./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer --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 b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 .............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer --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 b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 ................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:18:25,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:18:25,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:18:25,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:18:25,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:18:25,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:18:25,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:18:25,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:18:25,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:18:25,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:18:25,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:18:25,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:18:25,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:18:25,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:18:25,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:18:25,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:18:25,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:18:25,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:18:25,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:18:25,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:18:25,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:18:25,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:18:25,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:18:25,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:18:25,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:18:25,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:18:25,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:18:25,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:18:25,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:18:25,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:18:25,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:18:25,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:18:25,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:18:25,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:18:25,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:18:25,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:18:25,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:18:25,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:18:25,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:18:25,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:18:25,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:18:25,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-11-28 03:18:25,633 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:18:25,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:18:25,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:18:25,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:18:25,638 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:18:25,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:18:25,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:18:25,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:18:25,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:18:25,639 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:18:25,640 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:18:25,641 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:18:25,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:18:25,641 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:18:25,641 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:18:25,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:18:25,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:18:25,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:18:25,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:18:25,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:25,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:18:25,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:18:25,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:18:25,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:18:25,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:18:25,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 [2020-11-28 03:18:25,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:18:26,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:18:26,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:18:26,007 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:18:26,011 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:18:26,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2020-11-28 03:18:26,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/data/37d502428/721a7b4c3dcc4279a1abe7ed65b60671/FLAG769c1a7f0 [2020-11-28 03:18:26,764 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:18:26,765 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/sv-benchmarks/c/busybox-1.22.0/head-2.i [2020-11-28 03:18:26,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/data/37d502428/721a7b4c3dcc4279a1abe7ed65b60671/FLAG769c1a7f0 [2020-11-28 03:18:26,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/data/37d502428/721a7b4c3dcc4279a1abe7ed65b60671 [2020-11-28 03:18:26,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:18:26,948 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:18:26,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:26,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:18:26,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:18:26,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc4fe5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:26, skipping insertion in model container [2020-11-28 03:18:26,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:26" (1/1) ... [2020-11-28 03:18:26,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:18:27,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:18:28,311 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 03:18:28,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42f73c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:28, skipping insertion in model container [2020-11-28 03:18:28,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:28,318 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:18:28,327 INFO L168 Benchmark]: Toolchain (without parser) took 1371.25 ms. Allocated memory is still 86.0 MB. Free memory was 46.4 MB in the beginning and 51.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:28,328 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory is still 67.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:28,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1361.40 ms. Allocated memory is still 86.0 MB. Free memory was 46.2 MB in the beginning and 51.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:28,333 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory is still 67.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1361.40 ms. Allocated memory is still 86.0 MB. Free memory was 46.2 MB in the beginning and 51.7 MB in the end (delta: -5.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:18:30,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:18:30,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:18:30,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:18:30,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:18:30,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:18:30,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:18:30,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:18:30,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:18:30,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:18:30,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:18:30,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:18:30,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:18:30,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:18:30,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:18:30,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:18:30,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:18:30,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:18:30,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:18:30,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:18:30,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:18:30,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:18:30,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:18:30,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:18:30,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:18:30,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:18:30,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:18:30,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:18:30,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:18:30,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:18:30,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:18:30,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:18:30,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:18:30,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:18:30,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:18:30,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:18:30,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:18:30,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:18:30,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:18:30,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:18:30,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:18:30,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-11-28 03:18:30,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:18:30,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:18:30,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:18:30,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:18:30,924 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:18:30,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:18:30,924 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:18:30,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:18:30,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:18:30,925 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:18:30,925 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:18:30,926 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:18:30,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:18:30,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:18:30,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:18:30,927 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:18:30,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:18:30,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:18:30,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:18:30,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:18:30,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:18:30,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:18:30,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:18:30,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:18:30,929 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:18:30,929 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:18:30,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:18:30,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:18:30,930 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 [2020-11-28 03:18:31,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:18:31,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:18:31,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:18:31,383 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:18:31,384 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:18:31,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2020-11-28 03:18:31,457 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/data/8d1c4ea87/258312700b6c4cb987891fe85e6c8c3d/FLAG801d01f84 [2020-11-28 03:18:32,312 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:18:32,313 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/sv-benchmarks/c/busybox-1.22.0/head-2.i [2020-11-28 03:18:32,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/data/8d1c4ea87/258312700b6c4cb987891fe85e6c8c3d/FLAG801d01f84 [2020-11-28 03:18:32,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_598d68c2-c714-4065-b516-c218d0dc7cfc/bin/uautomizer/data/8d1c4ea87/258312700b6c4cb987891fe85e6c8c3d [2020-11-28 03:18:32,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:18:32,408 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:18:32,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:32,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:18:32,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:18:32,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:32" (1/1) ... [2020-11-28 03:18:32,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ecff424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:32, skipping insertion in model container [2020-11-28 03:18:32,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:18:32" (1/1) ... [2020-11-28 03:18:32,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:18:32,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:18:33,788 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 03:18:33,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77add296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:18:33, skipping insertion in model container [2020-11-28 03:18:33,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:18:33,789 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:18:33,792 INFO L168 Benchmark]: Toolchain (without parser) took 1382.42 ms. Allocated memory is still 62.9 MB. Free memory was 39.3 MB in the beginning and 34.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:33,792 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:33,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1376.38 ms. Allocated memory is still 62.9 MB. Free memory was 39.1 MB in the beginning and 34.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:33,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1376.38 ms. Allocated memory is still 62.9 MB. Free memory was 39.1 MB in the beginning and 34.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...