./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-1.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_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/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_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/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_e45e9fc4-f377-4fb5-a210-084e94ea7f87/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 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:52:03,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:52:03,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:52:03,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:52:03,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:52:03,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:52:03,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:52:03,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:52:03,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:52:03,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:52:03,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:52:03,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:52:03,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:52:03,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:52:03,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:52:03,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:52:03,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:52:03,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:52:03,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:52:03,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:52:03,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:52:03,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:52:03,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:52:03,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:52:03,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:52:03,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:52:03,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:52:03,990 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:52:03,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:52:03,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:52:03,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:52:03,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:52:03,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:52:03,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:52:04,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:52:04,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:52:04,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:52:04,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:52:04,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:52:04,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:52:04,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:52:04,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-25 17:52:04,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:52:04,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:52:04,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:52:04,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:52:04,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:52:04,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:52:04,054 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:52:04,054 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:52:04,055 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:52:04,055 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:52:04,055 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:52:04,055 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:52:04,055 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:52:04,055 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:52:04,055 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:52:04,056 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:52:04,056 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:52:04,056 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:52:04,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 17:52:04,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 17:52:04,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:52:04,057 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:52:04,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:52:04,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:52:04,058 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 17:52:04,058 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 17:52:04,058 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 17:52:04,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:52:04,059 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 17:52:04,060 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:52:04,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:52:04,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:52:04,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:52:04,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:52:04,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:52:04,061 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:52:04,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:52:04,062 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:52:04,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:52:04,063 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_e45e9fc4-f377-4fb5-a210-084e94ea7f87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 [2021-11-25 17:52:04,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:52:04,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:52:04,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:52:04,375 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:52:04,377 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:52:04,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-11-25 17:52:04,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/data/89a61b76a/3137de01b8204bcb91f1e86b3908a949/FLAGf2b590c47 [2021-11-25 17:52:05,178 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:52:05,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-11-25 17:52:05,222 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/data/89a61b76a/3137de01b8204bcb91f1e86b3908a949/FLAGf2b590c47 [2021-11-25 17:52:05,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/data/89a61b76a/3137de01b8204bcb91f1e86b3908a949 [2021-11-25 17:52:05,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:52:05,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:52:05,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:52:05,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:52:05,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:52:05,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:05" (1/1) ... [2021-11-25 17:52:05,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38881150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:05, skipping insertion in model container [2021-11-25 17:52:05,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:05" (1/1) ... [2021-11-25 17:52:05,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:52:05,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:52:06,696 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 17:52:06,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7aa3999f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:06, skipping insertion in model container [2021-11-25 17:52:06,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:52:06,703 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 17:52:06,705 INFO L158 Benchmark]: Toolchain (without parser) took 1391.52ms. Allocated memory is still 121.6MB. Free memory was 92.1MB in the beginning and 83.0MB in the end (delta: 9.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 17:52:06,707 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:52:06,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1389.18ms. Allocated memory is still 121.6MB. Free memory was 91.8MB in the beginning and 83.0MB in the end (delta: 8.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 17:52:06,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1389.18ms. Allocated memory is still 121.6MB. Free memory was 91.8MB in the beginning and 83.0MB in the end (delta: 8.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/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_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/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_e45e9fc4-f377-4fb5-a210-084e94ea7f87/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 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:52:08,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:52:08,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:52:09,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:52:09,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:52:09,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:52:09,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:52:09,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:52:09,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:52:09,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:52:09,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:52:09,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:52:09,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:52:09,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:52:09,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:52:09,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:52:09,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:52:09,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:52:09,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:52:09,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:52:09,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:52:09,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:52:09,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:52:09,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:52:09,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:52:09,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:52:09,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:52:09,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:52:09,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:52:09,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:52:09,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:52:09,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:52:09,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:52:09,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:52:09,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:52:09,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:52:09,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:52:09,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:52:09,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:52:09,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:52:09,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:52:09,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-25 17:52:09,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:52:09,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:52:09,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:52:09,165 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:52:09,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:52:09,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:52:09,166 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:52:09,166 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:52:09,166 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:52:09,167 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:52:09,167 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:52:09,167 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:52:09,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 17:52:09,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 17:52:09,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:52:09,169 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:52:09,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:52:09,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:52:09,169 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 17:52:09,170 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 17:52:09,170 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 17:52:09,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:52:09,170 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 17:52:09,171 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 17:52:09,171 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 17:52:09,171 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:52:09,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:52:09,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 17:52:09,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:52:09,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:52:09,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:52:09,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:52:09,173 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 17:52:09,173 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 17:52:09,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:52:09,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:52:09,174 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_e45e9fc4-f377-4fb5-a210-084e94ea7f87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d2317c8ff507d31bd70a8e1ba244da3845f75b1ba0e1823bea31aedc0f87f4 [2021-11-25 17:52:09,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:52:09,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:52:09,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:52:09,557 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:52:09,558 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:52:09,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-11-25 17:52:09,631 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/data/ec3442b75/0209a64a5c754b028e94c8992355fc62/FLAG335abf9c5 [2021-11-25 17:52:10,353 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:52:10,354 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/sv-benchmarks/c/busybox-1.22.0/head-1.i [2021-11-25 17:52:10,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/data/ec3442b75/0209a64a5c754b028e94c8992355fc62/FLAG335abf9c5 [2021-11-25 17:52:10,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45e9fc4-f377-4fb5-a210-084e94ea7f87/bin/utaipan-eEHZpOm5b7/data/ec3442b75/0209a64a5c754b028e94c8992355fc62 [2021-11-25 17:52:10,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:52:10,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:52:10,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:52:10,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:52:10,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:52:10,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:10" (1/1) ... [2021-11-25 17:52:10,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4b01a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:10, skipping insertion in model container [2021-11-25 17:52:10,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:10" (1/1) ... [2021-11-25 17:52:10,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:52:10,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:52:11,988 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 17:52:11,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71e8c002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:11, skipping insertion in model container [2021-11-25 17:52:11,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:52:11,994 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 17:52:11,997 INFO L158 Benchmark]: Toolchain (without parser) took 1400.97ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 30.0MB in the beginning and 56.6MB in the end (delta: -26.6MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-25 17:52:11,999 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:52:12,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1397.12ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 29.8MB in the beginning and 56.6MB in the end (delta: -26.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-11-25 17:52:12,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1397.12ms. Allocated memory was 56.6MB in the beginning and 86.0MB in the end (delta: 29.4MB). Free memory was 29.8MB in the beginning and 56.6MB in the end (delta: -26.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN