./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh --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 8cb2d2b3d33ac46922dd9ed48f365295f34240e5655283ca6c18d9e6487aa5ac --- 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-2329fc7 [2022-12-14 10:19:07,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:19:07,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:19:07,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:19:07,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:19:07,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:19:07,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:19:07,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:19:07,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:19:07,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:19:07,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:19:07,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:19:07,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:19:07,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:19:07,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:19:07,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:19:07,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:19:07,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:19:07,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:19:07,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:19:07,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:19:07,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:19:07,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:19:07,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:19:07,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:19:07,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:19:07,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:19:07,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:19:07,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:19:07,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:19:07,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:19:07,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:19:07,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:19:07,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:19:07,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:19:07,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:19:07,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:19:07,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:19:07,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:19:07,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:19:07,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:19:07,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 10:19:07,854 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:19:07,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:19:07,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:19:07,854 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:19:07,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:19:07,855 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:19:07,855 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:19:07,856 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:19:07,856 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:19:07,856 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:19:07,856 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:19:07,856 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:19:07,856 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:19:07,856 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:19:07,857 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:19:07,857 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:19:07,857 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:19:07,857 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:19:07,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:19:07,858 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:19:07,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:19:07,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:19:07,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:19:07,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:19:07,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:19:07,859 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 10:19:07,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:19:07,859 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:19:07,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:19:07,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:19:07,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:19:07,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:19:07,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:19:07,860 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:19:07,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:19:07,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:19:07,860 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:19:07,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:19:07,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:19:07,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:19:07,861 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_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cb2d2b3d33ac46922dd9ed48f365295f34240e5655283ca6c18d9e6487aa5ac [2022-12-14 10:19:08,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:19:08,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:19:08,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:19:08,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:19:08,098 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:19:08,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/rm-2.i [2022-12-14 10:19:10,649 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:19:10,894 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:19:10,894 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/sv-benchmarks/c/busybox-1.22.0/rm-2.i [2022-12-14 10:19:10,926 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/data/aa1c11292/fa521691b41647d892f76ac85937ad2d/FLAG03209acab [2022-12-14 10:19:11,199 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/data/aa1c11292/fa521691b41647d892f76ac85937ad2d [2022-12-14 10:19:11,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:19:11,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:19:11,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:19:11,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:19:11,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:19:11,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:19:11" (1/1) ... [2022-12-14 10:19:11,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3955e6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:11, skipping insertion in model container [2022-12-14 10:19:11,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:19:11" (1/1) ... [2022-12-14 10:19:11,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:19:11,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:19:12,118 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 10:19:12,124 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 10:19:12,125 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 10:19:12,126 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 10:19:12,133 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 10:19:12,136 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-12-14 10:19:12,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7bac50bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:12, skipping insertion in model container [2022-12-14 10:19:12,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:19:12,137 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 10:19:12,138 INFO L158 Benchmark]: Toolchain (without parser) took 935.82ms. Allocated memory is still 155.2MB. Free memory was 125.7MB in the beginning and 93.1MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-14 10:19:12,139 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:19:12,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 934.05ms. Allocated memory is still 155.2MB. Free memory was 125.7MB in the beginning and 93.1MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-14 10:19:12,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 934.05ms. Allocated memory is still 155.2MB. Free memory was 125.7MB in the beginning and 93.1MB in the end (delta: 32.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh --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 8cb2d2b3d33ac46922dd9ed48f365295f34240e5655283ca6c18d9e6487aa5ac --- 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-2329fc7 [2022-12-14 10:19:13,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:19:13,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:19:13,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:19:13,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:19:13,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:19:13,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:19:13,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:19:13,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:19:13,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:19:13,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:19:13,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:19:13,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:19:13,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:19:13,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:19:13,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:19:13,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:19:13,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:19:13,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:19:13,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:19:13,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:19:13,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:19:13,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:19:13,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:19:13,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:19:13,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:19:13,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:19:13,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:19:13,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:19:13,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:19:13,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:19:13,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:19:13,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:19:13,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:19:13,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:19:13,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:19:13,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:19:13,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:19:13,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:19:13,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:19:13,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:19:13,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 10:19:13,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:19:13,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:19:13,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:19:13,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:19:13,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:19:13,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:19:13,541 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:19:13,541 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:19:13,542 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:19:13,542 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:19:13,542 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:19:13,542 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:19:13,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:19:13,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 10:19:13,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:19:13,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:19:13,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:19:13,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:19:13,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 10:19:13,544 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 10:19:13,544 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 10:19:13,544 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 10:19:13,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:19:13,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:19:13,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:19:13,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:19:13,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 10:19:13,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:19:13,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:19:13,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:19:13,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:19:13,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:19:13,547 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 10:19:13,547 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 10:19:13,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:19:13,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:19:13,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 10:19:13,547 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_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cb2d2b3d33ac46922dd9ed48f365295f34240e5655283ca6c18d9e6487aa5ac [2022-12-14 10:19:13,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:19:13,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:19:13,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:19:13,845 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:19:13,845 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:19:13,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/rm-2.i [2022-12-14 10:19:16,420 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:19:16,728 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:19:16,728 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/sv-benchmarks/c/busybox-1.22.0/rm-2.i [2022-12-14 10:19:16,746 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/data/9d93112b2/35fa31fd162e4c599c4d05b0d915e860/FLAG62229cda5 [2022-12-14 10:19:16,759 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ab4234-b94d-4a25-a1fb-8166a1611209/bin/utaipan-gh47qXpMRh/data/9d93112b2/35fa31fd162e4c599c4d05b0d915e860 [2022-12-14 10:19:16,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:19:16,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:19:16,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:19:16,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:19:16,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:19:16,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:19:16" (1/1) ... [2022-12-14 10:19:16,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af84455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:16, skipping insertion in model container [2022-12-14 10:19:16,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:19:16" (1/1) ... [2022-12-14 10:19:16,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:19:16,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:19:17,724 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 10:19:17,732 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 10:19:17,733 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 10:19:17,735 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 10:19:17,744 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 10:19:17,748 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-12-14 10:19:17,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43a70188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:19:17, skipping insertion in model container [2022-12-14 10:19:17,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:19:17,749 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 10:19:17,751 INFO L158 Benchmark]: Toolchain (without parser) took 987.83ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 30.3MB in the beginning and 53.1MB in the end (delta: -22.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-12-14 10:19:17,752 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 10:19:17,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 986.17ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 30.1MB in the beginning and 53.1MB in the end (delta: -23.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-12-14 10:19:17,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 986.17ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 30.1MB in the beginning and 53.1MB in the end (delta: -23.0MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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