./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/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 60e87bbb338de49f951bcda640064e8dc1c76515 .................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/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 60e87bbb338de49f951bcda640064e8dc1c76515 ................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:25:49,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:25:49,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:25:49,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:25:49,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:25:49,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:25:49,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:25:49,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:25:49,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:25:49,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:25:49,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:25:49,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:25:49,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:25:49,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:25:49,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:25:49,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:25:49,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:25:49,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:25:49,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:25:49,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:25:49,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:25:49,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:25:49,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:25:49,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:25:49,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:25:49,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:25:49,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:25:49,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:25:49,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:25:49,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:25:49,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:25:49,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:25:49,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:25:49,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:25:49,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:25:49,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:25:49,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:25:49,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:25:49,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:25:49,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:25:49,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:25:49,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2019-12-07 20:25:49,501 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:25:49,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:25:49,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:25:49,502 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:25:49,502 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:25:49,502 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:25:49,502 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:25:49,503 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:25:49,503 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:25:49,503 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:25:49,503 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:25:49,503 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:25:49,504 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:25:49,504 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:25:49,504 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:25:49,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 20:25:49,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 20:25:49,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:25:49,505 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 20:25:49,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:25:49,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:25:49,505 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 20:25:49,506 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 20:25:49,506 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 20:25:49,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:25:49,506 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:25:49,506 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:25:49,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:25:49,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:25:49,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:25:49,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:25:49,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:25:49,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:25:49,507 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:25:49,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:25:49,508 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:25:49,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:25:49,508 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f30a55f1-648b-4ddb-a780-41e65df10593/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 -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-12-07 20:25:49,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:25:49,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:25:49,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:25:49,626 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:25:49,626 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:25:49,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-12-07 20:25:49,674 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/data/8436a9c0c/5f4d11fae83f44cb924550565a7ef27c/FLAGcc7e02267 [2019-12-07 20:25:50,196 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:25:50,197 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-12-07 20:25:50,213 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/data/8436a9c0c/5f4d11fae83f44cb924550565a7ef27c/FLAGcc7e02267 [2019-12-07 20:25:50,697 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/data/8436a9c0c/5f4d11fae83f44cb924550565a7ef27c [2019-12-07 20:25:50,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:25:50,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:25:50,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:25:50,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:25:50,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:25:50,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:25:50" (1/1) ... [2019-12-07 20:25:50,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5046e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:25:50, skipping insertion in model container [2019-12-07 20:25:50,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:25:50" (1/1) ... [2019-12-07 20:25:50,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:25:50,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:25:51,457 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2019-12-07 20:25:51,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a28ffb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:25:51, skipping insertion in model container [2019-12-07 20:25:51,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:25:51,458 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:25:51,460 INFO L168 Benchmark]: Toolchain (without parser) took 758.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 931.3 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:25:51,460 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:25:51,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 931.3 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:25:51,462 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 757.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 931.3 MB in the beginning and 1.1 GB in the end (delta: -152.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:25:52,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:25:52,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:25:52,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:25:52,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:25:52,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:25:52,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:25:52,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:25:52,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:25:52,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:25:52,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:25:52,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:25:52,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:25:52,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:25:52,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:25:52,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:25:52,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:25:52,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:25:52,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:25:52,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:25:52,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:25:52,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:25:52,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:25:52,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:25:52,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:25:52,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:25:52,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:25:52,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:25:52,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:25:52,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:25:52,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:25:52,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:25:52,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:25:52,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:25:52,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:25:52,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:25:52,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:25:52,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:25:52,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:25:52,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:25:52,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:25:52,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2019-12-07 20:25:52,634 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:25:52,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:25:52,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:25:52,635 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:25:52,635 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:25:52,636 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:25:52,636 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:25:52,636 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:25:52,636 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:25:52,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 20:25:52,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 20:25:52,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:25:52,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 20:25:52,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:25:52,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:25:52,637 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 20:25:52,637 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 20:25:52,637 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 20:25:52,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:25:52,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:25:52,638 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:25:52,638 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:25:52,638 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:25:52,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:25:52,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:25:52,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:25:52,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:25:52,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:25:52,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:25:52,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:25:52,639 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:25:52,639 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:25:52,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:25:52,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:25:52,640 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f30a55f1-648b-4ddb-a780-41e65df10593/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 -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-12-07 20:25:52,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:25:52,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:25:52,833 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:25:52,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:25:52,835 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:25:52,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-12-07 20:25:52,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/data/cbfb57142/2c6e50a3229f4b2fa268ff6da2228257/FLAG6afd21fd4 [2019-12-07 20:25:53,446 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:25:53,447 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-12-07 20:25:53,464 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/data/cbfb57142/2c6e50a3229f4b2fa268ff6da2228257/FLAG6afd21fd4 [2019-12-07 20:25:53,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f30a55f1-648b-4ddb-a780-41e65df10593/bin/utaipan/data/cbfb57142/2c6e50a3229f4b2fa268ff6da2228257 [2019-12-07 20:25:53,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:25:53,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:25:53,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:25:53,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:25:53,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:25:53,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:25:53" (1/1) ... [2019-12-07 20:25:53,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed3aaca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:25:53, skipping insertion in model container [2019-12-07 20:25:53,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:25:53" (1/1) ... [2019-12-07 20:25:53,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:25:53,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:25:54,552 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2019-12-07 20:25:54,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71f517ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:25:54, skipping insertion in model container [2019-12-07 20:25:54,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:25:54,554 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:25:54,556 INFO L168 Benchmark]: Toolchain (without parser) took 875.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -127.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:25:54,556 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:25:54,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -127.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:25:54,559 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 870.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -127.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...