./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73ddda065abbbb7a8935bad18f49b1d17524338cb957fc8706a0a92f880d4109 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:34:54,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:34:54,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:34:54,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:34:54,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:34:54,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:34:54,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:34:54,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:34:54,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:34:54,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:34:54,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:34:54,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:34:54,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:34:54,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:34:54,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:34:54,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:34:54,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:34:54,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:34:54,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:34:54,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:34:54,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:34:54,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:34:54,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:34:54,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:34:54,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:34:54,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:34:54,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:34:54,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:34:54,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:34:54,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:34:54,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:34:54,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:34:54,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:34:54,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:34:54,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:34:54,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:34:54,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:34:54,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:34:54,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:34:54,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:34:54,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:34:54,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 01:34:54,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:34:54,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:34:54,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:34:54,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:34:54,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:34:54,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:34:54,491 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:34:54,491 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:34:54,491 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:34:54,492 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:34:54,493 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:34:54,493 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:34:54,493 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:34:54,494 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:34:54,494 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:34:54,494 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:34:54,494 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:34:54,495 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:34:54,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:34:54,496 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:34:54,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:34:54,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:34:54,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:34:54,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:34:54,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:34:54,497 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:34:54,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:34:54,497 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:34:54,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:34:54,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:34:54,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:34:54,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:34:54,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:34:54,499 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:34:54,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:34:54,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:34:54,500 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:34:54,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:34:54,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:34:54,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:34:54,500 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_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73ddda065abbbb7a8935bad18f49b1d17524338cb957fc8706a0a92f880d4109 [2022-11-22 01:34:54,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:34:54,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:34:54,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:34:54,812 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:34:54,812 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:34:54,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2022-11-22 01:34:57,922 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:34:58,398 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:34:58,398 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2022-11-22 01:34:58,439 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/data/a88597aba/2a77c4a3de7440698efaec38332b2cb1/FLAGb8ab3efbd [2022-11-22 01:34:58,464 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/data/a88597aba/2a77c4a3de7440698efaec38332b2cb1 [2022-11-22 01:34:58,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:34:58,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:34:58,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:34:58,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:34:58,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:34:58,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:34:58" (1/1) ... [2022-11-22 01:34:58,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24347f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:58, skipping insertion in model container [2022-11-22 01:34:58,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:34:58" (1/1) ... [2022-11-22 01:34:58,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:34:58,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:34:59,997 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-22 01:34:59,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e91aaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:34:59, skipping insertion in model container [2022-11-22 01:34:59,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:34:59,998 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 01:35:00,000 INFO L158 Benchmark]: Toolchain (without parser) took 1527.31ms. Allocated memory is still 199.2MB. Free memory was 161.4MB in the beginning and 134.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-22 01:35:00,001 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:35:00,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1523.04ms. Allocated memory is still 199.2MB. Free memory was 161.4MB in the beginning and 134.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-22 01:35:00,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1523.04ms. Allocated memory is still 199.2MB. Free memory was 161.4MB in the beginning and 134.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73ddda065abbbb7a8935bad18f49b1d17524338cb957fc8706a0a92f880d4109 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:35:02,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:35:02,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:35:02,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:35:02,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:35:02,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:35:02,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:35:02,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:35:02,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:35:02,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:35:02,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:35:02,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:35:02,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:35:02,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:35:02,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:35:02,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:35:02,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:35:02,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:35:02,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:35:02,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:35:02,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:35:02,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:35:02,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:35:02,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:35:02,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:35:02,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:35:02,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:35:02,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:35:02,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:35:02,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:35:02,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:35:02,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:35:02,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:35:02,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:35:02,470 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:35:02,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:35:02,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:35:02,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:35:02,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:35:02,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:35:02,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:35:02,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-22 01:35:02,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:35:02,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:35:02,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:35:02,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:35:02,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:35:02,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:35:02,516 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:35:02,517 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:35:02,517 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:35:02,517 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:35:02,518 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:35:02,518 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:35:02,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:35:02,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:35:02,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:35:02,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:35:02,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:35:02,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:35:02,520 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:35:02,520 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:35:02,521 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:35:02,521 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:35:02,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:35:02,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:35:02,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:35:02,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:35:02,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:35:02,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:35:02,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:35:02,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:35:02,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:35:02,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:35:02,523 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:35:02,524 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:35:02,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:35:02,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:35:02,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:35:02,524 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_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73ddda065abbbb7a8935bad18f49b1d17524338cb957fc8706a0a92f880d4109 [2022-11-22 01:35:02,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:35:02,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:35:02,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:35:02,893 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:35:02,895 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:35:02,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2022-11-22 01:35:05,995 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:35:06,433 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:35:06,433 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/sv-benchmarks/c/busybox-1.22.0/readlink-1.i [2022-11-22 01:35:06,467 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/data/aec7fdb91/f74b0a8be2bf4b54bfda37bb3d802b54/FLAG14e8f53cb [2022-11-22 01:35:06,492 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bcf1366-f10a-4b36-ba9e-e41794573900/bin/utaipan-g80aRyZoba/data/aec7fdb91/f74b0a8be2bf4b54bfda37bb3d802b54 [2022-11-22 01:35:06,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:35:06,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:35:06,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:35:06,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:35:06,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:35:06,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:35:06" (1/1) ... [2022-11-22 01:35:06,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fb8802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:06, skipping insertion in model container [2022-11-22 01:35:06,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:35:06" (1/1) ... [2022-11-22 01:35:06,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:35:06,647 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:35:07,837 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-22 01:35:07,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bc02951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:35:07, skipping insertion in model container [2022-11-22 01:35:07,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:35:07,838 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 01:35:07,840 INFO L158 Benchmark]: Toolchain (without parser) took 1340.22ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 25.3MB in the beginning and 53.0MB in the end (delta: -27.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 01:35:07,841 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:35:07,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1337.86ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 25.0MB in the beginning and 53.4MB in the end (delta: -28.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 01:35:07,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1337.86ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 25.0MB in the beginning and 53.4MB in the end (delta: -28.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN