./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/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_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/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_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 --- 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 14:52:14,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:52:14,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:52:14,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:52:14,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:52:14,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:52:14,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:52:14,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:52:14,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:52:14,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:52:14,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:52:14,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:52:14,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:52:14,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:52:14,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:52:14,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:52:14,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:52:14,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:52:14,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:52:14,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:52:14,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:52:14,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:52:14,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:52:14,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:52:14,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:52:14,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:52:14,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:52:14,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:52:14,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:52:14,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:52:14,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:52:14,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:52:14,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:52:14,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:52:14,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:52:14,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:52:14,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:52:14,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:52:14,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:52:14,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:52:14,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:52:14,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-12-14 14:52:14,423 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:52:14,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:52:14,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:52:14,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:52:14,424 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:52:14,424 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:52:14,425 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:52:14,425 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:52:14,425 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:52:14,425 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:52:14,425 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:52:14,425 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:52:14,425 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:52:14,426 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:52:14,426 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:52:14,426 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:52:14,426 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:52:14,426 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:52:14,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 14:52:14,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 14:52:14,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:52:14,427 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:52:14,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:52:14,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:52:14,428 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 14:52:14,428 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 14:52:14,428 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 14:52:14,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:52:14,428 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:52:14,429 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:52:14,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:52:14,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:52:14,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:52:14,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:52:14,429 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:52:14,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:52:14,430 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:52:14,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:52:14,430 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:52:14,430 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_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2022-12-14 14:52:14,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:52:14,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:52:14,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:52:14,610 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:52:14,610 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:52:14,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-12-14 14:52:17,148 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:52:17,432 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:52:17,432 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-12-14 14:52:17,450 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/data/4741fcee8/682f219f39a74e47b8e0d9a7d14602a7/FLAG755a1b044 [2022-12-14 14:52:17,725 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/data/4741fcee8/682f219f39a74e47b8e0d9a7d14602a7 [2022-12-14 14:52:17,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:52:17,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:52:17,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:52:17,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:52:17,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:52:17,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:52:17" (1/1) ... [2022-12-14 14:52:17,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da199e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:52:17, skipping insertion in model container [2022-12-14 14:52:17,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:52:17" (1/1) ... [2022-12-14 14:52:17,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:52:17,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:52:18,902 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 14:52:18,909 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:52:18,911 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 14:52:18,913 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 14:52:18,925 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 14:52:18,929 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-12-14 14:52:18,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65e0f348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:52:18, skipping insertion in model container [2022-12-14 14:52:18,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:52:18,930 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 14:52:18,932 INFO L158 Benchmark]: Toolchain (without parser) took 1202.50ms. Allocated memory is still 127.9MB. Free memory was 88.6MB in the beginning and 56.3MB in the end (delta: 32.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 14:52:18,933 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 127.9MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:52:18,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1200.69ms. Allocated memory is still 127.9MB. Free memory was 88.2MB in the beginning and 56.3MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 14:52:18,935 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 127.9MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1200.69ms. Allocated memory is still 127.9MB. Free memory was 88.2MB in the beginning and 56.3MB in the end (delta: 31.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/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_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/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_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 --- 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 14:52:20,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:52:20,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:52:20,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:52:20,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:52:20,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:52:20,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:52:20,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:52:20,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:52:20,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:52:20,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:52:20,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:52:20,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:52:20,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:52:20,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:52:20,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:52:20,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:52:20,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:52:20,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:52:20,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:52:20,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:52:20,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:52:20,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:52:20,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:52:20,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:52:20,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:52:20,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:52:20,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:52:20,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:52:20,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:52:20,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:52:20,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:52:20,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:52:20,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:52:20,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:52:20,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:52:20,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:52:20,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:52:20,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:52:20,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:52:20,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:52:20,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-12-14 14:52:20,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:52:20,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:52:20,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:52:20,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:52:20,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:52:20,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:52:20,294 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:52:20,295 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:52:20,295 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:52:20,295 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:52:20,295 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:52:20,295 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:52:20,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 14:52:20,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 14:52:20,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:52:20,296 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:52:20,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:52:20,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:52:20,297 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 14:52:20,297 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 14:52:20,297 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 14:52:20,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:52:20,297 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:52:20,298 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 14:52:20,298 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 14:52:20,298 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:52:20,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:52:20,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 14:52:20,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:52:20,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:52:20,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:52:20,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:52:20,299 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 14:52:20,299 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 14:52:20,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:52:20,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 14:52:20,300 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_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2022-12-14 14:52:20,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:52:20,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:52:20,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:52:20,533 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:52:20,534 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:52:20,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-12-14 14:52:23,114 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:52:23,357 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:52:23,357 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-12-14 14:52:23,374 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/data/efaab60e0/0a571b2bcef84729abf06418db219074/FLAG326f4137c [2022-12-14 14:52:23,386 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63768f9-ad3f-4d3c-88ab-a23e51f8c52a/bin/utaipan-gh47qXpMRh/data/efaab60e0/0a571b2bcef84729abf06418db219074 [2022-12-14 14:52:23,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:52:23,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:52:23,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:52:23,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:52:23,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:52:23,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:52:23" (1/1) ... [2022-12-14 14:52:23,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4fa1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:52:23, skipping insertion in model container [2022-12-14 14:52:23,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:52:23" (1/1) ... [2022-12-14 14:52:23,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:52:23,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:52:24,313 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 14:52:24,319 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:52:24,319 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 14:52:24,321 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 14:52:24,329 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 14:52:24,333 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-12-14 14:52:24,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7711a404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:52:24, skipping insertion in model container [2022-12-14 14:52:24,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:52:24,334 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 14:52:24,335 INFO L158 Benchmark]: Toolchain (without parser) took 945.44ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 40.3MB in the beginning and 49.8MB in the end (delta: -9.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-12-14 14:52:24,335 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:52:24,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 943.88ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 40.1MB in the beginning and 49.8MB in the end (delta: -9.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-12-14 14:52:24,337 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 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 943.88ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 40.1MB in the beginning and 49.8MB in the end (delta: -9.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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