./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/uniq-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 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/uniq-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 d4f3beee7d9a211cc04d5df24adf0d3371004e18 ......................................................................................................................... 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/uniq-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 d4f3beee7d9a211cc04d5df24adf0d3371004e18 ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:28:25,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:28:25,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:28:25,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:28:25,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:28:25,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:28:25,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:28:25,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:28:25,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:28:25,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:28:25,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:28:25,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:28:25,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:28:25,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:28:25,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:28:25,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:28:25,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:28:25,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:28:25,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:28:25,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:28:25,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:28:25,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:28:25,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:28:25,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:28:25,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:28:25,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:28:25,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:28:25,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:28:25,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:28:25,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:28:25,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:28:25,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:28:25,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:28:25,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:28:25,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:28:25,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:28:25,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:28:25,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:28:25,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:28:25,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:28:25,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:28:25,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-19 18:28:25,634 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:28:25,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:28:25,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:28:25,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:28:25,641 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:28:25,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:28:25,641 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:28:25,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:28:25,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:28:25,642 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:28:25,642 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:28:25,643 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:28:25,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:28:25,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:28:25,644 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:28:25,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:28:25,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:28:25,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:28:25,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:28:25,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:28:25,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:28:25,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:28:25,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:28:25,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:28:25,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:28:25,647 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 -> d4f3beee7d9a211cc04d5df24adf0d3371004e18 [2020-10-19 18:28:26,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:28:26,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:28:26,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:28:26,046 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:28:26,046 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:28:26,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2020-10-19 18:28:26,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee2dbf4d/16c99af196f84635bbbfe9b33973beb9/FLAG66e793f7e [2020-10-19 18:28:26,895 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:28:26,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2020-10-19 18:28:26,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee2dbf4d/16c99af196f84635bbbfe9b33973beb9/FLAG66e793f7e [2020-10-19 18:28:27,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ee2dbf4d/16c99af196f84635bbbfe9b33973beb9 [2020-10-19 18:28:27,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:28:27,453 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:28:27,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:27,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:28:27,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:28:27,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:27" (1/1) ... [2020-10-19 18:28:27,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702a9e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:27, skipping insertion in model container [2020-10-19 18:28:27,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:27" (1/1) ... [2020-10-19 18:28:27,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:28:27,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:28:29,050 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-10-19 18:28:29,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@130ac73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:29, skipping insertion in model container [2020-10-19 18:28:29,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:29,053 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:28:29,057 INFO L168 Benchmark]: Toolchain (without parser) took 1607.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:29,058 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:28:29,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1598.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:29,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1598.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -170.2 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-906a4fb [2020-10-19 18:28:30,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:28:30,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:28:30,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:28:30,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:28:30,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:28:30,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:28:30,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:28:30,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:28:30,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:28:30,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:28:30,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:28:30,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:28:30,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:28:30,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:28:30,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:28:30,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:28:30,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:28:30,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:28:30,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:28:30,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:28:30,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:28:31,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:28:31,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:28:31,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:28:31,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:28:31,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:28:31,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:28:31,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:28:31,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:28:31,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:28:31,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:28:31,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:28:31,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:28:31,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:28:31,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:28:31,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:28:31,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:28:31,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:28:31,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:28:31,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:28:31,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-19 18:28:31,078 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:28:31,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:28:31,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:28:31,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:28:31,082 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:28:31,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:28:31,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:28:31,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:28:31,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:28:31,083 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:28:31,084 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:28:31,085 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:28:31,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:28:31,085 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:28:31,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:28:31,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:28:31,086 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:28:31,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:28:31,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:28:31,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:28:31,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:28:31,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:28:31,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:28:31,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:28:31,089 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:28:31,089 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:28:31,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:28:31,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:28:31,090 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 -> d4f3beee7d9a211cc04d5df24adf0d3371004e18 [2020-10-19 18:28:31,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:28:31,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:28:31,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:28:31,442 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:28:31,443 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:28:31,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2020-10-19 18:28:31,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac4bf790b/8fe52df09b0d4cc89264edff65ec09e2/FLAG1e0d9e509 [2020-10-19 18:28:32,207 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:28:32,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2020-10-19 18:28:32,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac4bf790b/8fe52df09b0d4cc89264edff65ec09e2/FLAG1e0d9e509 [2020-10-19 18:28:32,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac4bf790b/8fe52df09b0d4cc89264edff65ec09e2 [2020-10-19 18:28:32,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:28:32,355 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:28:32,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:32,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:28:32,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:28:32,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:32" (1/1) ... [2020-10-19 18:28:32,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f856f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:32, skipping insertion in model container [2020-10-19 18:28:32,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:32" (1/1) ... [2020-10-19 18:28:32,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:28:32,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:28:33,656 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-10-19 18:28:33,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66bdbaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:33, skipping insertion in model container [2020-10-19 18:28:33,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:33,658 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:28:33,661 INFO L168 Benchmark]: Toolchain (without parser) took 1310.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:33,662 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:28:33,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1301.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:33,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1301.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...