./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e ............................................................................................................................... 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_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:20:42,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:20:42,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:20:42,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:20:42,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:20:42,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:20:42,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:20:42,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:20:42,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:20:42,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:20:42,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:20:42,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:20:42,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:20:42,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:20:42,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:20:42,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:20:42,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:20:42,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:20:42,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:20:42,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:20:42,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:20:42,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:20:42,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:20:42,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:20:42,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:20:42,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:20:42,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:20:42,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:20:42,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:20:42,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:20:42,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:20:42,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:20:42,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:20:42,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:20:42,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:20:42,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:20:42,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:20:42,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:20:42,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:20:42,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:20:42,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:20:42,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-28 09:20:42,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:20:42,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:20:42,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:20:42,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:20:42,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:20:42,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:20:42,492 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:20:42,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:20:42,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:20:42,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:20:42,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:20:42,493 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:20:42,494 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:20:42,494 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:20:42,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:20:42,495 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:20:42,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:20:42,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:20:42,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:20:42,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:20:42,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:20:42,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:20:42,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:20:42,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:20:42,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:20:42,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:20:42,498 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_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-10-28 09:20:42,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:20:42,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:20:42,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:20:42,854 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:20:42,855 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:20:42,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-28 09:20:42,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/data/82c1e942e/3f058f631af840febbc6fed5fac38db5/FLAG6bb20bde6 [2021-10-28 09:20:43,771 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:20:43,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-28 09:20:43,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/data/82c1e942e/3f058f631af840febbc6fed5fac38db5/FLAG6bb20bde6 [2021-10-28 09:20:44,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/data/82c1e942e/3f058f631af840febbc6fed5fac38db5 [2021-10-28 09:20:44,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:20:44,340 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:20:44,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:20:44,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:20:44,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:20:44,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:20:44" (1/1) ... [2021-10-28 09:20:44,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bed405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:44, skipping insertion in model container [2021-10-28 09:20:44,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:20:44" (1/1) ... [2021-10-28 09:20:44,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:20:44,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:20:45,754 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-28 09:20:45,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6057a422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:45, skipping insertion in model container [2021-10-28 09:20:45,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:20:45,756 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:20:45,759 INFO L168 Benchmark]: Toolchain (without parser) took 1416.99 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 62.0 MB in the beginning and 92.8 MB in the end (delta: -30.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:20:45,760 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory was 72.4 MB in the beginning and 72.4 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:20:45,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1412.79 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 61.8 MB in the beginning and 92.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:20:45,765 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 100.7 MB. Free memory was 72.4 MB in the beginning and 72.4 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1412.79 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 61.8 MB in the beginning and 92.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:20:48,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:20:48,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:20:48,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:20:48,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:20:48,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:20:48,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:20:48,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:20:48,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:20:48,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:20:48,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:20:48,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:20:48,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:20:48,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:20:48,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:20:48,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:20:48,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:20:48,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:20:48,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:20:48,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:20:48,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:20:48,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:20:48,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:20:48,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:20:48,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:20:48,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:20:48,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:20:48,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:20:48,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:20:48,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:20:48,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:20:48,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:20:48,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:20:48,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:20:48,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:20:48,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:20:48,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:20:48,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:20:48,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:20:48,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:20:48,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:20:48,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-28 09:20:48,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:20:48,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:20:48,788 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:20:48,788 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:20:48,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:20:48,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:20:48,790 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:20:48,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:20:48,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:20:48,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:20:48,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:20:48,791 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-28 09:20:48,791 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-28 09:20:48,792 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-28 09:20:48,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:20:48,792 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-28 09:20:48,792 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 09:20:48,793 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 09:20:48,795 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:20:48,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:20:48,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:20:48,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:20:48,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:20:48,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:20:48,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:20:48,797 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 09:20:48,798 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 09:20:48,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:20:48,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 09:20:48,799 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_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2021-10-28 09:20:49,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:20:49,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:20:49,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:20:49,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:20:49,383 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:20:49,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-28 09:20:49,476 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/data/aa29944dd/cc396ecd5bd744869e68969106616843/FLAG4c884d67e [2021-10-28 09:20:50,471 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:20:50,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-28 09:20:50,510 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/data/aa29944dd/cc396ecd5bd744869e68969106616843/FLAG4c884d67e [2021-10-28 09:20:51,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48d69ab-d4fa-4fba-9fcb-c2525b02bcc1/bin/uautomizer-UnR33cPsHg/data/aa29944dd/cc396ecd5bd744869e68969106616843 [2021-10-28 09:20:51,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:20:51,006 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-28 09:20:51,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:20:51,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:20:51,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:20:51,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:20:51" (1/1) ... [2021-10-28 09:20:51,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c76216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:51, skipping insertion in model container [2021-10-28 09:20:51,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:20:51" (1/1) ... [2021-10-28 09:20:51,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:20:51,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:20:52,523 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-28 09:20:52,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ccb5653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:52, skipping insertion in model container [2021-10-28 09:20:52,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:20:52,525 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-28 09:20:52,528 INFO L168 Benchmark]: Toolchain (without parser) took 1520.44 ms. Allocated memory is still 65.0 MB. Free memory was 39.5 MB in the beginning and 34.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:20:52,529 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:20:52,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1517.60 ms. Allocated memory is still 65.0 MB. Free memory was 39.3 MB in the beginning and 34.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:20:52,532 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 65.0 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1517.60 ms. Allocated memory is still 65.0 MB. Free memory was 39.3 MB in the beginning and 34.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...