./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs --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 33f1a19988aaf034166ab26d83f342c485d4c498 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs --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 33f1a19988aaf034166ab26d83f342c485d4c498 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:17:14,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:17:14,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:17:14,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:17:14,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:17:14,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:17:14,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:17:14,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:17:14,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:17:14,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:17:14,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:17:14,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:17:14,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:17:14,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:17:14,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:17:14,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:17:14,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:17:14,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:17:14,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:17:14,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:17:14,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:17:14,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:17:14,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:17:14,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:17:14,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:17:14,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:17:14,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:17:14,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:17:14,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:17:14,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:17:14,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:17:14,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:17:14,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:17:14,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:17:14,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:17:14,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:17:14,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:17:14,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:17:14,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:17:14,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:17:14,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:17:14,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-16 03:17:14,920 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:17:14,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:17:14,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:17:14,924 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:17:14,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:17:14,924 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:17:14,924 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:17:14,925 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:17:14,925 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:17:14,925 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:17:14,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:17:14,927 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:17:14,927 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:17:14,927 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:17:14,928 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:17:14,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 03:17:14,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 03:17:14,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:17:14,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 03:17:14,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:17:14,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:17:14,930 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 03:17:14,931 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 03:17:14,931 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 03:17:14,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:17:14,931 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:17:14,933 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:17:14,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:17:14,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:17:14,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:17:14,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:17:14,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:17:14,935 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:17:14,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:17:14,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:17:14,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:17:14,935 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f1a19988aaf034166ab26d83f342c485d4c498 [2021-10-16 03:17:15,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:17:15,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:17:15,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:17:15,276 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:17:15,277 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:17:15,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-10-16 03:17:15,364 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/data/7e6e120da/20822113bcae4dfea68bb86574b161a1/FLAGf450e2c9c [2021-10-16 03:17:16,157 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:17:16,158 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-10-16 03:17:16,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/data/7e6e120da/20822113bcae4dfea68bb86574b161a1/FLAGf450e2c9c [2021-10-16 03:17:16,233 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/data/7e6e120da/20822113bcae4dfea68bb86574b161a1 [2021-10-16 03:17:16,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:17:16,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:17:16,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:17:16,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:17:16,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:17:16,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:17:16" (1/1) ... [2021-10-16 03:17:16,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e964fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:16, skipping insertion in model container [2021-10-16 03:17:16,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:17:16" (1/1) ... [2021-10-16 03:17:16,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:17:16,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:17:17,870 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-16 03:17:17,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@63601513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:17, skipping insertion in model container [2021-10-16 03:17:17,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:17:17,871 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:17:17,877 INFO L168 Benchmark]: Toolchain (without parser) took 1637.47 ms. Allocated memory is still 104.9 MB. Free memory was 72.7 MB in the beginning and 45.5 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:17:17,878 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory is still 52.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:17:17,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1629.03 ms. Allocated memory is still 104.9 MB. Free memory was 72.6 MB in the beginning and 45.5 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-16 03:17:17,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory is still 52.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1629.03 ms. Allocated memory is still 104.9 MB. Free memory was 72.6 MB in the beginning and 45.5 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 03:17:20,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:17:20,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:17:20,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:17:20,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:17:20,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:17:20,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:17:20,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:17:20,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:17:20,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:17:20,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:17:20,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:17:20,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:17:20,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:17:20,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:17:20,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:17:20,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:17:20,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:17:20,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:17:20,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:17:20,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:17:20,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:17:20,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:17:20,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:17:20,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:17:20,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:17:20,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:17:20,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:17:20,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:17:20,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:17:20,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:17:20,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:17:20,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:17:20,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:17:20,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:17:20,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:17:20,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:17:20,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:17:20,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:17:20,423 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:17:20,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:17:20,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-16 03:17:20,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:17:20,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:17:20,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:17:20,481 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:17:20,481 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:17:20,482 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:17:20,482 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:17:20,483 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:17:20,483 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:17:20,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 03:17:20,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 03:17:20,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:17:20,486 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 03:17:20,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:17:20,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:17:20,487 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 03:17:20,487 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 03:17:20,487 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 03:17:20,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:17:20,488 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:17:20,488 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:17:20,488 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:17:20,489 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:17:20,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:17:20,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:17:20,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:17:20,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:17:20,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:17:20,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:17:20,490 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:17:20,491 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:17:20,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:17:20,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:17:20,492 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_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f1a19988aaf034166ab26d83f342c485d4c498 [2021-10-16 03:17:20,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:17:20,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:17:20,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:17:20,932 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:17:20,935 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:17:20,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-10-16 03:17:21,006 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/data/889918090/467b6da8cbd841fa817377d9a423c693/FLAG880868cdb [2021-10-16 03:17:21,824 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:17:21,825 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-10-16 03:17:21,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/data/889918090/467b6da8cbd841fa817377d9a423c693/FLAG880868cdb [2021-10-16 03:17:22,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_282d3ba6-503f-4236-8efd-731bf9d8bff1/bin/utaipan-mTDlp9Zugs/data/889918090/467b6da8cbd841fa817377d9a423c693 [2021-10-16 03:17:22,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:17:22,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:17:22,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:17:22,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:17:22,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:17:22,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:17:22" (1/1) ... [2021-10-16 03:17:22,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aacf3f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:22, skipping insertion in model container [2021-10-16 03:17:22,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:17:22" (1/1) ... [2021-10-16 03:17:22,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:17:22,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:17:24,213 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-16 03:17:24,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f50c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:17:24, skipping insertion in model container [2021-10-16 03:17:24,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:17:24,214 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:17:24,218 INFO L168 Benchmark]: Toolchain (without parser) took 1803.41 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 29.5 MB in the beginning and 52.6 MB in the end (delta: -23.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:17:24,219 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:17:24,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1799.80 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 29.3 MB in the beginning and 52.9 MB in the end (delta: -23.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:17:24,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory is still 37.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1799.80 ms. Allocated memory was 56.6 MB in the beginning and 83.9 MB in the end (delta: 27.3 MB). Free memory was 29.3 MB in the beginning and 52.9 MB in the end (delta: -23.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: 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...