./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f 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_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0 --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 f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 --- 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-e04fb08 [2022-11-16 15:59:52,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:59:52,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:59:52,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:59:52,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:59:52,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:59:52,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:59:52,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:59:52,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:59:52,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:59:52,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:59:52,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:59:52,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:59:52,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:59:52,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:59:52,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:59:52,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:59:52,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:59:52,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:59:52,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:59:52,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:59:52,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:59:52,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:59:52,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:59:52,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:59:52,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:59:52,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:59:52,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:59:52,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:59:52,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:59:52,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:59:52,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:59:52,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:59:52,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:59:52,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:59:52,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:59:52,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:59:52,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:59:52,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:59:52,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:59:52,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:59:52,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-16 15:59:52,604 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:59:52,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:59:52,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:59:52,605 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:59:52,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:59:52,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:59:52,607 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:59:52,607 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:59:52,607 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:59:52,608 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 15:59:52,609 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:59:52,609 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:59:52,609 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 15:59:52,609 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 15:59:52,610 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:59:52,610 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 15:59:52,610 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 15:59:52,610 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 15:59:52,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 15:59:52,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 15:59:52,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:59:52,613 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 15:59:52,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:59:52,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:59:52,614 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 15:59:52,614 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 15:59:52,614 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 15:59:52,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:59:52,614 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 15:59:52,615 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:59:52,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:59:52,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:59:52,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:59:52,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:59:52,616 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 15:59:52,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:59:52,616 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 15:59:52,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 15:59:52,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:59:52,617 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_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 [2022-11-16 15:59:52,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:59:52,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:59:52,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:59:52,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:59:52,938 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:59:52,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2022-11-16 15:59:53,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/data/98bf36cb9/30b7d78c381a444fa5c3763b2830b8e7/FLAG5e4162524 [2022-11-16 15:59:53,754 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:59:53,759 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2022-11-16 15:59:53,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/data/98bf36cb9/30b7d78c381a444fa5c3763b2830b8e7/FLAG5e4162524 [2022-11-16 15:59:53,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/data/98bf36cb9/30b7d78c381a444fa5c3763b2830b8e7 [2022-11-16 15:59:53,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:59:53,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:59:53,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:59:53,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:59:53,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:59:53,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:59:53" (1/1) ... [2022-11-16 15:59:53,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afbca5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:59:53, skipping insertion in model container [2022-11-16 15:59:53,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:59:53" (1/1) ... [2022-11-16 15:59:53,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:59:54,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:59:55,167 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-16 15:59:55,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2301e7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:59:55, skipping insertion in model container [2022-11-16 15:59:55,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:59:55,168 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 15:59:55,170 INFO L158 Benchmark]: Toolchain (without parser) took 1250.33ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 81.9MB in the end (delta: -11.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-11-16 15:59:55,170 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 15:59:55,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1245.47ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 81.9MB in the end (delta: -12.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-11-16 15:59:55,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1245.47ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 81.9MB in the end (delta: -12.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0 --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 f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 --- 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-e04fb08 [2022-11-16 15:59:57,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:59:57,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:59:57,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:59:57,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:59:57,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:59:57,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:59:57,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:59:57,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:59:57,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:59:57,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:59:57,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:59:57,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:59:57,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:59:57,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:59:57,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:59:57,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:59:57,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:59:57,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:59:57,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:59:57,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:59:57,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:59:57,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:59:57,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:59:57,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:59:57,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:59:57,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:59:57,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:59:57,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:59:57,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:59:57,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:59:57,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:59:57,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:59:57,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:59:57,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:59:57,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:59:57,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:59:57,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:59:57,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:59:57,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:59:57,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:59:57,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-16 15:59:57,400 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:59:57,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:59:57,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:59:57,401 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:59:57,401 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:59:57,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:59:57,402 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:59:57,402 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:59:57,402 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:59:57,403 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:59:57,403 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:59:57,403 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:59:57,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 15:59:57,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 15:59:57,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:59:57,405 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 15:59:57,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:59:57,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:59:57,405 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 15:59:57,406 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 15:59:57,406 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 15:59:57,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:59:57,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 15:59:57,407 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 15:59:57,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 15:59:57,407 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:59:57,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:59:57,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 15:59:57,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:59:57,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:59:57,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:59:57,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:59:57,409 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 15:59:57,409 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 15:59:57,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:59:57,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 15:59:57,410 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_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f413b577286a4be9f33b6011f73818af8624093161867daff16d926c6c622952 [2022-11-16 15:59:57,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:59:57,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:59:57,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:59:57,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:59:57,816 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:59:57,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2022-11-16 15:59:57,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/data/00e1f5419/83e77c6225d14749bb498953e8228665/FLAG6cdddc4ab [2022-11-16 15:59:58,720 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:59:58,720 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/sv-benchmarks/c/busybox-1.22.0/realpath-1.i [2022-11-16 15:59:58,747 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/data/00e1f5419/83e77c6225d14749bb498953e8228665/FLAG6cdddc4ab [2022-11-16 15:59:58,789 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb978f3-5cc0-4d52-bc93-efbe8b367092/bin/utaipan-Xvt2sAort0/data/00e1f5419/83e77c6225d14749bb498953e8228665 [2022-11-16 15:59:58,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:59:58,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:59:58,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:59:58,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:59:58,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:59:58,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:59:58" (1/1) ... [2022-11-16 15:59:58,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566378c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:59:58, skipping insertion in model container [2022-11-16 15:59:58,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:59:58" (1/1) ... [2022-11-16 15:59:58,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:59:58,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:00:00,084 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-16 16:00:00,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ab956e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:00:00, skipping insertion in model container [2022-11-16 16:00:00,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:00:00,086 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 16:00:00,087 INFO L158 Benchmark]: Toolchain (without parser) took 1293.19ms. Allocated memory is still 81.8MB. Free memory was 62.7MB in the beginning and 53.4MB in the end (delta: 9.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-11-16 16:00:00,088 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 71.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:00:00,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1290.85ms. Allocated memory is still 81.8MB. Free memory was 62.5MB in the beginning and 53.4MB in the end (delta: 9.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-11-16 16:00:00,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 81.8MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 71.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1290.85ms. Allocated memory is still 81.8MB. Free memory was 62.5MB in the beginning and 53.4MB in the end (delta: 9.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2284]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN