./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:47:09,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:47:09,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:47:09,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:47:09,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:47:09,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:47:09,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:47:09,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:47:09,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:47:09,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:47:09,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:47:09,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:47:09,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:47:09,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:47:09,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:47:09,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:47:09,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:47:09,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:47:09,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:47:09,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:47:09,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:47:09,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:47:09,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:47:09,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:47:09,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:47:09,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:47:09,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:47:09,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:47:09,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:47:09,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:47:09,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:47:09,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:47:09,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:47:09,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:47:09,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:47:09,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:47:09,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:47:09,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:47:09,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:47:09,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:47:09,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:47:09,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-23 03:47:09,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:47:09,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:47:09,681 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:47:09,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:47:09,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:47:09,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:47:09,684 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:47:09,684 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:47:09,684 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:47:09,685 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:47:09,686 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:47:09,686 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:47:09,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:47:09,687 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:47:09,687 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:47:09,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:47:09,688 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:47:09,688 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:47:09,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:47:09,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:47:09,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:47:09,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:47:09,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:47:09,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:47:09,693 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 03:47:09,693 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 03:47:09,693 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 03:47:09,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:47:09,694 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:47:09,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:47:09,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:47:09,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:47:09,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:47:09,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:47:09,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:47:09,696 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:47:09,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:47:09,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:47:09,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:47:09,697 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 [2021-11-23 03:47:10,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:47:10,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:47:10,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:47:10,041 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:47:10,042 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:47:10,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2021-11-23 03:47:10,131 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/data/b30099dc9/da8d04ac32d742ae90fe871cb6c42def/FLAGe0a52dd17 [2021-11-23 03:47:10,922 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:47:10,925 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2021-11-23 03:47:10,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/data/b30099dc9/da8d04ac32d742ae90fe871cb6c42def/FLAGe0a52dd17 [2021-11-23 03:47:11,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/data/b30099dc9/da8d04ac32d742ae90fe871cb6c42def [2021-11-23 03:47:11,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:47:11,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:47:11,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:47:11,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:47:11,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:47:11,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:11" (1/1) ... [2021-11-23 03:47:11,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbe767f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:11, skipping insertion in model container [2021-11-23 03:47:11,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:11" (1/1) ... [2021-11-23 03:47:11,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:47:11,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:47:12,339 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-11-23 03:47:12,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@747461c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:12, skipping insertion in model container [2021-11-23 03:47:12,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:47:12,341 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:47:12,343 INFO L158 Benchmark]: Toolchain (without parser) took 1311.41ms. Allocated memory is still 113.2MB. Free memory was 67.7MB in the beginning and 76.9MB in the end (delta: -9.1MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 03:47:12,344 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 113.2MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:47:12,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1306.43ms. Allocated memory is still 113.2MB. Free memory was 67.5MB in the beginning and 76.9MB in the end (delta: -9.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 03:47:12,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 113.2MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1306.43ms. Allocated memory is still 113.2MB. Free memory was 67.5MB in the beginning and 76.9MB in the end (delta: -9.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2439]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:47:14,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:47:14,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:47:15,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:47:15,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:47:15,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:47:15,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:47:15,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:47:15,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:47:15,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:47:15,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:47:15,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:47:15,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:47:15,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:47:15,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:47:15,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:47:15,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:47:15,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:47:15,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:47:15,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:47:15,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:47:15,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:47:15,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:47:15,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:47:15,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:47:15,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:47:15,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:47:15,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:47:15,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:47:15,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:47:15,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:47:15,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:47:15,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:47:15,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:47:15,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:47:15,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:47:15,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:47:15,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:47:15,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:47:15,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:47:15,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:47:15,090 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-23 03:47:15,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:47:15,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:47:15,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:47:15,138 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:47:15,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:47:15,142 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:47:15,143 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:47:15,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:47:15,143 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:47:15,143 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:47:15,145 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:47:15,145 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:47:15,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 03:47:15,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 03:47:15,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:47:15,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:47:15,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:47:15,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:47:15,148 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 03:47:15,148 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 03:47:15,149 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 03:47:15,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:47:15,149 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 03:47:15,149 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 03:47:15,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 03:47:15,150 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:47:15,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:47:15,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 03:47:15,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:47:15,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:47:15,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:47:15,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:47:15,152 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 03:47:15,152 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 03:47:15,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:47:15,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:47:15,153 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_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a13116cc268d39d83f5178ab05dd167f5c2b863e14e2c3929c8638dce05791 [2021-11-23 03:47:15,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:47:15,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:47:15,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:47:15,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:47:15,636 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:47:15,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2021-11-23 03:47:15,723 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/data/80662bc5c/f4c0a0c5170843009262c8b4556c0d96/FLAG778bc37ea [2021-11-23 03:47:16,639 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:47:16,640 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/sv-benchmarks/c/busybox-1.22.0/whoami-incomplete-2.i [2021-11-23 03:47:16,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/data/80662bc5c/f4c0a0c5170843009262c8b4556c0d96/FLAG778bc37ea [2021-11-23 03:47:16,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ad3c423-5933-46c8-89de-add243773141/bin/utaipan-EQgc7hIp5V/data/80662bc5c/f4c0a0c5170843009262c8b4556c0d96 [2021-11-23 03:47:16,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:47:16,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:47:16,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:47:16,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:47:16,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:47:16,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:16" (1/1) ... [2021-11-23 03:47:16,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2846b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:16, skipping insertion in model container [2021-11-23 03:47:16,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:16" (1/1) ... [2021-11-23 03:47:16,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:47:16,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:47:18,525 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-11-23 03:47:18,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@577d6e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:18, skipping insertion in model container [2021-11-23 03:47:18,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:47:18,529 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 03:47:18,532 INFO L158 Benchmark]: Toolchain (without parser) took 1816.72ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 39.3MB in the beginning and 53.1MB in the end (delta: -13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 03:47:18,534 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 60.8MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:47:18,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1811.81ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 39.0MB in the beginning and 53.1MB in the end (delta: -14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 03:47:18,539 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 60.8MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1811.81ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 39.0MB in the beginning and 53.1MB in the end (delta: -14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2439]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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