./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e .......................................................................................................................... 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_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e ............................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:53:53,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:53:53,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:53:53,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:53:53,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:53:53,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:53:53,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:53:53,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:53:53,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:53:53,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:53:53,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:53:53,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:53:53,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:53:53,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:53:53,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:53:53,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:53:53,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:53:53,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:53:53,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:53:53,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:53:53,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:53:53,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:53:53,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:53:53,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:53:53,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:53:53,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:53:53,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:53:53,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:53:53,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:53:53,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:53:53,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:53:53,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:53:53,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:53:53,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:53:53,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:53:53,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:53:53,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:53:53,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:53:53,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:53:53,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:53:53,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:53:53,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-10-29 02:53:53,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:53:53,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:53:53,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:53:53,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:53:53,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:53:53,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 02:53:53,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:53:53,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:53:53,871 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 02:53:53,871 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 02:53:53,871 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 02:53:53,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:53:53,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:53:53,873 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:53:53,873 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:53:53,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:53:53,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:53,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:53:53,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:53:53,875 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:53:53,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:53:53,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-10-29 02:53:54,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:53:54,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:53:54,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:53:54,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:53:54,293 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:53:54,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-29 02:53:54,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/data/92a0ef3b0/a9fb949a0e4e4104b91bed868f7c37fd/FLAG1f6964367 [2021-10-29 02:53:55,402 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:53:55,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-29 02:53:55,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/data/92a0ef3b0/a9fb949a0e4e4104b91bed868f7c37fd/FLAG1f6964367 [2021-10-29 02:53:55,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/data/92a0ef3b0/a9fb949a0e4e4104b91bed868f7c37fd [2021-10-29 02:53:55,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:53:55,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:53:55,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:55,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:53:55,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:53:55,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:55" (1/1) ... [2021-10-29 02:53:55,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8b143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:55, skipping insertion in model container [2021-10-29 02:53:55,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:55" (1/1) ... [2021-10-29 02:53:55,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:53:56,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:53:58,228 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 [2021-10-29 02:53:58,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cd7ec70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:58, skipping insertion in model container [2021-10-29 02:53:58,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:58,238 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 02:53:58,240 INFO L168 Benchmark]: Toolchain (without parser) took 2308.89 ms. Allocated memory is still 96.5 MB. Free memory was 69.5 MB in the beginning and 56.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:58,242 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 96.5 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:53:58,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2305.50 ms. Allocated memory is still 96.5 MB. Free memory was 69.2 MB in the beginning and 56.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:58,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 96.5 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2305.50 ms. Allocated memory is still 96.5 MB. Free memory was 69.2 MB in the beginning and 56.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 10.5 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-b2eff8b [2021-10-29 02:54:01,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:54:01,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:54:01,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:54:01,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:54:01,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:54:01,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:54:01,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:54:01,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:54:01,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:54:01,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:54:01,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:54:01,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:54:01,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:54:01,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:54:01,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:54:01,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:54:01,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:54:01,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:54:01,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:54:01,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:54:01,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:54:01,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:54:01,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:54:01,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:54:01,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:54:01,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:54:01,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:54:01,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:54:01,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:54:01,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:54:01,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:54:01,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:54:01,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:54:01,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:54:01,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:54:01,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:54:01,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:54:01,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:54:01,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:54:01,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:54:01,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2021-10-29 02:54:01,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:54:01,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:54:01,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:54:01,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:54:01,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:54:01,278 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 02:54:01,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:54:01,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:54:01,278 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 02:54:01,279 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 02:54:01,280 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 02:54:01,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:54:01,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 02:54:01,281 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 02:54:01,281 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 02:54:01,281 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:54:01,282 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:54:01,282 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:54:01,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:54:01,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:01,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:54:01,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:54:01,283 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 02:54:01,284 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 02:54:01,284 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 02:54:01,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 02:54:01,285 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_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-10-29 02:54:01,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:54:01,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:54:01,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:54:01,758 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:54:01,759 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:54:01,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-29 02:54:01,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/data/fa94c2498/b81b51a493ac4b01a88cab27702ab4f9/FLAG1329e4dd8 [2021-10-29 02:54:02,766 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:54:02,766 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-29 02:54:02,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/data/fa94c2498/b81b51a493ac4b01a88cab27702ab4f9/FLAG1329e4dd8 [2021-10-29 02:54:03,309 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1486d308-cce1-4f61-8c54-97aed2ec9be9/bin/ukojak-Rh5K9KB4LI/data/fa94c2498/b81b51a493ac4b01a88cab27702ab4f9 [2021-10-29 02:54:03,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:54:03,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:54:03,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:03,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:54:03,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:54:03,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:03" (1/1) ... [2021-10-29 02:54:03,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f606e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:03, skipping insertion in model container [2021-10-29 02:54:03,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:03" (1/1) ... [2021-10-29 02:54:03,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:54:03,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:54:05,011 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 [2021-10-29 02:54:05,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a1aaf0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:05, skipping insertion in model container [2021-10-29 02:54:05,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:05,016 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 02:54:05,019 INFO L168 Benchmark]: Toolchain (without parser) took 1700.87 ms. Allocated memory is still 58.7 MB. Free memory was 31.3 MB in the beginning and 26.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:05,021 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:05,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1694.76 ms. Allocated memory is still 58.7 MB. Free memory was 31.2 MB in the beginning and 26.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:05,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1694.76 ms. Allocated memory is still 58.7 MB. Free memory was 31.2 MB in the beginning and 26.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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...