./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 509859d6 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 0.1.24-509859d [2019-11-27 17:46:50,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:50,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:50,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:50,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:50,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:50,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:50,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:50,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:50,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:50,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:50,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:50,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:50,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:50,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:50,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:50,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:50,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:50,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:50,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:50,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:50,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:50,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:50,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:50,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:50,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:50,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:50,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:50,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:50,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:50,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:50,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:50,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:50,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:50,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:50,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:50,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:50,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:50,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:50,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:50,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:50,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 17:46:50,862 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:50,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:50,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:50,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:50,873 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:50,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:50,874 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:50,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:50,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:50,874 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:50,876 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:50,876 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:50,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:50,878 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:50,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:50,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:50,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:50,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:50,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:50,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:50,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:50,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:50,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:50,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:50,885 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 [2019-11-27 17:46:51,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:51,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:51,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:51,516 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:51,521 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:51,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Thun-2.c [2019-11-27 17:46:51,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803921a58/fbb742af7e5f41a4bc2ba016463ccf81/FLAG7ede9c855 [2019-11-27 17:46:52,678 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:52,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Thun-2.c [2019-11-27 17:46:52,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803921a58/fbb742af7e5f41a4bc2ba016463ccf81/FLAG7ede9c855 [2019-11-27 17:46:52,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/803921a58/fbb742af7e5f41a4bc2ba016463ccf81 [2019-11-27 17:46:52,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:52,874 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:52,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:52,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:52,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:52,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:52" (1/1) ... [2019-11-27 17:46:52,901 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 27.11 05:46:52, skipping insertion in model container [2019-11-27 17:46:52,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:52" (1/1) ... [2019-11-27 17:46:52,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:52,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:53,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:53,417 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:53,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:53,493 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:53,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:53 WrapperNode [2019-11-27 17:46:53,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:53,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:53,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:53,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:53,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:53" (1/1) ... [2019-11-27 17:46:53,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:53" (1/1) ... [2019-11-27 17:46:53,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:53" (1/1) ... [2019-11-27 17:46:53,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:53" (1/1) ... [2019-11-27 17:46:53,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:53" (1/1) ... [2019-11-27 17:46:53,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:53" (1/1) ... [2019-11-27 17:46:53,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:53" (1/1) ... [2019-11-27 17:46:53,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:53,730 INFO L168 Benchmark]: Toolchain (without parser) took 850.74 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 991.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:53,732 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-27 17:46:53,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.39 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. [2019-11-27 17:46:53,742 INFO L168 Benchmark]: Boogie Preprocessor took 222.94 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 991.4 MB in the end (delta: -35.4 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:53,751 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 619.39 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 222.94 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 991.4 MB in the end (delta: -35.4 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 0.1.24-509859d [2019-11-27 17:46:57,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:57,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:57,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:57,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:57,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:57,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:57,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:57,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:57,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:57,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:57,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:57,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:57,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:57,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:57,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:57,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:57,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:57,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:57,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:57,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:57,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:57,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:57,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:57,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:57,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:57,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:57,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:57,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:57,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:57,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:57,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:57,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:57,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:57,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:57,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:57,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:57,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:57,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:57,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:57,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:57,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 17:46:57,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:57,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:57,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:57,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:57,593 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:57,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:57,596 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:57,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:57,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:57,597 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:57,598 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:57,599 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:57,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:57,601 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:57,602 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:57,602 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:57,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:57,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:57,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:57,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:57,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:57,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:57,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:57,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:57,608 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:57,608 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:57,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:57,608 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 [2019-11-27 17:46:58,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:58,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:58,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:58,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:58,169 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:58,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Thun-2.c [2019-11-27 17:46:58,330 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44efc15f7/1e3813d05bb045838e1ce1e6ca75744e/FLAG469c376cd [2019-11-27 17:46:59,367 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:59,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Thun-2.c [2019-11-27 17:46:59,386 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44efc15f7/1e3813d05bb045838e1ce1e6ca75744e/FLAG469c376cd [2019-11-27 17:46:59,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44efc15f7/1e3813d05bb045838e1ce1e6ca75744e [2019-11-27 17:46:59,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:59,440 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:59,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:59,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:59,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:59,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:59" (1/1) ... [2019-11-27 17:46:59,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48265ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:59, skipping insertion in model container [2019-11-27 17:46:59,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:59" (1/1) ... [2019-11-27 17:46:59,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:59,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:59,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:59,978 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:00,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:00,059 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:00,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:00 WrapperNode [2019-11-27 17:47:00,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:00,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:00,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:00,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:00,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:00" (1/1) ... [2019-11-27 17:47:00,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:00" (1/1) ... [2019-11-27 17:47:00,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:00" (1/1) ... [2019-11-27 17:47:00,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:00" (1/1) ... [2019-11-27 17:47:00,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:00" (1/1) ... [2019-11-27 17:47:00,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:00" (1/1) ... [2019-11-27 17:47:00,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:00" (1/1) ... [2019-11-27 17:47:00,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:00,245 INFO L168 Benchmark]: Toolchain (without parser) took 800.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:00,246 INFO L168 Benchmark]: CDTParser took 2.15 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. [2019-11-27 17:47:00,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:00,253 INFO L168 Benchmark]: Boogie Preprocessor took 171.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:00,262 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.15 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 619.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 171.48 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 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...