./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext3/derefInLoop1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/memsafety-ext3/derefInLoop1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash aa3ae4378a5284e50be7191d52900376e96b0fdc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/memsafety-ext3/derefInLoop1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 32bit --witnessprinter.graph.data.programhash aa3ae4378a5284e50be7191d52900376e96b0fdc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:46:14,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:14,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:14,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:14,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:14,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:14,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:14,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:14,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:14,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:14,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:14,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:14,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:14,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:14,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:14,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:14,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:14,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:14,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:14,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:14,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:14,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:14,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:14,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:14,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:14,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:14,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:14,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:14,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:14,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:14,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:14,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:14,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:14,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:14,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:14,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:14,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:14,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:14,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:14,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:14,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:14,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:46:14,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:14,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:14,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:14,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:14,943 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:14,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:14,943 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:14,943 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:14,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:14,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:14,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:14,945 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:14,945 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:14,946 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:14,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:14,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:14,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:14,948 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:14,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:14,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:14,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:14,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:14,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:14,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:14,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:14,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:14,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:14,951 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3ae4378a5284e50be7191d52900376e96b0fdc [2019-11-27 17:46:15,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:15,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:15,398 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:15,401 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:15,403 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:15,404 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/derefInLoop1.c [2019-11-27 17:46:15,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc90fa1f/7927351d2ba943c8ab55a5a096c989ba/FLAGd1d35900d [2019-11-27 17:46:16,252 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:16,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/derefInLoop1.c [2019-11-27 17:46:16,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc90fa1f/7927351d2ba943c8ab55a5a096c989ba/FLAGd1d35900d [2019-11-27 17:46:16,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dc90fa1f/7927351d2ba943c8ab55a5a096c989ba [2019-11-27 17:46:16,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:16,599 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:16,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:16,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:16,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:16,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:16" (1/1) ... [2019-11-27 17:46:16,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47670154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:16, skipping insertion in model container [2019-11-27 17:46:16,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:16" (1/1) ... [2019-11-27 17:46:16,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:16,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:16,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:17,016 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:17,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:17,074 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:17,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:17 WrapperNode [2019-11-27 17:46:17,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:17,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:17,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:17,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:17,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:17" (1/1) ... [2019-11-27 17:46:17,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:17" (1/1) ... [2019-11-27 17:46:17,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:17" (1/1) ... [2019-11-27 17:46:17,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:17" (1/1) ... [2019-11-27 17:46:17,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:17" (1/1) ... [2019-11-27 17:46:17,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:17" (1/1) ... [2019-11-27 17:46:17,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:17" (1/1) ... [2019-11-27 17:46:17,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:17,229 INFO L168 Benchmark]: Toolchain (without parser) took 625.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.4 MB in the end (delta: -25.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:17,231 INFO L168 Benchmark]: CDTParser took 1.28 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 17:46:17,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.84 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:17,236 INFO L168 Benchmark]: Boogie Preprocessor took 142.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 985.4 MB in the end (delta: -36.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:17,240 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 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 476.84 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 142.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 985.4 MB in the end (delta: -36.6 MB). Peak memory consumption was 9.3 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 17:46:19,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:19,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:19,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:19,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:20,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:20,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:20,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:20,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:20,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:20,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:20,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:20,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:20,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:20,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:20,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:20,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:20,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:20,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:20,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:20,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:20,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:20,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:20,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:20,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:20,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:20,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:20,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:20,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:20,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:20,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:20,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:20,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:20,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:20,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:20,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:20,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:20,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:20,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:20,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:20,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:20,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:46:20,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:20,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:20,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:20,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:20,139 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:20,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:20,139 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:20,140 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:20,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:20,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:20,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:20,144 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:20,144 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:20,145 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:20,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:20,145 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:20,145 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:20,145 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:20,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:20,146 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:20,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:20,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:20,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:20,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:20,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:20,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:20,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:20,151 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:20,151 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:20,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:20,152 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3ae4378a5284e50be7191d52900376e96b0fdc [2019-11-27 17:46:20,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:20,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:20,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:20,610 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:20,611 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:20,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext3/derefInLoop1.c [2019-11-27 17:46:20,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67fd317a0/8ed4fcc2f9414e33a0a2c2077f89667e/FLAG83fe402ac [2019-11-27 17:46:21,406 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:21,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext3/derefInLoop1.c [2019-11-27 17:46:21,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67fd317a0/8ed4fcc2f9414e33a0a2c2077f89667e/FLAG83fe402ac [2019-11-27 17:46:21,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67fd317a0/8ed4fcc2f9414e33a0a2c2077f89667e [2019-11-27 17:46:21,740 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:21,749 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:21,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:21,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:21,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:21,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:21" (1/1) ... [2019-11-27 17:46:21,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4268475d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:21, skipping insertion in model container [2019-11-27 17:46:21,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:21" (1/1) ... [2019-11-27 17:46:21,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:21,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:22,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:22,119 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:22,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:22,232 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:22,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:22 WrapperNode [2019-11-27 17:46:22,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:22,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:22,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:22,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:22,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:22" (1/1) ... [2019-11-27 17:46:22,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:22" (1/1) ... [2019-11-27 17:46:22,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:22" (1/1) ... [2019-11-27 17:46:22,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:22" (1/1) ... [2019-11-27 17:46:22,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:22" (1/1) ... [2019-11-27 17:46:22,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:22" (1/1) ... [2019-11-27 17:46:22,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:22" (1/1) ... [2019-11-27 17:46:22,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:22,300 INFO L168 Benchmark]: Toolchain (without parser) took 550.88 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.2 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:22,301 INFO L168 Benchmark]: CDTParser took 0.23 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 17:46:22,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:22,303 INFO L168 Benchmark]: Boogie Preprocessor took 62.12 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:22,314 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 481.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 62.12 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...