22:16:22,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:16:22,585 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 22:16:22,585 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 22:16:22,586 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:16:22,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:16:22,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:16:22,587 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:16:22,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:16:22,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:16:22,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:16:22,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:16:22,588 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 22:16:22,589 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 22:16:22,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 22:16:22,589 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 840ba140d54545c25f92f53e7838cceec95e9821 [2019-11-19 22:16:22,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:16:22,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:16:22,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:16:22,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:16:22,949 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:16:22,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Thun-2.c [2019-11-19 22:16:23,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39c0e1cbe/746ba3fa960b4ef98e49aa38a9a775ff/FLAGedb9a457c [2019-11-19 22:16:23,515 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:16:23,516 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Thun-2.c [2019-11-19 22:16:23,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39c0e1cbe/746ba3fa960b4ef98e49aa38a9a775ff/FLAGedb9a457c [2019-11-19 22:16:23,880 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39c0e1cbe/746ba3fa960b4ef98e49aa38a9a775ff [2019-11-19 22:16:23,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:16:23,886 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-19 22:16:23,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:16:23,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:16:23,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:16:23,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:16:23" (1/1) ... [2019-11-19 22:16:23,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4abddd2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:23, skipping insertion in model container [2019-11-19 22:16:23,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:16:23" (1/1) ... [2019-11-19 22:16:23,905 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:16:23,935 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:16:24,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:16:24,189 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:16:24,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:16:24,227 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:16:24,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:24 WrapperNode [2019-11-19 22:16:24,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:16:24,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:16:24,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:16:24,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:16:24,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:24" (1/1) ... [2019-11-19 22:16:24,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:24" (1/1) ... [2019-11-19 22:16:24,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:24" (1/1) ... [2019-11-19 22:16:24,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:24" (1/1) ... [2019-11-19 22:16:24,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:24" (1/1) ... [2019-11-19 22:16:24,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:24" (1/1) ... [2019-11-19 22:16:24,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:24" (1/1) ... [2019-11-19 22:16:24,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:16:24,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:16:24,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:16:24,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:16:24,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:24" (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 [2019-11-19 22:16:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-19 22:16:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:16:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-19 22:16:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-19 22:16:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-19 22:16:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-19 22:16:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:16:24,560 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:16:24,560 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-19 22:16:24,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:16:24 BoogieIcfgContainer [2019-11-19 22:16:24,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:16:24,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:16:24,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:16:24,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:16:24,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:16:23" (1/3) ... [2019-11-19 22:16:24,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155596e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:16:24, skipping insertion in model container [2019-11-19 22:16:24,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:24" (2/3) ... [2019-11-19 22:16:24,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155596e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:16:24, skipping insertion in model container [2019-11-19 22:16:24,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:16:24" (3/3) ... [2019-11-19 22:16:24,571 INFO L109 eAbstractionObserver]: Analyzing ICFG Thun-2.c [2019-11-19 22:16:24,581 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:16:24,588 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-19 22:16:24,599 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-19 22:16:24,620 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:16:24,621 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-19 22:16:24,621 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:16:24,621 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:16:24,621 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:16:24,621 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:16:24,622 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:16:24,622 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:16:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-11-19 22:16:24,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:16:24,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:16:24 BoogieIcfgContainer [2019-11-19 22:16:24,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:16:24,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:16:24,652 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:16:24,652 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:16:24,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:16:24" (3/4) ... [2019-11-19 22:16:24,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:16:24,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-19 22:16:24,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-19 22:16:24,670 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 22:16:24,670 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:16:24,671 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 22:16:24,715 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:16:24,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:16:24,718 INFO L168 Benchmark]: Toolchain (without parser) took 831.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:16:24,719 INFO L168 Benchmark]: CDTParser took 0.27 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. [2019-11-19 22:16:24,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.26 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:16:24,720 INFO L168 Benchmark]: Boogie Preprocessor took 95.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:16:24,721 INFO L168 Benchmark]: RCFGBuilder took 237.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:16:24,722 INFO L168 Benchmark]: TraceAbstraction took 87.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:16:24,723 INFO L168 Benchmark]: Witness Printer took 64.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:16:24,726 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 340.26 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -155.0 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 237.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 87.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 64.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. 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, 13 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=13occurred 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...