./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/who-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:54:45,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:54:45,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:54:45,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:54:45,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:54:45,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:54:45,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:54:45,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:54:45,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:54:45,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:54:45,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:54:45,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:54:45,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:54:45,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:54:45,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:54:45,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:54:45,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:54:45,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:54:45,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:54:45,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:54:45,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:54:45,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:54:45,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:54:45,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:54:45,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:54:45,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:54:45,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:54:45,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:54:45,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:54:45,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:54:45,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:54:45,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:54:45,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:54:45,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:54:45,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:54:45,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:54:45,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:54:45,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:54:45,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:54:45,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:54:45,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:54:45,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-25 17:54:45,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:54:45,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:54:45,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:54:45,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:54:45,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:54:45,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:54:45,249 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:54:45,249 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:54:45,249 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:54:45,249 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:54:45,250 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:54:45,250 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:54:45,251 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:54:45,251 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:54:45,251 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:54:45,251 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:54:45,252 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:54:45,252 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:54:45,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 17:54:45,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 17:54:45,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:54:45,253 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:54:45,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:54:45,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:54:45,255 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 17:54:45,255 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 17:54:45,256 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 17:54:45,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:54:45,256 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 17:54:45,256 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:54:45,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:54:45,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:54:45,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:54:45,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:54:45,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:54:45,258 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:54:45,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:54:45,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:54:45,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:54:45,258 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_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 [2021-11-25 17:54:45,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:54:45,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:54:45,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:54:45,601 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:54:45,601 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:54:45,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-11-25 17:54:45,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/data/e8791240f/6705201a0fc54826bc775c37ed7a9110/FLAG156b9de2f [2021-11-25 17:54:46,452 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:54:46,453 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-11-25 17:54:46,488 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/data/e8791240f/6705201a0fc54826bc775c37ed7a9110/FLAG156b9de2f [2021-11-25 17:54:46,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/data/e8791240f/6705201a0fc54826bc775c37ed7a9110 [2021-11-25 17:54:46,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:54:46,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:54:46,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:54:46,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:54:46,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:54:46,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:54:46" (1/1) ... [2021-11-25 17:54:46,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179c3757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:46, skipping insertion in model container [2021-11-25 17:54:46,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:54:46" (1/1) ... [2021-11-25 17:54:46,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:54:46,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:54:47,853 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 [2021-11-25 17:54:47,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43cad3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:47, skipping insertion in model container [2021-11-25 17:54:47,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:54:47,854 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 17:54:47,856 INFO L158 Benchmark]: Toolchain (without parser) took 1310.43ms. Allocated memory is still 121.6MB. Free memory was 87.9MB in the beginning and 76.7MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 17:54:47,857 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:54:47,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1307.83ms. Allocated memory is still 121.6MB. Free memory was 87.6MB in the beginning and 76.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 17:54:47,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1307.83ms. Allocated memory is still 121.6MB. Free memory was 87.6MB in the beginning and 76.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: 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... --- 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_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:54:50,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:54:50,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:54:50,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:54:50,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:54:50,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:54:50,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:54:50,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:54:50,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:54:50,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:54:50,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:54:50,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:54:50,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:54:50,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:54:50,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:54:50,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:54:50,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:54:50,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:54:50,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:54:50,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:54:50,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:54:50,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:54:50,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:54:50,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:54:50,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:54:50,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:54:50,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:54:50,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:54:50,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:54:50,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:54:50,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:54:50,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:54:50,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:54:50,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:54:50,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:54:50,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:54:50,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:54:50,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:54:50,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:54:50,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:54:50,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:54:50,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-25 17:54:50,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:54:50,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:54:50,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:54:50,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:54:50,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:54:50,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:54:50,401 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:54:50,401 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:54:50,401 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:54:50,402 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:54:50,402 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:54:50,402 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:54:50,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 17:54:50,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 17:54:50,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:54:50,404 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:54:50,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:54:50,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:54:50,405 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 17:54:50,406 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 17:54:50,406 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 17:54:50,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:54:50,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 17:54:50,407 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 17:54:50,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 17:54:50,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:54:50,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:54:50,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 17:54:50,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:54:50,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:54:50,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:54:50,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:54:50,410 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 17:54:50,410 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 17:54:50,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:54:50,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:54:50,411 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_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 [2021-11-25 17:54:50,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:54:50,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:54:50,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:54:50,860 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:54:50,861 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:54:50,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-11-25 17:54:50,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/data/d2ed5b941/2975a325b9e94cd1883cd025ba2066e9/FLAGed3b52f9e [2021-11-25 17:54:51,724 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:54:51,725 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/sv-benchmarks/c/busybox-1.22.0/who-2.i [2021-11-25 17:54:51,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/data/d2ed5b941/2975a325b9e94cd1883cd025ba2066e9/FLAGed3b52f9e [2021-11-25 17:54:51,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2381370b-9d67-490f-9656-e918b38504b4/bin/utaipan-eEHZpOm5b7/data/d2ed5b941/2975a325b9e94cd1883cd025ba2066e9 [2021-11-25 17:54:51,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:54:51,842 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:54:51,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:54:51,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:54:51,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:54:51,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:54:51" (1/1) ... [2021-11-25 17:54:51,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b39eaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:51, skipping insertion in model container [2021-11-25 17:54:51,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:54:51" (1/1) ... [2021-11-25 17:54:51,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:54:51,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:54:53,407 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 [2021-11-25 17:54:53,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@407f3660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:54:53, skipping insertion in model container [2021-11-25 17:54:53,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:54:53,408 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 17:54:53,410 INFO L158 Benchmark]: Toolchain (without parser) took 1567.56ms. Allocated memory is still 77.6MB. Free memory was 58.7MB in the beginning and 41.6MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-25 17:54:53,411 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 36.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:54:53,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1563.40ms. Allocated memory is still 77.6MB. Free memory was 58.5MB in the beginning and 41.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-25 17:54:53,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 36.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1563.40ms. Allocated memory is still 77.6MB. Free memory was 58.5MB in the beginning and 41.9MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN