./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73ddda065abbbb7a8935bad18f49b1d17524338cb957fc8706a0a92f880d4109 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:09:53,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:09:53,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:09:53,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:09:53,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:09:53,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:09:53,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:09:53,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:09:53,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:09:53,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:09:53,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:09:53,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:09:53,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:09:53,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:09:53,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:09:53,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:09:53,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:09:53,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:09:53,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:09:53,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:09:53,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:09:53,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:09:53,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:09:53,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:09:53,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:09:53,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:09:53,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:09:53,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:09:53,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:09:53,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:09:53,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:09:53,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:09:53,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:09:53,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:09:53,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:09:53,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:09:53,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:09:53,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:09:53,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:09:53,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:09:53,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:09:53,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 01:09:53,795 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:09:53,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:09:53,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:09:53,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:09:53,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:09:53,798 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:09:53,798 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:09:53,799 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:09:53,799 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:09:53,800 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:09:53,800 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:09:53,800 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:09:53,801 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:09:53,801 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:09:53,802 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:09:53,802 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:09:53,802 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:09:53,803 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:09:53,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:09:53,804 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:09:53,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:09:53,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:09:53,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:09:53,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:09:53,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:09:53,806 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:09:53,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:09:53,807 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:09:53,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:09:53,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:09:53,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:09:53,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:09:53,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:09:53,810 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:09:53,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:09:53,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:09:53,811 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:09:53,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:09:53,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:09:53,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:09:53,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73ddda065abbbb7a8935bad18f49b1d17524338cb957fc8706a0a92f880d4109 [2022-11-26 01:09:54,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:09:54,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:09:54,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:09:54,119 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:09:54,120 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:09:54,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2022-11-26 01:09:57,605 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:09:58,141 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:09:58,142 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2022-11-26 01:09:58,194 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/data/e22166110/44930298ac3f4ccca20a9e0285312327/FLAGadcdf443c [2022-11-26 01:09:58,225 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/data/e22166110/44930298ac3f4ccca20a9e0285312327 [2022-11-26 01:09:58,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:09:58,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:09:58,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:09:58,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:09:58,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:09:58,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:09:58" (1/1) ... [2022-11-26 01:09:58,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad5879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:58, skipping insertion in model container [2022-11-26 01:09:58,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:09:58" (1/1) ... [2022-11-26 01:09:58,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:09:58,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:09:59,845 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:09:59,848 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 01:09:59,853 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 01:09:59,880 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 01:09:59,890 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 01:09:59,893 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 01:09:59,897 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 [2022-11-26 01:09:59,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@795156cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:09:59, skipping insertion in model container [2022-11-26 01:09:59,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:09:59,901 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:09:59,903 INFO L158 Benchmark]: Toolchain (without parser) took 1671.13ms. Allocated memory is still 199.2MB. Free memory was 152.8MB in the beginning and 125.5MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 01:09:59,904 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 151.0MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:09:59,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1664.80ms. Allocated memory is still 199.2MB. Free memory was 152.8MB in the beginning and 125.5MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 01:09:59,907 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 151.0MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1664.80ms. Allocated memory is still 199.2MB. Free memory was 152.8MB in the beginning and 125.5MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73ddda065abbbb7a8935bad18f49b1d17524338cb957fc8706a0a92f880d4109 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:10:02,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:10:02,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:10:02,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:10:02,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:10:02,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:10:02,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:10:02,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:10:02,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:10:02,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:10:02,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:10:02,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:10:02,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:10:02,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:10:02,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:10:02,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:10:02,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:10:02,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:10:02,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:10:02,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:10:02,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:10:02,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:10:02,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:10:02,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:10:02,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:10:02,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:10:02,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:10:02,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:10:02,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:10:02,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:10:02,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:10:02,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:10:02,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:10:02,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:10:02,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:10:02,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:10:02,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:10:02,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:10:02,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:10:02,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:10:02,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:10:02,916 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 01:10:02,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:10:02,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:10:02,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:10:02,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:10:02,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:10:02,971 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:10:02,971 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:10:02,972 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:10:02,972 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:10:02,972 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:10:02,974 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:10:02,974 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:10:02,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:10:02,976 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:10:02,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:10:02,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:10:02,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:10:02,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:10:02,977 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:10:02,978 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:10:02,978 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:10:02,978 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:10:02,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:10:02,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:10:02,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:10:02,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:10:02,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:10:02,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:10:02,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:10:02,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:10:02,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:10:02,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:10:02,983 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:10:02,983 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:10:02,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:10:02,984 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:10:02,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:10:02,984 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73ddda065abbbb7a8935bad18f49b1d17524338cb957fc8706a0a92f880d4109 [2022-11-26 01:10:03,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:10:03,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:10:03,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:10:03,522 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:10:03,523 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:10:03,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2022-11-26 01:10:07,278 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:10:07,937 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:10:07,938 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2022-11-26 01:10:07,968 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/data/129499c3a/ff72a2b8b89a456fab0e8b807bdf33c6/FLAG971ae0013 [2022-11-26 01:10:07,992 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cad4af3-4f19-41f6-a4ec-5e85091f57ef/bin/utaipan-ByfvJB40ur/data/129499c3a/ff72a2b8b89a456fab0e8b807bdf33c6 [2022-11-26 01:10:07,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:10:07,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:10:07,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:10:07,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:10:08,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:10:08,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:10:07" (1/1) ... [2022-11-26 01:10:08,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b206980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:10:08, skipping insertion in model container [2022-11-26 01:10:08,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:10:07" (1/1) ... [2022-11-26 01:10:08,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:10:08,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:10:09,593 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:10:09,595 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 01:10:09,598 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 01:10:09,610 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 01:10:09,613 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 01:10:09,615 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 01:10:09,618 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 [2022-11-26 01:10:09,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f057b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:10:09, skipping insertion in model container [2022-11-26 01:10:09,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:10:09,619 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:10:09,622 INFO L158 Benchmark]: Toolchain (without parser) took 1623.39ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 44.3MB in the beginning and 49.0MB in the end (delta: -4.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-11-26 01:10:09,623 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory was 48.5MB in the beginning and 48.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:10:09,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1620.50ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 44.1MB in the beginning and 49.0MB in the end (delta: -4.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-11-26 01:10:09,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory was 48.5MB in the beginning and 48.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1620.50ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 44.1MB in the beginning and 49.0MB in the end (delta: -4.8MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN