./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/date-1.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/date-1.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 2afcbd034872cd13ec309341e0aef199693b2393 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/date-1.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 2afcbd034872cd13ec309341e0aef199693b2393 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:59:39,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:39,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:40,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:40,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:40,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:40,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:40,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:40,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:40,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:40,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:40,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:40,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:40,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:40,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:40,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:40,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:40,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:40,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:40,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:40,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:40,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:40,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:40,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:40,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:40,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:40,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:40,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:40,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:40,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:40,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:40,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:40,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:40,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:40,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:40,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:40,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:40,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:40,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:40,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:40,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:40,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 17:59:40,206 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:40,210 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:40,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:40,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:40,215 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:40,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:40,217 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:40,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:40,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:40,220 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:40,221 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:40,222 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:40,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:40,223 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:40,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:40,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:40,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:40,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:40,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:40,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:40,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:40,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:40,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:59:40,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:59:40,230 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 -> 2afcbd034872cd13ec309341e0aef199693b2393 [2019-11-26 17:59:40,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:40,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:40,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:40,843 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:40,846 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:40,847 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/date-1.i [2019-11-26 17:59:41,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b013fd26d/15a38909039c43489439b54f6b901084/FLAGf1d47fde9 [2019-11-26 17:59:42,608 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:42,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/date-1.i [2019-11-26 17:59:42,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b013fd26d/15a38909039c43489439b54f6b901084/FLAGf1d47fde9 [2019-11-26 17:59:42,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b013fd26d/15a38909039c43489439b54f6b901084 [2019-11-26 17:59:42,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:42,737 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:42,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:42,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:42,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:42,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:42" (1/1) ... [2019-11-26 17:59:42,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae4b5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:42, skipping insertion in model container [2019-11-26 17:59:42,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:42" (1/1) ... [2019-11-26 17:59:42,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:43,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:43,336 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __io_read_fn [2019-11-26 17:59:43,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58c53932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:43, skipping insertion in model container [2019-11-26 17:59:43,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:43,339 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:59:43,352 INFO L168 Benchmark]: Toolchain (without parser) took 603.77 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 933.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:43,354 INFO L168 Benchmark]: CDTParser took 0.33 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 17:59:43,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.08 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 933.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:43,366 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 591.08 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 933.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 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 17:59:47,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:47,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:47,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:47,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:47,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:47,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:47,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:47,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:47,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:47,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:47,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:47,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:47,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:47,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:47,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:47,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:47,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:47,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:47,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:47,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:47,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:47,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:47,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:47,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:47,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:47,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:47,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:47,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:47,723 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:47,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:47,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:47,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:47,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:47,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:47,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:47,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:47,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:47,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:47,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:47,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:47,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 17:59:47,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:47,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:47,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:47,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:47,804 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:47,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:47,807 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:47,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:47,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:47,808 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:47,809 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:47,812 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:47,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:47,813 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:47,813 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:59:47,813 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:59:47,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:47,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:47,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:47,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:47,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:47,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:47,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:47,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:47,819 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:59:47,820 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:59:47,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:59:47,821 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 -> 2afcbd034872cd13ec309341e0aef199693b2393 [2019-11-26 17:59:48,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:48,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:48,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:48,478 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:48,482 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:48,483 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/date-1.i [2019-11-26 17:59:48,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2ba7efa/10ee783960534523a891a78db49f4f45/FLAG27c7a6f23 [2019-11-26 17:59:50,347 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:50,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/date-1.i [2019-11-26 17:59:50,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2ba7efa/10ee783960534523a891a78db49f4f45/FLAG27c7a6f23 [2019-11-26 17:59:50,494 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c2ba7efa/10ee783960534523a891a78db49f4f45 [2019-11-26 17:59:50,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:50,508 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:50,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:50,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:50,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:50,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:50" (1/1) ... [2019-11-26 17:59:50,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706af96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:59:50, skipping insertion in model container [2019-11-26 17:59:50,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:50" (1/1) ... [2019-11-26 17:59:50,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:50,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:51,096 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __io_read_fn [2019-11-26 17:59:51,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c4e24fb 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 17:59:51,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:51,098 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:59:51,102 INFO L168 Benchmark]: Toolchain (without parser) took 592.84 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 938.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:51,112 INFO L168 Benchmark]: CDTParser took 0.66 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 17:59:51,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.85 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 938.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:59:51,127 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 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 585.85 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 938.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 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...