./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/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_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/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_36b5ab9c-1348-4010-9a8d-918679f2468a/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_36b5ab9c-1348-4010-9a8d-918679f2468a/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 572b8de07d1f821f0da98e07dc076c6e731e73f0 ............................................................................................................................... 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_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/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_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/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_36b5ab9c-1348-4010-9a8d-918679f2468a/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_36b5ab9c-1348-4010-9a8d-918679f2468a/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 572b8de07d1f821f0da98e07dc076c6e731e73f0 .................................................................................................................................. 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 00:14:10,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:14:10,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:14:10,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:14:10,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:14:10,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:14:10,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:14:10,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:14:10,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:14:10,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:14:10,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:14:10,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:14:10,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:14:10,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:14:10,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:14:10,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:14:10,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:14:10,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:14:10,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:14:10,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:14:10,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:14:10,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:14:10,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:14:10,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:14:10,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:14:10,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:14:10,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:14:10,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:14:10,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:14:10,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:14:10,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:14:10,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:14:10,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:14:10,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:14:10,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:14:10,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:14:10,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:14:10,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:14:10,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:14:10,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:14:10,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:14:10,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-13 00:14:10,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:14:10,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:14:10,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:14:10,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:14:10,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:14:10,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:14:10,336 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:14:10,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:14:10,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:14:10,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:14:10,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:14:10,338 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:14:10,339 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:14:10,339 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:14:10,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:14:10,339 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:14:10,340 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:14:10,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:14:10,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:14:10,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:14:10,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:14:10,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:14:10,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:14:10,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:14:10,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:14:10,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:14:10,342 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_36b5ab9c-1348-4010-9a8d-918679f2468a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2021-10-13 00:14:10,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:14:10,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:14:10,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:14:10,709 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:14:10,710 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:14:10,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-13 00:14:10,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/data/be8ccfd4e/8666274f2bda4477966838b4993a2716/FLAG6bf9729fe [2021-10-13 00:14:11,636 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:14:11,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-13 00:14:11,678 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/data/be8ccfd4e/8666274f2bda4477966838b4993a2716/FLAG6bf9729fe [2021-10-13 00:14:11,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/data/be8ccfd4e/8666274f2bda4477966838b4993a2716 [2021-10-13 00:14:11,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:14:11,714 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:14:11,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:11,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:14:11,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:14:11,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:11" (1/1) ... [2021-10-13 00:14:11,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492cf3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:11, skipping insertion in model container [2021-10-13 00:14:11,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:11" (1/1) ... [2021-10-13 00:14:11,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:14:11,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:14:13,018 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-13 00:14:13,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f383b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:13, skipping insertion in model container [2021-10-13 00:14:13,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:13,025 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 00:14:13,028 INFO L168 Benchmark]: Toolchain (without parser) took 1312.76 ms. Allocated memory is still 130.0 MB. Free memory was 89.4 MB in the beginning and 92.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:13,029 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 130.0 MB. Free memory was 104.4 MB in the beginning and 104.4 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:13,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1309.53 ms. Allocated memory is still 130.0 MB. Free memory was 89.1 MB in the beginning and 92.8 MB in the end (delta: -3.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:13,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 130.0 MB. Free memory was 104.4 MB in the beginning and 104.4 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1309.53 ms. Allocated memory is still 130.0 MB. Free memory was 89.1 MB in the beginning and 92.8 MB in the end (delta: -3.7 MB). 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: 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-4e77c04 [2021-10-13 00:14:15,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:14:15,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:14:15,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:14:15,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:14:15,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:14:15,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:14:15,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:14:15,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:14:15,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:14:15,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:14:15,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:14:15,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:14:15,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:14:15,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:14:15,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:14:15,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:14:15,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:14:15,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:14:15,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:14:15,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:14:15,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:14:15,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:14:15,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:14:15,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:14:15,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:14:15,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:14:15,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:14:15,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:14:15,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:14:15,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:14:15,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:14:15,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:14:15,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:14:15,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:14:15,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:14:15,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:14:15,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:14:15,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:14:15,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:14:15,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:14:15,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-13 00:14:15,515 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:14:15,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:14:15,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:14:15,516 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:14:15,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:14:15,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:14:15,519 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:14:15,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:14:15,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:14:15,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:14:15,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:14:15,521 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:14:15,521 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:14:15,521 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:14:15,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:14:15,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:14:15,521 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:14:15,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:14:15,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:14:15,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:14:15,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:14:15,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:14:15,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:14:15,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:14:15,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:14:15,523 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:14:15,524 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:14:15,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:14:15,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:14:15,524 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_36b5ab9c-1348-4010-9a8d-918679f2468a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2021-10-13 00:14:15,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:14:15,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:14:15,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:14:15,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:14:15,989 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:14:15,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-13 00:14:16,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/data/ed1e1970b/2f2f692f6d674cacaf41c7f36718f9af/FLAG1b9e066fc [2021-10-13 00:14:16,845 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:14:16,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-13 00:14:16,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/data/ed1e1970b/2f2f692f6d674cacaf41c7f36718f9af/FLAG1b9e066fc [2021-10-13 00:14:16,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b5ab9c-1348-4010-9a8d-918679f2468a/bin/uautomizer-WNIpwEf4Nt/data/ed1e1970b/2f2f692f6d674cacaf41c7f36718f9af [2021-10-13 00:14:16,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:14:16,936 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:14:16,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:16,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:14:16,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:14:16,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:16" (1/1) ... [2021-10-13 00:14:16,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f00497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:16, skipping insertion in model container [2021-10-13 00:14:16,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:16" (1/1) ... [2021-10-13 00:14:16,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:14:17,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:14:18,112 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-13 00:14:18,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@171c0f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:18, skipping insertion in model container [2021-10-13 00:14:18,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:18,113 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 00:14:18,115 INFO L168 Benchmark]: Toolchain (without parser) took 1178.35 ms. Allocated memory is still 67.1 MB. Free memory was 46.5 MB in the beginning and 39.0 MB in the end (delta: 7.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:18,116 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory was 47.5 MB in the beginning and 47.4 MB in the end (delta: 75.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:18,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1173.79 ms. Allocated memory is still 67.1 MB. Free memory was 46.3 MB in the beginning and 39.0 MB in the end (delta: 7.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:18,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory was 47.5 MB in the beginning and 47.4 MB in the end (delta: 75.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1173.79 ms. Allocated memory is still 67.1 MB. Free memory was 46.3 MB in the beginning and 39.0 MB in the end (delta: 7.3 MB). 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: 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...