./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/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 334450e9aa5addf509e3899167897d84dd173425 ........................................................................................................................................ 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_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/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 334450e9aa5addf509e3899167897d84dd173425 ..................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:30:31,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:30:31,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:30:31,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:30:31,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:30:31,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:30:31,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:30:31,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:30:31,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:30:31,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:30:31,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:30:31,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:30:31,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:30:31,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:30:31,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:30:31,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:30:31,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:30:31,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:30:31,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:30:31,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:30:31,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:30:31,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:30:31,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:30:31,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:30:31,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:30:31,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:30:31,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:30:31,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:30:31,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:30:31,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:30:31,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:30:31,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:30:31,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:30:31,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:30:31,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:30:31,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:30:31,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:30:31,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:30:31,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:30:31,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:30:31,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:30:31,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-09 19:30:31,713 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:30:31,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:30:31,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:30:31,714 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:30:31,715 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:30:31,715 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:30:31,715 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 19:30:31,715 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:30:31,715 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:30:31,715 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 19:30:31,715 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 19:30:31,715 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:30:31,716 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 19:30:31,716 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 19:30:31,716 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 19:30:31,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 19:30:31,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 19:30:31,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:30:31,717 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 19:30:31,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:30:31,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:30:31,717 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 19:30:31,717 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 19:30:31,717 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 19:30:31,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:30:31,717 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:30:31,718 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:30:31,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:30:31,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:30:31,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:30:31,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:30:31,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:30:31,718 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 19:30:31,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 19:30:31,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:30:31,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:30:31,719 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_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 334450e9aa5addf509e3899167897d84dd173425 [2020-12-09 19:30:31,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:30:31,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:30:31,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:30:31,933 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:30:31,933 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:30:31,934 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2020-12-09 19:30:31,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/data/2bd49d18d/69d66e8fc9d04a6dacf1c94628fd1ec2/FLAG65a9d1c3c [2020-12-09 19:30:32,506 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:30:32,507 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2020-12-09 19:30:32,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/data/2bd49d18d/69d66e8fc9d04a6dacf1c94628fd1ec2/FLAG65a9d1c3c [2020-12-09 19:30:33,012 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/data/2bd49d18d/69d66e8fc9d04a6dacf1c94628fd1ec2 [2020-12-09 19:30:33,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:30:33,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:30:33,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:30:33,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:30:33,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:30:33,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:33" (1/1) ... [2020-12-09 19:30:33,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ee9795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:33, skipping insertion in model container [2020-12-09 19:30:33,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:33" (1/1) ... [2020-12-09 19:30:33,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:30:33,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:30:33,840 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-12-09 19:30:33,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77d30f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:33, skipping insertion in model container [2020-12-09 19:30:33,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:30:33,841 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 19:30:33,842 INFO L168 Benchmark]: Toolchain (without parser) took 825.33 ms. Allocated memory is still 109.1 MB. Free memory was 66.7 MB in the beginning and 70.5 MB in the end (delta: -3.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-12-09 19:30:33,843 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 109.1 MB. Free memory is still 88.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:30:33,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.69 ms. Allocated memory is still 109.1 MB. Free memory was 66.6 MB in the beginning and 70.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-12-09 19:30:33,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 109.1 MB. Free memory is still 88.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 822.69 ms. Allocated memory is still 109.1 MB. Free memory was 66.6 MB in the beginning and 70.5 MB in the end (delta: -4.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 19:30:35,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:30:35,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:30:35,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:30:35,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:30:35,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:30:35,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:30:35,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:30:35,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:30:35,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:30:35,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:30:35,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:30:35,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:30:35,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:30:35,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:30:35,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:30:35,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:30:35,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:30:35,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:30:35,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:30:35,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:30:35,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:30:35,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:30:35,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:30:35,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:30:35,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:30:35,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:30:35,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:30:35,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:30:35,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:30:35,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:30:35,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:30:35,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:30:35,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:30:35,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:30:35,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:30:35,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:30:35,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:30:35,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:30:35,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:30:35,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:30:35,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-09 19:30:35,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:30:35,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:30:35,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:30:35,273 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:30:35,273 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:30:35,273 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:30:35,273 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:30:35,273 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:30:35,273 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:30:35,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 19:30:35,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 19:30:35,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:30:35,274 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 19:30:35,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:30:35,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:30:35,275 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 19:30:35,275 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 19:30:35,275 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 19:30:35,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:30:35,275 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:30:35,275 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 19:30:35,276 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 19:30:35,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:30:35,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:30:35,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 19:30:35,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:30:35,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:30:35,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:30:35,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:30:35,277 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 19:30:35,277 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 19:30:35,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:30:35,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:30:35,277 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_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 334450e9aa5addf509e3899167897d84dd173425 [2020-12-09 19:30:35,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:30:35,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:30:35,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:30:35,527 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:30:35,528 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:30:35,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2020-12-09 19:30:35,574 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/data/2ed23b1bc/b51227f830db434b954a86d4108c6a4e/FLAG732096ebb [2020-12-09 19:30:36,139 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:30:36,140 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2020-12-09 19:30:36,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/data/2ed23b1bc/b51227f830db434b954a86d4108c6a4e/FLAG732096ebb [2020-12-09 19:30:36,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b24c360-e9b2-4ff4-bbde-c7e2f7283172/bin/utaipan/data/2ed23b1bc/b51227f830db434b954a86d4108c6a4e [2020-12-09 19:30:36,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:30:36,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:30:36,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:30:36,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:30:36,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:30:36,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:36" (1/1) ... [2020-12-09 19:30:36,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2b4b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:36, skipping insertion in model container [2020-12-09 19:30:36,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:30:36" (1/1) ... [2020-12-09 19:30:36,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:30:36,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:30:37,385 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-12-09 19:30:37,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26179f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:30:37, skipping insertion in model container [2020-12-09 19:30:37,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:30:37,386 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 19:30:37,388 INFO L168 Benchmark]: Toolchain (without parser) took 826.45 ms. Allocated memory was 52.4 MB in the beginning and 94.4 MB in the end (delta: 41.9 MB). Free memory was 35.3 MB in the beginning and 63.5 MB in the end (delta: -28.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:30:37,389 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 35.1 MB in the beginning and 35.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:30:37,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.94 ms. Allocated memory was 52.4 MB in the beginning and 94.4 MB in the end (delta: 41.9 MB). Free memory was 35.0 MB in the beginning and 63.5 MB in the end (delta: -28.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:30:37,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 35.1 MB in the beginning and 35.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 823.94 ms. Allocated memory was 52.4 MB in the beginning and 94.4 MB in the end (delta: 41.9 MB). Free memory was 35.0 MB in the beginning and 63.5 MB in the end (delta: -28.5 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * 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...