./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 025d5a27 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/busybox-1.22.0/readlink-2.i -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 60e87bbb338de49f951bcda640064e8dc1c76515 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/busybox-1.22.0/readlink-2.i -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 60e87bbb338de49f951bcda640064e8dc1c76515 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:59:48,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:48,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:48,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:48,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:48,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:48,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:48,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:48,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:48,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:48,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:48,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:48,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:48,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:48,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:48,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:48,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:48,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:48,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:48,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:48,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:48,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:48,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:48,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:48,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:48,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:48,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:48,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:48,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:48,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:48,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:48,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:48,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:48,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:48,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:48,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:48,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:48,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:48,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:48,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:48,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:48,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 17:59:48,914 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:48,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:48,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:48,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:48,923 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:48,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:48,924 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:48,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:48,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:48,925 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:48,926 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:48,926 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:48,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:48,927 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:48,929 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:48,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:48,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:48,932 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:48,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:48,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:48,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:48,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:48,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:59:48,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:59:48,935 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 -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-11-26 17:59:49,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:49,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:49,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:49,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:49,600 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:49,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-26 17:59:49,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe6aa953/e544056173474d7e852fa3b9d97ccd66/FLAG58857a20b [2019-11-26 17:59:51,304 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:51,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-26 17:59:51,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe6aa953/e544056173474d7e852fa3b9d97ccd66/FLAG58857a20b [2019-11-26 17:59:51,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbe6aa953/e544056173474d7e852fa3b9d97ccd66 [2019-11-26 17:59:51,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:51,597 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:51,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:51,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:51,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:51,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:51" (1/1) ... [2019-11-26 17:59:51,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c614111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:51, skipping insertion in model container [2019-11-26 17:59:51,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:51" (1/1) ... [2019-11-26 17:59:51,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:51,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:52,173 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __io_read_fn [2019-11-26 17:59:52,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60dc05f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:52, skipping insertion in model container [2019-11-26 17:59:52,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:52,178 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:59:52,184 INFO L168 Benchmark]: Toolchain (without parser) took 584.14 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 938.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:52,189 INFO L168 Benchmark]: CDTParser took 0.31 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 17:59:52,191 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.46 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 938.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:52,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 575.46 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 938.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 167]: Unsupported Syntax Undefined type __io_read_fn RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:59:56,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:56,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:56,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:56,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:56,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:56,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:56,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:56,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:56,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:56,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:56,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:56,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:56,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:56,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:56,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:56,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:56,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:56,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:56,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:56,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:56,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:56,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:56,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:56,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:56,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:56,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:56,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:56,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:56,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:56,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:56,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:56,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:56,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:56,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:56,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:56,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:56,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:56,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:56,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:56,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:56,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 17:59:56,299 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:56,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:56,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:56,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:56,308 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:56,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:56,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:56,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:56,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:56,313 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:56,314 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:56,315 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:56,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:56,315 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:56,316 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:59:56,316 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:59:56,316 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:56,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:56,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:56,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:56,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:56,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:56,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:56,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:56,321 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:59:56,322 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:59:56,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:59:56,324 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 -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-11-26 17:59:56,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:56,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:56,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:56,977 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:56,980 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:56,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-26 17:59:57,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae6e97f0/d1926ff377434c99b1a0dab1379b96ca/FLAG70806561b [2019-11-26 17:59:58,668 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:58,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-26 17:59:58,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae6e97f0/d1926ff377434c99b1a0dab1379b96ca/FLAG70806561b [2019-11-26 17:59:58,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ae6e97f0/d1926ff377434c99b1a0dab1379b96ca [2019-11-26 17:59:58,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:58,784 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:58,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:58,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:58,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:58,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:58" (1/1) ... [2019-11-26 17:59:58,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e692d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:58, skipping insertion in model container [2019-11-26 17:59:58,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:58" (1/1) ... [2019-11-26 17:59:58,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:58,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:59,189 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __io_read_fn [2019-11-26 17:59:59,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c4a9dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:59, skipping insertion in model container [2019-11-26 17:59:59,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:59,196 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:59:59,201 INFO L168 Benchmark]: Toolchain (without parser) took 417.09 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 943.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:59,202 INFO L168 Benchmark]: CDTParser took 1.96 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 17:59:59,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.85 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 943.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:59,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.96 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 410.85 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 943.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 167]: Unsupported Syntax Undefined type __io_read_fn RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...