./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/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_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh --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 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 --- 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 09:37:30,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:37:30,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:37:30,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:37:30,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:37:30,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:37:30,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:37:30,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:37:30,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:37:30,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:37:30,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:37:30,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:37:30,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:37:30,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:37:30,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:37:30,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:37:30,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:37:30,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:37:30,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:37:30,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:37:30,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:37:30,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:37:30,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:37:30,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:37:30,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:37:30,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:37:30,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:37:30,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:37:30,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:37:30,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:37:30,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:37:30,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:37:30,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:37:30,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:37:30,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:37:30,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:37:30,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:37:30,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:37:30,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:37:30,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:37:30,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:37:30,188 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:37:30,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:37:30,207 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:37:30,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:37:30,208 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:37:30,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:37:30,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:37:30,209 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:37:30,209 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:37:30,209 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:37:30,209 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:37:30,209 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:37:30,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:37:30,210 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:37:30,210 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:37:30,210 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:37:30,210 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:37:30,210 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:37:30,210 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:37:30,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:37:30,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:37:30,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:37:30,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:37:30,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:37:30,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:37:30,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:37:30,212 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:37:30,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:37:30,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:37:30,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:37:30,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:37:30,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:37:30,213 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:37:30,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:37:30,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:37:30,214 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:37:30,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:37:30,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:37:30,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:37:30,214 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_36634fdd-26f4-4162-9815-7d1ac9724371/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 [2022-12-14 09:37:30,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:37:30,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:37:30,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:37:30,412 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:37:30,413 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:37:30,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 09:37:32,933 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:37:33,200 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:37:33,201 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 09:37:33,217 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/data/bfd232229/ecf0f4e644e0423a80e7512bb8a83f02/FLAG9851fb5f5 [2022-12-14 09:37:33,525 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/data/bfd232229/ecf0f4e644e0423a80e7512bb8a83f02 [2022-12-14 09:37:33,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:37:33,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:37:33,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:37:33,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:37:33,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:37:33,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:37:33" (1/1) ... [2022-12-14 09:37:33,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77693222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:33, skipping insertion in model container [2022-12-14 09:37:33,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:37:33" (1/1) ... [2022-12-14 09:37:33,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:37:33,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:37:33,864 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:37:33,883 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:37:33,916 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:37:33,916 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:37:33,934 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-12-14 09:37:34,052 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,071 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 09:37:34,080 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-12-14 09:37:34,095 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-14 09:37:34,110 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:37:34,113 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-14 09:37:34,113 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:37:34,113 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-14 09:37:34,114 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-14 09:37:34,114 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 09:37:34,118 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-12-14 09:37:34,123 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 09:37:34,127 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-14 09:37:34,132 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 09:37:34,132 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-14 09:37:34,132 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-14 09:37:34,133 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-14 09:37:34,139 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-14 09:37:34,140 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-14 09:37:34,140 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-14 09:37:34,145 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-14 09:37:34,157 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:37:34,158 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 09:37:34,160 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 09:37:34,160 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-14 09:37:34,161 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:37:34,162 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:37:34,163 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:37:34,164 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-14 09:37:34,165 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-14 09:37:34,165 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-14 09:37:34,166 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-14 09:37:34,166 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-14 09:37:34,166 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 09:37:34,167 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 09:37:34,167 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 09:37:34,167 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 09:37:34,168 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-14 09:37:34,169 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-14 09:37:34,169 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-14 09:37:34,170 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-14 09:37:34,170 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 09:37:34,170 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:37:34,170 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-14 09:37:34,171 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:37:34,175 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 09:37:34,175 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:37:34,176 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:37:34,176 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-14 09:37:34,176 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:37:34,179 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 09:37:34,180 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-14 09:37:34,183 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:37:34,198 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-14 09:37:34,206 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:37:34,215 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2022-12-14 09:37:34,228 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,230 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,235 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,235 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,236 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,244 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,246 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,247 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,249 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:37:34,263 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:37:34,318 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:37:34,319 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:37:34,320 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:37:34,321 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:37:34,322 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-12-14 09:37:34,327 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,330 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 09:37:34,331 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-12-14 09:37:34,331 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-14 09:37:34,340 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:37:34,342 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-14 09:37:34,342 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:37:34,343 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-14 09:37:34,343 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-14 09:37:34,344 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 09:37:34,349 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-12-14 09:37:34,354 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 09:37:34,358 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-14 09:37:34,360 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 09:37:34,361 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-14 09:37:34,361 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-14 09:37:34,362 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-14 09:37:34,363 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-14 09:37:34,371 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-14 09:37:34,372 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-14 09:37:34,380 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-14 09:37:34,388 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:37:34,388 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 09:37:34,390 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 09:37:34,390 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-14 09:37:34,397 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:37:34,397 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:37:34,399 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:37:34,402 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-14 09:37:34,405 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-14 09:37:34,406 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-14 09:37:34,408 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-14 09:37:34,409 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-14 09:37:34,409 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 09:37:34,409 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 09:37:34,409 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 09:37:34,410 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 09:37:34,410 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-14 09:37:34,411 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-14 09:37:34,411 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-14 09:37:34,412 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-14 09:37:34,412 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 09:37:34,412 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:37:34,413 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-14 09:37:34,415 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:37:34,418 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 09:37:34,419 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:37:34,422 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:37:34,422 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-14 09:37:34,424 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:37:34,425 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 09:37:34,426 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-14 09:37:34,426 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:37:34,427 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-14 09:37:34,428 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:37:34,432 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2022-12-14 09:37:34,435 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,436 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,438 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,439 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,440 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,440 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,443 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,443 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,446 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:37:34,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:37:34,472 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:37:34,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34 WrapperNode [2022-12-14 09:37:34,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:37:34,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:37:34,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:37:34,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:37:34,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (1/1) ... [2022-12-14 09:37:34,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (1/1) ... [2022-12-14 09:37:34,556 INFO L138 Inliner]: procedures = 142, calls = 537, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1682 [2022-12-14 09:37:34,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:37:34,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:37:34,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:37:34,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:37:34,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (1/1) ... [2022-12-14 09:37:34,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (1/1) ... [2022-12-14 09:37:34,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (1/1) ... [2022-12-14 09:37:34,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (1/1) ... [2022-12-14 09:37:34,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (1/1) ... [2022-12-14 09:37:34,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (1/1) ... [2022-12-14 09:37:34,608 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (1/1) ... [2022-12-14 09:37:34,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (1/1) ... [2022-12-14 09:37:34,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:37:34,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:37:34,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:37:34,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:37:34,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (1/1) ... [2022-12-14 09:37:34,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:37:34,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:37:34,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:37:34,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:37:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2022-12-14 09:37:34,683 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2022-12-14 09:37:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2022-12-14 09:37:34,683 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2022-12-14 09:37:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 09:37:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 09:37:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:37:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 09:37:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 09:37:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2022-12-14 09:37:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2022-12-14 09:37:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-12-14 09:37:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-12-14 09:37:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 09:37:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 09:37:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2022-12-14 09:37:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2022-12-14 09:37:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2022-12-14 09:37:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2022-12-14 09:37:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 09:37:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 09:37:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:37:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 09:37:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 09:37:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 09:37:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 09:37:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2022-12-14 09:37:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2022-12-14 09:37:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 09:37:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 09:37:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 09:37:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 09:37:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:37:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 09:37:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 09:37:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 09:37:34,686 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 09:37:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:37:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-12-14 09:37:34,686 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-12-14 09:37:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:37:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:37:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 09:37:34,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 09:37:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2022-12-14 09:37:34,686 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2022-12-14 09:37:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-12-14 09:37:34,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-12-14 09:37:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:37:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 09:37:34,686 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 09:37:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 09:37:34,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 09:37:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:37:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:37:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-12-14 09:37:34,687 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-12-14 09:37:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2022-12-14 09:37:34,687 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2022-12-14 09:37:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:37:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:37:34,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:37:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 09:37:34,687 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 09:37:35,007 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:37:35,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:37:35,410 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 09:37:35,922 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:37:36,301 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:37:36,302 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:37:36,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:37:36 BoogieIcfgContainer [2022-12-14 09:37:36,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:37:36,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:37:36,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:37:36,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:37:36,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:37:33" (1/3) ... [2022-12-14 09:37:36,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd0a308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:37:36, skipping insertion in model container [2022-12-14 09:37:36,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:37:34" (2/3) ... [2022-12-14 09:37:36,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd0a308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:37:36, skipping insertion in model container [2022-12-14 09:37:36,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:37:36" (3/3) ... [2022-12-14 09:37:36,314 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 09:37:36,333 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:37:36,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:37:36,386 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:37:36,391 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1574707a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:37:36,391 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:37:36,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 192 states have (on average 1.328125) internal successors, (255), 204 states have internal predecessors, (255), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2022-12-14 09:37:36,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 09:37:36,401 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:37:36,402 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:37:36,402 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:37:36,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:37:36,406 INFO L85 PathProgramCache]: Analyzing trace with hash 278861848, now seen corresponding path program 1 times [2022-12-14 09:37:36,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:37:36,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379470637] [2022-12-14 09:37:36,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:37:36,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:37:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:37:36,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 09:37:36,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:37:36,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379470637] [2022-12-14 09:37:36,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379470637] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:37:36,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:37:36,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:37:36,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076775819] [2022-12-14 09:37:36,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:37:36,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:37:36,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:37:36,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:37:36,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:37:36,710 INFO L87 Difference]: Start difference. First operand has 303 states, 192 states have (on average 1.328125) internal successors, (255), 204 states have internal predecessors, (255), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 09:37:37,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:37:37,335 INFO L93 Difference]: Finished difference Result 869 states and 1206 transitions. [2022-12-14 09:37:37,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:37:37,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 33 [2022-12-14 09:37:37,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:37:37,351 INFO L225 Difference]: With dead ends: 869 [2022-12-14 09:37:37,351 INFO L226 Difference]: Without dead ends: 550 [2022-12-14 09:37:37,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:37:37,359 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 373 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:37:37,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 747 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 09:37:37,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2022-12-14 09:37:37,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 547. [2022-12-14 09:37:37,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 352 states have (on average 1.2698863636363635) internal successors, (447), 361 states have internal predecessors, (447), 149 states have call successors, (149), 46 states have call predecessors, (149), 45 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2022-12-14 09:37:37,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 743 transitions. [2022-12-14 09:37:37,432 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 743 transitions. Word has length 33 [2022-12-14 09:37:37,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:37:37,433 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 743 transitions. [2022-12-14 09:37:37,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 09:37:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 743 transitions. [2022-12-14 09:37:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 09:37:37,435 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:37:37,435 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:37:37,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:37:37,435 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:37:37,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:37:37,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1296878190, now seen corresponding path program 1 times [2022-12-14 09:37:37,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:37:37,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215101616] [2022-12-14 09:37:37,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:37:37,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:37:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:37:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 09:37:37,511 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:37:37,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215101616] [2022-12-14 09:37:37,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215101616] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:37:37,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:37:37,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:37:37,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143344643] [2022-12-14 09:37:37,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:37:37,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:37:37,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:37:37,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:37:37,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:37:37,513 INFO L87 Difference]: Start difference. First operand 547 states and 743 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 09:37:37,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:37:37,980 INFO L93 Difference]: Finished difference Result 1062 states and 1441 transitions. [2022-12-14 09:37:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:37:37,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2022-12-14 09:37:37,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:37:37,988 INFO L225 Difference]: With dead ends: 1062 [2022-12-14 09:37:37,988 INFO L226 Difference]: Without dead ends: 1056 [2022-12-14 09:37:37,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:37:37,990 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 359 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:37:37,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 687 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:37:37,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2022-12-14 09:37:38,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1056. [2022-12-14 09:37:38,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 681 states have (on average 1.2672540381791484) internal successors, (863), 698 states have internal predecessors, (863), 285 states have call successors, (285), 90 states have call predecessors, (285), 89 states have return successors, (283), 283 states have call predecessors, (283), 283 states have call successors, (283) [2022-12-14 09:37:38,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1431 transitions. [2022-12-14 09:37:38,060 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1431 transitions. Word has length 36 [2022-12-14 09:37:38,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:37:38,060 INFO L495 AbstractCegarLoop]: Abstraction has 1056 states and 1431 transitions. [2022-12-14 09:37:38,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 09:37:38,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1431 transitions. [2022-12-14 09:37:38,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 09:37:38,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:37:38,067 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:37:38,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:37:38,067 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:37:38,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:37:38,068 INFO L85 PathProgramCache]: Analyzing trace with hash -51489963, now seen corresponding path program 1 times [2022-12-14 09:37:38,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:37:38,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108376585] [2022-12-14 09:37:38,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:37:38,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:37:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:37:38,190 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 09:37:38,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:37:38,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108376585] [2022-12-14 09:37:38,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108376585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:37:38,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:37:38,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:37:38,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148664549] [2022-12-14 09:37:38,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:37:38,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:37:38,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:37:38,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:37:38,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:37:38,192 INFO L87 Difference]: Start difference. First operand 1056 states and 1431 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 09:37:38,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:37:38,691 INFO L93 Difference]: Finished difference Result 3023 states and 4081 transitions. [2022-12-14 09:37:38,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:37:38,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 83 [2022-12-14 09:37:38,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:37:38,699 INFO L225 Difference]: With dead ends: 3023 [2022-12-14 09:37:38,700 INFO L226 Difference]: Without dead ends: 1977 [2022-12-14 09:37:38,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:37:38,704 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 326 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:37:38,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 689 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:37:38,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2022-12-14 09:37:38,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1972. [2022-12-14 09:37:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1972 states, 1265 states have (on average 1.2608695652173914) internal successors, (1595), 1298 states have internal predecessors, (1595), 531 states have call successors, (531), 176 states have call predecessors, (531), 175 states have return successors, (529), 529 states have call predecessors, (529), 529 states have call successors, (529) [2022-12-14 09:37:38,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2655 transitions. [2022-12-14 09:37:38,795 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2655 transitions. Word has length 83 [2022-12-14 09:37:38,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:37:38,796 INFO L495 AbstractCegarLoop]: Abstraction has 1972 states and 2655 transitions. [2022-12-14 09:37:38,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 09:37:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2655 transitions. [2022-12-14 09:37:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 09:37:38,801 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:37:38,801 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:37:38,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:37:38,801 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:37:38,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:37:38,802 INFO L85 PathProgramCache]: Analyzing trace with hash -89174850, now seen corresponding path program 1 times [2022-12-14 09:37:38,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:37:38,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340005743] [2022-12-14 09:37:38,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:37:38,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:37:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:37:39,142 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-12-14 09:37:39,142 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:37:39,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340005743] [2022-12-14 09:37:39,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340005743] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:37:39,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:37:39,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:37:39,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446496087] [2022-12-14 09:37:39,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:37:39,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:37:39,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:37:39,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:37:39,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:37:39,144 INFO L87 Difference]: Start difference. First operand 1972 states and 2655 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 09:37:39,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:37:39,816 INFO L93 Difference]: Finished difference Result 3021 states and 4106 transitions. [2022-12-14 09:37:39,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:37:39,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 113 [2022-12-14 09:37:39,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:37:39,831 INFO L225 Difference]: With dead ends: 3021 [2022-12-14 09:37:39,832 INFO L226 Difference]: Without dead ends: 1988 [2022-12-14 09:37:39,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:37:39,837 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 0 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:37:39,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1257 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 09:37:39,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-12-14 09:37:39,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1976. [2022-12-14 09:37:39,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1976 states, 1267 states have (on average 1.260457774269929) internal successors, (1597), 1302 states have internal predecessors, (1597), 531 states have call successors, (531), 176 states have call predecessors, (531), 177 states have return successors, (545), 529 states have call predecessors, (545), 529 states have call successors, (545) [2022-12-14 09:37:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 2673 transitions. [2022-12-14 09:37:39,936 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 2673 transitions. Word has length 113 [2022-12-14 09:37:39,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:37:39,936 INFO L495 AbstractCegarLoop]: Abstraction has 1976 states and 2673 transitions. [2022-12-14 09:37:39,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 09:37:39,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2673 transitions. [2022-12-14 09:37:39,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-14 09:37:39,940 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:37:39,940 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:37:39,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:37:39,940 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:37:39,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:37:39,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1363731687, now seen corresponding path program 1 times [2022-12-14 09:37:39,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:37:39,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193975564] [2022-12-14 09:37:39,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:37:39,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:37:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:37:40,253 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-14 09:37:40,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:37:40,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193975564] [2022-12-14 09:37:40,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193975564] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:37:40,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412499204] [2022-12-14 09:37:40,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:37:40,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:37:40,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:37:40,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:37:40,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:37:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:37:40,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 09:37:40,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:37:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-12-14 09:37:40,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:37:40,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412499204] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:37:40,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:37:40,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-14 09:37:40,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819399513] [2022-12-14 09:37:40,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:37:40,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:37:40,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:37:40,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:37:40,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:37:40,669 INFO L87 Difference]: Start difference. First operand 1976 states and 2673 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 09:37:41,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:37:41,239 INFO L93 Difference]: Finished difference Result 3942 states and 5336 transitions. [2022-12-14 09:37:41,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:37:41,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 128 [2022-12-14 09:37:41,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:37:41,252 INFO L225 Difference]: With dead ends: 3942 [2022-12-14 09:37:41,252 INFO L226 Difference]: Without dead ends: 1977 [2022-12-14 09:37:41,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 09:37:41,261 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:37:41,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 948 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 09:37:41,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2022-12-14 09:37:41,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1977. [2022-12-14 09:37:41,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1977 states, 1268 states have (on average 1.2602523659305993) internal successors, (1598), 1303 states have internal predecessors, (1598), 531 states have call successors, (531), 176 states have call predecessors, (531), 177 states have return successors, (545), 529 states have call predecessors, (545), 529 states have call successors, (545) [2022-12-14 09:37:41,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2674 transitions. [2022-12-14 09:37:41,372 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2674 transitions. Word has length 128 [2022-12-14 09:37:41,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:37:41,373 INFO L495 AbstractCegarLoop]: Abstraction has 1977 states and 2674 transitions. [2022-12-14 09:37:41,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 09:37:41,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2674 transitions. [2022-12-14 09:37:41,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 09:37:41,378 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:37:41,378 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:37:41,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:37:41,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:37:41,579 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:37:41,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:37:41,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1512530457, now seen corresponding path program 1 times [2022-12-14 09:37:41,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:37:41,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223349855] [2022-12-14 09:37:41,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:37:41,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:37:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:37:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 09:37:41,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:37:41,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223349855] [2022-12-14 09:37:41,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223349855] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:37:41,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549942906] [2022-12-14 09:37:41,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:37:41,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:37:41,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:37:41,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:37:41,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:37:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:37:42,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 09:37:42,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:37:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-14 09:37:42,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:37:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 09:37:42,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549942906] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:37:42,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1867893379] [2022-12-14 09:37:42,522 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-12-14 09:37:42,522 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:37:42,525 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:37:42,530 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:37:42,531 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:37:42,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:42,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:43,374 INFO L321 Elim1Store]: treesize reduction 516, result has 25.3 percent of original size [2022-12-14 09:37:43,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 109 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 42 case distinctions, treesize of input 99 treesize of output 245 [2022-12-14 09:37:43,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:43,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:43,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 122 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 123 [2022-12-14 09:37:43,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:37:43,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:37:43,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-14 09:37:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-12-14 09:37:44,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-12-14 09:37:44,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-12-14 09:37:44,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-12-14 09:37:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-12-14 09:37:44,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:44,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-12-14 09:37:46,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:37:46,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:37:46,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:37:46,149 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:37:46,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 103 [2022-12-14 09:37:46,169 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-12-14 09:37:46,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 101 [2022-12-14 09:37:46,189 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-12-14 09:37:46,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 95 [2022-12-14 09:37:46,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:37:46,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:37:46,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:37:46,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:37:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:46,681 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:37:46,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:37:46,760 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:37:46,762 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:37:47,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:37:47,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:37:47,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:37:47,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:37:48,009 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:37:48,014 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:37:51,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:37:51,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:37:51,235 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:37:51,237 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:37:51,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:37:51,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:37:51,820 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:37:51,822 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:37:54,880 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:37:54,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:37:54,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:37:54,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:37:55,098 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:37:55,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:37:55,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:37:55,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:37:59,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:37:59,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:01,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:01,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:02,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:38:02,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:38:02,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:38:02,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:38:08,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:08,929 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:38:08,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:38:11,090 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:38:11,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:11,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:38:15,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:15,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:38:15,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:15,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:15,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:38:15,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:17,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:38:17,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:38:18,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:18,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:18,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:18,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:23,380 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:38:23,418 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:38:23,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:38:23,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:38:30,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:38:30,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:30,282 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:38:32,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:32,516 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:38:32,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:38:39,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:38:39,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:38:40,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:40,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:40,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:40,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:45,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:38:45,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:38:45,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:38:46,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:38:52,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:38:52,774 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:38:52,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:54,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:38:55,041 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:38:55,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:58,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:38:58,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:38:58,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:58,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:58,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:38:58,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:39:00,875 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 80 for LOIs [2022-12-14 09:39:00,888 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 402 for LOIs [2022-12-14 09:39:01,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:39:01,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:39:01,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:39:01,783 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 121 for LOIs [2022-12-14 09:39:01,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:39:01,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:39:02,610 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 142 for LOIs [2022-12-14 09:39:02,630 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 63 for LOIs [2022-12-14 09:39:02,633 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 135 for LOIs [2022-12-14 09:39:03,041 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-12-14 09:39:03,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-12-14 09:39:03,096 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 09:39:03,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-12-14 09:39:03,643 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-12-14 09:39:03,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-12-14 09:39:03,694 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 09:39:03,694 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-12-14 09:39:05,486 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-12-14 09:39:05,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-12-14 09:39:05,539 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 09:39:05,539 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-12-14 09:39:06,112 INFO L197 IcfgInterpreter]: Interpreting procedure IS_ERR with input of size 68 for LOIs [2022-12-14 09:39:06,157 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 68 for LOIs [2022-12-14 09:39:06,161 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 103 for LOIs [2022-12-14 09:39:06,174 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:39:54,897 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '31289#(and (<= 0 ~ldv_state_variable_2~0) (= ~LDV_IN_INTERRUPT~0 1) (= ~__mod_virtio_device_table~0.vendor 0) (= ~ldv_retval_1~0 0) (= ~index~0 0) (<= 0 ~major~0) (= |~#virtblk_fops~0.base| 11) (= |~#virtblk_fops~0.offset| 0) (= |~#features~0.base| 13) (<= 0 ~ldv_state_variable_1~0) (<= 0 ~ldv_blk_rq~0) (<= ~ldv_blk_rq~0 1) (= ~ldv_state_variable_0~0 2) (= |~#features~0.offset| 0) (= 12 |~#id_table~0.base|) (<= ~virtio_blk_group0~0.offset 0) (= ~ref_cnt~0 0) (= |~#id_table~0.offset| 0) (= |#NULL.offset| 0) (<= 0 ~virtio_blk_group0~0.offset) (<= ~virtblk_fops_group0~0.offset 0) (= ~ldv_retval_0~0 0) (= ~__mod_virtio_device_table~0.device 0) (<= 0 ~virtblk_fops_group0~0.offset) (not (= ~ldv_blk_rq~0 0)) (<= 0 |#StackHeapBarrier|) (= |~#virtio_blk~0.offset| 0) (= 14 |~#virtio_blk~0.base|) (= |#NULL.base| 0))' at error location [2022-12-14 09:39:54,898 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:39:54,898 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:39:54,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-14 09:39:54,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037810928] [2022-12-14 09:39:54,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:39:54,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 09:39:54,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:39:54,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 09:39:54,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=387, Invalid=6093, Unknown=0, NotChecked=0, Total=6480 [2022-12-14 09:39:54,900 INFO L87 Difference]: Start difference. First operand 1977 states and 2674 transitions. Second operand has 10 states, 8 states have (on average 10.375) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 09:39:56,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:39:56,235 INFO L93 Difference]: Finished difference Result 3954 states and 5354 transitions. [2022-12-14 09:39:56,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 09:39:56,236 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.375) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 130 [2022-12-14 09:39:56,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:39:56,244 INFO L225 Difference]: With dead ends: 3954 [2022-12-14 09:39:56,244 INFO L226 Difference]: Without dead ends: 1988 [2022-12-14 09:39:56,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 311 SyntacticMatches, 3 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2347 ImplicationChecksByTransitivity, 48.9s TimeCoverageRelationStatistics Valid=448, Invalid=7034, Unknown=0, NotChecked=0, Total=7482 [2022-12-14 09:39:56,252 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 8 mSDsluCounter, 1884 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2201 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:39:56,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2201 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 09:39:56,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-12-14 09:39:56,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1985. [2022-12-14 09:39:56,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1985 states, 1275 states have (on average 1.2611764705882353) internal successors, (1608), 1310 states have internal predecessors, (1608), 531 states have call successors, (531), 177 states have call predecessors, (531), 178 states have return successors, (545), 529 states have call predecessors, (545), 529 states have call successors, (545) [2022-12-14 09:39:56,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2684 transitions. [2022-12-14 09:39:56,320 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2684 transitions. Word has length 130 [2022-12-14 09:39:56,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:39:56,320 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 2684 transitions. [2022-12-14 09:39:56,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.375) internal successors, (83), 10 states have internal predecessors, (83), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 09:39:56,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2684 transitions. [2022-12-14 09:39:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-14 09:39:56,323 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:39:56,323 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:39:56,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 09:39:56,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:39:56,524 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:39:56,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:39:56,524 INFO L85 PathProgramCache]: Analyzing trace with hash 86251783, now seen corresponding path program 2 times [2022-12-14 09:39:56,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:39:56,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469927577] [2022-12-14 09:39:56,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:39:56,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:39:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:39:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-12-14 09:39:57,127 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:39:57,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469927577] [2022-12-14 09:39:57,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469927577] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:39:57,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567094626] [2022-12-14 09:39:57,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 09:39:57,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:39:57,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:39:57,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:39:57,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:39:57,537 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 09:39:57,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:39:57,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 09:39:57,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:39:57,590 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-12-14 09:39:57,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:39:57,716 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-12-14 09:39:57,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567094626] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:39:57,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1276677855] [2022-12-14 09:39:57,720 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-12-14 09:39:57,720 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:39:57,720 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:39:57,721 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:39:57,721 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:39:57,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:58,100 INFO L321 Elim1Store]: treesize reduction 315, result has 33.7 percent of original size [2022-12-14 09:39:58,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 95 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 14 case distinctions, treesize of input 80 treesize of output 212 [2022-12-14 09:39:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:58,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:58,625 INFO L321 Elim1Store]: treesize reduction 516, result has 25.3 percent of original size [2022-12-14 09:39:58,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 109 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 42 case distinctions, treesize of input 99 treesize of output 245 [2022-12-14 09:39:58,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:39:58,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:39:58,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-14 09:39:59,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-12-14 09:39:59,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-12-14 09:39:59,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-12-14 09:39:59,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-12-14 09:39:59,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-12-14 09:39:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:39:59,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-12-14 09:39:59,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:39:59,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:40:00,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:40:00,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 114 [2022-12-14 09:40:00,026 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 112 [2022-12-14 09:40:00,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 112 [2022-12-14 09:40:00,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:40:00,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:40:00,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:40:00,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:00,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:40:00,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:40:00,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:40:00,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:00,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:40:00,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:40:00,987 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:01,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:01,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:01,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:01,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:01,772 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:01,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:01,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:02,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:02,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:02,379 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:02,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:02,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:02,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:03,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:03,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:03,388 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:03,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:03,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:03,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:03,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:03,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:04,014 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:04,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:04,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:40:04,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:40:04,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:40:04,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:40:04,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:04,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:04,736 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:04,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:09,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:09,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:10,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:10,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:14,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:40:14,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:40:14,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:40:14,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:40:18,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:18,867 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:40:18,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:40:19,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:19,553 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:40:19,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:40:21,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:21,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:21,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:21,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:21,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:21,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:22,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:22,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:22,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:23,126 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:23,156 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:23,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:23,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:40:23,827 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:40:24,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:24,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:24,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:24,328 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:29,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:40:29,398 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:40:29,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:40:29,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:40:37,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:38,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:40:41,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:40:41,143 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:43,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:43,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:43,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:43,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:43,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:44,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:45,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:45,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:45,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:45,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:40:45,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:45,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:46,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:40:46,330 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:40:46,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:46,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:46,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:46,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:48,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:40:48,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:40:48,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:40:48,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:40:56,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:40:56,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:59,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:40:59,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:41:03,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:41:03,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:41:03,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:41:03,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:41:03,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:41:03,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:41:05,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:41:05,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:41:05,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:41:06,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:41:06,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:41:06,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:41:07,867 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 80 for LOIs [2022-12-14 09:41:07,880 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 402 for LOIs [2022-12-14 09:41:08,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:41:08,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:41:08,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:41:08,763 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 122 for LOIs [2022-12-14 09:41:08,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:41:08,819 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:41:09,544 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 143 for LOIs [2022-12-14 09:41:09,564 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 67 for LOIs [2022-12-14 09:41:09,568 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 135 for LOIs [2022-12-14 09:41:09,979 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-12-14 09:41:09,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-12-14 09:41:10,034 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 09:41:10,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-12-14 09:41:10,547 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-12-14 09:41:10,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-12-14 09:41:10,597 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 09:41:10,597 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-12-14 09:41:11,278 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-12-14 09:41:11,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-12-14 09:41:11,343 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 09:41:11,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-12-14 09:41:11,884 INFO L197 IcfgInterpreter]: Interpreting procedure IS_ERR with input of size 108 for LOIs [2022-12-14 09:41:12,029 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 108 for LOIs [2022-12-14 09:41:12,043 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 104 for LOIs [2022-12-14 09:41:12,056 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:42:01,222 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '41287#(and (<= 0 ~ldv_state_variable_2~0) (= ~LDV_IN_INTERRUPT~0 1) (= ~__mod_virtio_device_table~0.vendor 0) (<= ~major~0 2147483647) (= ~ldv_retval_1~0 0) (= ~index~0 0) (<= 0 ~major~0) (<= ~ldv_state_variable_1~0 1) (= |~#virtblk_fops~0.base| 11) (= |~#virtblk_fops~0.offset| 0) (= |~#features~0.base| 13) (<= 0 ~ldv_state_variable_1~0) (<= 0 ~ldv_blk_rq~0) (<= ~ldv_blk_rq~0 1) (= ~ldv_state_variable_0~0 2) (= |~#features~0.offset| 0) (= 12 |~#id_table~0.base|) (<= ~virtio_blk_group0~0.offset 0) (= ~ref_cnt~0 0) (= |~#id_table~0.offset| 0) (= |#NULL.offset| 0) (<= 0 ~virtio_blk_group0~0.offset) (<= ~virtblk_fops_group0~0.offset 0) (= ~ldv_retval_0~0 0) (= ~__mod_virtio_device_table~0.device 0) (<= 0 ~virtblk_fops_group0~0.offset) (<= ~ldv_state_variable_2~0 1) (not (= ~ldv_blk_rq~0 0)) (<= 0 |#StackHeapBarrier|) (= |~#virtio_blk~0.offset| 0) (= 14 |~#virtio_blk~0.base|) (= |#NULL.base| 0))' at error location [2022-12-14 09:42:01,222 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:42:01,222 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:42:01,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 16 [2022-12-14 09:42:01,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638546383] [2022-12-14 09:42:01,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:42:01,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-14 09:42:01,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:42:01,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-14 09:42:01,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=431, Invalid=7051, Unknown=0, NotChecked=0, Total=7482 [2022-12-14 09:42:01,224 INFO L87 Difference]: Start difference. First operand 1985 states and 2684 transitions. Second operand has 16 states, 13 states have (on average 6.615384615384615) internal successors, (86), 16 states have internal predecessors, (86), 2 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 09:42:02,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:42:02,718 INFO L93 Difference]: Finished difference Result 3957 states and 5354 transitions. [2022-12-14 09:42:02,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-14 09:42:02,719 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 6.615384615384615) internal successors, (86), 16 states have internal predecessors, (86), 2 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 134 [2022-12-14 09:42:02,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:42:02,727 INFO L225 Difference]: With dead ends: 3957 [2022-12-14 09:42:02,727 INFO L226 Difference]: Without dead ends: 1988 [2022-12-14 09:42:02,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2932 ImplicationChecksByTransitivity, 49.6s TimeCoverageRelationStatistics Valid=573, Invalid=9129, Unknown=0, NotChecked=0, Total=9702 [2022-12-14 09:42:02,734 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 30 mSDsluCounter, 2191 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 2506 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:42:02,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 2506 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 09:42:02,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-12-14 09:42:02,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1988. [2022-12-14 09:42:02,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1988 states, 1278 states have (on average 1.2589984350547732) internal successors, (1609), 1313 states have internal predecessors, (1609), 531 states have call successors, (531), 177 states have call predecessors, (531), 178 states have return successors, (545), 529 states have call predecessors, (545), 529 states have call successors, (545) [2022-12-14 09:42:02,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 2685 transitions. [2022-12-14 09:42:02,799 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 2685 transitions. Word has length 134 [2022-12-14 09:42:02,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:42:02,799 INFO L495 AbstractCegarLoop]: Abstraction has 1988 states and 2685 transitions. [2022-12-14 09:42:02,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 6.615384615384615) internal successors, (86), 16 states have internal predecessors, (86), 2 states have call successors, (31), 2 states have call predecessors, (31), 5 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-14 09:42:02,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2685 transitions. [2022-12-14 09:42:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-14 09:42:02,802 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:42:02,802 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:42:02,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 09:42:03,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:42:03,004 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:42:03,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:42:03,005 INFO L85 PathProgramCache]: Analyzing trace with hash 702085842, now seen corresponding path program 3 times [2022-12-14 09:42:03,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:42:03,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789502164] [2022-12-14 09:42:03,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:42:03,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:42:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:42:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-12-14 09:42:03,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:42:03,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789502164] [2022-12-14 09:42:03,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789502164] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:42:03,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236601094] [2022-12-14 09:42:03,631 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 09:42:03,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:42:03,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:42:03,632 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:42:03,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:42:04,320 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 09:42:04,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:42:04,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-14 09:42:04,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:42:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 56 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-14 09:42:04,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:42:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-12-14 09:42:04,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236601094] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:42:04,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2021340345] [2022-12-14 09:42:04,731 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-12-14 09:42:04,731 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:42:04,731 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:42:04,731 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:42:04,732 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:42:04,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:04,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,360 INFO L321 Elim1Store]: treesize reduction 516, result has 25.3 percent of original size [2022-12-14 09:42:05,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 109 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 42 case distinctions, treesize of input 99 treesize of output 245 [2022-12-14 09:42:05,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 14 select indices, 14 select index equivalence classes, 122 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 123 [2022-12-14 09:42:05,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:42:05,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:42:05,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-12-14 09:42:05,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-12-14 09:42:05,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-12-14 09:42:05,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:05,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-12-14 09:42:06,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 45 select indices, 45 select index equivalence classes, 96 disjoint index pairs (out of 990 index pairs), introduced 45 new quantified variables, introduced 0 case distinctions, treesize of input 342 treesize of output 136 [2022-12-14 09:42:06,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 122 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 49 [2022-12-14 09:42:06,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 52 [2022-12-14 09:42:06,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:42:06,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:42:06,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:42:06,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 112 [2022-12-14 09:42:06,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 114 [2022-12-14 09:42:06,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 112 [2022-12-14 09:42:06,790 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:42:06,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:42:06,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:42:06,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:42:06,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:06,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:06,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:42:07,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:42:07,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:42:07,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 29 select indices, 29 select index equivalence classes, 203 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 0 case distinctions, treesize of input 258 treesize of output 88 [2022-12-14 09:42:07,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:07,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:07,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:07,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:07,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:08,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:08,285 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:08,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:08,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:08,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:08,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:09,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:09,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:09,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:09,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:10,048 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:10,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:10,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:10,128 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:10,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:10,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:10,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:10,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:10,756 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:10,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:10,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:10,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:11,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:42:11,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:42:11,134 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:42:11,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:42:11,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:11,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:11,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:11,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:16,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:16,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:18,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:18,101 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:19,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:42:19,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:42:19,595 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:42:19,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:42:21,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:42:21,386 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:21,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:21,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:42:25,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:42:25,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:42:25,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:25,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:25,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:25,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:27,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:42:27,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:42:27,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:42:27,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:42:34,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:42:34,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:34,353 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:42:36,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:42:36,469 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-12-14 09:42:36,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:39,749 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:39,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:39,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:39,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:39,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:40,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:42,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:42,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:42,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:42,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:42,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:42,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:42:44,574 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:42:44,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:42:44,895 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:44,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:45,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:45,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:50,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:42:50,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:42:50,351 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-12-14 09:42:50,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:42:58,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:42:59,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:43:02,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:43:02,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-12-14 09:43:04,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:43:04,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:43:04,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:43:05,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:43:05,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-12-14 09:43:05,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:43:07,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:43:07,670 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:43:07,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:43:08,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:43:08,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:43:08,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:43:10,304 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 80 for LOIs [2022-12-14 09:43:10,324 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 402 for LOIs [2022-12-14 09:43:11,400 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:43:11,409 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-12-14 09:43:11,422 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-12-14 09:43:11,435 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 122 for LOIs [2022-12-14 09:43:11,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:43:11,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 09:43:12,310 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 143 for LOIs [2022-12-14 09:43:12,347 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 67 for LOIs [2022-12-14 09:43:12,351 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 135 for LOIs [2022-12-14 09:43:12,799 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-12-14 09:43:12,799 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-12-14 09:43:12,850 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 09:43:12,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-12-14 09:43:13,499 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-12-14 09:43:13,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-12-14 09:43:13,544 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 09:43:13,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-12-14 09:43:14,367 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-12-14 09:43:14,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 252 [2022-12-14 09:43:14,437 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-12-14 09:43:14,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 247 treesize of output 258 [2022-12-14 09:43:14,731 INFO L197 IcfgInterpreter]: Interpreting procedure IS_ERR with input of size 108 for LOIs [2022-12-14 09:43:14,871 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 108 for LOIs [2022-12-14 09:43:14,885 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 104 for LOIs [2022-12-14 09:43:14,898 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:44:05,804 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '51332#(and (<= 0 ~ldv_state_variable_2~0) (= ~LDV_IN_INTERRUPT~0 1) (= ~__mod_virtio_device_table~0.vendor 0) (<= ~major~0 2147483647) (= ~ldv_retval_1~0 0) (= ~index~0 0) (<= 0 ~major~0) (<= ~ldv_state_variable_1~0 1) (= |~#virtblk_fops~0.base| 11) (= |~#virtblk_fops~0.offset| 0) (= |~#features~0.base| 13) (<= 0 ~ldv_state_variable_1~0) (<= 0 ~ldv_blk_rq~0) (<= ~ldv_blk_rq~0 1) (= ~ldv_state_variable_0~0 2) (= |~#features~0.offset| 0) (= 12 |~#id_table~0.base|) (<= ~virtio_blk_group0~0.offset 0) (= ~ref_cnt~0 0) (= |~#id_table~0.offset| 0) (= |#NULL.offset| 0) (<= 0 ~virtio_blk_group0~0.offset) (<= ~virtblk_fops_group0~0.offset 0) (= ~ldv_retval_0~0 0) (= ~__mod_virtio_device_table~0.device 0) (<= 0 ~virtblk_fops_group0~0.offset) (<= ~ldv_state_variable_2~0 1) (not (= ~ldv_blk_rq~0 0)) (<= 0 |#StackHeapBarrier|) (= |~#virtio_blk~0.offset| 0) (= 14 |~#virtio_blk~0.base|) (= |#NULL.base| 0))' at error location [2022-12-14 09:44:05,804 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 09:44:05,804 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:44:05,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2022-12-14 09:44:05,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475209984] [2022-12-14 09:44:05,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:44:05,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-14 09:44:05,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:44:05,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-14 09:44:05,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=517, Invalid=8039, Unknown=0, NotChecked=0, Total=8556 [2022-12-14 09:44:05,810 INFO L87 Difference]: Start difference. First operand 1988 states and 2685 transitions. Second operand has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 09:44:09,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:44:09,150 INFO L93 Difference]: Finished difference Result 3970 states and 5371 transitions. [2022-12-14 09:44:09,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-12-14 09:44:09,151 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 137 [2022-12-14 09:44:09,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:44:09,157 INFO L225 Difference]: With dead ends: 3970 [2022-12-14 09:44:09,157 INFO L226 Difference]: Without dead ends: 1999 [2022-12-14 09:44:09,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 326 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3470 ImplicationChecksByTransitivity, 52.9s TimeCoverageRelationStatistics Valid=774, Invalid=10356, Unknown=0, NotChecked=0, Total=11130 [2022-12-14 09:44:09,163 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 22 mSDsluCounter, 3443 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 3759 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:44:09,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 3759 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 09:44:09,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2022-12-14 09:44:09,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1997. [2022-12-14 09:44:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1997 states, 1287 states have (on average 1.2587412587412588) internal successors, (1620), 1322 states have internal predecessors, (1620), 531 states have call successors, (531), 177 states have call predecessors, (531), 178 states have return successors, (545), 529 states have call predecessors, (545), 529 states have call successors, (545) [2022-12-14 09:44:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1997 states and 2696 transitions. [2022-12-14 09:44:09,222 INFO L78 Accepts]: Start accepts. Automaton has 1997 states and 2696 transitions. Word has length 137 [2022-12-14 09:44:09,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:44:09,222 INFO L495 AbstractCegarLoop]: Abstraction has 1997 states and 2696 transitions. [2022-12-14 09:44:09,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 09:44:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2696 transitions. [2022-12-14 09:44:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-14 09:44:09,225 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:44:09,225 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:44:09,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 09:44:09,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-14 09:44:09,426 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:44:09,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:44:09,427 INFO L85 PathProgramCache]: Analyzing trace with hash -186010329, now seen corresponding path program 4 times [2022-12-14 09:44:09,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:44:09,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856028127] [2022-12-14 09:44:09,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:09,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:44:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:44:09,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 09:44:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:44:09,965 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 09:44:09,965 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 09:44:09,966 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 09:44:09,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 09:44:09,969 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2022-12-14 09:44:09,973 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:44:09,991 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,992 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,992 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,992 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,993 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,993 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,993 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,993 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,994 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,994 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,994 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,994 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,995 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,995 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,995 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,995 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,996 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,996 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,996 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:09,996 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,996 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:09,997 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,998 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,998 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,998 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,998 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,998 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,999 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,999 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,999 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,999 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:09,999 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:10,000 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:10,000 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:10,000 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:10,000 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:10,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:44:10 BoogieIcfgContainer [2022-12-14 09:44:10,105 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:44:10,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:44:10,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:44:10,106 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:44:10,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:37:36" (3/4) ... [2022-12-14 09:44:10,108 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 09:44:10,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:44:10,109 INFO L158 Benchmark]: Toolchain (without parser) took 396577.58ms. Allocated memory was 136.3MB in the beginning and 597.7MB in the end (delta: 461.4MB). Free memory was 94.9MB in the beginning and 445.3MB in the end (delta: -350.4MB). Peak memory consumption was 111.4MB. Max. memory is 16.1GB. [2022-12-14 09:44:10,109 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 136.3MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:44:10,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 940.47ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 94.5MB in the beginning and 70.1MB in the end (delta: 24.3MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2022-12-14 09:44:10,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.83ms. Allocated memory is still 163.6MB. Free memory was 70.1MB in the beginning and 111.9MB in the end (delta: -41.8MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-12-14 09:44:10,109 INFO L158 Benchmark]: Boogie Preprocessor took 65.30ms. Allocated memory is still 163.6MB. Free memory was 111.9MB in the beginning and 101.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 09:44:10,110 INFO L158 Benchmark]: RCFGBuilder took 1682.98ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 101.4MB in the beginning and 118.0MB in the end (delta: -16.6MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2022-12-14 09:44:10,110 INFO L158 Benchmark]: TraceAbstraction took 393797.39ms. Allocated memory was 197.1MB in the beginning and 597.7MB in the end (delta: 400.6MB). Free memory was 117.0MB in the beginning and 446.4MB in the end (delta: -329.4MB). Peak memory consumption was 424.5MB. Max. memory is 16.1GB. [2022-12-14 09:44:10,110 INFO L158 Benchmark]: Witness Printer took 2.98ms. Allocated memory is still 597.7MB. Free memory was 446.4MB in the beginning and 445.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:44:10,111 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 136.3MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 940.47ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 94.5MB in the beginning and 70.1MB in the end (delta: 24.3MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.83ms. Allocated memory is still 163.6MB. Free memory was 70.1MB in the beginning and 111.9MB in the end (delta: -41.8MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.30ms. Allocated memory is still 163.6MB. Free memory was 111.9MB in the beginning and 101.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1682.98ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 101.4MB in the beginning and 118.0MB in the end (delta: -16.6MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * TraceAbstraction took 393797.39ms. Allocated memory was 197.1MB in the beginning and 597.7MB in the end (delta: 400.6MB). Free memory was 117.0MB in the beginning and 446.4MB in the end (delta: -329.4MB). Peak memory consumption was 424.5MB. Max. memory is 16.1GB. * Witness Printer took 2.98ms. Allocated memory is still 597.7MB. Free memory was 446.4MB in the beginning and 445.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4236]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 4024. Possible FailurePath: [L3355] int LDV_IN_INTERRUPT = 1; [L3356] struct block_device *virtblk_fops_group0 ; [L3357] int ldv_state_variable_2 ; [L3358] int ref_cnt ; [L3359] int ldv_state_variable_1 ; [L3360] struct virtio_device *virtio_blk_group0 ; [L3361] int ldv_state_variable_0 ; [L3492] static int major ; [L3493] static int index ; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4018-L4019] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4047] struct virtio_device_id const __mod_virtio_device_table ; [L4048] int ldv_retval_0 ; [L4049] int ldv_retval_1 ; [L4283] int ldv_blk_rq = 0; [L4072] unsigned long ldvarg1 ; [L4073] fmode_t ldvarg3 ; [L4074] struct hd_geometry *ldvarg0 ; [L4075] void *tmp ; [L4076] unsigned int ldvarg2 ; [L4077] int tmp___0 ; [L4078] int tmp___1 ; [L4079] int tmp___2 ; [L4080] int tmp___3 ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={18446744073709551622:0}, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4082] CALL, EXPR ldv_init_zalloc(16UL) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, calloc(1UL, size)={18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, size=16, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, calloc(1UL, size)={18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={18446744073709551617:0}, ref_cnt=0, size=16, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, calloc(1UL, size)={18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={18446744073709551617:0}, ref_cnt=0, size=16, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); [L4082] RET, EXPR ldv_init_zalloc(16UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(16UL)={18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={18446744073709551622:0}, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4082] tmp = ldv_init_zalloc(16UL) [L4083] ldvarg0 = (struct hd_geometry *)tmp [L4084] FCALL ldv_initialize() [L4085] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3301] void *tmp ; [L3303] EXPR, FCALL memset(s, c, n) [L3303] tmp = memset(s, c, n) [L3304] return (tmp); [L4085] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={18446744073709551622:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4086] CALL ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3301] void *tmp ; [L3303] EXPR, FCALL memset(s, c, n) [L3303] tmp = memset(s, c, n) [L3304] return (tmp); [L4086] RET ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 4UL)={18446744073709551621:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4087] ldvarg2 = __VERIFIER_nondet_ulong () [L4088] ldv_state_variable_1 = 0 [L4089] ref_cnt = 0 [L4090] ldv_state_variable_0 = 1 [L4091] ldv_state_variable_2 = 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4126] COND TRUE ldv_state_variable_0 != 0 [L4127] tmp___2 = __VERIFIER_nondet_int() [L4129] case 0: [L4137] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4138] COND TRUE ldv_state_variable_0 == 1 [L4139] CALL, EXPR init() [L4028] int tmp ; [L4030] CALL, EXPR register_blkdev(0U, "virtblk") [L4472] return __VERIFIER_nondet_int(); [L4030] RET, EXPR register_blkdev(0U, "virtblk") [L4030] major = register_blkdev(0U, "virtblk") [L4031] COND FALSE !(major < 0) [L4035] CALL, EXPR register_virtio_driver(& virtio_blk) [L4476] return __VERIFIER_nondet_int(); [L4035] RET, EXPR register_virtio_driver(& virtio_blk) [L4035] tmp = register_virtio_driver(& virtio_blk) [L4036] return (tmp); [L4139] RET, EXPR init() [L4139] ldv_retval_1 = init() [L4140] COND TRUE ldv_retval_1 == 0 [L4141] ldv_state_variable_0 = 3 [L4142] ldv_state_variable_2 = 1 [L4143] CALL ldv_initialize_block_device_operations_2() [L4063] void *tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4065] CALL, EXPR ldv_init_zalloc(464UL) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, calloc(1UL, size)={-18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, size=464, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, calloc(1UL, size)={-18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={-18446744073709551617:0}, ref_cnt=0, size=464, tmp={-18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, calloc(1UL, size)={-18446744073709551617:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={-18446744073709551617:0}, ref_cnt=0, size=464, tmp={-18446744073709551617:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); [L4065] RET, EXPR ldv_init_zalloc(464UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(464UL)={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4065] tmp = ldv_init_zalloc(464UL) [L4066] virtblk_fops_group0 = (struct block_device *)tmp [L4143] RET ldv_initialize_block_device_operations_2() [L4144] ldv_state_variable_1 = 1 [L4145] CALL ldv_initialize_virtio_driver_1() [L4054] void *tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4056] CALL, EXPR ldv_init_zalloc(1048UL) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, calloc(1UL, size)={-36893488147419103233:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=1048, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, calloc(1UL, size)={-36893488147419103233:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-36893488147419103233:0}, ref_cnt=0, size=1048, tmp={-36893488147419103233:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, calloc(1UL, size)={-36893488147419103233:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-36893488147419103233:0}, ref_cnt=0, size=1048, tmp={-36893488147419103233:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); [L4056] RET, EXPR ldv_init_zalloc(1048UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1048UL)={-36893488147419103233:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4056] tmp = ldv_init_zalloc(1048UL) [L4057] virtio_blk_group0 = (struct virtio_device *)tmp [L4145] RET ldv_initialize_virtio_driver_1() [L4148] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: [L4163] case 2: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=2, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4164] COND TRUE ldv_state_variable_2 != 0 [L4165] tmp___3 = __VERIFIER_nondet_int() [L4167] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=2, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4168] COND TRUE ldv_state_variable_2 == 1 [L4169] EXPR \read(ldvarg3) [L4169] EXPR \read(ldvarg1) [L4169] CALL virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L3756] struct gendisk *disk ; [L3757] struct virtio_blk *vblk ; [L3758] void *usr_data ; [L3759] char id_str[20U] ; [L3760] int err ; [L3761] int tmp ; [L3762] bool tmp___0 ; [L3763] int tmp___1 ; [L3764] int tmp___2 ; [L3766] EXPR bdev->bd_disk [L3766] disk = bdev->bd_disk [L3767] EXPR disk->private_data [L3767] vblk = (struct virtio_blk *)disk->private_data [L3768] COND TRUE cmd == 1447184708U [L3769] usr_data = (void *)data [L3770] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3723] struct virtio_blk *vblk ; [L3724] struct request *req ; [L3725] struct bio *bio ; [L3726] long tmp ; [L3727] long tmp___0 ; [L3728] long tmp___1 ; [L3729] long tmp___2 ; [L3730] int tmp___3 ; [L3732] EXPR disk->private_data [L3732] vblk = (struct virtio_blk *)disk->private_data [L3733] EXPR vblk->disk [L3733] EXPR (vblk->disk)->queue [L3733] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4381] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [\old(size)=112, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3254] void *p ; [L3255] void *tmp ; [L3256] int tmp___0 ; [L3258] tmp___0 = __VERIFIER_nondet_int() [L3259] COND TRUE tmp___0 != 0 [L3260] return ((void *)0); VAL [\old(size)=112, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=112, tmp___0=1, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4381] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [\old(arg2)=20, \old(arg3)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, arg0={18446744073709551624:18446744073709551635}, arg0={18446744073709551624:18446744073709551635}, arg1={18446744073709551619:0}, arg1={18446744073709551619:0}, arg2=20, arg3=208, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct bio))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4381] return ldv_malloc(sizeof(struct bio)); [L3733] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3733] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3734] CALL, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4242] return ((unsigned long )ptr > 2012UL); [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); [L3734] RET, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, bio={0:0}, disk={18446744073709551633:-2}, disk={18446744073709551633:-2}, features={13:0}, id_str={18446744073709551619:0}, id_str={18446744073709551619:0}, id_table={12:0}, index=0, IS_ERR((void const *)bio)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, vblk={-18446744073709551615:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3734] tmp___0 = IS_ERR((void const *)bio) [L3735] COND FALSE !(tmp___0 != 0L) [L3740] EXPR vblk->disk [L3740] EXPR (vblk->disk)->queue [L3740] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4225] struct request *tmp ; [L4227] CALL, EXPR ldv_blk_make_request(ldv_func_arg3) [L4309] struct request *res ; [L4310] long tmp___0 ; VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4312] COND FALSE !(ldv_blk_rq != 0) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4316] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3254] void *p ; [L3255] void *tmp ; [L3256] int tmp___0 ; [L3258] tmp___0 = __VERIFIER_nondet_int() [L3259] COND FALSE !(tmp___0 != 0) [L3262] tmp = malloc(size) [L3263] p = tmp VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709551615:0}, ref_cnt=0, size=322, tmp={-18446744073709551615:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3264] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3249] COND FALSE !(!cond) [L3264] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709551615:0}, ref_cnt=0, size=322, tmp={-18446744073709551615:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3265] CALL, EXPR IS_ERR(p) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4242] return ((unsigned long )ptr > 2012UL); [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); [L3265] RET, EXPR IS_ERR(p) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, IS_ERR(p)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709551615:0}, ref_cnt=0, size=322, tmp={-18446744073709551615:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3265] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3249] COND FALSE !(!cond) [L3265] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, IS_ERR(p)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709551615:0}, ref_cnt=0, size=322, tmp={-18446744073709551615:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3266] return (p); VAL [\old(size)=322, \result={-18446744073709551615:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={-18446744073709551615:0}, ref_cnt=0, size=322, tmp={-18446744073709551615:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4316] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct request))={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4316] res = ldv_malloc(sizeof(struct request)) [L4317] COND FALSE !((unsigned long )res == (unsigned long )((struct request *)0)) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, res={-18446744073709551615:0}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4321] CALL, EXPR IS_ERR___0((void const *)res) [L4277] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4279] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3333] return (exp); [L4279] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4279] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L4280] return (tmp); [L4321] RET, EXPR IS_ERR___0((void const *)res) [L4321] tmp___0 = IS_ERR___0((void const *)res) [L4322] COND TRUE tmp___0 == 0L [L4323] ldv_blk_rq = 1 [L4326] return (res); [L4227] RET, EXPR ldv_blk_make_request(ldv_func_arg3) [L4227] tmp = ldv_blk_make_request(ldv_func_arg3) [L4228] return (tmp); [L3740] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3740] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3741] CALL, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4242] return ((unsigned long )ptr > 2012UL); [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); [L3741] RET, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, bio={0:0}, disk={18446744073709551633:-2}, disk={18446744073709551633:-2}, features={13:0}, id_str={18446744073709551619:0}, id_str={18446744073709551619:0}, id_table={12:0}, index=0, IS_ERR((void const *)req)=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, req={-18446744073709551615:0}, tmp___0=0, vblk={-18446744073709551615:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3741] tmp___2 = IS_ERR((void const *)req) [L3742] COND FALSE !(tmp___2 != 0L) [L3748] req->cmd_type = 7 [L3749] EXPR vblk->disk [L3749] EXPR (vblk->disk)->queue [L3749] EXPR vblk->disk [L3749] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4391] return __VERIFIER_nondet_int(); [L3749] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3749] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3750] return (tmp___3); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, bio={0:0}, disk={18446744073709551633:-2}, disk={18446744073709551633:-2}, features={13:0}, id_str={18446744073709551619:0}, id_str={18446744073709551619:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, req={-18446744073709551615:0}, tmp___0=0, tmp___2=0, tmp___3=0, vblk={-18446744073709551615:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L3770] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3770] err = virtblk_get_id(disk, (char *)(& id_str)) [L3771] COND TRUE err == 0 [L3772] CALL, EXPR copy_to_user(usr_data, (void const *)(& id_str), 20U) [L3170] unsigned long tmp ; [L3172] FCALL might_fault() [L3173] CALL, EXPR _copy_to_user(dst, src, size) [L4365] return __VERIFIER_nondet_ulong(); [L3173] RET, EXPR _copy_to_user(dst, src, size) [L3173] tmp = _copy_to_user(dst, src, size) [L3174] return ((int )tmp); [L3772] RET, EXPR copy_to_user(usr_data, (void const *)(& id_str), 20U) [L3772] tmp = copy_to_user(usr_data, (void const *)(& id_str), 20U) [L3773] COND TRUE tmp != 0 [L3774] err = -14 [L3779] return (err); [L3779] return (err); VAL [\old(cmd)=1447184708, \old(data)=0, \old(mode)=0, \result=-14, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, bdev={-18446744073709551617:0}, bdev={-18446744073709551617:0}, cmd=1447184708, copy_to_user(usr_data, (void const *)(& id_str), 20U)=18446744073709551634, data=0, disk={18446744073709551633:-2}, err=-14, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mode=0, ref_cnt=0, tmp=15, usr_data={0:0}, vblk={-18446744073709551615:-8}, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4169] RET virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L4170] ldv_state_variable_2 = 1 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=2, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4126] COND TRUE ldv_state_variable_0 != 0 [L4127] tmp___2 = __VERIFIER_nondet_int() [L4129] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4130] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4131] CALL fini() [L4042] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4043] FCALL unregister_virtio_driver(& virtio_blk) [L4131] RET fini() [L4132] ldv_state_variable_0 = 2 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={18446744073709551617:0}, ldvarg1={18446744073709551622:0}, ldvarg2=1447184708, ldvarg3={18446744073709551621:0}, major=0, ref_cnt=0, tmp={18446744073709551617:0}, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4194] CALL ldv_check_final_state() [L4343] COND TRUE ldv_blk_rq != 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4344] CALL ldv_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] [L4236] reach_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551629:18446744073709551632}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={-18446744073709551617:0}, virtio_blk={14:0}, virtio_blk_group0={-36893488147419103233:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 304 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 393.6s, OverallIterations: 9, TraceHistogramMax: 12, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1119 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1119 mSDsluCounter, 12794 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10022 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3224 IncrementalHoareTripleChecker+Invalid, 3277 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 2772 mSDtfsCounter, 3224 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1397 GetRequests, 1095 SyntacticMatches, 5 SemanticMatches, 297 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8750 ImplicationChecksByTransitivity, 151.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1997occurred in iteration=8, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 25 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1463 NumberOfCodeBlocks, 1459 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1709 ConstructedInterpolants, 0 QuantifiedInterpolants, 2350 SizeOfPredicates, 12 NumberOfNonLiveVariables, 5051 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 1060/1214 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 09:44:10,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 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_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/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_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh --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 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 --- 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 09:44:11,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:44:11,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:44:11,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:44:11,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:44:11,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:44:11,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:44:11,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:44:11,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:44:11,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:44:11,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:44:11,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:44:11,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:44:11,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:44:11,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:44:11,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:44:11,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:44:11,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:44:11,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:44:11,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:44:11,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:44:11,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:44:11,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:44:11,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:44:11,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:44:11,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:44:11,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:44:11,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:44:11,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:44:11,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:44:11,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:44:11,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:44:11,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:44:11,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:44:11,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:44:11,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:44:11,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:44:11,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:44:11,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:44:11,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:44:11,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:44:11,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 09:44:11,750 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:44:11,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:44:11,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:44:11,751 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:44:11,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:44:11,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:44:11,751 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:44:11,752 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:44:11,752 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:44:11,752 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:44:11,752 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:44:11,752 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:44:11,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:44:11,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:44:11,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:44:11,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:44:11,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:44:11,753 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 09:44:11,753 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 09:44:11,753 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 09:44:11,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:44:11,754 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:44:11,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:44:11,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:44:11,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 09:44:11,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:44:11,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:44:11,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:44:11,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:44:11,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:44:11,755 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 09:44:11,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 09:44:11,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:44:11,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:44:11,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 09:44:11,755 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_36634fdd-26f4-4162-9815-7d1ac9724371/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 [2022-12-14 09:44:11,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:44:11,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:44:11,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:44:12,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:44:12,000 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:44:12,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 09:44:14,610 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:44:14,918 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:44:14,918 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 09:44:14,937 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/data/15134d5de/793fa4eee9cb40cfb4db38754e0fea54/FLAG1735f7f17 [2022-12-14 09:44:14,948 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/data/15134d5de/793fa4eee9cb40cfb4db38754e0fea54 [2022-12-14 09:44:14,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:44:14,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:44:14,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:44:14,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:44:14,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:44:14,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:44:14" (1/1) ... [2022-12-14 09:44:14,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc8bf96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:14, skipping insertion in model container [2022-12-14 09:44:14,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:44:14" (1/1) ... [2022-12-14 09:44:14,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:44:15,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:44:15,368 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:44:15,388 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:44:15,418 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:44:15,418 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:44:15,435 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-12-14 09:44:15,551 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,576 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 09:44:15,587 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-12-14 09:44:15,601 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-14 09:44:15,620 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:44:15,623 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-14 09:44:15,624 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:44:15,625 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-14 09:44:15,625 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-14 09:44:15,626 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 09:44:15,630 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-12-14 09:44:15,638 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 09:44:15,643 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-14 09:44:15,649 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 09:44:15,649 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-14 09:44:15,650 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-14 09:44:15,651 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-14 09:44:15,657 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-14 09:44:15,659 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-14 09:44:15,659 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-14 09:44:15,665 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-14 09:44:15,680 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:44:15,681 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 09:44:15,683 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 09:44:15,684 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-14 09:44:15,685 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:44:15,686 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:44:15,688 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:44:15,690 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-14 09:44:15,691 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-14 09:44:15,692 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-14 09:44:15,693 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-14 09:44:15,693 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-14 09:44:15,693 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 09:44:15,694 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 09:44:15,694 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 09:44:15,695 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 09:44:15,696 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-14 09:44:15,696 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-14 09:44:15,697 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-14 09:44:15,698 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-14 09:44:15,698 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 09:44:15,698 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:44:15,699 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-14 09:44:15,699 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:44:15,704 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 09:44:15,704 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:44:15,704 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:44:15,705 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-14 09:44:15,705 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:44:15,709 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 09:44:15,710 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-14 09:44:15,713 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:44:15,714 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-14 09:44:15,722 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:44:15,729 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2022-12-14 09:44:15,739 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,740 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,743 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,743 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,744 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,744 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,746 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,747 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,748 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:44:15,765 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 09:44:15,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:44:15,826 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:44:15,827 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:44:15,829 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:44:15,829 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:44:15,830 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-12-14 09:44:15,834 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,836 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 09:44:15,837 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-12-14 09:44:15,838 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-14 09:44:15,847 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:44:15,849 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-14 09:44:15,849 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:44:15,850 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-14 09:44:15,850 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-14 09:44:15,851 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 09:44:15,852 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-12-14 09:44:15,856 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 09:44:15,860 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-14 09:44:15,862 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 09:44:15,862 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-14 09:44:15,863 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-14 09:44:15,863 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-14 09:44:15,865 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-14 09:44:15,866 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-14 09:44:15,866 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-14 09:44:15,869 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-14 09:44:15,874 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:44:15,874 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 09:44:15,876 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 09:44:15,876 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-14 09:44:15,877 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:44:15,878 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:44:15,879 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:44:15,881 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-14 09:44:15,881 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-14 09:44:15,881 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-14 09:44:15,882 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-14 09:44:15,882 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-14 09:44:15,882 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 09:44:15,883 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 09:44:15,883 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 09:44:15,883 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 09:44:15,884 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-14 09:44:15,884 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-14 09:44:15,885 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-14 09:44:15,885 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-14 09:44:15,885 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 09:44:15,885 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:44:15,886 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-14 09:44:15,886 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:44:15,887 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 09:44:15,888 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:44:15,888 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:44:15,888 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-14 09:44:15,888 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:44:15,889 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 09:44:15,890 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-14 09:44:15,890 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:44:15,891 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-14 09:44:15,892 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:44:15,895 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2022-12-14 09:44:15,897 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,897 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,899 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,899 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,900 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,900 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,902 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,902 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,903 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:44:15,909 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:44:15,970 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:44:15,971 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:44:15,972 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:44:15,972 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:44:15,973 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-12-14 09:44:15,977 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:15,979 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-12-14 09:44:15,980 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-12-14 09:44:15,981 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-12-14 09:44:15,989 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 09:44:15,990 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-12-14 09:44:15,990 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:44:15,991 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-14 09:44:15,991 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-12-14 09:44:15,991 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-12-14 09:44:15,994 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-12-14 09:44:15,997 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-12-14 09:44:15,998 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-12-14 09:44:16,000 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-12-14 09:44:16,000 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-12-14 09:44:16,000 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-12-14 09:44:16,000 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-12-14 09:44:16,001 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-12-14 09:44:16,005 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-12-14 09:44:16,005 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-12-14 09:44:16,016 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-12-14 09:44:16,021 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:44:16,022 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 09:44:16,022 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-12-14 09:44:16,023 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-12-14 09:44:16,026 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:44:16,027 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:44:16,027 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:44:16,029 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-14 09:44:16,031 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-12-14 09:44:16,031 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-12-14 09:44:16,033 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-12-14 09:44:16,033 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-12-14 09:44:16,033 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-12-14 09:44:16,033 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 09:44:16,033 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-12-14 09:44:16,034 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-12-14 09:44:16,034 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-12-14 09:44:16,035 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-12-14 09:44:16,035 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-12-14 09:44:16,035 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-12-14 09:44:16,035 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-12-14 09:44:16,036 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:44:16,036 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-14 09:44:16,037 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:44:16,039 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-12-14 09:44:16,039 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-12-14 09:44:16,041 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-12-14 09:44:16,041 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-12-14 09:44:16,054 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:44:16,055 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-12-14 09:44:16,055 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-12-14 09:44:16,055 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-12-14 09:44:16,056 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-12-14 09:44:16,057 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:44:16,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i[121503,121516] [2022-12-14 09:44:16,060 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:16,061 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:16,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:16,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:16,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:16,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:16,064 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:16,064 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:16,065 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:44:16,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:44:16,088 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:44:16,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16 WrapperNode [2022-12-14 09:44:16,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:44:16,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:44:16,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:44:16,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:44:16,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (1/1) ... [2022-12-14 09:44:16,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (1/1) ... [2022-12-14 09:44:16,156 INFO L138 Inliner]: procedures = 149, calls = 537, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1621 [2022-12-14 09:44:16,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:44:16,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:44:16,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:44:16,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:44:16,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (1/1) ... [2022-12-14 09:44:16,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (1/1) ... [2022-12-14 09:44:16,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (1/1) ... [2022-12-14 09:44:16,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (1/1) ... [2022-12-14 09:44:16,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (1/1) ... [2022-12-14 09:44:16,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (1/1) ... [2022-12-14 09:44:16,230 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (1/1) ... [2022-12-14 09:44:16,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (1/1) ... [2022-12-14 09:44:16,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:44:16,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:44:16,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:44:16,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:44:16,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (1/1) ... [2022-12-14 09:44:16,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:44:16,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:44:16,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:44:16,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:44:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2022-12-14 09:44:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2022-12-14 09:44:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 09:44:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-14 09:44:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 09:44:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2022-12-14 09:44:16,321 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2022-12-14 09:44:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-14 09:44:16,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 09:44:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 09:44:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 09:44:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 09:44:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-12-14 09:44:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-12-14 09:44:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2022-12-14 09:44:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2022-12-14 09:44:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 09:44:16,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 09:44:16,322 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2022-12-14 09:44:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2022-12-14 09:44:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2022-12-14 09:44:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2022-12-14 09:44:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 09:44:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 09:44:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 09:44:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 09:44:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 09:44:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 09:44:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2022-12-14 09:44:16,323 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2022-12-14 09:44:16,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-12-14 09:44:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-12-14 09:44:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 09:44:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 09:44:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:44:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-12-14 09:44:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-12-14 09:44:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 09:44:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 09:44:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:44:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-12-14 09:44:16,324 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-12-14 09:44:16,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:44:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:44:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 09:44:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 09:44:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2022-12-14 09:44:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2022-12-14 09:44:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-12-14 09:44:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-12-14 09:44:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:44:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 09:44:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 09:44:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 09:44:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 09:44:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-14 09:44:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 09:44:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-14 09:44:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:44:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 09:44:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:44:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 09:44:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 09:44:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-12-14 09:44:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-12-14 09:44:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2022-12-14 09:44:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2022-12-14 09:44:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:44:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:44:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 09:44:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 09:44:16,680 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:44:16,683 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:44:20,327 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 09:44:22,583 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:44:22,593 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:44:22,593 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:44:22,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:44:22 BoogieIcfgContainer [2022-12-14 09:44:22,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:44:22,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:44:22,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:44:22,601 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:44:22,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:44:14" (1/3) ... [2022-12-14 09:44:22,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b95eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:44:22, skipping insertion in model container [2022-12-14 09:44:22,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:44:16" (2/3) ... [2022-12-14 09:44:22,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b95eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:44:22, skipping insertion in model container [2022-12-14 09:44:22,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:44:22" (3/3) ... [2022-12-14 09:44:22,604 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-39a1d13-1-101_1a-drivers--block--virtio_blk.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-12-14 09:44:22,622 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:44:22,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:44:22,679 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:44:22,685 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@d7dab7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:44:22,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:44:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand has 457 states, 346 states have (on average 1.2919075144508672) internal successors, (447), 358 states have internal predecessors, (447), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2022-12-14 09:44:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 09:44:22,699 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:44:22,700 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:44:22,701 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:44:22,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:44:22,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1119521097, now seen corresponding path program 1 times [2022-12-14 09:44:22,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:44:22,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175683903] [2022-12-14 09:44:22,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:22,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:22,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:44:22,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:44:22,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 09:44:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:23,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 09:44:23,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 09:44:23,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:44:23,070 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:44:23,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175683903] [2022-12-14 09:44:23,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175683903] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:44:23,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:44:23,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:44:23,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287403553] [2022-12-14 09:44:23,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:44:23,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 09:44:23,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:44:23,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 09:44:23,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:44:23,101 INFO L87 Difference]: Start difference. First operand has 457 states, 346 states have (on average 1.2919075144508672) internal successors, (447), 358 states have internal predecessors, (447), 84 states have call successors, (84), 26 states have call predecessors, (84), 25 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 09:44:23,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:44:23,160 INFO L93 Difference]: Finished difference Result 909 states and 1235 transitions. [2022-12-14 09:44:23,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 09:44:23,162 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-12-14 09:44:23,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:44:23,170 INFO L225 Difference]: With dead ends: 909 [2022-12-14 09:44:23,170 INFO L226 Difference]: Without dead ends: 439 [2022-12-14 09:44:23,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:44:23,177 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:44:23,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:44:23,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-12-14 09:44:23,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2022-12-14 09:44:23,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 335 states have (on average 1.2597014925373133) internal successors, (422), 340 states have internal predecessors, (422), 79 states have call successors, (79), 25 states have call predecessors, (79), 24 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2022-12-14 09:44:23,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 578 transitions. [2022-12-14 09:44:23,236 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 578 transitions. Word has length 46 [2022-12-14 09:44:23,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:44:23,237 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 578 transitions. [2022-12-14 09:44:23,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 09:44:23,237 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 578 transitions. [2022-12-14 09:44:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 09:44:23,239 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:44:23,239 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:44:23,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:44:23,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:23,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:44:23,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:44:23,444 INFO L85 PathProgramCache]: Analyzing trace with hash 275515595, now seen corresponding path program 1 times [2022-12-14 09:44:23,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:44:23,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050484393] [2022-12-14 09:44:23,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:23,448 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:23,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:44:23,453 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:44:23,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 09:44:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:23,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:44:23,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:44:23,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:44:23,891 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:44:23,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050484393] [2022-12-14 09:44:23,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050484393] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:44:23,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:44:23,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:44:23,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334653495] [2022-12-14 09:44:23,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:44:23,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:44:23,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:44:23,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:44:23,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:44:23,894 INFO L87 Difference]: Start difference. First operand 439 states and 578 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 09:44:23,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:44:23,996 INFO L93 Difference]: Finished difference Result 876 states and 1154 transitions. [2022-12-14 09:44:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:44:23,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-12-14 09:44:23,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:44:24,000 INFO L225 Difference]: With dead ends: 876 [2022-12-14 09:44:24,000 INFO L226 Difference]: Without dead ends: 440 [2022-12-14 09:44:24,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:44:24,008 INFO L413 NwaCegarLoop]: 576 mSDtfsCounter, 3 mSDsluCounter, 1147 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:44:24,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1723 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:44:24,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-12-14 09:44:24,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-12-14 09:44:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440 states, 336 states have (on average 1.2589285714285714) internal successors, (423), 341 states have internal predecessors, (423), 79 states have call successors, (79), 25 states have call predecessors, (79), 24 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2022-12-14 09:44:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 579 transitions. [2022-12-14 09:44:24,026 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 579 transitions. Word has length 46 [2022-12-14 09:44:24,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:44:24,027 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 579 transitions. [2022-12-14 09:44:24,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 09:44:24,028 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 579 transitions. [2022-12-14 09:44:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 09:44:24,029 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:44:24,029 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:44:24,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 09:44:24,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:24,231 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:44:24,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:44:24,232 INFO L85 PathProgramCache]: Analyzing trace with hash 204883235, now seen corresponding path program 1 times [2022-12-14 09:44:24,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:44:24,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4880808] [2022-12-14 09:44:24,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:24,235 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:24,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:44:24,238 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:44:24,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 09:44:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:24,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 09:44:24,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:24,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:44:24,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:44:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:44:24,917 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:44:24,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4880808] [2022-12-14 09:44:24,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4880808] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:44:24,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1865736007] [2022-12-14 09:44:24,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:24,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 09:44:24,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 09:44:24,939 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 09:44:24,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-12-14 09:44:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:25,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 09:44:25,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:25,394 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 09:44:25,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:44:25,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1865736007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:44:25,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 09:44:25,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 9 [2022-12-14 09:44:25,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547012852] [2022-12-14 09:44:25,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:44:25,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:44:25,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:44:25,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:44:25,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 09:44:25,396 INFO L87 Difference]: Start difference. First operand 440 states and 579 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 09:44:25,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:44:25,437 INFO L93 Difference]: Finished difference Result 857 states and 1129 transitions. [2022-12-14 09:44:25,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:44:25,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2022-12-14 09:44:25,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:44:25,442 INFO L225 Difference]: With dead ends: 857 [2022-12-14 09:44:25,442 INFO L226 Difference]: Without dead ends: 848 [2022-12-14 09:44:25,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 09:44:25,443 INFO L413 NwaCegarLoop]: 660 mSDtfsCounter, 532 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:44:25,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 1207 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:44:25,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2022-12-14 09:44:25,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2022-12-14 09:44:25,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 848 states, 649 states have (on average 1.2604006163328196) internal successors, (818), 658 states have internal predecessors, (818), 151 states have call successors, (151), 48 states have call predecessors, (151), 47 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2022-12-14 09:44:25,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1118 transitions. [2022-12-14 09:44:25,478 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1118 transitions. Word has length 48 [2022-12-14 09:44:25,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:44:25,478 INFO L495 AbstractCegarLoop]: Abstraction has 848 states and 1118 transitions. [2022-12-14 09:44:25,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 09:44:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1118 transitions. [2022-12-14 09:44:25,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 09:44:25,482 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:44:25,482 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:44:25,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2022-12-14 09:44:25,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 09:44:25,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:25,885 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:44:25,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:44:25,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1655512125, now seen corresponding path program 1 times [2022-12-14 09:44:25,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:44:25,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063269206] [2022-12-14 09:44:25,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:25,890 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:25,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:44:25,891 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:44:25,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 09:44:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:26,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 09:44:26,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 09:44:26,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:44:26,484 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 09:44:26,485 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:44:26,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063269206] [2022-12-14 09:44:26,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063269206] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:44:26,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [517733122] [2022-12-14 09:44:26,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:26,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 09:44:26,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 09:44:26,486 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 09:44:26,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-12-14 09:44:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:26,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 09:44:26,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:26,885 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 09:44:26,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:44:26,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [517733122] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:44:26,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 09:44:26,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-12-14 09:44:26,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817140125] [2022-12-14 09:44:26,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:44:26,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:44:26,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:44:26,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:44:26,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 09:44:26,887 INFO L87 Difference]: Start difference. First operand 848 states and 1118 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 09:44:27,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:44:27,011 INFO L93 Difference]: Finished difference Result 2393 states and 3151 transitions. [2022-12-14 09:44:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:44:27,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 109 [2022-12-14 09:44:27,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:44:27,017 INFO L225 Difference]: With dead ends: 2393 [2022-12-14 09:44:27,017 INFO L226 Difference]: Without dead ends: 1560 [2022-12-14 09:44:27,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-12-14 09:44:27,020 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 485 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:44:27,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 1204 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:44:27,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2022-12-14 09:44:27,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1552. [2022-12-14 09:44:27,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1552 states, 1185 states have (on average 1.2607594936708861) internal successors, (1494), 1202 states have internal predecessors, (1494), 275 states have call successors, (275), 92 states have call predecessors, (275), 91 states have return successors, (273), 273 states have call predecessors, (273), 273 states have call successors, (273) [2022-12-14 09:44:27,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 2042 transitions. [2022-12-14 09:44:27,073 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 2042 transitions. Word has length 109 [2022-12-14 09:44:27,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:44:27,074 INFO L495 AbstractCegarLoop]: Abstraction has 1552 states and 2042 transitions. [2022-12-14 09:44:27,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 09:44:27,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 2042 transitions. [2022-12-14 09:44:27,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-14 09:44:27,079 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:44:27,079 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:44:27,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-14 09:44:27,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2022-12-14 09:44:27,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 09:44:27,480 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:44:27,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:44:27,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1260551148, now seen corresponding path program 1 times [2022-12-14 09:44:27,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:44:27,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333064976] [2022-12-14 09:44:27,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:27,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:27,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:44:27,482 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:44:27,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-14 09:44:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:27,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 09:44:27,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:27,950 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 09:44:27,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:44:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-12-14 09:44:28,147 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:44:28,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333064976] [2022-12-14 09:44:28,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1333064976] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:44:28,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1762186332] [2022-12-14 09:44:28,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:28,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 09:44:28,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 09:44:28,148 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 09:44:28,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2022-12-14 09:44:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:28,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 09:44:28,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-14 09:44:28,614 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:44:28,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1762186332] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:44:28,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 09:44:28,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2022-12-14 09:44:28,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419207916] [2022-12-14 09:44:28,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:44:28,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:44:28,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:44:28,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:44:28,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 09:44:28,616 INFO L87 Difference]: Start difference. First operand 1552 states and 2042 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 09:44:28,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:44:28,735 INFO L93 Difference]: Finished difference Result 3089 states and 4093 transitions. [2022-12-14 09:44:28,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:44:28,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) Word has length 155 [2022-12-14 09:44:28,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:44:28,744 INFO L225 Difference]: With dead ends: 3089 [2022-12-14 09:44:28,744 INFO L226 Difference]: Without dead ends: 1560 [2022-12-14 09:44:28,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-14 09:44:28,749 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 0 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:44:28,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2292 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:44:28,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2022-12-14 09:44:28,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1554. [2022-12-14 09:44:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1554 states, 1186 states have (on average 1.260539629005059) internal successors, (1495), 1204 states have internal predecessors, (1495), 275 states have call successors, (275), 92 states have call predecessors, (275), 92 states have return successors, (281), 273 states have call predecessors, (281), 273 states have call successors, (281) [2022-12-14 09:44:28,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2051 transitions. [2022-12-14 09:44:28,809 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2051 transitions. Word has length 155 [2022-12-14 09:44:28,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:44:28,810 INFO L495 AbstractCegarLoop]: Abstraction has 1554 states and 2051 transitions. [2022-12-14 09:44:28,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 3 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 09:44:28,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2051 transitions. [2022-12-14 09:44:28,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-14 09:44:28,814 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:44:28,814 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:44:28,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2022-12-14 09:44:29,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-14 09:44:29,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:29,215 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:44:29,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:44:29,216 INFO L85 PathProgramCache]: Analyzing trace with hash 135573017, now seen corresponding path program 1 times [2022-12-14 09:44:29,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:44:29,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177104589] [2022-12-14 09:44:29,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:29,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:29,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:44:29,218 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:44:29,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-14 09:44:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:29,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 09:44:29,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 09:44:29,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:44:29,890 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-12-14 09:44:29,891 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:44:29,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177104589] [2022-12-14 09:44:29,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1177104589] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:44:29,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [690628273] [2022-12-14 09:44:29,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:29,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 09:44:29,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 09:44:29,892 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 09:44:29,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-12-14 09:44:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:30,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 09:44:30,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 09:44:30,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:44:30,786 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-12-14 09:44:30,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [690628273] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:44:30,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197666999] [2022-12-14 09:44:30,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:30,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:44:30,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:44:30,788 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:44:30,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-14 09:44:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:31,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 09:44:31,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-14 09:44:31,170 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:44:31,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197666999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:44:31,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-12-14 09:44:31,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5, 5] total 10 [2022-12-14 09:44:31,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301106722] [2022-12-14 09:44:31,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:44:31,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:44:31,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:44:31,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:44:31,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-12-14 09:44:31,171 INFO L87 Difference]: Start difference. First operand 1554 states and 2051 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 09:44:31,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:44:31,296 INFO L93 Difference]: Finished difference Result 3100 states and 4096 transitions. [2022-12-14 09:44:31,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:44:31,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 175 [2022-12-14 09:44:31,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:44:31,302 INFO L225 Difference]: With dead ends: 3100 [2022-12-14 09:44:31,302 INFO L226 Difference]: Without dead ends: 1565 [2022-12-14 09:44:31,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 871 GetRequests, 862 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-12-14 09:44:31,306 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 10 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 09:44:31,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1727 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 09:44:31,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-12-14 09:44:31,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1557. [2022-12-14 09:44:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1189 states have (on average 1.2582001682085786) internal successors, (1496), 1207 states have internal predecessors, (1496), 275 states have call successors, (275), 92 states have call predecessors, (275), 92 states have return successors, (281), 273 states have call predecessors, (281), 273 states have call successors, (281) [2022-12-14 09:44:31,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2052 transitions. [2022-12-14 09:44:31,357 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2052 transitions. Word has length 175 [2022-12-14 09:44:31,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:44:31,357 INFO L495 AbstractCegarLoop]: Abstraction has 1557 states and 2052 transitions. [2022-12-14 09:44:31,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 09:44:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2052 transitions. [2022-12-14 09:44:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-12-14 09:44:31,360 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:44:31,360 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:44:31,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-14 09:44:31,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2022-12-14 09:44:31,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-14 09:44:31,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:44:31,964 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:44:31,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:44:31,965 INFO L85 PathProgramCache]: Analyzing trace with hash 666316361, now seen corresponding path program 1 times [2022-12-14 09:44:31,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:44:31,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279652967] [2022-12-14 09:44:31,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:31,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:31,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:44:31,969 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:44:31,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-14 09:44:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:32,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 09:44:32,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 09:44:32,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:44:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-12-14 09:44:32,728 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:44:32,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279652967] [2022-12-14 09:44:32,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279652967] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:44:32,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1126877905] [2022-12-14 09:44:32,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:32,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 09:44:32,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 09:44:32,729 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 09:44:32,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2022-12-14 09:44:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:33,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 09:44:33,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 09:44:33,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:44:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-12-14 09:44:33,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1126877905] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:44:33,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630896753] [2022-12-14 09:44:33,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:44:33,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:44:33,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:44:33,740 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:44:33,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-14 09:44:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:44:34,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 09:44:34,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:34,112 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 09:44:34,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:44:34,231 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-12-14 09:44:34,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630896753] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:44:34,232 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 09:44:34,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-12-14 09:44:34,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010664383] [2022-12-14 09:44:34,232 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 09:44:34,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 09:44:34,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:44:34,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 09:44:34,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:44:34,234 INFO L87 Difference]: Start difference. First operand 1557 states and 2052 transitions. Second operand has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 09:44:34,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:44:34,575 INFO L93 Difference]: Finished difference Result 3111 states and 4105 transitions. [2022-12-14 09:44:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 09:44:34,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 176 [2022-12-14 09:44:34,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:44:34,584 INFO L225 Difference]: With dead ends: 3111 [2022-12-14 09:44:34,584 INFO L226 Difference]: Without dead ends: 1567 [2022-12-14 09:44:34,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1054 GetRequests, 1044 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-12-14 09:44:34,587 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 7 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2869 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:44:34,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2869 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:44:34,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2022-12-14 09:44:34,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1567. [2022-12-14 09:44:34,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1567 states, 1198 states have (on average 1.2587646076794659) internal successors, (1508), 1216 states have internal predecessors, (1508), 275 states have call successors, (275), 93 states have call predecessors, (275), 93 states have return successors, (281), 273 states have call predecessors, (281), 273 states have call successors, (281) [2022-12-14 09:44:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2064 transitions. [2022-12-14 09:44:34,631 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2064 transitions. Word has length 176 [2022-12-14 09:44:34,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:44:34,631 INFO L495 AbstractCegarLoop]: Abstraction has 1567 states and 2064 transitions. [2022-12-14 09:44:34,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.0) internal successors, (120), 8 states have internal predecessors, (120), 2 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 09:44:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2064 transitions. [2022-12-14 09:44:34,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-12-14 09:44:34,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:44:34,634 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:44:34,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-14 09:44:34,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2022-12-14 09:44:35,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-12-14 09:44:35,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:35,236 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:44:35,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:44:35,238 INFO L85 PathProgramCache]: Analyzing trace with hash -2026420815, now seen corresponding path program 2 times [2022-12-14 09:44:35,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:44:35,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1813318536] [2022-12-14 09:44:35,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 09:44:35,241 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:35,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:44:35,243 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:44:35,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-12-14 09:44:35,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 09:44:35,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:44:35,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 09:44:35,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-12-14 09:44:36,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:44:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-14 09:44:36,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:44:36,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1813318536] [2022-12-14 09:44:36,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1813318536] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:44:36,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [929852712] [2022-12-14 09:44:36,818 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 09:44:36,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 09:44:36,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 09:44:36,819 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 09:44:36,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-12-14 09:44:38,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 09:44:38,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:44:38,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 09:44:38,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:38,275 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-12-14 09:44:38,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:44:38,468 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-14 09:44:38,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [929852712] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:44:38,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307134767] [2022-12-14 09:44:38,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 09:44:38,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:44:38,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:44:38,469 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:44:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-12-14 09:44:39,052 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 09:44:39,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:44:39,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 09:44:39,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:44:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-14 09:44:39,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:44:39,586 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-12-14 09:44:39,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307134767] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:44:39,586 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 09:44:39,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 6, 6] total 20 [2022-12-14 09:44:39,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949416037] [2022-12-14 09:44:39,587 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 09:44:39,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 09:44:39,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:44:39,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 09:44:39,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2022-12-14 09:44:39,588 INFO L87 Difference]: Start difference. First operand 1567 states and 2064 transitions. Second operand has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (32), 2 states have call predecessors, (32), 6 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 09:44:40,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:44:40,848 INFO L93 Difference]: Finished difference Result 3127 states and 4124 transitions. [2022-12-14 09:44:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 09:44:40,849 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (32), 2 states have call predecessors, (32), 6 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 180 [2022-12-14 09:44:40,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:44:40,855 INFO L225 Difference]: With dead ends: 3127 [2022-12-14 09:44:40,855 INFO L226 Difference]: Without dead ends: 1573 [2022-12-14 09:44:40,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1091 GetRequests, 1056 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=352, Invalid=980, Unknown=0, NotChecked=0, Total=1332 [2022-12-14 09:44:40,859 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 38 mSDsluCounter, 5169 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 5746 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:44:40,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 5746 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:44:40,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-12-14 09:44:40,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1573. [2022-12-14 09:44:40,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1204 states have (on average 1.254983388704319) internal successors, (1511), 1222 states have internal predecessors, (1511), 275 states have call successors, (275), 93 states have call predecessors, (275), 93 states have return successors, (281), 273 states have call predecessors, (281), 273 states have call successors, (281) [2022-12-14 09:44:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2067 transitions. [2022-12-14 09:44:40,908 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2067 transitions. Word has length 180 [2022-12-14 09:44:40,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:44:40,908 INFO L495 AbstractCegarLoop]: Abstraction has 1573 states and 2067 transitions. [2022-12-14 09:44:40,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (32), 2 states have call predecessors, (32), 6 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-12-14 09:44:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2067 transitions. [2022-12-14 09:44:40,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-12-14 09:44:40,911 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:44:40,912 INFO L195 NwaCegarLoop]: trace histogram [12, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:44:40,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-12-14 09:44:41,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-12-14 09:44:41,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2022-12-14 09:44:41,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt [2022-12-14 09:44:41,513 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:44:41,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:44:41,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1476408975, now seen corresponding path program 3 times [2022-12-14 09:44:41,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:44:41,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1387223347] [2022-12-14 09:44:41,517 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 09:44:41,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:41,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:44:41,518 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:44:41,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-12-14 09:44:45,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-12-14 09:44:45,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-12-14 09:44:45,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 09:44:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:44:48,704 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 09:44:48,704 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 09:44:48,705 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 09:44:48,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-12-14 09:44:48,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:44:48,916 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2022-12-14 09:44:48,926 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:44:48,965 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,966 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,966 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,966 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,967 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,967 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,967 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,967 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,967 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,968 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,968 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,968 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,968 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,968 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,969 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,969 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,969 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,969 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,969 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,970 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,970 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:48,970 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,970 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:48,970 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,970 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:48,970 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,971 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:48,971 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,971 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,972 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,972 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,972 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,972 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,972 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,972 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,973 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,973 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,973 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,973 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,973 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,974 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:48,974 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,974 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:48,974 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,974 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:48,974 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:48,974 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-12-14 09:44:48,975 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-12-14 09:44:49,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:44:49 BoogieIcfgContainer [2022-12-14 09:44:49,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:44:49,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:44:49,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:44:49,072 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:44:49,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:44:22" (3/4) ... [2022-12-14 09:44:49,074 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 09:44:49,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:44:49,075 INFO L158 Benchmark]: Toolchain (without parser) took 34123.50ms. Allocated memory was 79.7MB in the beginning and 172.0MB in the end (delta: 92.3MB). Free memory was 53.0MB in the beginning and 44.5MB in the end (delta: 8.4MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2022-12-14 09:44:49,075 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:44:49,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1136.41ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.8MB in the beginning and 45.9MB in the end (delta: 6.9MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2022-12-14 09:44:49,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.89ms. Allocated memory is still 96.5MB. Free memory was 45.9MB in the beginning and 35.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 09:44:49,075 INFO L158 Benchmark]: Boogie Preprocessor took 103.60ms. Allocated memory is still 96.5MB. Free memory was 35.8MB in the beginning and 40.9MB in the end (delta: -5.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-12-14 09:44:49,076 INFO L158 Benchmark]: RCFGBuilder took 6334.35ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 40.9MB in the beginning and 51.9MB in the end (delta: -11.0MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-12-14 09:44:49,076 INFO L158 Benchmark]: TraceAbstraction took 26473.18ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 51.3MB in the beginning and 44.5MB in the end (delta: 6.8MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2022-12-14 09:44:49,076 INFO L158 Benchmark]: Witness Printer took 2.78ms. Allocated memory is still 172.0MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:44:49,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 58.7MB. Free memory was 37.0MB in the beginning and 36.9MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1136.41ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 52.8MB in the beginning and 45.9MB in the end (delta: 6.9MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.89ms. Allocated memory is still 96.5MB. Free memory was 45.9MB in the beginning and 35.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.60ms. Allocated memory is still 96.5MB. Free memory was 35.8MB in the beginning and 40.9MB in the end (delta: -5.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 6334.35ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 40.9MB in the beginning and 51.9MB in the end (delta: -11.0MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * TraceAbstraction took 26473.18ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 51.3MB in the beginning and 44.5MB in the end (delta: 6.8MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Witness Printer took 2.78ms. Allocated memory is still 172.0MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4236]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 4024. Possible FailurePath: [L3355] int LDV_IN_INTERRUPT = 1; [L3356] struct block_device *virtblk_fops_group0 ; [L3357] int ldv_state_variable_2 ; [L3358] int ref_cnt ; [L3359] int ldv_state_variable_1 ; [L3360] struct virtio_device *virtio_blk_group0 ; [L3361] int ldv_state_variable_0 ; [L3492] static int major ; [L3493] static int index ; [L3818-L3819] static struct block_device_operations const virtblk_fops = {0, 0, & virtblk_ioctl, 0, 0, 0, 0, 0, 0, & virtblk_getgeo, 0, & __this_module}; [L4018-L4019] static struct virtio_device_id const id_table[2U] = { {2U, 4294967295U}, {0U, 0U}}; [L4020-L4023] static unsigned int features[9U] = { 0U, 2U, 1U, 4U, 5U, 6U, 7U, 9U, 10U}; [L4024-L4025] static struct virtio_driver virtio_blk = {{"virtio_blk", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct virtio_device_id const *)(& id_table), (unsigned int const *)(& features), 9U, & virtblk_probe, & virtblk_remove, 0}; [L4047] struct virtio_device_id const __mod_virtio_device_table ; [L4048] int ldv_retval_0 ; [L4049] int ldv_retval_1 ; [L4283] int ldv_blk_rq = 0; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4072] unsigned long ldvarg1 ; [L4073] fmode_t ldvarg3 ; [L4074] struct hd_geometry *ldvarg0 ; [L4075] void *tmp ; [L4076] unsigned int ldvarg2 ; [L4077] int tmp___0 ; [L4078] int tmp___1 ; [L4079] int tmp___2 ; [L4080] int tmp___3 ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={-9223372036854775506:0}, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4082] CALL, EXPR ldv_init_zalloc(16UL) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={15:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, size=16, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={15:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={15:0}, ref_cnt=0, size=16, tmp={15:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, cond=1, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=16, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={15:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={15:0}, ref_cnt=0, size=16, tmp={15:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); VAL [\old(size)=16, \result={15:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={15:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, p={15:0}, ref_cnt=0, size=16, tmp={15:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4082] RET, EXPR ldv_init_zalloc(16UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(16UL)={15:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg1={-9223372036854775506:0}, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4082] tmp = ldv_init_zalloc(16UL) [L4083] ldvarg0 = (struct hd_geometry *)tmp [L4084] FCALL ldv_initialize() [L4085] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3301] void *tmp ; [L3303] EXPR, FCALL memset(s, c, n) [L3303] tmp = memset(s, c, n) [L3304] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={-9223372036854775506:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, c=0, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, n=8, ref_cnt=0, s={-9223372036854775506:0}, s={-9223372036854775506:0}, tmp={-9223372036854775506:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4085] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={-9223372036854775506:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4086] CALL ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3301] void *tmp ; [L3303] EXPR, FCALL memset(s, c, n) [L3303] tmp = memset(s, c, n) [L3304] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={-9223372036854775416:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, c=0, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, n=4, ref_cnt=0, s={-9223372036854775416:0}, s={-9223372036854775416:0}, tmp={-9223372036854775416:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4086] RET ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 4UL)={-9223372036854775416:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4087] ldvarg2 = __VERIFIER_nondet_ulong () [L4088] ldv_state_variable_1 = 0 [L4089] ref_cnt = 0 [L4090] ldv_state_variable_0 = 1 [L4091] ldv_state_variable_2 = 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg2=1447184708, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg2=1447184708, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, tmp___0=1, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4126] COND TRUE ldv_state_variable_0 != 0 [L4127] tmp___2 = __VERIFIER_nondet_int() [L4129] case 0: [L4137] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg2=1447184708, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, tmp___0=1, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4138] COND TRUE ldv_state_variable_0 == 1 [L4139] CALL, EXPR init() [L4028] int tmp ; [L4030] CALL, EXPR register_blkdev(0U, "virtblk") [L4472] return __VERIFIER_nondet_int(); [L4030] RET, EXPR register_blkdev(0U, "virtblk") [L4030] major = register_blkdev(0U, "virtblk") [L4031] COND FALSE !(major < 0) [L4035] CALL, EXPR register_virtio_driver(& virtio_blk) [L4476] return __VERIFIER_nondet_int(); [L4035] RET, EXPR register_virtio_driver(& virtio_blk) [L4035] tmp = register_virtio_driver(& virtio_blk) [L4036] return (tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, major=0, ref_cnt=0, tmp=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4139] RET, EXPR init() [L4139] ldv_retval_1 = init() [L4140] COND TRUE ldv_retval_1 == 0 [L4141] ldv_state_variable_0 = 3 [L4142] ldv_state_variable_2 = 1 [L4143] CALL ldv_initialize_block_device_operations_2() [L4063] void *tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4065] CALL, EXPR ldv_init_zalloc(464UL) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={20:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, size=464, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={20:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={20:0}, ref_cnt=0, size=464, tmp={20:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, cond=1, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=464, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={20:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={20:0}, ref_cnt=0, size=464, tmp={20:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); VAL [\old(size)=464, \result={20:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={20:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, p={20:0}, ref_cnt=0, size=464, tmp={20:0}, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4065] RET, EXPR ldv_init_zalloc(464UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(464UL)={20:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={0:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4065] tmp = ldv_init_zalloc(464UL) [L4066] virtblk_fops_group0 = (struct block_device *)tmp VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, major=0, ref_cnt=0, tmp={20:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4143] RET ldv_initialize_block_device_operations_2() [L4144] ldv_state_variable_1 = 1 [L4145] CALL ldv_initialize_virtio_driver_1() [L4054] void *tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4056] CALL, EXPR ldv_init_zalloc(1048UL) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3290] void *p ; [L3291] void *tmp ; [L3293] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={24:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=1048, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3293] tmp = calloc(1UL, size) [L3294] p = tmp VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={24:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={24:0}, ref_cnt=0, size=1048, tmp={24:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3249] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, cond=1, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3295] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1048, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={24:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={24:0}, ref_cnt=0, size=1048, tmp={24:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L3296] return (p); VAL [\old(size)=1048, \result={24:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, calloc(1UL, size)={24:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={24:0}, ref_cnt=0, size=1048, tmp={24:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4056] RET, EXPR ldv_init_zalloc(1048UL) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1048UL)={24:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={0:0}] [L4056] tmp = ldv_init_zalloc(1048UL) [L4057] virtio_blk_group0 = (struct virtio_device *)tmp VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, tmp={24:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4145] RET ldv_initialize_virtio_driver_1() [L4148] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg2=1447184708, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, tmp___0=1, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: [L4163] case 2: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg2=1447184708, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, tmp___0=2, tmp___2=1, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4164] COND TRUE ldv_state_variable_2 != 0 [L4165] tmp___3 = __VERIFIER_nondet_int() [L4167] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg2=1447184708, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, tmp___0=2, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4168] COND TRUE ldv_state_variable_2 == 1 [L4169] EXPR \read(ldvarg3) [L4169] EXPR \read(ldvarg1) [L4169] CALL virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L3756] struct gendisk *disk ; [L3757] struct virtio_blk *vblk ; [L3758] void *usr_data ; [L3759] char id_str[20U] ; [L3760] int err ; [L3761] int tmp ; [L3762] bool tmp___0 ; [L3763] int tmp___1 ; [L3764] int tmp___2 ; [L3766] EXPR bdev->bd_disk [L3766] disk = bdev->bd_disk [L3767] EXPR disk->private_data [L3767] vblk = (struct virtio_blk *)disk->private_data [L3768] COND TRUE cmd == 1447184708U [L3769] usr_data = (void *)data [L3770] CALL, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3723] struct virtio_blk *vblk ; [L3724] struct request *req ; [L3725] struct bio *bio ; [L3726] long tmp ; [L3727] long tmp___0 ; [L3728] long tmp___1 ; [L3729] long tmp___2 ; [L3730] int tmp___3 ; [L3732] EXPR disk->private_data [L3732] vblk = (struct virtio_blk *)disk->private_data [L3733] EXPR vblk->disk [L3733] EXPR (vblk->disk)->queue [L3733] CALL, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L4381] CALL, EXPR ldv_malloc(sizeof(struct bio)) VAL [\old(size)=112, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3254] void *p ; [L3255] void *tmp ; [L3256] int tmp___0 ; [L3258] tmp___0 = __VERIFIER_nondet_int() [L3259] COND TRUE tmp___0 != 0 [L3260] return ((void *)0); VAL [\old(size)=112, \result={0:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, size=112, tmp___0=-2147483648, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4381] RET, EXPR ldv_malloc(sizeof(struct bio)) VAL [\old(arg2)=20, \old(arg3)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, arg0={0:0}, arg0={0:0}, arg1={4611686018427388428:0}, arg1={4611686018427388428:0}, arg2=20, arg3=208, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct bio))={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4381] return ldv_malloc(sizeof(struct bio)); [L3733] RET, EXPR bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3733] bio = bio_map_kern((vblk->disk)->queue, (void *)id_str, 20U, 208U) [L3734] CALL, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4242] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={0:0}, ptr={0:0}, ref_cnt=0, tmp=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3734] RET, EXPR IS_ERR((void const *)bio) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, bio={0:0}, disk={0:0}, disk={0:0}, features={13:0}, id_str={4611686018427388428:0}, id_str={4611686018427388428:0}, id_table={12:0}, index=0, IS_ERR((void const *)bio)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, vblk={0:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3734] tmp___0 = IS_ERR((void const *)bio) [L3735] COND FALSE !(tmp___0 != 0L) [L3740] EXPR vblk->disk [L3740] EXPR (vblk->disk)->queue [L3740] CALL, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L4225] struct request *tmp ; [L4227] CALL, EXPR ldv_blk_make_request(ldv_func_arg3) [L4309] struct request *res ; [L4310] long tmp___0 ; VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4312] COND FALSE !(ldv_blk_rq != 0) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4316] CALL, EXPR ldv_malloc(sizeof(struct request)) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3254] void *p ; [L3255] void *tmp ; [L3256] int tmp___0 ; [L3258] tmp___0 = __VERIFIER_nondet_int() [L3259] COND FALSE !(tmp___0 != 0) [L3262] tmp = malloc(size) [L3263] p = tmp VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={264:0}, ref_cnt=0, size=322, tmp={264:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3264] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3249] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, cond=1, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3264] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={264:0}, ref_cnt=0, size=322, tmp={264:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3265] CALL, EXPR IS_ERR(p) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4242] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ptr={264:0}, ref_cnt=0, tmp=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3265] RET, EXPR IS_ERR(p) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, IS_ERR(p)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={264:0}, ref_cnt=0, size=322, tmp={264:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3265] CALL assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3249] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, cond=1, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3265] RET assume_abort_if_not(IS_ERR(p) == 0) VAL [\old(size)=322, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, IS_ERR(p)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={264:0}, ref_cnt=0, size=322, tmp={264:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3266] return (p); VAL [\old(size)=322, \result={264:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, p={264:0}, ref_cnt=0, size=322, tmp={264:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4316] RET, EXPR ldv_malloc(sizeof(struct request)) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct request))={264:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4316] res = ldv_malloc(sizeof(struct request)) [L4317] COND FALSE !((unsigned long )res == (unsigned long )((struct request *)0)) VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, res={264:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4321] CALL, EXPR IS_ERR___0((void const *)res) [L4277] long tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4279] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3333] return (exp); VAL [\old(c)=0, \old(exp)=0, \result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, c=0, exp=0, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4279] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4279] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L4280] return (tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ptr={264:0}, ref_cnt=0, tmp=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4321] RET, EXPR IS_ERR___0((void const *)res) [L4321] tmp___0 = IS_ERR___0((void const *)res) [L4322] COND TRUE tmp___0 == 0L [L4323] ldv_blk_rq = 1 VAL [\old(mask)=208, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, res={264:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4326] return (res); VAL [\old(mask)=208, \result={264:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mask=208, ref_cnt=0, res={264:0}, tmp___0=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4227] RET, EXPR ldv_blk_make_request(ldv_func_arg3) [L4227] tmp = ldv_blk_make_request(ldv_func_arg3) [L4228] return (tmp); VAL [\old(ldv_func_arg3)=208, \result={264:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3=208, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, tmp={264:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3740] RET, EXPR ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3740] req = ldv_blk_make_request_5((vblk->disk)->queue, bio, 208U) [L3741] CALL, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4216] bool tmp ; VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4218] CALL, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4242] return ((unsigned long )ptr > 2012UL); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4218] RET, EXPR ldv_is_err(ptr) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_is_err(ptr)=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ptr={264:0}, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4218] tmp = ldv_is_err(ptr) [L4219] return ((long )tmp); VAL [\result=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ptr={264:0}, ptr={264:0}, ref_cnt=0, tmp=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3741] RET, EXPR IS_ERR((void const *)req) VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, bio={0:0}, disk={0:0}, disk={0:0}, features={13:0}, id_str={4611686018427388428:0}, id_str={4611686018427388428:0}, id_table={12:0}, index=0, IS_ERR((void const *)req)=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, req={264:0}, tmp___0=0, vblk={0:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3741] tmp___2 = IS_ERR((void const *)req) [L3742] COND FALSE !(tmp___2 != 0L) [L3748] req->cmd_type = 7 [L3749] EXPR vblk->disk [L3749] EXPR (vblk->disk)->queue [L3749] EXPR vblk->disk [L3749] CALL, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L4391] return __VERIFIER_nondet_int(); [L3749] RET, EXPR blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3749] tmp___3 = blk_execute_rq((vblk->disk)->queue, vblk->disk, req, 0) [L3750] return (tmp___3); VAL [\result=-2147483648, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, bio={0:0}, disk={0:0}, disk={0:0}, features={13:0}, id_str={4611686018427388428:0}, id_str={4611686018427388428:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, req={264:0}, tmp___0=0, tmp___2=0, tmp___3=-2147483648, vblk={0:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3770] RET, EXPR virtblk_get_id(disk, (char *)(& id_str)) [L3770] err = virtblk_get_id(disk, (char *)(& id_str)) [L3771] COND FALSE !(err == 0) VAL [\old(cmd)=1447184708, \old(data)=0, \old(mode)=0, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, bdev={20:0}, bdev={20:0}, cmd=1447184708, data=0, disk={0:0}, err=-2147483648, features={13:0}, id_str={4611686018427388428:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mode=0, ref_cnt=0, usr_data={0:0}, vblk={0:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L3779] return (err); [L3779] return (err); VAL [\old(cmd)=1447184708, \old(data)=0, \old(mode)=0, \result=-2147483648, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, bdev={20:0}, bdev={20:0}, cmd=1447184708, data=0, disk={0:0}, err=-2147483648, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, mode=0, ref_cnt=0, usr_data={0:0}, vblk={0:0}, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4169] RET virtblk_ioctl(virtblk_fops_group0, ldvarg3, ldvarg2, ldvarg1) [L4170] ldv_state_variable_2 = 1 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg2=1447184708, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, tmp___0=2, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4093] tmp___0 = __VERIFIER_nondet_int() [L4095] case 0: [L4125] case 1: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg2=1447184708, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, tmp___0=1, tmp___2=1, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4126] COND TRUE ldv_state_variable_0 != 0 [L4127] tmp___2 = __VERIFIER_nondet_int() [L4129] case 0: VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg2=1447184708, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4130] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4131] CALL fini() [L4042] FCALL unregister_blkdev((unsigned int )major, "virtblk") [L4043] FCALL unregister_virtio_driver(& virtio_blk) [L4131] RET fini() [L4132] ldv_state_variable_0 = 2 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={15:0}, ldvarg1={-9223372036854775506:0}, ldvarg2=1447184708, ldvarg3={-9223372036854775416:0}, major=0, ref_cnt=0, tmp={15:0}, tmp___0=1, tmp___2=0, tmp___3=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4194] CALL ldv_check_final_state() [L4343] COND TRUE ldv_blk_rq != 0 VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4344] CALL ldv_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] [L4236] reach_error() VAL [__mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={0:0}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, major=0, ref_cnt=0, virtblk_fops={11:0}, virtblk_fops_group0={20:0}, virtio_blk={14:0}, virtio_blk_group0={24:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 458 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.3s, OverallIterations: 9, TraceHistogramMax: 12, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1075 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1075 mSDsluCounter, 17373 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12572 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 237 IncrementalHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 4801 mSDtfsCounter, 237 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4034 GetRequests, 3954 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1573occurred in iteration=8, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 9.0s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 2495 NumberOfCodeBlocks, 2495 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 4011 ConstructedInterpolants, 0 QuantifiedInterpolants, 4792 SizeOfPredicates, 41 NumberOfNonLiveVariables, 11301 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 28 InterpolantComputations, 6 PerfectInterpolantSequences, 2341/2495 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 09:44:49,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36634fdd-26f4-4162-9815-7d1ac9724371/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample