./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/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_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be --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 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c ............................................................................................................................... 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_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/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_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be --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 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:01:45,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:01:45,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:01:45,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:01:45,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:01:45,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:01:45,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:01:45,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:01:45,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:01:45,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:01:45,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:01:45,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:01:45,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:01:45,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:01:45,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:01:45,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:01:45,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:01:45,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:01:45,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:01:45,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:01:45,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:01:45,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:01:45,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:01:45,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:01:45,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:01:45,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:01:45,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:01:45,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:01:45,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:01:45,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:01:45,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:01:45,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:01:45,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:01:45,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:01:45,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:01:45,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:01:45,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:01:45,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:01:45,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:01:45,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:01:45,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:01:45,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-21 20:01:45,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:01:45,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:01:45,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:01:45,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:01:45,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:01:45,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:01:45,675 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:01:45,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:01:45,676 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:01:45,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:01:45,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:01:45,677 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 20:01:45,677 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 20:01:45,677 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 20:01:45,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:01:45,677 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 20:01:45,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:01:45,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:01:45,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:01:45,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:01:45,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:01:45,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:01:45,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:01:45,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:01:45,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:01:45,680 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:01:45,680 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_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c [2021-10-21 20:01:45,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:01:45,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:01:45,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:01:45,942 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:01:45,943 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:01:45,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-21 20:01:46,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/data/4f7d59d74/9d08721e97ca408b88da2069db8cd97d/FLAG76557d446 [2021-10-21 20:01:46,845 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:01:46,846 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-21 20:01:46,884 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/data/4f7d59d74/9d08721e97ca408b88da2069db8cd97d/FLAG76557d446 [2021-10-21 20:01:46,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/data/4f7d59d74/9d08721e97ca408b88da2069db8cd97d [2021-10-21 20:01:46,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:01:46,915 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 20:01:46,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:01:46,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:01:46,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:01:46,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:01:46" (1/1) ... [2021-10-21 20:01:46,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573e1c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:46, skipping insertion in model container [2021-10-21 20:01:46,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:01:46" (1/1) ... [2021-10-21 20:01:46,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:01:47,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:01:48,190 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-21 20:01:48,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@134c424b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:48, skipping insertion in model container [2021-10-21 20:01:48,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:01:48,191 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 20:01:48,193 INFO L168 Benchmark]: Toolchain (without parser) took 1277.19 ms. Allocated memory is still 132.1 MB. Free memory was 93.6 MB in the beginning and 92.7 MB in the end (delta: 931.9 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:01:48,194 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 96.5 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:01:48,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1271.85 ms. Allocated memory is still 132.1 MB. Free memory was 93.3 MB in the beginning and 92.7 MB in the end (delta: 628.6 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:01:48,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 96.5 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1271.85 ms. Allocated memory is still 132.1 MB. Free memory was 93.3 MB in the beginning and 92.7 MB in the end (delta: 628.6 kB). Peak memory consumption was 12.6 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-e943c26 [2021-10-21 20:01:50,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:01:50,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:01:50,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:01:50,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:01:50,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:01:50,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:01:50,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:01:50,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:01:50,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:01:50,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:01:50,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:01:50,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:01:50,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:01:50,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:01:50,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:01:50,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:01:50,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:01:50,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:01:50,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:01:50,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:01:50,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:01:50,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:01:50,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:01:50,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:01:50,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:01:50,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:01:50,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:01:50,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:01:50,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:01:50,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:01:50,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:01:50,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:01:50,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:01:50,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:01:50,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:01:50,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:01:50,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:01:50,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:01:50,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:01:50,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:01:50,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-21 20:01:50,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:01:50,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:01:50,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:01:50,710 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:01:50,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:01:50,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:01:50,712 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:01:50,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:01:50,713 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:01:50,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:01:50,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:01:50,714 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 20:01:50,715 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 20:01:50,715 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 20:01:50,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:01:50,716 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 20:01:50,716 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 20:01:50,716 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 20:01:50,716 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:01:50,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:01:50,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:01:50,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:01:50,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:01:50,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:01:50,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:01:50,718 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 20:01:50,719 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 20:01:50,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:01:50,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 20:01:50,720 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_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c [2021-10-21 20:01:51,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:01:51,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:01:51,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:01:51,251 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:01:51,252 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:01:51,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-21 20:01:51,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/data/cc8195e2b/e225aa0380944debb4bef7dcb8fff892/FLAG5928828e5 [2021-10-21 20:01:52,187 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:01:52,187 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-10-21 20:01:52,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/data/cc8195e2b/e225aa0380944debb4bef7dcb8fff892/FLAG5928828e5 [2021-10-21 20:01:52,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_403a0b28-062a-4c5c-bb49-a4a019f093bb/bin/uautomizer-j4sWxH34Be/data/cc8195e2b/e225aa0380944debb4bef7dcb8fff892 [2021-10-21 20:01:52,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:01:52,303 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 20:01:52,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:01:52,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:01:52,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:01:52,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:01:52" (1/1) ... [2021-10-21 20:01:52,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7a0784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:52, skipping insertion in model container [2021-10-21 20:01:52,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:01:52" (1/1) ... [2021-10-21 20:01:52,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:01:52,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:01:53,753 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-21 20:01:53,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1be16376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:01:53, skipping insertion in model container [2021-10-21 20:01:53,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:01:53,756 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 20:01:53,763 INFO L168 Benchmark]: Toolchain (without parser) took 1457.81 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 31.6 MB in the beginning and 40.4 MB in the end (delta: -8.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:01:53,763 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory is still 39.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:01:53,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1441.99 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 40.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:01:53,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 58.7 MB. Free memory is still 39.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1441.99 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 31.3 MB in the beginning and 40.4 MB in the end (delta: -9.1 MB). Peak memory consumption was 7.4 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...