./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan --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 04a182629dc69e7b63e910986b3105def9ef9cf6 .......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan --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 04a182629dc69e7b63e910986b3105def9ef9cf6 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:43:07,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:43:07,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:43:07,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:43:07,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:43:07,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:43:07,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:43:07,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:43:07,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:43:07,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:43:07,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:43:07,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:43:07,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:43:07,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:43:07,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:43:07,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:43:07,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:43:07,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:43:07,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:43:07,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:43:07,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:43:07,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:43:07,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:43:07,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:43:07,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:43:07,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:43:07,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:43:07,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:43:07,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:43:07,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:43:07,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:43:07,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:43:07,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:43:07,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:43:07,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:43:07,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:43:07,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:43:07,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:43:07,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:43:07,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:43:07,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:43:07,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-28 07:43:07,309 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:43:07,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:43:07,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:43:07,311 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:43:07,311 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:43:07,312 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:43:07,312 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:43:07,312 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:43:07,312 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:43:07,313 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:43:07,314 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:43:07,314 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:43:07,314 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:43:07,315 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:43:07,315 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:43:07,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:43:07,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:43:07,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:43:07,316 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:43:07,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:43:07,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:43:07,317 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:43:07,317 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:43:07,317 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:43:07,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:43:07,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:43:07,319 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:43:07,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:43:07,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:43:07,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:43:07,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:43:07,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:43:07,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:43:07,321 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:43:07,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:43:07,322 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:43:07,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:43:07,322 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-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04a182629dc69e7b63e910986b3105def9ef9cf6 [2020-11-28 07:43:07,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:43:07,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:43:07,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:43:07,684 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:43:07,684 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:43:07,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2020-11-28 07:43:07,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/data/f50e8ef27/1c01e3a9a15c4ead95816aa8dbf709b5/FLAGde8b7b4e5 [2020-11-28 07:43:08,510 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:43:08,511 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/sv-benchmarks/c/busybox-1.22.0/head-1.i [2020-11-28 07:43:08,539 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/data/f50e8ef27/1c01e3a9a15c4ead95816aa8dbf709b5/FLAGde8b7b4e5 [2020-11-28 07:43:08,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/data/f50e8ef27/1c01e3a9a15c4ead95816aa8dbf709b5 [2020-11-28 07:43:08,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:43:08,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:43:08,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:43:08,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:43:08,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:43:08,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:43:08" (1/1) ... [2020-11-28 07:43:08,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511c502f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:43:08, skipping insertion in model container [2020-11-28 07:43:08,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:43:08" (1/1) ... [2020-11-28 07:43:08,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:43:08,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:43:09,977 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 07:43:09,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@73cd1bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:43:09, skipping insertion in model container [2020-11-28 07:43:09,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:43:09,979 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:43:09,982 INFO L168 Benchmark]: Toolchain (without parser) took 1334.29 ms. Allocated memory is still 100.7 MB. Free memory was 58.7 MB in the beginning and 64.9 MB in the end (delta: -6.3 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:09,983 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory is still 79.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:43:09,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1329.32 ms. Allocated memory is still 100.7 MB. Free memory was 58.4 MB in the beginning and 64.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:09,987 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 100.7 MB. Free memory is still 79.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1329.32 ms. Allocated memory is still 100.7 MB. Free memory was 58.4 MB in the beginning and 64.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:43:12,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:43:12,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:43:12,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:43:12,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:43:12,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:43:12,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:43:12,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:43:12,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:43:12,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:43:12,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:43:12,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:43:12,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:43:12,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:43:12,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:43:12,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:43:12,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:43:12,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:43:12,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:43:12,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:43:12,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:43:12,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:43:12,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:43:12,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:43:12,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:43:12,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:43:12,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:43:12,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:43:12,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:43:12,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:43:12,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:43:12,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:43:12,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:43:12,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:43:12,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:43:12,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:43:12,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:43:12,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:43:12,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:43:12,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:43:12,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:43:12,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-28 07:43:12,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:43:12,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:43:12,320 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:43:12,320 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:43:12,321 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:43:12,321 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:43:12,321 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:43:12,321 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:43:12,322 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:43:12,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:43:12,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:43:12,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:43:12,324 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:43:12,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:43:12,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:43:12,325 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:43:12,325 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:43:12,325 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:43:12,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:43:12,326 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:43:12,326 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:43:12,326 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:43:12,326 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:43:12,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:43:12,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:43:12,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:43:12,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:43:12,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:43:12,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:43:12,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:43:12,328 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:43:12,328 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:43:12,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:43:12,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:43:12,329 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-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04a182629dc69e7b63e910986b3105def9ef9cf6 [2020-11-28 07:43:12,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:43:12,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:43:12,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:43:12,788 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:43:12,788 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:43:12,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/head-1.i [2020-11-28 07:43:12,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/data/c54240122/b8ae77e6f2e7492ca27865ad05dae88a/FLAG34912295d [2020-11-28 07:43:13,583 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:43:13,585 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/sv-benchmarks/c/busybox-1.22.0/head-1.i [2020-11-28 07:43:13,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/data/c54240122/b8ae77e6f2e7492ca27865ad05dae88a/FLAG34912295d [2020-11-28 07:43:13,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4d1aba04-ce4a-4941-8207-d886275d7a58/bin/utaipan/data/c54240122/b8ae77e6f2e7492ca27865ad05dae88a [2020-11-28 07:43:13,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:43:13,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:43:13,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:43:13,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:43:13,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:43:13,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:43:13" (1/1) ... [2020-11-28 07:43:13,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c9a589f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:43:13, skipping insertion in model container [2020-11-28 07:43:13,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:43:13" (1/1) ... [2020-11-28 07:43:13,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:43:13,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:43:15,046 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 07:43:15,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ff851d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:43:15, skipping insertion in model container [2020-11-28 07:43:15,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:43:15,049 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:43:15,053 INFO L168 Benchmark]: Toolchain (without parser) took 1370.50 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 39.5 MB in the beginning and 63.3 MB in the end (delta: -23.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:15,055 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 62.9 MB. Free memory is still 45.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:43:15,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1364.47 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 39.2 MB in the beginning and 63.6 MB in the end (delta: -24.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:43:15,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 62.9 MB. Free memory is still 45.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1364.47 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 39.2 MB in the beginning and 63.6 MB in the end (delta: -24.5 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: 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...