./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 65d6cd23 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_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 840ba140d54545c25f92f53e7838cceec95e9821 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally 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: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:29:01,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:29:01,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:29:01,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:29:01,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:29:01,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:29:01,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:29:01,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:29:01,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:29:01,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:29:01,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:29:01,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:29:01,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:29:01,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:29:01,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:29:01,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:29:01,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:29:01,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:29:01,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:29:01,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:29:01,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:29:01,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:29:01,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:29:01,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:29:01,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:29:01,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:29:01,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:29:01,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:29:01,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:29:01,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:29:01,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:29:01,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:29:01,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:29:01,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:29:01,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:29:01,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:29:01,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:29:01,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:29:01,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:29:01,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:29:01,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:29:01,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 00:29:01,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:29:01,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:29:01,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:29:01,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:29:01,884 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:29:01,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:29:01,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:29:01,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:29:01,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:29:01,885 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:29:01,886 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:29:01,886 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:29:01,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:29:01,887 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:29:01,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:29:01,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:29:01,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:29:01,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:29:01,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:29:01,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:29:01,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:29:01,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:29:01,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:29:01,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:29:01,892 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 -> 840ba140d54545c25f92f53e7838cceec95e9821 [2019-11-26 00:29:02,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:29:02,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:29:02,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:29:02,529 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:29:02,533 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:29:02,534 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Thun-2.c [2019-11-26 00:29:02,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1696b22af/15a22d4eb04746cc9c8f5a1ea25c8639/FLAGa44677ac9 [2019-11-26 00:29:03,658 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:29:03,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Thun-2.c [2019-11-26 00:29:03,680 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1696b22af/15a22d4eb04746cc9c8f5a1ea25c8639/FLAGa44677ac9 [2019-11-26 00:29:03,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1696b22af/15a22d4eb04746cc9c8f5a1ea25c8639 [2019-11-26 00:29:03,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:29:03,868 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:29:03,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:03,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:29:03,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:29:03,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:03" (1/1) ... [2019-11-26 00:29:03,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216a4388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:03, skipping insertion in model container [2019-11-26 00:29:03,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:03" (1/1) ... [2019-11-26 00:29:03,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:29:03,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:29:04,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:04,387 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:29:04,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:04,447 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:29:04,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:04 WrapperNode [2019-11-26 00:29:04,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:04,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:29:04,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:29:04,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:29:04,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:04" (1/1) ... [2019-11-26 00:29:04,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:04" (1/1) ... [2019-11-26 00:29:04,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:04" (1/1) ... [2019-11-26 00:29:04,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:04" (1/1) ... [2019-11-26 00:29:04,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:04" (1/1) ... [2019-11-26 00:29:04,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:04" (1/1) ... [2019-11-26 00:29:04,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:04" (1/1) ... [2019-11-26 00:29:04,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:29:04,629 INFO L168 Benchmark]: Toolchain (without parser) took 757.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 991.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:04,631 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:04,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.38 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:04,641 INFO L168 Benchmark]: Boogie Preprocessor took 167.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 991.4 MB in the end (delta: -39.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:04,653 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 579.38 ms. Allocated memory is still 1.0 GB. Free memory was 963.1 MB in the beginning and 951.7 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 167.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 951.7 MB in the beginning and 991.4 MB in the end (delta: -39.7 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:29:08,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:29:08,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:29:08,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:29:08,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:29:08,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:29:08,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:29:08,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:29:08,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:29:08,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:29:08,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:29:08,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:29:08,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:29:08,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:29:08,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:29:08,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:29:08,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:29:08,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:29:08,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:29:08,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:29:08,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:29:08,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:29:08,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:29:08,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:29:08,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:29:08,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:29:08,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:29:08,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:29:08,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:29:08,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:29:08,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:29:08,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:29:08,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:29:08,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:29:08,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:29:08,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:29:08,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:29:08,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:29:08,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:29:08,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:29:08,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:29:08,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 00:29:08,651 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:29:08,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:29:08,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:29:08,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:29:08,659 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:29:08,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:29:08,660 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:29:08,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:29:08,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:29:08,664 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:29:08,665 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:29:08,665 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:29:08,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:29:08,666 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:29:08,667 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:29:08,667 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:29:08,667 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:29:08,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:29:08,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:29:08,671 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:29:08,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:29:08,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:29:08,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:29:08,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:29:08,673 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:29:08,673 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:29:08,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:29:08,674 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 [2019-11-26 00:29:09,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:29:09,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:29:09,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:29:09,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:29:09,307 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:29:09,308 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Thun-2.c [2019-11-26 00:29:09,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a063a88/e5021f5b8e864ac58c44e62e78302e19/FLAGa4233459c [2019-11-26 00:29:10,501 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:29:10,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Thun-2.c [2019-11-26 00:29:10,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a063a88/e5021f5b8e864ac58c44e62e78302e19/FLAGa4233459c [2019-11-26 00:29:10,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a063a88/e5021f5b8e864ac58c44e62e78302e19 [2019-11-26 00:29:10,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:29:10,570 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:29:10,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:10,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:29:10,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:29:10,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:10" (1/1) ... [2019-11-26 00:29:10,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:10, skipping insertion in model container [2019-11-26 00:29:10,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:10" (1/1) ... [2019-11-26 00:29:10,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:29:10,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:29:11,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:11,083 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:29:11,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:11,149 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:29:11,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:11 WrapperNode [2019-11-26 00:29:11,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:11,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:29:11,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:29:11,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:29:11,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:11" (1/1) ... [2019-11-26 00:29:11,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:11" (1/1) ... [2019-11-26 00:29:11,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:11" (1/1) ... [2019-11-26 00:29:11,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:11" (1/1) ... [2019-11-26 00:29:11,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:11" (1/1) ... [2019-11-26 00:29:11,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:11" (1/1) ... [2019-11-26 00:29:11,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:11" (1/1) ... [2019-11-26 00:29:11,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:29:11,341 INFO L168 Benchmark]: Toolchain (without parser) took 766.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:11,344 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:11,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.10 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:11,351 INFO L168 Benchmark]: Boogie Preprocessor took 178.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:11,361 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 576.10 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 991.2 MB in the end (delta: -35.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...