./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33f1a19988aaf034166ab26d83f342c485d4c498 ......................................................................................................................................... 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_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33f1a19988aaf034166ab26d83f342c485d4c498 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:21:09,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:21:09,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:21:09,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:21:09,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:21:09,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:21:09,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:21:09,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:21:09,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:21:09,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:21:09,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:21:09,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:21:09,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:21:09,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:21:09,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:21:09,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:21:09,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:21:09,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:21:09,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:21:09,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:21:10,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:21:10,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:21:10,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:21:10,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:21:10,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:21:10,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:21:10,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:21:10,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:21:10,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:21:10,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:21:10,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:21:10,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:21:10,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:21:10,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:21:10,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:21:10,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:21:10,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:21:10,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:21:10,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:21:10,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:21:10,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:21:10,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 07:21:10,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:21:10,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:21:10,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:21:10,095 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:21:10,095 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:21:10,095 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:21:10,096 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:21:10,096 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:21:10,096 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:21:10,096 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:21:10,097 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:21:10,097 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:21:10,098 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:21:10,098 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:21:10,098 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:21:10,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:21:10,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:21:10,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:21:10,099 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:21:10,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:21:10,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:21:10,099 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:21:10,099 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:21:10,099 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:21:10,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:21:10,100 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:21:10,100 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:21:10,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:21:10,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:21:10,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:10,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:21:10,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:21:10,101 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:21:10,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:21:10,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:21:10,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:21:10,102 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_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f1a19988aaf034166ab26d83f342c485d4c498 [2021-10-13 07:21:10,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:21:10,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:21:10,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:21:10,436 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:21:10,437 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:21:10,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-10-13 07:21:10,504 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/data/54e3a7765/e11929e86bfe476db1cfa46b92e06f8d/FLAG7fb90f0ba [2021-10-13 07:21:11,304 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:21:11,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-10-13 07:21:11,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/data/54e3a7765/e11929e86bfe476db1cfa46b92e06f8d/FLAG7fb90f0ba [2021-10-13 07:21:11,846 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/data/54e3a7765/e11929e86bfe476db1cfa46b92e06f8d [2021-10-13 07:21:11,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:21:11,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:21:11,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:11,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:21:11,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:21:11,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:11" (1/1) ... [2021-10-13 07:21:11,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b7c3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:11, skipping insertion in model container [2021-10-13 07:21:11,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:11" (1/1) ... [2021-10-13 07:21:11,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:21:11,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:13,176 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 07:21:13,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e671463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:13, skipping insertion in model container [2021-10-13 07:21:13,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:13,178 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:21:13,180 INFO L168 Benchmark]: Toolchain (without parser) took 1327.19 ms. Allocated memory is still 115.3 MB. Free memory was 70.1 MB in the beginning and 72.3 MB in the end (delta: -2.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:13,181 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 115.3 MB. Free memory is still 92.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:13,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1322.33 ms. Allocated memory is still 115.3 MB. Free memory was 69.9 MB in the beginning and 72.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:13,184 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 115.3 MB. Free memory is still 92.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1322.33 ms. Allocated memory is still 115.3 MB. Free memory was 69.9 MB in the beginning and 72.3 MB in the end (delta: -2.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:21:15,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:21:15,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:21:15,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:21:15,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:21:15,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:21:15,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:21:15,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:21:15,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:21:15,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:21:15,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:21:15,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:21:15,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:21:15,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:21:15,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:21:15,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:21:15,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:21:15,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:21:15,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:21:15,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:21:15,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:21:15,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:21:15,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:21:15,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:21:15,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:21:15,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:21:15,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:21:15,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:21:15,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:21:15,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:21:15,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:21:15,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:21:15,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:21:15,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:21:15,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:21:15,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:21:15,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:21:15,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:21:15,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:21:15,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:21:15,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:21:15,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 07:21:15,684 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:21:15,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:21:15,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:21:15,686 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:21:15,686 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:21:15,687 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:21:15,687 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:21:15,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:21:15,687 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:21:15,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:21:15,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:21:15,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:21:15,691 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:21:15,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:21:15,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:21:15,691 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:21:15,691 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:21:15,692 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:21:15,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:21:15,692 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:21:15,692 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:21:15,693 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:21:15,693 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:21:15,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:21:15,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:21:15,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:21:15,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:15,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:21:15,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:21:15,695 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:21:15,695 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:15,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:21:15,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:21:15,696 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_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f1a19988aaf034166ab26d83f342c485d4c498 [2021-10-13 07:21:16,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:21:16,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:21:16,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:21:16,166 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:21:16,169 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:21:16,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-10-13 07:21:16,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/data/4d3640de8/11a0602924a646e0bf9a34e5a1324dc2/FLAG24a69878d [2021-10-13 07:21:16,995 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:21:16,996 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-10-13 07:21:17,050 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/data/4d3640de8/11a0602924a646e0bf9a34e5a1324dc2/FLAG24a69878d [2021-10-13 07:21:17,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38f1ab-77db-4923-aa8d-8eff23fc4ceb/bin/utaipan-q2qaUkNPG8/data/4d3640de8/11a0602924a646e0bf9a34e5a1324dc2 [2021-10-13 07:21:17,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:21:17,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:21:17,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:17,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:21:17,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:21:17,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:17" (1/1) ... [2021-10-13 07:21:17,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa783b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:17, skipping insertion in model container [2021-10-13 07:21:17,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:17" (1/1) ... [2021-10-13 07:21:17,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:21:17,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:18,622 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 07:21:18,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@92faf84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:18, skipping insertion in model container [2021-10-13 07:21:18,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:18,623 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:21:18,625 INFO L168 Benchmark]: Toolchain (without parser) took 1512.00 ms. Allocated memory is still 62.9 MB. Free memory was 36.9 MB in the beginning and 31.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:18,626 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 62.9 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:18,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1509.60 ms. Allocated memory is still 62.9 MB. Free memory was 36.6 MB in the beginning and 31.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:18,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 62.9 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1509.60 ms. Allocated memory is still 62.9 MB. Free memory was 36.6 MB in the beginning and 31.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: 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...