./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a --- 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-4e7fbc6 [2022-11-23 14:23:05,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:23:05,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:23:05,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:23:05,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:23:05,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:23:05,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:23:05,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:23:05,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:23:05,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:23:05,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:23:05,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:23:05,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:23:05,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:23:05,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:23:05,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:23:05,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:23:05,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:23:05,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:23:05,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:23:05,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:23:05,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:23:05,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:23:05,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:23:05,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:23:05,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:23:05,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:23:05,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:23:05,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:23:05,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:23:05,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:23:05,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:23:05,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:23:05,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:23:05,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:23:05,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:23:05,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:23:05,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:23:05,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:23:05,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:23:05,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:23:05,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:23:05,872 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:23:05,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:23:05,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:23:05,873 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:23:05,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:23:05,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:23:05,877 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:23:05,877 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:23:05,878 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:23:05,878 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:23:05,879 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:23:05,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:23:05,879 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:23:05,880 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:23:05,880 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:23:05,880 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:23:05,880 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:23:05,880 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:23:05,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:23:05,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:23:05,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:23:05,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:23:05,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:23:05,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:23:05,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:23:05,883 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:23:05,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:23:05,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:23:05,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:23:05,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:23:05,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:23:05,885 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:23:05,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:23:05,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:23:05,885 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:23:05,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:23:05,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:23:05,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:23:05,886 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_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a [2022-11-23 14:23:06,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:23:06,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:23:06,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:23:06,200 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:23:06,202 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:23:06,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-23 14:23:09,526 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:23:10,269 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:23:10,270 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-23 14:23:10,317 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/data/10f0b9125/96a952727c66465e818223265b9ff07b/FLAGa5a130453 [2022-11-23 14:23:10,353 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/data/10f0b9125/96a952727c66465e818223265b9ff07b [2022-11-23 14:23:10,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:23:10,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:23:10,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:23:10,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:23:10,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:23:10,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:23:10" (1/1) ... [2022-11-23 14:23:10,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea2e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:10, skipping insertion in model container [2022-11-23 14:23:10,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:23:10" (1/1) ... [2022-11-23 14:23:10,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:23:10,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:23:13,073 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[113333,113346] [2022-11-23 14:23:13,094 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-23 14:23:13,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e705dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:13, skipping insertion in model container [2022-11-23 14:23:13,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:23:13,095 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:23:13,097 INFO L158 Benchmark]: Toolchain (without parser) took 2738.61ms. Allocated memory is still 172.0MB. Free memory was 132.7MB in the beginning and 128.0MB in the end (delta: 4.7MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-11-23 14:23:13,098 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:23:13,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2735.55ms. Allocated memory is still 172.0MB. Free memory was 132.7MB in the beginning and 128.8MB in the end (delta: 3.9MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-11-23 14:23:13,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2735.55ms. Allocated memory is still 172.0MB. Free memory was 132.7MB in the beginning and 128.8MB in the end (delta: 3.9MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2858]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a --- 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-4e7fbc6 [2022-11-23 14:23:15,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:23:15,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:23:15,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:23:15,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:23:15,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:23:15,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:23:15,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:23:15,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:23:15,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:23:15,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:23:15,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:23:15,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:23:15,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:23:15,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:23:15,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:23:15,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:23:15,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:23:15,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:23:15,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:23:15,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:23:15,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:23:15,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:23:15,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:23:15,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:23:15,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:23:15,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:23:15,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:23:15,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:23:15,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:23:15,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:23:15,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:23:15,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:23:15,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:23:15,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:23:15,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:23:15,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:23:15,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:23:15,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:23:15,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:23:15,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:23:15,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 14:23:15,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:23:15,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:23:15,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:23:15,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:23:15,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:23:15,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:23:15,901 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:23:15,902 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:23:15,902 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:23:15,902 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:23:15,904 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:23:15,904 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:23:15,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:23:15,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:23:15,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:23:15,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:23:15,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:23:15,907 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:23:15,907 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:23:15,907 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:23:15,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:23:15,908 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:23:15,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:23:15,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:23:15,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:23:15,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:23:15,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:23:15,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:23:15,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:23:15,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:23:15,911 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:23:15,911 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:23:15,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:23:15,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:23:15,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:23:15,913 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_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a [2022-11-23 14:23:16,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:23:16,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:23:16,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:23:16,404 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:23:16,405 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:23:16,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-23 14:23:19,587 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:23:20,095 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:23:20,095 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2022-11-23 14:23:20,131 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/data/c3d2ea74d/31712451f3194166a479b90fb21a12d2/FLAG73db84c3b [2022-11-23 14:23:20,152 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/bin/utaipan-Q6hlc19bkW/data/c3d2ea74d/31712451f3194166a479b90fb21a12d2 [2022-11-23 14:23:20,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:23:20,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:23:20,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:23:20,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:23:20,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:23:20,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:23:20" (1/1) ... [2022-11-23 14:23:20,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4167c77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:20, skipping insertion in model container [2022-11-23 14:23:20,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:23:20" (1/1) ... [2022-11-23 14:23:20,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:23:20,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:23:22,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbe7c79e-388b-4049-a11e-f3ea8d29ee51/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i[113333,113346] [2022-11-23 14:23:22,510 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-23 14:23:22,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37c241f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:23:22, skipping insertion in model container [2022-11-23 14:23:22,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:23:22,512 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:23:22,514 INFO L158 Benchmark]: Toolchain (without parser) took 2356.27ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 44.9MB in the beginning and 52.0MB in the end (delta: -7.2MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2022-11-23 14:23:22,515 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 46.5MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:23:22,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2353.59ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 52.0MB in the end (delta: -7.4MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2022-11-23 14:23:22,517 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 46.5MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2353.59ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 44.7MB in the beginning and 52.0MB in the end (delta: -7.4MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2858]: 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