./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/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_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF --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-63182f1 [2021-11-13 01:43:01,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:43:01,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:43:01,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:43:01,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:43:01,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:43:01,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:43:01,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:43:01,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:43:01,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:43:01,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:43:01,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:43:01,991 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:43:01,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:43:01,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:43:02,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:43:02,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:43:02,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:43:02,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:43:02,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:43:02,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:43:02,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:43:02,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:43:02,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:43:02,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:43:02,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:43:02,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:43:02,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:43:02,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:43:02,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:43:02,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:43:02,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:43:02,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:43:02,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:43:02,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:43:02,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:43:02,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:43:02,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:43:02,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:43:02,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:43:02,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:43:02,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-13 01:43:02,089 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:43:02,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:43:02,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:43:02,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:43:02,090 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:43:02,090 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:43:02,090 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:43:02,091 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:43:02,091 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:43:02,091 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:43:02,091 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:43:02,091 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:43:02,092 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:43:02,092 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:43:02,092 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:43:02,092 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:43:02,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 01:43:02,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 01:43:02,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:43:02,093 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 01:43:02,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:43:02,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:43:02,094 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 01:43:02,094 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 01:43:02,094 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 01:43:02,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:43:02,095 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:43:02,095 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:43:02,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:43:02,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:43:02,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:43:02,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:43:02,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:43:02,096 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:43:02,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:43:02,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:43:02,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:43:02,101 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_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2021-11-13 01:43:02,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:43:02,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:43:02,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:43:02,418 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:43:02,419 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:43:02,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-13 01:43:02,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/data/a71440734/5ff93890f0a342c996db6003edaf666c/FLAG0cb99ef08 [2021-11-13 01:43:03,216 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:43:03,217 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-13 01:43:03,253 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/data/a71440734/5ff93890f0a342c996db6003edaf666c/FLAG0cb99ef08 [2021-11-13 01:43:03,352 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/data/a71440734/5ff93890f0a342c996db6003edaf666c [2021-11-13 01:43:03,357 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:43:03,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:43:03,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:03,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:43:03,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:43:03,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:03" (1/1) ... [2021-11-13 01:43:03,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a2802e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:03, skipping insertion in model container [2021-11-13 01:43:03,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:03" (1/1) ... [2021-11-13 01:43:03,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:43:03,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:43:04,819 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-13 01:43:04,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c91a52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:04, skipping insertion in model container [2021-11-13 01:43:04,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:04,821 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:43:04,823 INFO L158 Benchmark]: Toolchain (without parser) took 1461.23ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 54.5MB in the end (delta: 16.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-11-13 01:43:04,823 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 70.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:43:04,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1458.58ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 54.5MB in the end (delta: 16.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-11-13 01:43:04,826 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 71.0MB in the beginning and 70.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1458.58ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 54.5MB in the end (delta: 16.2MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * 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_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/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_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF --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-63182f1 [2021-11-13 01:43:07,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:43:07,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:43:07,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:43:07,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:43:07,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:43:07,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:43:07,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:43:07,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:43:07,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:43:07,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:43:07,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:43:07,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:43:07,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:43:07,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:43:07,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:43:07,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:43:07,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:43:07,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:43:07,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:43:07,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:43:07,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:43:07,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:43:07,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:43:07,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:43:07,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:43:07,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:43:07,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:43:07,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:43:07,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:43:07,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:43:07,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:43:07,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:43:07,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:43:07,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:43:07,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:43:07,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:43:07,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:43:07,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:43:07,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:43:07,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:43:07,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-13 01:43:07,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:43:07,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:43:07,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:43:07,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:43:07,332 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:43:07,332 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:43:07,332 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:43:07,332 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:43:07,332 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:43:07,333 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:43:07,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 01:43:07,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 01:43:07,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:43:07,334 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 01:43:07,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:43:07,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:43:07,335 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 01:43:07,335 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 01:43:07,335 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 01:43:07,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:43:07,336 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:43:07,336 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 01:43:07,336 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 01:43:07,336 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:43:07,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:43:07,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 01:43:07,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:43:07,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:43:07,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:43:07,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:43:07,338 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 01:43:07,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 01:43:07,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:43:07,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:43:07,339 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_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2021-11-13 01:43:07,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:43:07,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:43:07,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:43:07,766 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:43:07,766 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:43:07,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-13 01:43:07,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/data/59b8d51d2/c240e1e0d4524d35affb9c780afa5f0a/FLAG0d9bb0f9b [2021-11-13 01:43:08,675 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:43:08,676 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-11-13 01:43:08,711 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/data/59b8d51d2/c240e1e0d4524d35affb9c780afa5f0a/FLAG0d9bb0f9b [2021-11-13 01:43:08,735 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_072db878-285e-4ac0-83a1-3c1481410d36/bin/utaipan-vmNK8stdcF/data/59b8d51d2/c240e1e0d4524d35affb9c780afa5f0a [2021-11-13 01:43:08,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:43:08,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:43:08,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:08,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:43:08,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:43:08,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:08" (1/1) ... [2021-11-13 01:43:08,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd9da69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:08, skipping insertion in model container [2021-11-13 01:43:08,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:08" (1/1) ... [2021-11-13 01:43:08,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:43:08,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:43:10,094 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-13 01:43:10,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d87b381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:10, skipping insertion in model container [2021-11-13 01:43:10,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:10,096 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:43:10,098 INFO L158 Benchmark]: Toolchain (without parser) took 1357.51ms. Allocated memory is still 77.6MB. Free memory was 59.2MB in the beginning and 46.3MB in the end (delta: 12.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-11-13 01:43:10,098 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory was 59.4MB in the beginning and 59.3MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:43:10,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1354.98ms. Allocated memory is still 77.6MB. Free memory was 59.0MB in the beginning and 46.3MB in the end (delta: 12.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-11-13 01:43:10,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory was 59.4MB in the beginning and 59.3MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1354.98ms. Allocated memory is still 77.6MB. Free memory was 59.0MB in the beginning and 46.3MB in the end (delta: 12.7MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * 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