./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/du-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_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/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 498df7d11853e6c7f3918441ca131dd12e283265 ........................................................................................................................................ 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_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/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 498df7d11853e6c7f3918441ca131dd12e283265 ..................................................................................................................................... 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 19:17:44,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:17:44,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:17:44,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:17:44,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:17:44,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:17:44,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:17:44,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:17:44,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:17:44,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:17:44,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:17:44,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:17:44,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:17:44,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:17:44,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:17:44,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:17:44,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:17:44,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:17:44,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:17:44,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:17:44,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:17:44,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:17:44,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:17:44,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:17:44,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:17:44,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:17:44,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:17:44,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:17:44,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:17:44,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:17:44,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:17:44,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:17:44,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:17:44,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:17:44,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:17:44,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:17:44,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:17:44,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:17:44,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:17:44,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:17:44,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:17:44,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-09 19:17:44,867 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:17:44,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:17:44,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:17:44,868 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:17:44,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:17:44,868 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:17:44,868 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 19:17:44,869 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:17:44,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:17:44,869 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 19:17:44,869 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 19:17:44,869 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:17:44,870 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 19:17:44,870 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 19:17:44,870 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 19:17:44,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 19:17:44,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 19:17:44,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:17:44,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 19:17:44,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:17:44,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:17:44,872 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 19:17:44,872 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 19:17:44,872 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 19:17:44,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:17:44,873 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:17:44,873 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:17:44,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:17:44,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:17:44,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:17:44,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:17:44,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:17:44,874 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 19:17:44,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 19:17:44,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:17:44,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:17:44,875 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_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 498df7d11853e6c7f3918441ca131dd12e283265 [2020-12-09 19:17:45,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:17:45,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:17:45,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:17:45,082 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:17:45,082 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:17:45,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/du-1.i [2020-12-09 19:17:45,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/data/792c30917/205d2c2bf0434704802265985e1a9855/FLAG45598e82f [2020-12-09 19:17:45,683 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:17:45,683 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/sv-benchmarks/c/busybox-1.22.0/du-1.i [2020-12-09 19:17:45,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/data/792c30917/205d2c2bf0434704802265985e1a9855/FLAG45598e82f [2020-12-09 19:17:46,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/data/792c30917/205d2c2bf0434704802265985e1a9855 [2020-12-09 19:17:46,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:17:46,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:17:46,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:17:46,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:17:46,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:17:46,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:17:46" (1/1) ... [2020-12-09 19:17:46,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30773244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:17:46, skipping insertion in model container [2020-12-09 19:17:46,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:17:46" (1/1) ... [2020-12-09 19:17:46,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:17:46,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:17:47,199 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 19:17:47,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@231efcf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:17:47, skipping insertion in model container [2020-12-09 19:17:47,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:17:47,200 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 19:17:47,202 INFO L168 Benchmark]: Toolchain (without parser) took 1038.06 ms. Allocated memory was 86.0 MB in the beginning and 121.6 MB in the end (delta: 35.7 MB). Free memory was 48.2 MB in the beginning and 79.3 MB in the end (delta: -31.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:17:47,203 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 86.0 MB. Free memory was 43.8 MB in the beginning and 43.7 MB in the end (delta: 54.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:17:47,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1036.09 ms. Allocated memory was 86.0 MB in the beginning and 121.6 MB in the end (delta: 35.7 MB). Free memory was 48.0 MB in the beginning and 79.3 MB in the end (delta: -31.3 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2020-12-09 19:17:47,205 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 86.0 MB. Free memory was 43.8 MB in the beginning and 43.7 MB in the end (delta: 54.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1036.09 ms. Allocated memory was 86.0 MB in the beginning and 121.6 MB in the end (delta: 35.7 MB). Free memory was 48.0 MB in the beginning and 79.3 MB in the end (delta: -31.3 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: 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 19:17:48,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 19:17:48,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 19:17:48,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 19:17:48,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 19:17:48,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 19:17:48,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 19:17:48,534 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 19:17:48,536 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 19:17:48,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 19:17:48,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 19:17:48,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 19:17:48,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 19:17:48,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 19:17:48,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 19:17:48,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 19:17:48,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 19:17:48,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 19:17:48,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 19:17:48,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 19:17:48,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 19:17:48,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 19:17:48,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 19:17:48,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 19:17:48,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 19:17:48,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 19:17:48,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 19:17:48,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 19:17:48,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 19:17:48,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 19:17:48,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 19:17:48,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 19:17:48,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 19:17:48,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 19:17:48,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 19:17:48,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 19:17:48,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 19:17:48,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 19:17:48,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 19:17:48,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 19:17:48,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 19:17:48,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-09 19:17:48,597 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 19:17:48,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 19:17:48,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 19:17:48,598 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 19:17:48,599 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 19:17:48,599 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 19:17:48,599 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 19:17:48,599 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 19:17:48,599 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 19:17:48,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 19:17:48,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 19:17:48,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 19:17:48,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 19:17:48,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 19:17:48,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 19:17:48,601 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 19:17:48,601 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 19:17:48,602 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 19:17:48,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 19:17:48,602 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 19:17:48,602 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 19:17:48,602 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 19:17:48,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 19:17:48,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 19:17:48,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 19:17:48,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 19:17:48,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 19:17:48,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 19:17:48,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 19:17:48,604 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 19:17:48,604 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 19:17:48,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 19:17:48,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 19:17:48,604 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_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 498df7d11853e6c7f3918441ca131dd12e283265 [2020-12-09 19:17:48,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 19:17:48,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 19:17:48,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 19:17:48,865 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 19:17:48,866 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 19:17:48,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/du-1.i [2020-12-09 19:17:48,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/data/9e50606a6/d30ffd3586714fb78fc26d5540e983cd/FLAG38e199716 [2020-12-09 19:17:49,455 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 19:17:49,455 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/sv-benchmarks/c/busybox-1.22.0/du-1.i [2020-12-09 19:17:49,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/data/9e50606a6/d30ffd3586714fb78fc26d5540e983cd/FLAG38e199716 [2020-12-09 19:17:49,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4f8275cd-2852-43ba-a93e-0e4e2f742bf9/bin/utaipan/data/9e50606a6/d30ffd3586714fb78fc26d5540e983cd [2020-12-09 19:17:49,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 19:17:49,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 19:17:49,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 19:17:49,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 19:17:49,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 19:17:49,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:17:49" (1/1) ... [2020-12-09 19:17:49,951 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 07:17:49, skipping insertion in model container [2020-12-09 19:17:49,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:17:49" (1/1) ... [2020-12-09 19:17:49,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 19:17:50,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 19:17:51,023 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 19:17:51,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e8ab52d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:17:51, skipping insertion in model container [2020-12-09 19:17:51,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 19:17:51,024 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 19:17:51,026 INFO L168 Benchmark]: Toolchain (without parser) took 1079.21 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.7 MB in the beginning and 32.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:17:51,026 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 48.2 MB. Free memory is still 30.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 19:17:51,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1077.45 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.5 MB in the beginning and 32.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-09 19:17:51,028 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 48.2 MB. Free memory is still 30.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1077.45 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 27.5 MB in the beginning and 32.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: 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...