./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8 --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 f105bdba870023fed703a42b26dd83a1d9da3fd8 ......................................................................................................................................... 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_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8 --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 f105bdba870023fed703a42b26dd83a1d9da3fd8 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:39:14,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:39:14,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:39:14,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:39:14,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:39:14,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:39:14,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:39:14,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:39:14,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:39:14,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:39:14,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:39:14,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:39:14,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:39:14,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:39:14,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:39:14,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:39:14,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:39:14,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:39:14,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:39:14,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:39:14,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:39:14,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:39:14,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:39:14,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:39:14,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:39:14,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:39:14,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:39:14,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:39:14,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:39:14,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:39:14,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:39:14,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:39:14,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:39:14,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:39:14,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:39:14,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:39:14,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:39:14,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:39:14,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:39:14,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:39:14,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:39:14,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 07:39:14,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:39:14,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:39:14,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:39:14,826 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:39:14,826 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:39:14,827 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:39:14,827 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:39:14,827 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:39:14,827 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:39:14,828 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:39:14,828 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:39:14,828 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:39:14,829 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:39:14,829 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:39:14,829 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:39:14,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:39:14,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:39:14,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:39:14,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:39:14,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:39:14,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:39:14,831 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:39:14,832 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:39:14,832 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:39:14,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:39:14,832 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:39:14,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:39:14,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:39:14,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:39:14,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:39:14,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:39:14,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:39:14,834 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:39:14,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:39:14,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:39:14,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:39:14,835 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_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f105bdba870023fed703a42b26dd83a1d9da3fd8 [2021-10-13 07:39:15,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:39:15,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:39:15,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:39:15,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:39:15,173 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:39:15,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2021-10-13 07:39:15,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/data/ae9715be9/37cf811d512843e9b1d4eb12ddf5fa1d/FLAGf1fff2dd8 [2021-10-13 07:39:16,130 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:39:16,135 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2021-10-13 07:39:16,183 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/data/ae9715be9/37cf811d512843e9b1d4eb12ddf5fa1d/FLAGf1fff2dd8 [2021-10-13 07:39:16,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/data/ae9715be9/37cf811d512843e9b1d4eb12ddf5fa1d [2021-10-13 07:39:16,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:39:16,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:39:16,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:39:16,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:39:16,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:39:16,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:16" (1/1) ... [2021-10-13 07:39:16,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a1c6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:16, skipping insertion in model container [2021-10-13 07:39:16,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:16" (1/1) ... [2021-10-13 07:39:16,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:39:16,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:39:17,781 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 07:39:17,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52e564e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:17, skipping insertion in model container [2021-10-13 07:39:17,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:39:17,782 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:39:17,785 INFO L168 Benchmark]: Toolchain (without parser) took 1560.54 ms. Allocated memory is still 113.2 MB. Free memory was 68.7 MB in the beginning and 68.6 MB in the end (delta: 62.7 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:39:17,786 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 113.2 MB. Free memory was 91.0 MB in the beginning and 91.0 MB in the end (delta: 47.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:39:17,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1555.67 ms. Allocated memory is still 113.2 MB. Free memory was 68.6 MB in the beginning and 69.1 MB in the end (delta: -537.6 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:39:17,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 113.2 MB. Free memory was 91.0 MB in the beginning and 91.0 MB in the end (delta: 47.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1555.67 ms. Allocated memory is still 113.2 MB. Free memory was 68.6 MB in the beginning and 69.1 MB in the end (delta: -537.6 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2569]: 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-4e77c04 [2021-10-13 07:39:20,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:39:20,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:39:20,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:39:20,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:39:20,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:39:20,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:39:20,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:39:20,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:39:20,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:39:20,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:39:20,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:39:20,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:39:20,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:39:20,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:39:20,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:39:20,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:39:20,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:39:20,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:39:20,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:39:20,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:39:20,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:39:20,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:39:20,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:39:20,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:39:20,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:39:20,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:39:20,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:39:20,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:39:20,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:39:20,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:39:20,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:39:20,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:39:20,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:39:20,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:39:20,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:39:20,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:39:20,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:39:20,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:39:20,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:39:20,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:39:20,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 07:39:20,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:39:20,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:39:20,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:39:20,499 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:39:20,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:39:20,500 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:39:20,500 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:39:20,500 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:39:20,500 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:39:20,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:39:20,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:39:20,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:39:20,504 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:39:20,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:39:20,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:39:20,505 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:39:20,505 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:39:20,505 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:39:20,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:39:20,506 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:39:20,506 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:39:20,506 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:39:20,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:39:20,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:39:20,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:39:20,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:39:20,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:39:20,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:39:20,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:39:20,508 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:39:20,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:39:20,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:39:20,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:39:20,509 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_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f105bdba870023fed703a42b26dd83a1d9da3fd8 [2021-10-13 07:39:20,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:39:20,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:39:21,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:39:21,003 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:39:21,004 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:39:21,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2021-10-13 07:39:21,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/data/0552b7925/850a82049a45404da2e383c797b676d0/FLAGbc2c86aee [2021-10-13 07:39:22,129 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:39:22,131 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/sv-benchmarks/c/busybox-1.22.0/mkdir-2.i [2021-10-13 07:39:22,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/data/0552b7925/850a82049a45404da2e383c797b676d0/FLAGbc2c86aee [2021-10-13 07:39:22,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79351c9a-8aba-4b39-9e00-5b5d1f2e53bc/bin/utaipan-q2qaUkNPG8/data/0552b7925/850a82049a45404da2e383c797b676d0 [2021-10-13 07:39:22,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:39:22,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:39:22,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:39:22,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:39:22,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:39:22,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:22" (1/1) ... [2021-10-13 07:39:22,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73db5bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:22, skipping insertion in model container [2021-10-13 07:39:22,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:22" (1/1) ... [2021-10-13 07:39:22,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:39:22,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:39:24,129 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 07:39:24,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a659a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:24, skipping insertion in model container [2021-10-13 07:39:24,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:39:24,131 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:39:24,133 INFO L168 Benchmark]: Toolchain (without parser) took 1498.42 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 28.7 MB in the beginning and 52.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:39:24,134 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 56.6 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:39:24,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1494.84 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 28.6 MB in the beginning and 52.7 MB in the end (delta: -24.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:39:24,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 56.6 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1494.84 ms. Allocated memory was 56.6 MB in the beginning and 81.8 MB in the end (delta: 25.2 MB). Free memory was 28.6 MB in the beginning and 52.7 MB in the end (delta: -24.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2569]: 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...