./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/expand-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/expand-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 37472fee323a215e498757280459fe839d9ea958 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/expand-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 37472fee323a215e498757280459fe839d9ea958 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:59:40,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:40,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:40,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:40,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:40,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:40,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:40,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:40,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:40,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:40,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:40,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:40,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:40,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:40,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:40,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:40,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:40,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:40,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:40,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:40,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:40,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:40,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:40,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:40,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:40,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:40,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:40,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:40,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:40,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:40,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:40,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:40,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:40,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:40,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:40,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:40,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:40,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:40,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:40,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:40,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:40,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 17:59:40,576 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:40,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:40,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:40,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:40,586 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:40,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:40,587 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:40,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:40,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:40,588 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:40,589 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:40,589 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:40,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:40,592 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:40,593 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:40,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:40,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:40,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:40,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:40,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:40,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:40,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:40,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:59:40,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:59:40,599 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 -> 37472fee323a215e498757280459fe839d9ea958 [2019-11-26 17:59:41,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:41,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:41,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:41,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:41,251 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:41,254 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2019-11-26 17:59:41,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/505ebbe4b/afc086a997a74ff0bc68e6b41b4089c2/FLAG7c9208b2c [2019-11-26 17:59:42,920 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:42,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2019-11-26 17:59:42,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/505ebbe4b/afc086a997a74ff0bc68e6b41b4089c2/FLAG7c9208b2c [2019-11-26 17:59:43,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/505ebbe4b/afc086a997a74ff0bc68e6b41b4089c2 [2019-11-26 17:59:43,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:43,074 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:43,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:43,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:43,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:43,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:43" (1/1) ... [2019-11-26 17:59:43,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d8c49 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 17:59:43,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:43" (1/1) ... [2019-11-26 17:59:43,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:43,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:43,683 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __io_read_fn [2019-11-26 17:59:43,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3065d6d8 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 17:59:43,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:43,685 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:59:43,694 INFO L168 Benchmark]: Toolchain (without parser) took 624.49 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 17:59:43,694 INFO L168 Benchmark]: CDTParser took 0.47 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 17:59:43,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.38 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 17:59:43,705 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 609.38 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 17:59:47,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:59:47,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:59:47,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:59:47,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:59:47,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:59:47,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:59:47,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:59:47,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:59:47,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:59:47,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:59:47,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:59:47,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:59:47,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:59:47,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:59:47,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:59:47,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:59:47,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:59:47,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:59:47,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:59:47,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:59:47,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:59:47,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:59:47,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:59:47,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:59:47,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:59:47,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:59:47,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:59:47,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:59:47,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:59:47,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:59:47,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:59:47,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:59:47,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:59:47,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:59:47,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:59:47,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:59:47,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:59:47,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:59:47,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:59:47,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:59:47,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 17:59:47,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:59:47,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:59:47,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:59:47,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:59:47,847 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:59:47,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:59:47,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:59:47,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:59:47,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:59:47,849 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:59:47,853 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:59:47,853 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:59:47,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:59:47,854 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:59:47,855 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:59:47,855 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:59:47,855 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:59:47,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:59:47,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:59:47,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:59:47,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:59:47,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:59:47,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:59:47,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:59:47,861 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:59:47,861 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:59:47,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:59:47,862 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 -> 37472fee323a215e498757280459fe839d9ea958 [2019-11-26 17:59:48,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:59:48,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:59:48,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:59:48,448 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:59:48,451 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:59:48,452 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2019-11-26 17:59:48,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd691484/0e7c979028e64a129a6acd7d826ff09d/FLAGbeb78b5d9 [2019-11-26 17:59:50,201 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:59:50,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2019-11-26 17:59:50,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd691484/0e7c979028e64a129a6acd7d826ff09d/FLAGbeb78b5d9 [2019-11-26 17:59:50,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bdd691484/0e7c979028e64a129a6acd7d826ff09d [2019-11-26 17:59:50,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:59:50,326 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:59:50,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:50,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:59:50,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:59:50,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:50" (1/1) ... [2019-11-26 17:59:50,347 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 05:59:50, skipping insertion in model container [2019-11-26 17:59:50,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:59:50" (1/1) ... [2019-11-26 17:59:50,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:59:50,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:59:50,941 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __io_read_fn [2019-11-26 17:59:50,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5aab770b 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 17:59:50,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:59:50,944 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 17:59:50,948 INFO L168 Benchmark]: Toolchain (without parser) took 619.64 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 17:59:50,953 INFO L168 Benchmark]: CDTParser took 1.80 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 17:59:50,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.14 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 17:59:50,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.80 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 615.14 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. * 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...