./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 b5237d83 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_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/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_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:13:45,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:13:45,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:13:45,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:13:45,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:13:45,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:13:45,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:13:46,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:13:46,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:13:46,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:13:46,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:13:46,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:13:46,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:13:46,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:13:46,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:13:46,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:13:46,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:13:46,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:13:46,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:13:46,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:13:46,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:13:46,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:13:46,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:13:46,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:13:46,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:13:46,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:13:46,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:13:46,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:13:46,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:13:46,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:13:46,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:13:46,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:13:46,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:13:46,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:13:46,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:13:46,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:13:46,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:13:46,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:13:46,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:13:46,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:13:46,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:13:46,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-22 01:13:46,104 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:13:46,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:13:46,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:13:46,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:13:46,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:13:46,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:13:46,106 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:13:46,106 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:13:46,107 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:13:46,107 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:13:46,108 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:13:46,108 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:13:46,108 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:13:46,109 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:13:46,109 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:13:46,109 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:13:46,109 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:13:46,109 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:13:46,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 01:13:46,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 01:13:46,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:13:46,111 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:13:46,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:13:46,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:13:46,111 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 01:13:46,112 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 01:13:46,112 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 01:13:46,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:13:46,112 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:13:46,113 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:13:46,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:13:46,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:13:46,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:13:46,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:13:46,114 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:13:46,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:13:46,114 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:13:46,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:13:46,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:13:46,115 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_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2022-11-22 01:13:46,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:13:46,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:13:46,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:13:46,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:13:46,381 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:13:46,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-22 01:13:49,527 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:13:49,984 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:13:49,985 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-22 01:13:50,009 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/data/d41af45d1/3f682815c40841bd90b2f9517d5a761d/FLAGb9a91e084 [2022-11-22 01:13:50,037 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/data/d41af45d1/3f682815c40841bd90b2f9517d5a761d [2022-11-22 01:13:50,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:13:50,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:13:50,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:13:50,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:13:50,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:13:50,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:13:50" (1/1) ... [2022-11-22 01:13:50,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4950d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:13:50, skipping insertion in model container [2022-11-22 01:13:50,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:13:50" (1/1) ... [2022-11-22 01:13:50,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:13:50,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:13:51,449 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 [2022-11-22 01:13:51,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15727d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:13:51, skipping insertion in model container [2022-11-22 01:13:51,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:13:51,451 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 01:13:51,453 INFO L158 Benchmark]: Toolchain (without parser) took 1408.65ms. Allocated memory is still 172.0MB. Free memory was 126.0MB in the beginning and 102.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-22 01:13:51,454 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:13:51,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1403.10ms. Allocated memory is still 172.0MB. Free memory was 126.0MB in the beginning and 102.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-22 01:13:51,456 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1403.10ms. Allocated memory is still 172.0MB. Free memory was 126.0MB in the beginning and 102.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. 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_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/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_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 01:13:53,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:13:53,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:13:53,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:13:53,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:13:53,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:13:53,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:13:53,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:13:53,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:13:53,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:13:53,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:13:53,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:13:53,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:13:53,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:13:53,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:13:53,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:13:53,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:13:53,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:13:53,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:13:53,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:13:53,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:13:53,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:13:53,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:13:53,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:13:53,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:13:53,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:13:53,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:13:53,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:13:53,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:13:53,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:13:53,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:13:53,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:13:53,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:13:53,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:13:53,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:13:53,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:13:53,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:13:53,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:13:53,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:13:53,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:13:53,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:13:53,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-22 01:13:53,999 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:13:53,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:13:54,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:13:54,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:13:54,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:13:54,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:13:54,001 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:13:54,001 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:13:54,002 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:13:54,002 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:13:54,002 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:13:54,002 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:13:54,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-22 01:13:54,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-22 01:13:54,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:13:54,004 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:13:54,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:13:54,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:13:54,004 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-22 01:13:54,005 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-22 01:13:54,005 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-22 01:13:54,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:13:54,005 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:13:54,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:13:54,006 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:13:54,006 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:13:54,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:13:54,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:13:54,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:13:54,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:13:54,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:13:54,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:13:54,008 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:13:54,008 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:13:54,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:13:54,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:13:54,009 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_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2022-11-22 01:13:54,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:13:54,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:13:54,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:13:54,422 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:13:54,422 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:13:54,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-22 01:13:57,493 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:13:57,914 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:13:57,914 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2022-11-22 01:13:57,946 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/data/f81e863ff/025aab2166004f7cb94a59ff7051c85b/FLAGbec257ac1 [2022-11-22 01:13:57,966 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_893cb1bc-728d-4c44-a744-79434239d0e9/bin/utaipan-g80aRyZoba/data/f81e863ff/025aab2166004f7cb94a59ff7051c85b [2022-11-22 01:13:57,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:13:57,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:13:57,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:13:57,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:13:57,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:13:57,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:13:57" (1/1) ... [2022-11-22 01:13:57,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f67f370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:13:57, skipping insertion in model container [2022-11-22 01:13:57,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:13:57" (1/1) ... [2022-11-22 01:13:57,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:13:58,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:13:59,271 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 [2022-11-22 01:13:59,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bbf8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:13:59, skipping insertion in model container [2022-11-22 01:13:59,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:13:59,275 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 01:13:59,278 INFO L158 Benchmark]: Toolchain (without parser) took 1306.18ms. Allocated memory is still 77.6MB. Free memory was 50.8MB in the beginning and 49.9MB in the end (delta: 857.7kB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-11-22 01:13:59,279 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:13:59,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1302.80ms. Allocated memory is still 77.6MB. Free memory was 50.5MB in the beginning and 49.9MB in the end (delta: 644.6kB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-11-22 01:13:59,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1302.80ms. Allocated memory is still 77.6MB. Free memory was 50.5MB in the beginning and 49.9MB in the end (delta: 644.6kB). Peak memory consumption was 22.6MB. 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