./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm-1.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_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/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_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/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_577fafc5-16b8-4c06-8bed-e07c3ac50f51/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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 --- 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 16:07:12,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:07:12,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:07:12,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:07:12,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:07:12,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:07:12,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:07:12,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:07:12,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:07:12,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:07:12,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:07:12,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:07:12,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:07:12,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:07:12,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:07:12,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:07:12,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:07:12,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:07:12,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:07:12,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:07:12,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:07:12,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:07:12,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:07:12,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:07:12,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:07:12,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:07:12,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:07:12,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:07:12,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:07:12,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:07:12,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:07:12,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:07:12,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:07:12,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:07:12,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:07:12,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:07:12,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:07:12,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:07:12,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:07:12,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:07:12,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:07:12,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 16:07:12,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:07:12,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:07:12,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:07:12,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:07:12,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:07:12,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:07:12,584 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:07:12,584 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:07:12,585 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:07:12,585 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:07:12,585 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:07:12,585 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:07:12,585 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:07:12,585 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:07:12,586 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:07:12,586 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:07:12,586 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:07:12,586 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:07:12,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:07:12,587 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:07:12,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:07:12,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:07:12,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:07:12,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:07:12,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:07:12,588 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:07:12,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:07:12,588 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:07:12,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:07:12,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:07:12,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:07:12,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:07:12,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:07:12,589 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:07:12,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:07:12,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:07:12,589 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:07:12,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:07:12,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:07:12,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:07:12,590 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_577fafc5-16b8-4c06-8bed-e07c3ac50f51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2022-12-14 16:07:12,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:07:12,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:07:12,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:07:12,792 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:07:12,792 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:07:12,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-12-14 16:07:15,369 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:07:15,637 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:07:15,637 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-12-14 16:07:15,653 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/data/bdafc5ae4/4fd3cafcd6e34e06a052e6a644d68de9/FLAG164f7c237 [2022-12-14 16:07:15,664 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/data/bdafc5ae4/4fd3cafcd6e34e06a052e6a644d68de9 [2022-12-14 16:07:15,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:07:15,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:07:15,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:07:15,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:07:15,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:07:15,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:07:15" (1/1) ... [2022-12-14 16:07:15,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eea1c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:07:15, skipping insertion in model container [2022-12-14 16:07:15,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:07:15" (1/1) ... [2022-12-14 16:07:15,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:07:15,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:07:16,762 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 16:07:16,768 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 16:07:16,769 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 16:07:16,771 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 16:07:16,778 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 16:07:16,781 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 16:07:16,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@65f7367c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:07:16, skipping insertion in model container [2022-12-14 16:07:16,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:07:16,782 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 16:07:16,783 INFO L158 Benchmark]: Toolchain (without parser) took 1115.97ms. Allocated memory is still 132.1MB. Free memory was 96.8MB in the beginning and 64.6MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 16:07:16,784 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 132.1MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:07:16,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1114.27ms. Allocated memory is still 132.1MB. Free memory was 96.8MB in the beginning and 64.6MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 16:07:16,785 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 132.1MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1114.27ms. Allocated memory is still 132.1MB. Free memory was 96.8MB in the beginning and 64.6MB in the end (delta: 32.2MB). Peak memory consumption was 31.5MB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/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_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/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_577fafc5-16b8-4c06-8bed-e07c3ac50f51/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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 --- 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 16:07:18,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:07:18,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:07:18,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:07:18,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:07:18,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:07:18,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:07:18,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:07:18,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:07:18,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:07:18,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:07:18,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:07:18,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:07:18,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:07:18,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:07:18,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:07:18,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:07:18,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:07:18,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:07:18,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:07:18,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:07:18,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:07:18,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:07:18,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:07:18,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:07:18,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:07:18,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:07:18,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:07:18,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:07:18,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:07:18,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:07:18,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:07:18,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:07:18,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:07:18,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:07:18,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:07:18,191 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:07:18,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:07:18,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:07:18,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:07:18,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:07:18,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 16:07:18,216 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:07:18,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:07:18,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:07:18,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:07:18,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:07:18,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:07:18,218 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:07:18,218 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:07:18,218 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:07:18,218 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:07:18,219 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:07:18,219 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:07:18,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:07:18,220 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:07:18,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:07:18,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:07:18,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:07:18,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:07:18,221 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 16:07:18,221 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 16:07:18,221 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:07:18,221 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 16:07:18,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:07:18,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:07:18,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:07:18,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:07:18,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 16:07:18,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:07:18,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:07:18,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:07:18,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:07:18,223 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:07:18,223 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 16:07:18,223 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 16:07:18,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:07:18,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:07:18,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 16:07:18,224 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_577fafc5-16b8-4c06-8bed-e07c3ac50f51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2022-12-14 16:07:18,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:07:18,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:07:18,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:07:18,450 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:07:18,451 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:07:18,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-12-14 16:07:21,064 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:07:21,319 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:07:21,319 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-12-14 16:07:21,336 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/data/c3331345b/2cffc96dfca349e982f125d0524bb152/FLAG108f0fe2f [2022-12-14 16:07:21,347 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_577fafc5-16b8-4c06-8bed-e07c3ac50f51/bin/utaipan-gh47qXpMRh/data/c3331345b/2cffc96dfca349e982f125d0524bb152 [2022-12-14 16:07:21,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:07:21,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:07:21,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:07:21,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:07:21,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:07:21,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:07:21" (1/1) ... [2022-12-14 16:07:21,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd02ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:07:21, skipping insertion in model container [2022-12-14 16:07:21,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:07:21" (1/1) ... [2022-12-14 16:07:21,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:07:21,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:07:22,286 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-12-14 16:07:22,292 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 16:07:22,293 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 16:07:22,295 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 16:07:22,303 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 16:07:22,308 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 16:07:22,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cdd899b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:07:22, skipping insertion in model container [2022-12-14 16:07:22,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:07:22,309 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 16:07:22,310 INFO L158 Benchmark]: Toolchain (without parser) took 959.39ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 41.4MB in the end (delta: 13.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-12-14 16:07:22,311 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:07:22,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 957.62ms. Allocated memory is still 81.8MB. Free memory was 54.4MB in the beginning and 41.4MB in the end (delta: 13.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-12-14 16:07:22,313 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 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 957.62ms. Allocated memory is still 81.8MB. Free memory was 54.4MB in the beginning and 41.4MB in the end (delta: 13.0MB). Peak memory consumption was 17.0MB. 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