./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/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_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7 --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:27:53,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:27:53,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:27:53,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:27:53,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:27:53,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:27:53,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:27:53,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:27:53,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:27:53,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:27:53,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:27:53,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:27:53,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:27:53,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:27:53,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:27:53,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:27:53,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:27:53,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:27:53,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:27:53,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:27:53,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:27:53,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:27:53,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:27:53,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:27:53,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:27:53,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:27:53,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:27:53,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:27:53,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:27:53,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:27:53,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:27:53,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:27:53,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:27:53,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:27:53,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:27:53,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:27:53,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:27:53,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:27:53,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:27:53,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:27:53,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:27:53,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-25 18:27:53,854 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:27:53,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:27:53,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:27:53,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:27:53,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:27:53,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:27:53,856 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:27:53,857 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:27:53,857 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:27:53,857 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:27:53,858 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:27:53,858 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:27:53,858 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:27:53,858 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:27:53,859 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:27:53,859 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:27:53,859 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:27:53,860 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:27:53,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 18:27:53,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 18:27:53,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:27:53,861 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:27:53,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:27:53,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:27:53,862 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 18:27:53,863 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 18:27:53,863 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 18:27:53,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:27:53,864 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:27:53,864 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:27:53,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:27:53,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:27:53,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:27:53,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:27:53,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:27:53,866 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:27:53,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:27:53,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:27:53,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:27:53,867 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_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-25 18:27:54,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:27:54,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:27:54,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:27:54,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:27:54,245 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:27:54,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-25 18:27:54,335 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/data/5685b3a15/9c4c3f7c7f4444f58e5f1786578c19d6/FLAG84958a869 [2021-11-25 18:27:55,296 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:27:55,299 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-25 18:27:55,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/data/5685b3a15/9c4c3f7c7f4444f58e5f1786578c19d6/FLAG84958a869 [2021-11-25 18:27:55,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/data/5685b3a15/9c4c3f7c7f4444f58e5f1786578c19d6 [2021-11-25 18:27:55,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:27:55,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:27:55,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:27:55,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:27:55,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:27:55,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:27:55" (1/1) ... [2021-11-25 18:27:55,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314a01df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:55, skipping insertion in model container [2021-11-25 18:27:55,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:27:55" (1/1) ... [2021-11-25 18:27:55,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:27:55,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:27:57,145 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 [2021-11-25 18:27:57,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67be1774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:27:57, skipping insertion in model container [2021-11-25 18:27:57,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:27:57,146 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 18:27:57,148 INFO L158 Benchmark]: Toolchain (without parser) took 1335.25ms. Allocated memory is still 119.5MB. Free memory was 71.5MB in the beginning and 80.4MB in the end (delta: -8.9MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-11-25 18:27:57,149 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 93.5MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:27:57,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1331.85ms. Allocated memory is still 119.5MB. Free memory was 71.3MB in the beginning and 80.4MB in the end (delta: -9.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-11-25 18:27:57,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 119.5MB. Free memory was 93.5MB in the beginning and 93.5MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1331.85ms. Allocated memory is still 119.5MB. Free memory was 71.3MB in the beginning and 80.4MB in the end (delta: -9.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * 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... --- 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_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/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_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7 --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:27:59,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:27:59,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:27:59,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:27:59,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:27:59,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:27:59,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:27:59,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:27:59,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:27:59,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:27:59,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:27:59,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:27:59,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:27:59,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:27:59,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:27:59,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:27:59,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:27:59,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:27:59,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:27:59,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:27:59,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:27:59,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:27:59,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:27:59,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:27:59,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:27:59,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:27:59,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:27:59,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:27:59,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:27:59,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:27:59,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:27:59,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:27:59,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:27:59,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:27:59,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:27:59,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:27:59,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:27:59,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:27:59,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:27:59,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:27:59,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:27:59,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-25 18:27:59,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:27:59,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:27:59,756 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:27:59,756 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:27:59,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:27:59,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:27:59,758 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:27:59,758 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:27:59,758 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:27:59,758 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:27:59,758 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:27:59,759 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:27:59,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 18:27:59,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 18:27:59,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:27:59,763 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:27:59,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:27:59,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:27:59,764 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 18:27:59,764 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 18:27:59,764 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 18:27:59,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:27:59,765 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 18:27:59,765 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 18:27:59,765 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 18:27:59,766 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:27:59,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:27:59,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 18:27:59,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:27:59,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:27:59,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:27:59,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:27:59,768 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 18:27:59,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 18:27:59,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:27:59,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:27:59,770 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_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-11-25 18:28:00,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:28:00,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:28:00,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:28:00,206 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:28:00,207 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:28:00,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-25 18:28:00,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/data/adbaba50c/9ca4871608ab4fcc9b991a1b63c7e0aa/FLAG7fb71f766 [2021-11-25 18:28:01,102 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:28:01,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-11-25 18:28:01,131 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/data/adbaba50c/9ca4871608ab4fcc9b991a1b63c7e0aa/FLAG7fb71f766 [2021-11-25 18:28:01,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc31c1c-3435-4664-befa-c9fabe64ea3d/bin/utaipan-eEHZpOm5b7/data/adbaba50c/9ca4871608ab4fcc9b991a1b63c7e0aa [2021-11-25 18:28:01,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:28:01,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:28:01,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:28:01,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:28:01,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:28:01,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:28:01" (1/1) ... [2021-11-25 18:28:01,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f82cef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:01, skipping insertion in model container [2021-11-25 18:28:01,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:28:01" (1/1) ... [2021-11-25 18:28:01,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:28:01,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:28:02,549 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 [2021-11-25 18:28:02,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5adc8405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:28:02, skipping insertion in model container [2021-11-25 18:28:02,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:28:02,550 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 18:28:02,553 INFO L158 Benchmark]: Toolchain (without parser) took 1354.70ms. Allocated memory is still 69.2MB. Free memory was 43.6MB in the beginning and 36.1MB in the end (delta: 7.5MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-25 18:28:02,554 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:28:02,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1352.20ms. Allocated memory is still 69.2MB. Free memory was 43.4MB in the beginning and 36.3MB in the end (delta: 7.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-25 18:28:02,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1352.20ms. Allocated memory is still 69.2MB. Free memory was 43.4MB in the beginning and 36.3MB in the end (delta: 7.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN