./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur --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 3cbff2250ada9b487f5aadc00e4efefb8dcc6fbb7ccba4227efd9fa51d2a2e6c --- 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-38b53e6 [2022-11-26 00:29:38,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:29:38,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:29:38,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:29:38,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:29:38,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:29:38,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:29:38,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:29:38,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:29:38,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:29:38,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:29:38,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:29:38,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:29:38,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:29:38,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:29:38,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:29:38,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:29:38,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:29:38,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:29:38,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:29:38,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:29:38,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:29:38,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:29:38,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:29:38,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:29:38,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:29:38,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:29:38,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:29:38,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:29:38,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:29:38,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:29:38,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:29:38,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:29:38,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:29:38,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:29:38,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:29:38,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:29:38,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:29:38,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:29:38,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:29:38,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:29:38,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-26 00:29:38,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:29:38,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:29:38,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:29:38,531 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:29:38,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:29:38,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:29:38,532 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:29:38,532 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:29:38,532 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:29:38,533 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:29:38,533 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:29:38,533 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:29:38,533 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:29:38,534 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:29:38,534 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:29:38,534 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:29:38,535 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:29:38,535 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:29:38,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:29:38,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:29:38,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:29:38,536 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:29:38,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:29:38,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:29:38,537 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:29:38,537 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:29:38,538 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:29:38,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:29:38,538 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:29:38,538 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:29:38,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:29:38,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:29:38,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:29:38,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:29:38,540 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:29:38,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:29:38,540 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:29:38,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:29:38,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:29:38,541 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_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cbff2250ada9b487f5aadc00e4efefb8dcc6fbb7ccba4227efd9fa51d2a2e6c [2022-11-26 00:29:38,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:29:38,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:29:38,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:29:38,848 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:29:38,849 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:29:38,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2022-11-26 00:29:41,851 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:29:42,259 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:29:42,260 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2022-11-26 00:29:42,286 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/data/3d87c0c1a/7241a2b1f3f147b89445c6298bd51a46/FLAG2d96cad4e [2022-11-26 00:29:42,304 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/data/3d87c0c1a/7241a2b1f3f147b89445c6298bd51a46 [2022-11-26 00:29:42,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:29:42,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:29:42,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:29:42,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:29:42,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:29:42,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:42" (1/1) ... [2022-11-26 00:29:42,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b0541d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:42, skipping insertion in model container [2022-11-26 00:29:42,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:42" (1/1) ... [2022-11-26 00:29:42,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:29:42,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:29:43,545 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:29:43,548 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:29:43,575 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:29:43,577 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:29:43,583 WARN L623 FunctionHandler]: Unknown extern function write [2022-11-26 00:29:43,588 WARN L623 FunctionHandler]: Unknown extern function usleep [2022-11-26 00:29:43,593 WARN L623 FunctionHandler]: Unknown extern function longjmp [2022-11-26 00:29:43,594 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-26 00:29:43,604 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 [2022-11-26 00:29:43,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8eea646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:43, skipping insertion in model container [2022-11-26 00:29:43,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:29:43,605 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:29:43,607 INFO L158 Benchmark]: Toolchain (without parser) took 1295.13ms. Allocated memory is still 188.7MB. Free memory was 145.3MB in the beginning and 120.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-26 00:29:43,608 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 132.1MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:29:43,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1290.69ms. Allocated memory is still 188.7MB. Free memory was 145.3MB in the beginning and 120.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-26 00:29:43,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 132.1MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1290.69ms. Allocated memory is still 188.7MB. Free memory was 145.3MB in the beginning and 120.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2479]: 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur --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 3cbff2250ada9b487f5aadc00e4efefb8dcc6fbb7ccba4227efd9fa51d2a2e6c --- 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-38b53e6 [2022-11-26 00:29:45,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:29:45,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:29:45,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:29:45,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:29:45,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:29:45,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:29:45,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:29:45,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:29:45,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:29:45,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:29:45,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:29:45,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:29:45,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:29:45,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:29:45,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:29:45,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:29:45,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:29:45,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:29:45,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:29:45,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:29:45,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:29:45,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:29:45,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:29:45,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:29:45,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:29:45,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:29:45,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:29:45,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:29:45,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:29:45,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:29:45,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:29:45,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:29:45,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:29:45,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:29:45,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:29:45,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:29:45,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:29:45,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:29:45,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:29:45,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:29:45,870 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-26 00:29:45,910 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:29:45,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:29:45,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:29:45,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:29:45,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:29:45,912 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:29:45,912 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:29:45,913 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:29:45,913 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:29:45,913 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:29:45,913 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:29:45,914 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:29:45,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:29:45,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:29:45,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:29:45,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:29:45,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:29:45,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:29:45,916 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:29:45,916 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:29:45,917 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:29:45,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:29:45,917 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:29:45,918 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:29:45,918 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:29:45,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:29:45,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:29:45,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:29:45,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:29:45,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:29:45,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:29:45,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:29:45,920 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:29:45,920 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:29:45,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:29:45,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:29:45,921 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_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cbff2250ada9b487f5aadc00e4efefb8dcc6fbb7ccba4227efd9fa51d2a2e6c [2022-11-26 00:29:46,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:29:46,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:29:46,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:29:46,337 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:29:46,338 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:29:46,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2022-11-26 00:29:49,520 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:29:49,981 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:29:49,982 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2022-11-26 00:29:50,006 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/data/1cf51da42/a4ca3125f46d46b7834d8beeb7fda5f1/FLAGfdc292150 [2022-11-26 00:29:50,031 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5815f704-0707-4949-83a7-e1e164b75ff7/bin/utaipan-ByfvJB40ur/data/1cf51da42/a4ca3125f46d46b7834d8beeb7fda5f1 [2022-11-26 00:29:50,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:29:50,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:29:50,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:29:50,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:29:50,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:29:50,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:50" (1/1) ... [2022-11-26 00:29:50,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1060a623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:50, skipping insertion in model container [2022-11-26 00:29:50,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:50" (1/1) ... [2022-11-26 00:29:50,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:29:50,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:29:51,224 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:29:51,227 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:29:51,240 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:29:51,241 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:29:51,247 WARN L623 FunctionHandler]: Unknown extern function write [2022-11-26 00:29:51,251 WARN L623 FunctionHandler]: Unknown extern function usleep [2022-11-26 00:29:51,253 WARN L623 FunctionHandler]: Unknown extern function longjmp [2022-11-26 00:29:51,254 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-26 00:29:51,262 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 [2022-11-26 00:29:51,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8610a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:51, skipping insertion in model container [2022-11-26 00:29:51,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:29:51,263 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:29:51,265 INFO L158 Benchmark]: Toolchain (without parser) took 1226.79ms. Allocated memory is still 83.9MB. Free memory was 58.0MB in the beginning and 54.5MB in the end (delta: 3.6MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-26 00:29:51,265 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 36.1MB in the end (delta: 58.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:29:51,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1222.10ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 54.5MB in the end (delta: 3.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-26 00:29:51,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 36.2MB in the beginning and 36.1MB in the end (delta: 58.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1222.10ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 54.5MB in the end (delta: 3.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2479]: 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