./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.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_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/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_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/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_92b27faf-d13a-4e7b-9228-724fe8087e5d/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 be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 ............................................................................................................................... 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_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/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_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/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_92b27faf-d13a-4e7b-9228-724fe8087e5d/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 be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 .................................................................................................................................. 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 00:06:45,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:06:45,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:06:45,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:06:45,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:06:45,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:06:45,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:06:45,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:06:45,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:06:45,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:06:45,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:06:45,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:06:45,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:06:45,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:06:45,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:06:45,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:06:45,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:06:45,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:06:45,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:06:45,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:06:45,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:06:45,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:06:45,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:06:45,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:06:45,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:06:45,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:06:45,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:06:45,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:06:45,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:06:45,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:06:45,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:06:45,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:06:45,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:06:45,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:06:45,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:06:45,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:06:45,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:06:45,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:06:45,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:06:45,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:06:45,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:06:45,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-13 00:06:45,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:06:45,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:06:45,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:06:45,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:06:45,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:06:45,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:06:45,335 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:06:45,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:06:45,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:06:45,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:06:45,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:06:45,341 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:06:45,341 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:06:45,342 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:06:45,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:06:45,342 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:06:45,342 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:06:45,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:06:45,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:06:45,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:06:45,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:06:45,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:06:45,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:06:45,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:06:45,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:06:45,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:06:45,345 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_92b27faf-d13a-4e7b-9228-724fe8087e5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2021-10-13 00:06:45,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:06:45,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:06:45,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:06:45,734 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:06:45,735 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:06:45,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-13 00:06:45,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/data/c60ce8159/dab7c35d43e044fdbe3101c7c2c43978/FLAG5c888f678 [2021-10-13 00:06:46,685 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:06:46,686 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-13 00:06:46,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/data/c60ce8159/dab7c35d43e044fdbe3101c7c2c43978/FLAG5c888f678 [2021-10-13 00:06:47,248 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/data/c60ce8159/dab7c35d43e044fdbe3101c7c2c43978 [2021-10-13 00:06:47,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:06:47,255 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:06:47,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:06:47,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:06:47,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:06:47,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:06:47" (1/1) ... [2021-10-13 00:06:47,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ca349c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:47, skipping insertion in model container [2021-10-13 00:06:47,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:06:47" (1/1) ... [2021-10-13 00:06:47,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:06:47,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:06:48,712 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-13 00:06:48,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b262f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:48, skipping insertion in model container [2021-10-13 00:06:48,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:06:48,714 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 00:06:48,716 INFO L168 Benchmark]: Toolchain (without parser) took 1460.01 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 63.5 MB in the beginning and 76.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:06:48,717 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 88.1 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 44.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:06:48,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1457.60 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 63.3 MB in the beginning and 76.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:06:48,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 88.1 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 44.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1457.60 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 63.3 MB in the beginning and 76.4 MB in the end (delta: -13.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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 00:06:51,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:06:51,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:06:51,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:06:51,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:06:51,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:06:51,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:06:51,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:06:51,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:06:51,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:06:51,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:06:51,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:06:51,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:06:51,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:06:51,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:06:51,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:06:51,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:06:51,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:06:51,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:06:51,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:06:51,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:06:51,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:06:51,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:06:51,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:06:51,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:06:51,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:06:51,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:06:51,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:06:51,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:06:51,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:06:51,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:06:51,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:06:51,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:06:51,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:06:51,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:06:51,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:06:51,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:06:51,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:06:51,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:06:51,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:06:51,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:06:51,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-13 00:06:51,254 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:06:51,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:06:51,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:06:51,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:06:51,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:06:51,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:06:51,256 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:06:51,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:06:51,257 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:06:51,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:06:51,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:06:51,257 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 00:06:51,257 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 00:06:51,257 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 00:06:51,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:06:51,258 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 00:06:51,258 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 00:06:51,258 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 00:06:51,258 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:06:51,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:06:51,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:06:51,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:06:51,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:06:51,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:06:51,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:06:51,260 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-13 00:06:51,260 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 00:06:51,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:06:51,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 00:06:51,260 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_92b27faf-d13a-4e7b-9228-724fe8087e5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2021-10-13 00:06:51,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:06:51,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:06:51,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:06:51,716 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:06:51,717 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:06:51,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-13 00:06:51,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/data/a0484b92c/7d99e86b1d7741a18217629fd3765497/FLAG652775a41 [2021-10-13 00:06:52,700 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:06:52,701 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-13 00:06:52,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/data/a0484b92c/7d99e86b1d7741a18217629fd3765497/FLAG652775a41 [2021-10-13 00:06:52,773 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b27faf-d13a-4e7b-9228-724fe8087e5d/bin/uautomizer-WNIpwEf4Nt/data/a0484b92c/7d99e86b1d7741a18217629fd3765497 [2021-10-13 00:06:52,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:06:52,780 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-13 00:06:52,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:06:52,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:06:52,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:06:52,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:06:52" (1/1) ... [2021-10-13 00:06:52,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28cc3243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:52, skipping insertion in model container [2021-10-13 00:06:52,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:06:52" (1/1) ... [2021-10-13 00:06:52,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:06:52,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:06:54,200 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-13 00:06:54,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b94906c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:06:54, skipping insertion in model container [2021-10-13 00:06:54,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:06:54,202 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-13 00:06:54,205 INFO L168 Benchmark]: Toolchain (without parser) took 1422.86 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 27.8 MB in the beginning and 37.2 MB in the end (delta: -9.4 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:06:54,207 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.2 MB in the end (delta: 42.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:06:54,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1420.50 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 27.6 MB in the beginning and 37.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:06:54,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.2 MB in the end (delta: 42.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1420.50 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 27.6 MB in the beginning and 37.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...