./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt --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 67b95fb0884527cff4cd990f5c76069c4524d11d ............................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt --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 67b95fb0884527cff4cd990f5c76069c4524d11d .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:15:19,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:15:19,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:15:19,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:15:19,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:15:19,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:15:20,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:15:20,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:15:20,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:15:20,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:15:20,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:15:20,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:15:20,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:15:20,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:15:20,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:15:20,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:15:20,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:15:20,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:15:20,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:15:20,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:15:20,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:15:20,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:15:20,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:15:20,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:15:20,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:15:20,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:15:20,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:15:20,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:15:20,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:15:20,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:15:20,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:15:20,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:15:20,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:15:20,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:15:20,085 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:15:20,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:15:20,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:15:20,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:15:20,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:15:20,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:15:20,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:15:20,090 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-13 01:15:20,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:15:20,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:15:20,141 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:15:20,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:15:20,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:15:20,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:15:20,148 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:15:20,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:15:20,149 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:15:20,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:15:20,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:15:20,151 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 01:15:20,151 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 01:15:20,151 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 01:15:20,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:15:20,152 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 01:15:20,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:15:20,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:15:20,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:15:20,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:15:20,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:15:20,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:15:20,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:15:20,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:15:20,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 01:15:20,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:15:20,155 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_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b95fb0884527cff4cd990f5c76069c4524d11d [2021-10-13 01:15:20,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:15:20,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:15:20,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:15:20,491 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:15:20,495 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:15:20,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-13 01:15:20,580 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/data/b4df6f4db/d5d2eacaab9048118e55bdf5302648a8/FLAGd96fba894 [2021-10-13 01:15:21,374 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:15:21,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-13 01:15:21,419 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/data/b4df6f4db/d5d2eacaab9048118e55bdf5302648a8/FLAGd96fba894 [2021-10-13 01:15:21,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/data/b4df6f4db/d5d2eacaab9048118e55bdf5302648a8 [2021-10-13 01:15:21,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:15:21,466 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 01:15:21,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:15:21,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:15:21,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:15:21,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:15:21" (1/1) ... [2021-10-13 01:15:21,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a93f35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:21, skipping insertion in model container [2021-10-13 01:15:21,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:15:21" (1/1) ... [2021-10-13 01:15:21,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:15:21,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:15:22,786 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 01:15:22,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ae12b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:22, skipping insertion in model container [2021-10-13 01:15:22,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:15:22,788 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 01:15:22,791 INFO L168 Benchmark]: Toolchain (without parser) took 1322.34 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 48.1 MB in the beginning and 74.3 MB in the end (delta: -26.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:22,793 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 83.9 MB. Free memory was 44.3 MB in the beginning and 44.3 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:15:22,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1316.33 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 47.8 MB in the beginning and 74.3 MB in the end (delta: -26.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:22,799 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 83.9 MB. Free memory was 44.3 MB in the beginning and 44.3 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1316.33 ms. Allocated memory was 83.9 MB in the beginning and 111.1 MB in the end (delta: 27.3 MB). Free memory was 47.8 MB in the beginning and 74.3 MB in the end (delta: -26.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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 0.2.1-dev-4e77c04 [2021-10-13 01:15:25,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:15:25,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:15:25,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:15:25,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:15:25,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:15:25,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:15:25,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:15:25,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:15:25,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:15:25,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:15:25,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:15:25,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:15:25,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:15:25,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:15:25,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:15:25,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:15:25,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:15:25,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:15:25,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:15:25,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:15:25,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:15:25,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:15:25,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:15:25,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:15:25,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:15:25,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:15:25,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:15:25,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:15:25,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:15:25,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:15:25,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:15:25,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:15:25,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:15:25,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:15:25,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:15:25,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:15:25,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:15:25,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:15:25,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:15:25,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:15:25,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-13 01:15:25,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:15:25,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:15:25,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:15:25,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:15:25,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:15:25,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:15:25,820 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:15:25,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:15:25,821 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:15:25,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:15:25,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:15:25,823 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 01:15:25,823 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 01:15:25,823 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 01:15:25,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 01:15:25,824 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 01:15:25,825 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 01:15:25,825 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 01:15:25,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:15:25,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:15:25,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:15:25,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 01:15:25,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 01:15:25,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:15:25,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 01:15:25,827 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 01:15:25,828 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 01:15:25,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:15:25,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 01:15:25,829 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_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b95fb0884527cff4cd990f5c76069c4524d11d [2021-10-13 01:15:26,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:15:26,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:15:26,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:15:26,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:15:26,363 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:15:26,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-13 01:15:26,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/data/a32dba3b6/a718763a7c9b4da1bb531882640d59dc/FLAGbac5c8be2 [2021-10-13 01:15:27,376 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:15:27,377 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-13 01:15:27,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/data/a32dba3b6/a718763a7c9b4da1bb531882640d59dc/FLAGbac5c8be2 [2021-10-13 01:15:27,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e0c3f6-a211-44f2-b824-59e810c61c85/bin/uautomizer-WNIpwEf4Nt/data/a32dba3b6/a718763a7c9b4da1bb531882640d59dc [2021-10-13 01:15:27,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:15:27,880 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 01:15:27,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:15:27,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:15:27,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:15:27,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:15:27" (1/1) ... [2021-10-13 01:15:27,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e1c3da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:27, skipping insertion in model container [2021-10-13 01:15:27,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:15:27" (1/1) ... [2021-10-13 01:15:27,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:15:28,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:15:29,283 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 01:15:29,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@767aaa7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:15:29, skipping insertion in model container [2021-10-13 01:15:29,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:15:29,285 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 01:15:29,288 INFO L168 Benchmark]: Toolchain (without parser) took 1410.31 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 37.5 MB in the beginning and 46.8 MB in the end (delta: -9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:29,289 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:15:29,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1401.43 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 37.4 MB in the beginning and 46.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:15:29,292 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 62.9 MB. Free memory is still 44.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1401.43 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 37.4 MB in the beginning and 46.8 MB in the end (delta: -9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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...