./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/du-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/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_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/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_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/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 da3e000afbeaa14d431bb4a806fbbc5822844da666db81ab42ec6bbbe3c258a6 --- 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 14:25:38,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:25:38,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:25:38,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:25:38,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:25:38,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:25:38,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:25:38,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:25:38,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:25:38,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:25:38,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:25:38,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:25:38,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:25:38,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:25:38,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:25:38,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:25:38,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:25:38,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:25:38,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:25:38,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:25:38,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:25:38,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:25:38,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:25:38,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:25:38,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:25:38,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:25:38,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:25:38,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:25:38,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:25:38,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:25:38,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:25:38,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:25:38,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:25:38,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:25:38,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:25:38,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:25:38,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:25:38,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:25:38,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:25:38,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:25:38,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:25:38,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 14:25:38,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:25:38,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:25:38,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:25:38,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:25:38,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:25:38,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:25:38,741 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:25:38,741 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:25:38,742 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:25:38,742 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:25:38,742 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:25:38,742 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:25:38,742 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:25:38,743 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:25:38,743 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:25:38,743 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:25:38,743 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:25:38,743 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:25:38,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:25:38,744 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:25:38,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:25:38,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:25:38,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:25:38,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:25:38,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:25:38,745 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:25:38,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:25:38,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:25:38,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:25:38,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:25:38,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:25:38,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:25:38,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:25:38,747 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:25:38,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:25:38,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:25:38,748 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:25:38,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:25:38,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:25:38,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:25:38,748 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_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da3e000afbeaa14d431bb4a806fbbc5822844da666db81ab42ec6bbbe3c258a6 [2022-12-14 14:25:38,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:25:38,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:25:38,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:25:38,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:25:38,959 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:25:38,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/du-2.i [2022-12-14 14:25:41,463 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:25:41,823 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:25:41,823 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/sv-benchmarks/c/busybox-1.22.0/du-2.i [2022-12-14 14:25:41,847 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/data/e9dc12b81/348aff4c692d41fb8511a5d6b16f7207/FLAG771b4d3ce [2022-12-14 14:25:41,857 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/data/e9dc12b81/348aff4c692d41fb8511a5d6b16f7207 [2022-12-14 14:25:41,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:25:41,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:25:41,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:25:41,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:25:41,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:25:41,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:25:41" (1/1) ... [2022-12-14 14:25:41,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e475e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:41, skipping insertion in model container [2022-12-14 14:25:41,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:25:41" (1/1) ... [2022-12-14 14:25:41,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:25:41,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:25:43,098 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:25:43,099 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:25:43,101 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 14:25:43,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2748b657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:43, skipping insertion in model container [2022-12-14 14:25:43,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:25:43,101 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 14:25:43,102 INFO L158 Benchmark]: Toolchain (without parser) took 1241.69ms. Allocated memory is still 136.3MB. Free memory was 94.3MB in the beginning and 62.5MB in the end (delta: 31.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 14:25:43,103 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:25:43,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1240.12ms. Allocated memory is still 136.3MB. Free memory was 93.9MB in the beginning and 62.5MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 14:25:43,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1240.12ms. Allocated memory is still 136.3MB. Free memory was 93.9MB in the beginning and 62.5MB in the end (delta: 31.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * 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... --- 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/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_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/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_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/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 da3e000afbeaa14d431bb4a806fbbc5822844da666db81ab42ec6bbbe3c258a6 --- 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 14:25:44,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:25:44,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:25:44,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:25:44,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:25:44,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:25:44,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:25:44,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:25:44,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:25:44,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:25:44,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:25:44,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:25:44,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:25:44,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:25:44,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:25:44,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:25:44,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:25:44,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:25:44,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:25:44,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:25:44,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:25:44,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:25:44,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:25:44,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:25:44,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:25:44,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:25:44,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:25:44,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:25:44,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:25:44,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:25:44,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:25:44,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:25:44,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:25:44,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:25:44,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:25:44,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:25:44,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:25:44,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:25:44,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:25:44,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:25:44,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:25:44,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 14:25:44,485 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:25:44,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:25:44,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:25:44,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:25:44,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:25:44,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:25:44,487 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:25:44,487 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:25:44,487 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:25:44,487 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:25:44,488 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:25:44,488 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:25:44,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:25:44,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 14:25:44,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:25:44,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:25:44,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:25:44,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:25:44,489 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:25:44,490 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 14:25:44,490 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 14:25:44,490 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 14:25:44,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:25:44,490 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:25:44,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:25:44,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:25:44,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 14:25:44,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:25:44,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:25:44,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:25:44,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:25:44,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:25:44,492 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 14:25:44,492 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 14:25:44,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:25:44,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:25:44,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 14:25:44,493 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_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da3e000afbeaa14d431bb4a806fbbc5822844da666db81ab42ec6bbbe3c258a6 [2022-12-14 14:25:44,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:25:44,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:25:44,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:25:44,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:25:44,768 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:25:44,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/du-2.i [2022-12-14 14:25:47,377 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:25:47,695 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:25:47,695 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/sv-benchmarks/c/busybox-1.22.0/du-2.i [2022-12-14 14:25:47,713 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/data/9d33a5f38/5dd182f3301248e2bfed7d61fef477c4/FLAG1f7dbe83a [2022-12-14 14:25:47,724 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a60628-e55b-4363-8bf1-6fa0cdad2ac6/bin/utaipan-gh47qXpMRh/data/9d33a5f38/5dd182f3301248e2bfed7d61fef477c4 [2022-12-14 14:25:47,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:25:47,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:25:47,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:25:47,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:25:47,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:25:47,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:25:47" (1/1) ... [2022-12-14 14:25:47,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5ecec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:47, skipping insertion in model container [2022-12-14 14:25:47,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:25:47" (1/1) ... [2022-12-14 14:25:47,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:25:47,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:25:48,636 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:25:48,638 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 14:25:48,639 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 14:25:48,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fc0cab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:25:48, skipping insertion in model container [2022-12-14 14:25:48,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:25:48,640 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 14:25:48,641 INFO L158 Benchmark]: Toolchain (without parser) took 914.25ms. Allocated memory is still 58.7MB. Free memory was 31.7MB in the beginning and 32.0MB in the end (delta: -271.2kB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-12-14 14:25:48,642 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:25:48,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 912.79ms. Allocated memory is still 58.7MB. Free memory was 31.5MB in the beginning and 32.0MB in the end (delta: -423.5kB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-12-14 14:25:48,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 26.9MB in the beginning and 26.8MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 912.79ms. Allocated memory is still 58.7MB. Free memory was 31.5MB in the beginning and 32.0MB in the end (delta: -423.5kB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN