./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/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_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:20:47,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:20:47,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:20:47,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:20:47,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:20:47,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:20:47,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:20:47,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:20:47,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:20:47,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:20:47,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:20:47,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:20:47,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:20:47,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:20:47,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:20:47,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:20:47,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:20:47,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:20:47,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:20:47,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:20:47,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:20:47,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:20:47,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:20:47,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:20:47,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:20:47,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:20:47,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:20:47,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:20:47,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:20:47,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:20:47,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:20:47,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:20:47,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:20:47,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:20:47,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:20:47,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:20:47,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:20:47,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:20:47,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:20:47,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:20:47,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:20:47,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-10-17 10:20:48,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:20:48,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:20:48,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:20:48,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:20:48,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:20:48,013 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:20:48,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:20:48,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:20:48,015 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:20:48,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:20:48,017 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:20:48,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:20:48,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:20:48,018 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 10:20:48,018 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 10:20:48,018 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 10:20:48,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:20:48,019 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 10:20:48,019 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:20:48,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:20:48,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:20:48,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:20:48,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:20:48,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:20:48,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:20:48,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:20:48,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:20:48,025 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_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-10-17 10:20:48,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:20:48,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:20:48,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:20:48,375 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:20:48,376 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:20:48,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-10-17 10:20:48,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/data/ed516285f/b64e1f2277aa4b44915c1e0b2cdcb32c/FLAG0f28a56da [2022-10-17 10:20:49,157 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:20:49,157 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-10-17 10:20:49,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/data/ed516285f/b64e1f2277aa4b44915c1e0b2cdcb32c/FLAG0f28a56da [2022-10-17 10:20:49,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/data/ed516285f/b64e1f2277aa4b44915c1e0b2cdcb32c [2022-10-17 10:20:49,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:20:49,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:20:49,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:20:49,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:20:49,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:20:49,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:20:49" (1/1) ... [2022-10-17 10:20:49,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@640167f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:49, skipping insertion in model container [2022-10-17 10:20:49,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:20:49" (1/1) ... [2022-10-17 10:20:49,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:20:49,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:20:50,688 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 [2022-10-17 10:20:50,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@679e7053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:50, skipping insertion in model container [2022-10-17 10:20:50,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:20:50,689 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 10:20:50,691 INFO L158 Benchmark]: Toolchain (without parser) took 1373.94ms. Allocated memory is still 111.1MB. Free memory was 64.1MB in the beginning and 69.9MB in the end (delta: -5.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-10-17 10:20:50,692 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 111.1MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:20:50,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1371.04ms. Allocated memory is still 111.1MB. Free memory was 63.9MB in the beginning and 69.9MB in the end (delta: -6.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-10-17 10:20:50,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 111.1MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1371.04ms. Allocated memory is still 111.1MB. Free memory was 63.9MB in the beginning and 69.9MB in the end (delta: -6.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/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_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:20:53,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:20:53,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:20:53,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:20:53,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:20:53,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:20:53,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:20:53,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:20:53,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:20:53,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:20:53,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:20:53,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:20:53,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:20:53,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:20:53,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:20:53,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:20:53,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:20:53,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:20:53,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:20:53,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:20:53,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:20:53,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:20:53,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:20:53,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:20:53,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:20:53,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:20:53,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:20:53,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:20:53,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:20:53,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:20:53,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:20:53,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:20:53,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:20:53,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:20:53,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:20:53,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:20:53,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:20:53,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:20:53,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:20:53,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:20:53,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:20:53,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-10-17 10:20:53,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:20:53,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:20:53,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:20:53,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:20:53,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:20:53,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:20:53,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:20:53,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:20:53,341 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:20:53,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:20:53,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:20:53,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:20:53,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:20:53,342 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 10:20:53,342 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 10:20:53,342 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 10:20:53,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:20:53,343 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 10:20:53,343 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 10:20:53,343 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 10:20:53,343 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:20:53,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:20:53,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:20:53,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:20:53,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:20:53,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:20:53,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:20:53,345 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-10-17 10:20:53,345 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 10:20:53,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 10:20:53,346 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_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-10-17 10:20:53,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:20:53,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:20:53,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:20:53,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:20:53,746 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:20:53,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-10-17 10:20:53,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/data/fe880538a/5ee72c14cab54b75af11f7a68b003354/FLAG8ba3f216c [2022-10-17 10:20:54,668 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:20:54,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-10-17 10:20:54,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/data/fe880538a/5ee72c14cab54b75af11f7a68b003354/FLAG8ba3f216c [2022-10-17 10:20:54,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6d00631-4ee2-427b-80e5-ca200bb4e71b/bin/uautomizer-J5u9QxTXDZ/data/fe880538a/5ee72c14cab54b75af11f7a68b003354 [2022-10-17 10:20:54,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:20:54,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:20:54,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:20:54,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:20:54,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:20:54,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:20:54" (1/1) ... [2022-10-17 10:20:54,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335b499b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:54, skipping insertion in model container [2022-10-17 10:20:54,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:20:54" (1/1) ... [2022-10-17 10:20:54,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:20:54,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:20:56,331 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 [2022-10-17 10:20:56,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51503bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:20:56, skipping insertion in model container [2022-10-17 10:20:56,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:20:56,336 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 10:20:56,338 INFO L158 Benchmark]: Toolchain (without parser) took 1578.76ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 38.4MB in the end (delta: 8.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-10-17 10:20:56,340 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 56.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:20:56,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1574.15ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 38.6MB in the end (delta: 8.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-10-17 10:20:56,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 56.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1574.15ms. Allocated memory is still 71.3MB. Free memory was 46.8MB in the beginning and 38.6MB in the end (delta: 8.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN