./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-1.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_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/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_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/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_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/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 2b37a2989873bccb38a599c5f72aafffdd60cc5a ......................................................................................................................................... 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_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/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_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/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_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/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 2b37a2989873bccb38a599c5f72aafffdd60cc5a ...................................................................................................................................... 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 07:11:08,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:11:08,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:11:08,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:11:08,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:11:08,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:11:08,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:11:08,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:11:08,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:11:08,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:11:08,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:11:08,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:11:08,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:11:08,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:11:08,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:11:08,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:11:08,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:11:08,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:11:08,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:11:08,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:11:08,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:11:08,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:11:08,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:11:08,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:11:08,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:11:08,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:11:08,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:11:08,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:11:08,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:11:08,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:11:08,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:11:08,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:11:08,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:11:08,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:11:08,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:11:08,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:11:08,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:11:08,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:11:08,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:11:08,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:11:08,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:11:08,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 07:11:08,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:11:08,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:11:08,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:11:08,316 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:11:08,317 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:11:08,317 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:11:08,317 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:11:08,317 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:11:08,318 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:11:08,318 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:11:08,319 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:11:08,319 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:11:08,320 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:11:08,320 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:11:08,320 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:11:08,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:11:08,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:11:08,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:11:08,322 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:11:08,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:11:08,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:11:08,322 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:11:08,323 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:11:08,323 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:11:08,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:11:08,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:11:08,324 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:11:08,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:11:08,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:11:08,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:11:08,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:11:08,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:11:08,325 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:11:08,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:11:08,326 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:11:08,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:11:08,326 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_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b37a2989873bccb38a599c5f72aafffdd60cc5a [2021-10-13 07:11:08,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:11:08,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:11:08,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:11:08,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:11:08,632 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:11:08,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-10-13 07:11:08,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/data/74226f46c/ee53b2ce7e974e1f8b656f1aa0b08fe3/FLAG1a056f986 [2021-10-13 07:11:09,389 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:11:09,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-10-13 07:11:09,440 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/data/74226f46c/ee53b2ce7e974e1f8b656f1aa0b08fe3/FLAG1a056f986 [2021-10-13 07:11:09,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/data/74226f46c/ee53b2ce7e974e1f8b656f1aa0b08fe3 [2021-10-13 07:11:09,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:11:09,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:11:09,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:11:09,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:11:09,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:11:09,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:11:09" (1/1) ... [2021-10-13 07:11:09,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34db3ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:09, skipping insertion in model container [2021-10-13 07:11:09,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:11:09" (1/1) ... [2021-10-13 07:11:09,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:11:09,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:11:11,016 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-10-13 07:11:11,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c1c524c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:11, skipping insertion in model container [2021-10-13 07:11:11,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:11:11,018 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:11:11,020 INFO L168 Benchmark]: Toolchain (without parser) took 1435.77 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 58.3 MB in the beginning and 82.1 MB in the end (delta: -23.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:11:11,021 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory was 69.7 MB in the beginning and 69.6 MB in the end (delta: 27.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:11:11,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1432.91 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 58.1 MB in the beginning and 82.1 MB in the end (delta: -23.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:11:11,025 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 98.6 MB. Free memory was 69.7 MB in the beginning and 69.6 MB in the end (delta: 27.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1432.91 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 58.1 MB in the beginning and 82.1 MB in the end (delta: -23.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:11:13,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:11:13,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:11:13,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:11:13,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:11:13,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:11:13,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:11:13,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:11:13,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:11:13,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:11:13,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:11:13,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:11:13,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:11:13,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:11:13,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:11:13,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:11:13,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:11:13,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:11:13,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:11:13,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:11:13,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:11:13,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:11:13,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:11:13,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:11:13,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:11:13,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:11:13,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:11:13,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:11:13,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:11:13,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:11:13,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:11:13,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:11:13,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:11:13,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:11:13,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:11:13,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:11:13,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:11:13,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:11:13,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:11:13,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:11:13,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:11:13,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 07:11:13,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:11:13,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:11:13,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:11:13,500 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:11:13,500 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:11:13,501 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:11:13,501 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:11:13,501 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:11:13,501 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:11:13,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:11:13,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:11:13,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:11:13,505 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:11:13,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:11:13,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:11:13,505 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:11:13,505 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:11:13,506 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:11:13,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:11:13,506 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:11:13,506 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:11:13,507 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:11:13,507 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:11:13,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:11:13,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:11:13,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:11:13,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:11:13,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:11:13,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:11:13,509 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:11:13,509 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:11:13,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:11:13,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:11:13,510 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_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b37a2989873bccb38a599c5f72aafffdd60cc5a [2021-10-13 07:11:13,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:11:13,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:11:13,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:11:13,965 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:11:13,967 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:11:13,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-10-13 07:11:14,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/data/aaf068a1b/aa3f96e4f113416faa9396b960c5cbd1/FLAG52c4ce11f [2021-10-13 07:11:14,895 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:11:14,896 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2021-10-13 07:11:14,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/data/aaf068a1b/aa3f96e4f113416faa9396b960c5cbd1/FLAG52c4ce11f [2021-10-13 07:11:15,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a06aa8ed-c2e5-42da-8c53-85d3611ec06f/bin/utaipan-q2qaUkNPG8/data/aaf068a1b/aa3f96e4f113416faa9396b960c5cbd1 [2021-10-13 07:11:15,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:11:15,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:11:15,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:11:15,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:11:15,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:11:15,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:11:15" (1/1) ... [2021-10-13 07:11:15,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33468b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:15, skipping insertion in model container [2021-10-13 07:11:15,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:11:15" (1/1) ... [2021-10-13 07:11:15,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:11:15,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:11:16,824 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2021-10-13 07:11:16,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d7cfed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:11:16, skipping insertion in model container [2021-10-13 07:11:16,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:11:16,825 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:11:16,827 INFO L168 Benchmark]: Toolchain (without parser) took 1372.29 ms. Allocated memory is still 69.2 MB. Free memory was 44.0 MB in the beginning and 35.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:11:16,828 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 69.2 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:11:16,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1370.18 ms. Allocated memory is still 69.2 MB. Free memory was 43.8 MB in the beginning and 35.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:11:16,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 69.2 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1370.18 ms. Allocated memory is still 69.2 MB. Free memory was 43.8 MB in the beginning and 35.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...