./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-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_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/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_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/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_cec18584-ae61-49f8-8f87-f400c7d20305/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 be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 ......................................................................................................................................... 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_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/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_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/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_cec18584-ae61-49f8-8f87-f400c7d20305/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 be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 ...................................................................................................................................... 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 08:13:28,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:13:28,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:13:28,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:13:28,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:13:28,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:13:28,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:13:28,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:13:28,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:13:28,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:13:28,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:13:28,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:13:28,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:13:28,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:13:28,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:13:28,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:13:28,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:13:28,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:13:28,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:13:28,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:13:28,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:13:28,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:13:28,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:13:28,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:13:28,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:13:28,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:13:28,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:13:28,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:13:28,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:13:28,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:13:28,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:13:28,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:13:28,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:13:28,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:13:28,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:13:28,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:13:28,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:13:28,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:13:28,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:13:28,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:13:28,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:13:28,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 08:13:28,910 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:13:28,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:13:28,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:13:28,912 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:13:28,912 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:13:28,912 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:13:28,912 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:13:28,913 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:13:28,913 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:13:28,913 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:13:28,913 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:13:28,914 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:13:28,914 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:13:28,914 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:13:28,914 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:13:28,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 08:13:28,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 08:13:28,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:13:28,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 08:13:28,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:13:28,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:13:28,917 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 08:13:28,917 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 08:13:28,917 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 08:13:28,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:13:28,917 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:13:28,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:13:28,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:13:28,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:13:28,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:13:28,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:13:28,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:13:28,919 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:13:28,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:13:28,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:13:28,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:13:28,919 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_cec18584-ae61-49f8-8f87-f400c7d20305/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2021-10-13 08:13:29,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:13:29,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:13:29,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:13:29,219 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:13:29,220 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:13:29,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-13 08:13:29,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/data/fbcec3981/f912e0d38d0549fa841d8bd03f6fb63f/FLAG1f14734cb [2021-10-13 08:13:30,159 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:13:30,161 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-13 08:13:30,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/data/fbcec3981/f912e0d38d0549fa841d8bd03f6fb63f/FLAG1f14734cb [2021-10-13 08:13:30,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/data/fbcec3981/f912e0d38d0549fa841d8bd03f6fb63f [2021-10-13 08:13:30,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:13:30,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:13:30,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:13:30,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:13:30,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:13:30,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:13:30" (1/1) ... [2021-10-13 08:13:30,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681bb0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:30, skipping insertion in model container [2021-10-13 08:13:30,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:13:30" (1/1) ... [2021-10-13 08:13:30,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:13:30,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:13:31,834 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-13 08:13:31,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a7abaa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:31, skipping insertion in model container [2021-10-13 08:13:31,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:13:31,836 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:13:31,839 INFO L168 Benchmark]: Toolchain (without parser) took 1585.63 ms. Allocated memory is still 123.7 MB. Free memory was 90.3 MB in the beginning and 81.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:13:31,840 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 123.7 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:13:31,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1582.33 ms. Allocated memory is still 123.7 MB. Free memory was 90.1 MB in the beginning and 82.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:13:31,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 123.7 MB. Free memory is still 79.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1582.33 ms. Allocated memory is still 123.7 MB. Free memory was 90.1 MB in the beginning and 82.0 MB in the end (delta: 8.1 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: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:13:34,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:13:34,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:13:34,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:13:34,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:13:34,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:13:34,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:13:34,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:13:34,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:13:34,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:13:34,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:13:34,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:13:34,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:13:34,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:13:34,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:13:34,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:13:34,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:13:34,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:13:34,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:13:34,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:13:34,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:13:34,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:13:34,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:13:34,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:13:34,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:13:34,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:13:34,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:13:34,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:13:34,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:13:34,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:13:34,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:13:34,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:13:34,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:13:34,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:13:34,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:13:34,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:13:34,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:13:34,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:13:34,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:13:34,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:13:34,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:13:34,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 08:13:34,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:13:34,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:13:34,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:13:34,785 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:13:34,785 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:13:34,785 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:13:34,786 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:13:34,786 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:13:34,786 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:13:34,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 08:13:34,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 08:13:34,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:13:34,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 08:13:34,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:13:34,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:13:34,790 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 08:13:34,790 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 08:13:34,791 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 08:13:34,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:13:34,791 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:13:34,791 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:13:34,792 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:13:34,792 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:13:34,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:13:34,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:13:34,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:13:34,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:13:34,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:13:34,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:13:34,794 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:13:34,794 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:13:34,794 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:13:34,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:13:34,795 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_cec18584-ae61-49f8-8f87-f400c7d20305/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be0e1c3893e7a0e1140bfa2a019ffb8996e5d2c3 [2021-10-13 08:13:35,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:13:35,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:13:35,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:13:35,199 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:13:35,200 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:13:35,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-13 08:13:35,284 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/data/46241bf62/0c199177a3af4ecc896652e3e26c4c51/FLAGa75b364eb [2021-10-13 08:13:36,239 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:13:36,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-13 08:13:36,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/data/46241bf62/0c199177a3af4ecc896652e3e26c4c51/FLAGa75b364eb [2021-10-13 08:13:36,802 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cec18584-ae61-49f8-8f87-f400c7d20305/bin/utaipan-q2qaUkNPG8/data/46241bf62/0c199177a3af4ecc896652e3e26c4c51 [2021-10-13 08:13:36,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:13:36,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:13:36,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:13:36,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:13:36,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:13:36,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:13:36" (1/1) ... [2021-10-13 08:13:36,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fecdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:36, skipping insertion in model container [2021-10-13 08:13:36,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:13:36" (1/1) ... [2021-10-13 08:13:36,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:13:36,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:13:38,443 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-13 08:13:38,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75393335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:13:38, skipping insertion in model container [2021-10-13 08:13:38,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:13:38,445 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:13:38,448 INFO L168 Benchmark]: Toolchain (without parser) took 1640.59 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 41.8 MB in the beginning and 50.2 MB in the end (delta: -8.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:13:38,449 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory was 48.3 MB in the beginning and 48.2 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:13:38,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1621.68 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 41.7 MB in the beginning and 50.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:13:38,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 67.1 MB. Free memory was 48.3 MB in the beginning and 48.2 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1621.68 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 41.7 MB in the beginning and 50.2 MB in the end (delta: -8.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...