./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh --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 efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 --- 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-2329fc7 [2022-12-14 06:35:52,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:35:52,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:35:52,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:35:52,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:35:52,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:35:52,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:35:52,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:35:52,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:35:52,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:35:52,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:35:52,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:35:52,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:35:52,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:35:52,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:35:52,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:35:52,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:35:52,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:35:52,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:35:52,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:35:52,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:35:52,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:35:52,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:35:52,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:35:52,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:35:52,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:35:52,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:35:52,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:35:52,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:35:52,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:35:52,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:35:52,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:35:52,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:35:52,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:35:52,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:35:52,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:35:52,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:35:52,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:35:52,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:35:52,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:35:52,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:35:52,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 06:35:52,402 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:35:52,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:35:52,403 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:35:52,403 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:35:52,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:35:52,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:35:52,404 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:35:52,404 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:35:52,404 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:35:52,404 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:35:52,404 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:35:52,404 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:35:52,404 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:35:52,404 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:35:52,405 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:35:52,405 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:35:52,405 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:35:52,405 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:35:52,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 06:35:52,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 06:35:52,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:35:52,406 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:35:52,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:35:52,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:35:52,406 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 06:35:52,406 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 06:35:52,406 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 06:35:52,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:35:52,407 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:35:52,407 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:35:52,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:35:52,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:35:52,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:35:52,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:35:52,407 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:35:52,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:35:52,408 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:35:52,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:35:52,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:35:52,408 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_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 [2022-12-14 06:35:52,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:35:52,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:35:52,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:35:52,589 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:35:52,589 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:35:52,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2022-12-14 06:35:55,192 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:35:55,448 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:35:55,449 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2022-12-14 06:35:55,464 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/data/f4ee1593b/04c3cf8ee1354a629afe062876fc77b5/FLAGf6f0eaf72 [2022-12-14 06:35:55,474 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/data/f4ee1593b/04c3cf8ee1354a629afe062876fc77b5 [2022-12-14 06:35:55,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:35:55,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:35:55,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:35:55,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:35:55,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:35:55,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:35:55" (1/1) ... [2022-12-14 06:35:55,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea67244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:55, skipping insertion in model container [2022-12-14 06:35:55,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:35:55" (1/1) ... [2022-12-14 06:35:55,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:35:55,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:35:56,364 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 06:35:56,365 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 06:35:56,366 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 06:35:56,376 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 06:35:56,377 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 06:35:56,398 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 [2022-12-14 06:35:56,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b99893c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:35:56, skipping insertion in model container [2022-12-14 06:35:56,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:35:56,399 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 06:35:56,400 INFO L158 Benchmark]: Toolchain (without parser) took 922.71ms. Allocated memory is still 130.0MB. Free memory was 91.5MB in the beginning and 63.0MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 06:35:56,400 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 102.8MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:35:56,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 921.04ms. Allocated memory is still 130.0MB. Free memory was 91.5MB in the beginning and 63.0MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 06:35:56,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 102.8MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 921.04ms. Allocated memory is still 130.0MB. Free memory was 91.5MB in the beginning and 63.0MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh --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 efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 --- 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-2329fc7 [2022-12-14 06:35:57,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:35:57,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:35:57,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:35:57,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:35:57,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:35:57,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:35:57,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:35:57,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:35:57,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:35:57,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:35:57,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:35:57,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:35:57,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:35:57,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:35:57,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:35:57,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:35:57,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:35:57,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:35:57,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:35:57,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:35:57,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:35:57,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:35:57,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:35:57,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:35:57,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:35:57,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:35:57,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:35:57,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:35:57,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:35:57,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:35:57,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:35:57,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:35:57,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:35:57,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:35:57,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:35:57,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:35:57,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:35:57,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:35:57,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:35:57,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:35:57,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 06:35:57,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:35:57,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:35:57,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:35:57,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:35:57,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:35:57,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:35:57,908 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:35:57,908 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:35:57,908 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:35:57,908 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:35:57,908 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:35:57,908 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:35:57,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 06:35:57,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 06:35:57,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:35:57,909 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:35:57,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:35:57,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:35:57,910 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 06:35:57,910 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 06:35:57,910 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 06:35:57,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:35:57,910 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:35:57,911 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 06:35:57,911 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 06:35:57,911 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:35:57,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:35:57,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 06:35:57,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:35:57,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:35:57,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:35:57,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:35:57,912 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 06:35:57,912 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 06:35:57,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:35:57,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 06:35:57,913 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_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbd644a4f2fdb07aa594786bff63c8c6bd3ce82d2b68f53d875efbd89bba6a1 [2022-12-14 06:35:58,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:35:58,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:35:58,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:35:58,152 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:35:58,152 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:35:58,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2022-12-14 06:36:00,763 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:36:01,014 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:36:01,014 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2022-12-14 06:36:01,030 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/data/f0c44332c/79adb96e3f024a5195bec8675258010f/FLAG6f7a8d2be [2022-12-14 06:36:01,041 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e68e103-fa6c-4ccd-a61a-3e1a81ade135/bin/utaipan-gh47qXpMRh/data/f0c44332c/79adb96e3f024a5195bec8675258010f [2022-12-14 06:36:01,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:36:01,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:36:01,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:36:01,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:36:01,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:36:01,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:01" (1/1) ... [2022-12-14 06:36:01,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512f313a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:01, skipping insertion in model container [2022-12-14 06:36:01,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:01" (1/1) ... [2022-12-14 06:36:01,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:36:01,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:36:01,764 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 06:36:01,765 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 06:36:01,767 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 06:36:01,776 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 06:36:01,777 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 06:36:01,798 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 [2022-12-14 06:36:01,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54ccc05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:01, skipping insertion in model container [2022-12-14 06:36:01,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:36:01,798 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 06:36:01,800 INFO L158 Benchmark]: Toolchain (without parser) took 755.07ms. Allocated memory is still 77.6MB. Free memory was 51.3MB in the beginning and 41.6MB in the end (delta: 9.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-12-14 06:36:01,800 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory was 26.6MB in the beginning and 26.6MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:36:01,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.56ms. Allocated memory is still 77.6MB. Free memory was 51.1MB in the beginning and 41.6MB in the end (delta: 9.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2022-12-14 06:36:01,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory was 26.6MB in the beginning and 26.6MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.56ms. Allocated memory is still 77.6MB. Free memory was 51.1MB in the beginning and 41.6MB in the end (delta: 9.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: 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