./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8 --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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:58:10,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:58:10,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:58:10,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:58:10,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:58:10,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:58:10,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:58:10,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:58:10,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:58:10,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:58:10,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:58:10,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:58:10,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:58:10,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:58:10,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:58:10,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:58:10,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:58:10,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:58:10,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:58:10,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:58:10,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:58:10,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:58:10,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:58:10,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:58:10,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:58:10,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:58:10,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:58:10,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:58:10,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:58:10,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:58:10,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:58:10,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:58:10,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:58:10,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:58:10,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:58:10,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:58:10,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:58:10,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:58:10,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:58:10,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:58:10,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:58:10,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-07 01:58:10,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:58:10,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:58:10,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:58:10,292 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:58:10,292 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:58:10,292 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:58:10,293 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:58:10,296 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:58:10,296 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:58:10,296 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:58:10,297 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:58:10,297 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:58:10,298 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:58:10,298 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:58:10,298 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:58:10,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:58:10,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:58:10,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:58:10,299 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:58:10,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:58:10,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:58:10,300 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:58:10,300 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:58:10,301 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:58:10,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:58:10,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:58:10,303 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:58:10,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:58:10,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:58:10,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:58:10,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:58:10,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:58:10,304 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:58:10,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:58:10,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:58:10,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:58:10,305 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_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2021-11-07 01:58:10,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:58:10,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:58:10,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:58:10,665 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:58:10,666 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:58:10,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-07 01:58:10,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/data/4d1e59010/0a6d76d94a6448888578f618a19164ad/FLAG269e70390 [2021-11-07 01:58:11,577 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:58:11,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-07 01:58:11,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/data/4d1e59010/0a6d76d94a6448888578f618a19164ad/FLAG269e70390 [2021-11-07 01:58:11,680 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/data/4d1e59010/0a6d76d94a6448888578f618a19164ad [2021-11-07 01:58:11,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:58:11,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:58:11,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:58:11,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:58:11,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:58:11,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:58:11" (1/1) ... [2021-11-07 01:58:11,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@165b2b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:11, skipping insertion in model container [2021-11-07 01:58:11,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:58:11" (1/1) ... [2021-11-07 01:58:11,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:58:11,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:58:12,999 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-07 01:58:13,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37c1b06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:12, skipping insertion in model container [2021-11-07 01:58:13,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:58:13,000 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:58:13,002 INFO L168 Benchmark]: Toolchain (without parser) took 1315.81 ms. Allocated memory is still 119.5 MB. Free memory was 77.6 MB in the beginning and 80.1 MB in the end (delta: -2.5 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:13,003 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 119.5 MB. Free memory was 99.2 MB in the beginning and 99.1 MB in the end (delta: 61.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:58:13,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1311.81 ms. Allocated memory is still 119.5 MB. Free memory was 77.4 MB in the beginning and 80.1 MB in the end (delta: -2.7 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:13,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 119.5 MB. Free memory was 99.2 MB in the beginning and 99.1 MB in the end (delta: 61.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1311.81 ms. Allocated memory is still 119.5 MB. Free memory was 77.4 MB in the beginning and 80.1 MB in the end (delta: -2.7 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: 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_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8 --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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:58:15,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:58:15,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:58:15,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:58:15,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:58:15,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:58:15,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:58:15,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:58:15,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:58:15,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:58:15,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:58:15,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:58:15,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:58:15,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:58:15,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:58:15,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:58:15,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:58:15,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:58:15,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:58:15,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:58:15,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:58:15,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:58:15,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:58:15,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:58:15,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:58:15,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:58:15,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:58:15,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:58:15,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:58:15,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:58:15,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:58:15,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:58:15,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:58:15,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:58:15,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:58:15,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:58:15,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:58:15,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:58:15,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:58:15,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:58:15,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:58:15,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-07 01:58:15,431 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:58:15,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:58:15,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:58:15,433 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:58:15,433 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:58:15,433 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:58:15,433 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:58:15,434 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:58:15,435 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:58:15,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:58:15,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:58:15,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:58:15,438 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:58:15,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:58:15,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:58:15,438 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:58:15,439 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:58:15,439 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:58:15,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:58:15,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:58:15,440 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:58:15,440 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:58:15,440 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:58:15,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:58:15,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:58:15,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:58:15,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:58:15,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:58:15,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:58:15,442 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:58:15,442 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:58:15,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:58:15,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:58:15,443 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_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2021-11-07 01:58:15,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:58:15,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:58:15,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:58:15,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:58:15,850 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:58:15,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-07 01:58:15,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/data/e5f27ad69/56958a0da3f444289456829c35e1b804/FLAG57385dbd8 [2021-11-07 01:58:16,759 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:58:16,760 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-07 01:58:16,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/data/e5f27ad69/56958a0da3f444289456829c35e1b804/FLAG57385dbd8 [2021-11-07 01:58:16,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c252a75d-5366-4504-9131-8cc2b36e63d4/bin/utaipan-UUZaoUuFF8/data/e5f27ad69/56958a0da3f444289456829c35e1b804 [2021-11-07 01:58:16,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:58:16,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:58:16,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:58:16,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:58:16,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:58:16,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:58:16" (1/1) ... [2021-11-07 01:58:16,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dcab85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:16, skipping insertion in model container [2021-11-07 01:58:16,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:58:16" (1/1) ... [2021-11-07 01:58:16,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:58:16,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:58:18,310 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-07 01:58:18,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b930c0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:58:18, skipping insertion in model container [2021-11-07 01:58:18,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:58:18,312 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:58:18,315 INFO L168 Benchmark]: Toolchain (without parser) took 1453.97 ms. Allocated memory is still 71.3 MB. Free memory was 44.8 MB in the beginning and 39.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:18,316 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 50.3 MB. Free memory was 30.2 MB in the beginning and 30.1 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:58:18,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1451.07 ms. Allocated memory is still 71.3 MB. Free memory was 44.7 MB in the beginning and 39.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:58:18,322 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 50.3 MB. Free memory was 30.2 MB in the beginning and 30.1 MB in the end (delta: 40.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1451.07 ms. Allocated memory is still 71.3 MB. Free memory was 44.7 MB in the beginning and 39.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: 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