./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b 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_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS --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 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd --- 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-8393723 [2022-11-19 07:40:59,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:40:59,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:40:59,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:40:59,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:40:59,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:40:59,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:40:59,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:40:59,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:40:59,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:40:59,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:40:59,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:40:59,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:40:59,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:40:59,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:40:59,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:40:59,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:40:59,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:40:59,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:40:59,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:40:59,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:40:59,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:40:59,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:40:59,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:40:59,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:40:59,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:40:59,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:40:59,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:40:59,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:40:59,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:40:59,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:40:59,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:40:59,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:40:59,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:40:59,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:40:59,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:40:59,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:40:59,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:40:59,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:40:59,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:40:59,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:40:59,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-19 07:40:59,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:40:59,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:40:59,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:40:59,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:40:59,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:40:59,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:40:59,831 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:40:59,832 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:40:59,832 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:40:59,832 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:40:59,833 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:40:59,833 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:40:59,834 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:40:59,834 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:40:59,834 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:40:59,834 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:40:59,834 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:40:59,835 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:40:59,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:40:59,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:40:59,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:40:59,836 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:40:59,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:40:59,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:40:59,837 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:40:59,837 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:40:59,837 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:40:59,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:40:59,837 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:40:59,838 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:40:59,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:40:59,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:40:59,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:40:59,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:40:59,839 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:40:59,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:40:59,839 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:40:59,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:40:59,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:40:59,840 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_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2022-11-19 07:41:00,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:41:00,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:41:00,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:41:00,204 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:41:00,205 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:41:00,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-19 07:41:00,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/data/3de4e4437/7f2fc17cc9264ddf82a5f32ff71ed5e2/FLAGbf8547617 [2022-11-19 07:41:00,973 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:41:00,973 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-19 07:41:01,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/data/3de4e4437/7f2fc17cc9264ddf82a5f32ff71ed5e2/FLAGbf8547617 [2022-11-19 07:41:01,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/data/3de4e4437/7f2fc17cc9264ddf82a5f32ff71ed5e2 [2022-11-19 07:41:01,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:41:01,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:41:01,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:41:01,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:41:01,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:41:01,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:01" (1/1) ... [2022-11-19 07:41:01,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540b1b22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:01, skipping insertion in model container [2022-11-19 07:41:01,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:01" (1/1) ... [2022-11-19 07:41:01,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:41:01,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:41:02,345 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-19 07:41:02,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@594bfd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:02, skipping insertion in model container [2022-11-19 07:41:02,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:41:02,347 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:41:02,349 INFO L158 Benchmark]: Toolchain (without parser) took 1236.01ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 56.4MB in the beginning and 85.2MB in the end (delta: -28.7MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-19 07:41:02,349 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 66.1MB in the beginning and 66.1MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:41:02,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1231.94ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 56.2MB in the beginning and 85.2MB in the end (delta: -28.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-19 07:41:02,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 66.1MB in the beginning and 66.1MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1231.94ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 56.2MB in the beginning and 85.2MB in the end (delta: -28.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_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_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS --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 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd --- 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-8393723 [2022-11-19 07:41:04,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:41:04,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:41:04,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:41:04,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:41:04,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:41:04,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:41:04,577 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:41:04,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:41:04,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:41:04,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:41:04,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:41:04,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:41:04,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:41:04,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:41:04,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:41:04,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:41:04,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:41:04,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:41:04,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:41:04,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:41:04,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:41:04,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:41:04,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:41:04,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:41:04,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:41:04,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:41:04,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:41:04,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:41:04,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:41:04,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:41:04,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:41:04,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:41:04,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:41:04,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:41:04,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:41:04,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:41:04,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:41:04,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:41:04,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:41:04,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:41:04,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-19 07:41:04,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:41:04,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:41:04,694 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:41:04,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:41:04,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:41:04,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:41:04,696 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:41:04,696 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:41:04,697 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:41:04,697 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:41:04,698 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:41:04,698 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:41:04,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-19 07:41:04,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-19 07:41:04,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:41:04,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:41:04,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:41:04,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:41:04,701 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-19 07:41:04,701 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-19 07:41:04,701 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-19 07:41:04,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:41:04,702 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:41:04,702 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:41:04,702 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:41:04,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:41:04,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:41:04,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:41:04,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:41:04,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:41:04,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:41:04,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:41:04,704 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:41:04,704 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:41:04,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:41:04,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:41:04,705 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_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2022-11-19 07:41:05,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:41:05,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:41:05,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:41:05,186 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:41:05,187 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:41:05,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-19 07:41:05,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/data/2982f8b95/59c68e9b92fa46938da018d09e40b6cb/FLAGe61f61be8 [2022-11-19 07:41:05,947 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:41:05,951 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-19 07:41:05,988 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/data/2982f8b95/59c68e9b92fa46938da018d09e40b6cb/FLAGe61f61be8 [2022-11-19 07:41:06,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cfec942-137e-468c-bcd0-5c5468a7f759/bin/utaipan-I9t0OCRTmS/data/2982f8b95/59c68e9b92fa46938da018d09e40b6cb [2022-11-19 07:41:06,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:41:06,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:41:06,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:41:06,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:41:06,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:41:06,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:06" (1/1) ... [2022-11-19 07:41:06,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a09c336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:06, skipping insertion in model container [2022-11-19 07:41:06,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:06" (1/1) ... [2022-11-19 07:41:06,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:41:06,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:41:07,525 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-19 07:41:07,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a14ff3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:07, skipping insertion in model container [2022-11-19 07:41:07,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:41:07,528 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:41:07,531 INFO L158 Benchmark]: Toolchain (without parser) took 1399.17ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 36.4MB in the beginning and 55.5MB in the end (delta: -19.1MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-11-19 07:41:07,533 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:41:07,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1394.50ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 36.2MB in the beginning and 55.5MB in the end (delta: -19.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-11-19 07:41:07,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1394.50ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 36.2MB in the beginning and 55.5MB in the end (delta: -19.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_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