./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH --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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:27:00,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:27:00,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:27:00,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:27:00,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:27:00,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:27:00,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:27:00,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:27:00,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:27:00,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:27:00,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:27:00,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:27:00,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:27:00,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:27:00,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:27:00,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:27:00,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:27:00,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:27:00,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:27:00,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:27:00,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:27:00,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:27:00,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:27:00,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:27:00,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:27:00,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:27:00,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:27:00,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:27:00,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:27:00,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:27:00,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:27:00,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:27:00,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:27:00,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:27:00,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:27:00,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:27:00,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:27:00,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:27:00,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:27:00,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:27:00,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:27:00,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-03 05:27:00,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:27:00,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:27:00,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:27:00,531 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:27:00,531 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:27:00,531 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:27:00,531 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:27:00,531 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:27:00,532 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:27:00,532 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:27:00,532 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:27:00,532 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:27:00,532 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:27:00,533 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:27:00,533 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:27:00,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 05:27:00,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 05:27:00,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:27:00,534 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 05:27:00,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:27:00,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:27:00,535 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 05:27:00,535 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 05:27:00,535 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 05:27:00,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:27:00,535 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:27:00,535 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:27:00,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:27:00,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:27:00,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:27:00,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:27:00,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:27:00,537 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:27:00,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:27:00,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:27:00,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:27:00,537 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_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2021-11-03 05:27:00,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:27:00,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:27:00,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:27:00,773 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:27:00,774 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:27:00,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-03 05:27:00,850 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/data/30cb32d72/a079ce985180422487888607b9e2326f/FLAGc48204a4c [2021-11-03 05:27:01,570 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:27:01,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-03 05:27:01,620 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/data/30cb32d72/a079ce985180422487888607b9e2326f/FLAGc48204a4c [2021-11-03 05:27:01,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/data/30cb32d72/a079ce985180422487888607b9e2326f [2021-11-03 05:27:01,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:27:01,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:27:01,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:27:01,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:27:01,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:27:01,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:27:01" (1/1) ... [2021-11-03 05:27:01,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5f11d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:01, skipping insertion in model container [2021-11-03 05:27:01,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:27:01" (1/1) ... [2021-11-03 05:27:01,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:27:01,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:27:02,920 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-03 05:27:02,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8aeed5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:02, skipping insertion in model container [2021-11-03 05:27:02,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:27:02,921 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:27:02,923 INFO L168 Benchmark]: Toolchain (without parser) took 1212.82 ms. Allocated memory is still 136.3 MB. Free memory was 98.4 MB in the beginning and 96.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:27:02,924 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 92.3 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:27:02,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1209.19 ms. Allocated memory is still 136.3 MB. Free memory was 98.1 MB in the beginning and 96.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:27:02,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 92.3 MB. Free memory is still 45.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1209.19 ms. Allocated memory is still 136.3 MB. Free memory was 98.1 MB in the beginning and 96.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH --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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:27:05,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:27:05,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:27:05,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:27:05,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:27:05,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:27:05,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:27:05,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:27:05,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:27:05,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:27:05,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:27:05,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:27:05,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:27:05,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:27:05,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:27:05,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:27:05,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:27:05,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:27:05,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:27:05,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:27:05,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:27:05,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:27:05,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:27:05,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:27:05,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:27:05,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:27:05,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:27:05,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:27:05,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:27:05,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:27:05,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:27:05,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:27:05,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:27:05,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:27:05,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:27:05,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:27:05,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:27:05,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:27:05,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:27:05,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:27:05,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:27:05,189 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-03 05:27:05,229 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:27:05,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:27:05,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:27:05,231 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:27:05,231 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:27:05,231 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:27:05,231 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:27:05,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:27:05,232 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:27:05,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-03 05:27:05,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-03 05:27:05,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:27:05,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 05:27:05,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:27:05,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:27:05,236 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-03 05:27:05,236 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-03 05:27:05,236 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-03 05:27:05,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:27:05,237 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:27:05,237 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:27:05,237 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:27:05,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:27:05,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:27:05,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:27:05,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:27:05,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:27:05,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:27:05,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:27:05,239 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:27:05,239 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:27:05,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:27:05,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:27:05,240 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_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2021-11-03 05:27:05,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:27:05,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:27:05,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:27:05,644 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:27:05,649 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:27:05,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-03 05:27:05,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/data/81d46bf23/7ab4e6c942644d07985cd9c8df7698c7/FLAG2006bed39 [2021-11-03 05:27:06,514 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:27:06,515 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-03 05:27:06,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/data/81d46bf23/7ab4e6c942644d07985cd9c8df7698c7/FLAG2006bed39 [2021-11-03 05:27:06,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5dfa581-9ef4-4676-81e2-4c54295e7f93/bin/utaipan-aC7eJsxGYH/data/81d46bf23/7ab4e6c942644d07985cd9c8df7698c7 [2021-11-03 05:27:06,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:27:06,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:27:06,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:27:06,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:27:06,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:27:06,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:27:06" (1/1) ... [2021-11-03 05:27:06,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f30825a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:06, skipping insertion in model container [2021-11-03 05:27:06,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:27:06" (1/1) ... [2021-11-03 05:27:06,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:27:06,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:27:07,863 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-03 05:27:07,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5fea3946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:27:07, skipping insertion in model container [2021-11-03 05:27:07,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:27:07,865 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 05:27:07,867 INFO L168 Benchmark]: Toolchain (without parser) took 1290.59 ms. Allocated memory is still 67.1 MB. Free memory was 37.8 MB in the beginning and 34.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-11-03 05:27:07,868 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 30.5 MB in the beginning and 30.4 MB in the end (delta: 36.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:27:07,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1287.99 ms. Allocated memory is still 67.1 MB. Free memory was 37.6 MB in the beginning and 34.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-11-03 05:27:07,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 30.5 MB in the beginning and 30.4 MB in the end (delta: 36.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1287.99 ms. Allocated memory is still 67.1 MB. Free memory was 37.6 MB in the beginning and 34.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN