./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7 --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 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:17:30,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:17:30,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:17:30,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:17:30,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:17:30,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:17:30,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:17:30,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:17:30,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:17:30,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:17:30,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:17:30,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:17:30,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:17:30,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:17:30,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:17:30,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:17:30,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:17:30,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:17:30,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:17:30,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:17:30,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:17:30,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:17:30,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:17:30,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:17:30,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:17:30,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:17:30,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:17:30,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:17:30,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:17:30,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:17:30,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:17:30,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:17:30,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:17:30,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:17:30,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:17:30,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:17:30,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:17:30,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:17:30,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:17:30,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:17:30,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:17:30,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:17:30,710 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:17:30,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:17:30,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:17:30,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:17:30,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:17:30,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:17:30,717 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:17:30,718 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:17:30,718 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:17:30,718 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:17:30,720 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:17:30,720 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:17:30,720 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:17:30,721 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:17:30,721 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:17:30,721 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:17:30,722 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:17:30,722 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:17:30,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:17:30,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:17:30,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:17:30,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:17:30,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:17:30,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:17:30,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:17:30,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:17:30,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:17:30,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:17:30,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:17:30,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:17:30,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:17:30,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:17:30,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:17:30,730 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:17:30,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:17:30,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:17:30,731 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:17:30,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:17:30,732 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-11-25 19:17:31,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:17:31,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:17:31,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:17:31,041 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:17:31,042 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:17:31,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-25 19:17:31,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/data/af5de9bce/f939d8fa763b4347a99d283c6569ebdb/FLAG601a58ed9 [2021-11-25 19:17:32,730 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:17:32,731 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-25 19:17:32,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/data/af5de9bce/f939d8fa763b4347a99d283c6569ebdb/FLAG601a58ed9 [2021-11-25 19:17:32,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/data/af5de9bce/f939d8fa763b4347a99d283c6569ebdb [2021-11-25 19:17:32,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:17:32,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:17:32,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:17:32,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:17:33,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:17:33,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:17:32" (1/1) ... [2021-11-25 19:17:33,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6210272e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:33, skipping insertion in model container [2021-11-25 19:17:33,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:17:32" (1/1) ... [2021-11-25 19:17:33,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:17:33,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:17:41,598 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2021-11-25 19:17:41,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e014105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:41, skipping insertion in model container [2021-11-25 19:17:41,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:17:41,599 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 19:17:41,601 INFO L158 Benchmark]: Toolchain (without parser) took 8604.88ms. Allocated memory was 107.0MB in the beginning and 199.2MB in the end (delta: 92.3MB). Free memory was 56.0MB in the beginning and 94.2MB in the end (delta: -38.1MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2021-11-25 19:17:41,602 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory was 61.3MB in the beginning and 61.2MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:17:41,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8602.31ms. Allocated memory was 107.0MB in the beginning and 199.2MB in the end (delta: 92.3MB). Free memory was 55.7MB in the beginning and 94.2MB in the end (delta: -38.4MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2021-11-25 19:17:41,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 107.0MB. Free memory was 61.3MB in the beginning and 61.2MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8602.31ms. Allocated memory was 107.0MB in the beginning and 199.2MB in the end (delta: 92.3MB). Free memory was 55.7MB in the beginning and 94.2MB in the end (delta: -38.4MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7 --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 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:17:44,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:17:44,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:17:44,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:17:44,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:17:44,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:17:44,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:17:44,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:17:44,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:17:44,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:17:44,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:17:44,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:17:44,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:17:44,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:17:44,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:17:44,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:17:44,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:17:44,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:17:44,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:17:44,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:17:44,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:17:44,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:17:44,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:17:44,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:17:44,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:17:44,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:17:44,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:17:44,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:17:44,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:17:44,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:17:44,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:17:44,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:17:44,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:17:44,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:17:44,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:17:44,383 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:17:44,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:17:44,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:17:44,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:17:44,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:17:44,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:17:44,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-25 19:17:44,419 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:17:44,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:17:44,420 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:17:44,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:17:44,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:17:44,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:17:44,421 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:17:44,421 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:17:44,422 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:17:44,422 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:17:44,422 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:17:44,422 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:17:44,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:17:44,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:17:44,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:17:44,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:17:44,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:17:44,424 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:17:44,424 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:17:44,424 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:17:44,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:17:44,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:17:44,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:17:44,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:17:44,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:17:44,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:17:44,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:17:44,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:17:44,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:17:44,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:17:44,427 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:17:44,427 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:17:44,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:17:44,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:17:44,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:17:44,428 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_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 235d2f839cd3d5c175e649f2cde6879f762964029c35bea2bd495ac64c0647c9 [2021-11-25 19:17:44,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:17:44,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:17:44,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:17:44,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:17:44,941 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:17:44,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-25 19:17:45,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/data/966691809/74a339f299ed4e379cb194d5216ea800/FLAG60d37357b [2021-11-25 19:17:46,907 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:17:46,909 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-25 19:17:47,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/data/966691809/74a339f299ed4e379cb194d5216ea800/FLAG60d37357b [2021-11-25 19:17:47,539 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caa0b20e-d7dd-4d7c-9838-216a6f4bf55d/bin/utaipan-eEHZpOm5b7/data/966691809/74a339f299ed4e379cb194d5216ea800 [2021-11-25 19:17:47,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:17:47,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:17:47,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:17:47,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:17:47,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:17:47,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:17:47" (1/1) ... [2021-11-25 19:17:47,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2126cda5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:47, skipping insertion in model container [2021-11-25 19:17:47,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:17:47" (1/1) ... [2021-11-25 19:17:47,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:17:48,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:17:56,856 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2021-11-25 19:17:56,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@814b814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:17:56, skipping insertion in model container [2021-11-25 19:17:56,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:17:56,858 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 19:17:56,860 INFO L158 Benchmark]: Toolchain (without parser) took 9315.19ms. Allocated memory was 79.7MB in the beginning and 213.9MB in the end (delta: 134.2MB). Free memory was 34.3MB in the beginning and 83.8MB in the end (delta: -49.5MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2021-11-25 19:17:56,861 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:17:56,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9312.55ms. Allocated memory was 79.7MB in the beginning and 213.9MB in the end (delta: 134.2MB). Free memory was 34.0MB in the beginning and 83.8MB in the end (delta: -49.8MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. [2021-11-25 19:17:56,865 INFO L339 ainManager$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 54.5MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9312.55ms. Allocated memory was 79.7MB in the beginning and 213.9MB in the end (delta: 134.2MB). Free memory was 34.0MB in the beginning and 83.8MB in the end (delta: -49.8MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT 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