./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-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_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta --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 a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- 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 17:22:26,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:22:26,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:22:26,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:22:26,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:22:26,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:22:26,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:22:26,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:22:26,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:22:26,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:22:26,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:22:26,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:22:26,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:22:26,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:22:26,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:22:26,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:22:26,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:22:26,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:22:26,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:22:26,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:22:26,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:22:26,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:22:26,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:22:26,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:22:26,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:22:26,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:22:26,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:22:26,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:22:26,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:22:26,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:22:26,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:22:26,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:22:26,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:22:26,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:22:26,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:22:26,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:22:26,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:22:26,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:22:26,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:22:26,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:22:26,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:22:26,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-10-17 17:22:26,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:22:26,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:22:26,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:22:26,654 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:22:26,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:22:26,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:22:26,656 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:22:26,656 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:22:26,657 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:22:26,657 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:22:26,658 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:22:26,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:22:26,659 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:22:26,659 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:22:26,660 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:22:26,660 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:22:26,660 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:22:26,661 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:22:26,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:22:26,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:22:26,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:22:26,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:22:26,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:22:26,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:22:26,664 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:22:26,664 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:22:26,664 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:22:26,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:22:26,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:22:26,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:22:26,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:22:26,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:22:26,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:22:26,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:22:26,667 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:22:26,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:22:26,668 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:22:26,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:22:26,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:22:26,669 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_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2022-10-17 17:22:26,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:22:27,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:22:27,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:22:27,010 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:22:27,011 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:22:27,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-10-17 17:22:27,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/data/ede6e0dfa/9ce146e7f62143e499e401c0ad1e5048/FLAG91f2f46a6 [2022-10-17 17:22:28,022 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:22:28,023 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-10-17 17:22:28,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/data/ede6e0dfa/9ce146e7f62143e499e401c0ad1e5048/FLAG91f2f46a6 [2022-10-17 17:22:28,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/data/ede6e0dfa/9ce146e7f62143e499e401c0ad1e5048 [2022-10-17 17:22:28,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:22:28,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:22:28,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:22:28,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:22:28,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:22:28,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:28" (1/1) ... [2022-10-17 17:22:28,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728b0bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:28, skipping insertion in model container [2022-10-17 17:22:28,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:28" (1/1) ... [2022-10-17 17:22:28,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:22:28,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:22:30,183 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-10-17 17:22:30,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22eead5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:30, skipping insertion in model container [2022-10-17 17:22:30,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:22:30,185 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 17:22:30,188 INFO L158 Benchmark]: Toolchain (without parser) took 1607.47ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 55.2MB in the beginning and 80.1MB in the end (delta: -24.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-10-17 17:22:30,189 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:22:30,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1603.98ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 55.0MB in the beginning and 80.1MB in the end (delta: -25.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-10-17 17:22:30,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1603.98ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 55.0MB in the beginning and 80.1MB in the end (delta: -25.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta --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 a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 --- 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 17:22:32,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:22:32,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:22:32,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:22:32,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:22:32,910 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:22:32,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:22:32,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:22:32,919 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:22:32,920 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:22:32,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:22:32,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:22:32,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:22:32,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:22:32,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:22:32,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:22:32,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:22:32,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:22:32,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:22:32,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:22:32,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:22:32,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:22:32,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:22:32,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:22:32,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:22:32,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:22:32,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:22:32,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:22:32,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:22:32,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:22:32,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:22:32,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:22:32,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:22:32,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:22:32,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:22:32,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:22:32,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:22:32,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:22:32,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:22:32,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:22:32,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:22:32,972 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-10-17 17:22:33,006 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:22:33,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:22:33,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:22:33,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:22:33,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:22:33,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:22:33,009 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:22:33,009 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:22:33,009 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:22:33,010 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:22:33,010 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:22:33,010 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:22:33,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:22:33,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:22:33,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:22:33,012 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:22:33,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:22:33,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:22:33,013 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:22:33,013 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:22:33,013 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:22:33,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:22:33,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:22:33,014 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:22:33,014 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:22:33,014 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:22:33,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:22:33,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 17:22:33,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:22:33,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:22:33,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:22:33,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:22:33,016 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:22:33,017 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:22:33,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:22:33,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:22:33,017 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_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1bb832e4d0e7c4dd1ff4f93df210c31ebafb64a6fafe0f8b3e3b578f6bcdd32 [2022-10-17 17:22:33,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:22:33,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:22:33,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:22:33,549 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:22:33,550 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:22:33,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-10-17 17:22:33,642 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/data/df61d7e8b/1ba858104c4742f6a2d4e921d8443a06/FLAG37c85ff8a [2022-10-17 17:22:34,582 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:22:34,583 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/sv-benchmarks/c/busybox-1.22.0/head-2.i [2022-10-17 17:22:34,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/data/df61d7e8b/1ba858104c4742f6a2d4e921d8443a06/FLAG37c85ff8a [2022-10-17 17:22:34,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca04fc3f-1340-4b56-a6e9-6ed0e9bf5134/bin/utaipan-G1rejxKTta/data/df61d7e8b/1ba858104c4742f6a2d4e921d8443a06 [2022-10-17 17:22:34,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:22:34,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:22:34,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:22:34,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:22:34,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:22:34,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:34" (1/1) ... [2022-10-17 17:22:34,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@206520c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:34, skipping insertion in model container [2022-10-17 17:22:34,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:34" (1/1) ... [2022-10-17 17:22:34,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:22:34,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:22:36,381 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-10-17 17:22:36,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b7240d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:36, skipping insertion in model container [2022-10-17 17:22:36,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:22:36,385 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 17:22:36,389 INFO L158 Benchmark]: Toolchain (without parser) took 1725.75ms. Allocated memory is still 69.2MB. Free memory was 40.0MB in the beginning and 38.6MB in the end (delta: 1.4MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-10-17 17:22:36,390 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 50.3MB. Free memory was 29.8MB in the beginning and 29.8MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:22:36,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1718.86ms. Allocated memory is still 69.2MB. Free memory was 39.7MB in the beginning and 38.6MB in the end (delta: 1.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-10-17 17:22:36,395 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 50.3MB. Free memory was 29.8MB in the beginning and 29.8MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1718.86ms. Allocated memory is still 69.2MB. Free memory was 39.7MB in the beginning and 38.6MB in the end (delta: 1.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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