./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 38b53e6a 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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 00:01:54,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:01:54,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:01:54,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:01:54,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:01:54,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:01:54,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:01:54,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:01:54,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:01:54,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:01:54,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:01:54,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:01:54,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:01:54,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:01:54,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:01:54,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:01:54,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:01:54,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:01:54,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:01:54,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:01:54,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:01:54,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:01:54,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:01:54,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:01:54,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:01:54,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:01:54,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:01:54,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:01:54,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:01:54,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:01:54,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:01:54,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:01:54,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:01:54,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:01:54,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:01:54,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:01:54,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:01:54,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:01:54,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:01:54,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:01:54,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:01:54,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:01:54,335 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:01:54,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:01:54,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:01:54,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:01:54,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:01:54,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:01:54,338 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:01:54,338 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:01:54,339 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:01:54,339 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:01:54,339 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:01:54,340 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:01:54,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:01:54,340 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:01:54,340 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:01:54,341 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:01:54,341 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:01:54,341 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:01:54,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:01:54,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:01:54,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:01:54,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:01:54,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:01:54,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:01:54,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:01:54,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:01:54,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:01:54,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:01:54,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:01:54,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:01:54,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:01:54,346 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:01:54,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:01:54,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:01:54,347 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:01:54,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:01:54,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:01:54,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:01:54,348 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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 [2022-11-26 00:01:54,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:01:54,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:01:54,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:01:54,732 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:01:54,733 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:01:54,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/../../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 [2022-11-26 00:01:58,357 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:01:58,905 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:01:58,906 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/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 [2022-11-26 00:01:58,939 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/data/0c7d234d4/ad90f759447a4780b41726723cf6ecf0/FLAG95fbc1804 [2022-11-26 00:01:58,957 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/data/0c7d234d4/ad90f759447a4780b41726723cf6ecf0 [2022-11-26 00:01:58,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:01:58,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:01:58,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:01:58,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:01:58,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:01:58,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:58" (1/1) ... [2022-11-26 00:01:58,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f549d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:58, skipping insertion in model container [2022-11-26 00:01:58,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:58" (1/1) ... [2022-11-26 00:01:58,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:01:59,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:01:59,778 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:01:59,805 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:01:59,844 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:01:59,846 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:01:59,880 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-11-26 00:01:59,993 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,014 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:02:00,023 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-11-26 00:02:00,035 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-11-26 00:02:00,055 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:02:00,059 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-11-26 00:02:00,060 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:02:00,061 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:02:00,061 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-11-26 00:02:00,062 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-11-26 00:02:00,066 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-11-26 00:02:00,076 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-11-26 00:02:00,083 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:02:00,090 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-11-26 00:02:00,091 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-11-26 00:02:00,091 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-11-26 00:02:00,093 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-11-26 00:02:00,099 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-11-26 00:02:00,101 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:02:00,103 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-11-26 00:02:00,109 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-11-26 00:02:00,126 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:02:00,127 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-26 00:02:00,130 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-11-26 00:02:00,132 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-11-26 00:02:00,133 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:02:00,135 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:02:00,138 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:02:00,140 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-11-26 00:02:00,142 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-11-26 00:02:00,143 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-11-26 00:02:00,144 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-11-26 00:02:00,145 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-11-26 00:02:00,146 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-11-26 00:02:00,147 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 00:02:00,147 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 00:02:00,148 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-11-26 00:02:00,150 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-11-26 00:02:00,151 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-11-26 00:02:00,153 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-11-26 00:02:00,154 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-11-26 00:02:00,155 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-26 00:02:00,155 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:02:00,156 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:02:00,157 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:02:00,162 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 00:02:00,163 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 00:02:00,164 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:02:00,164 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:02:00,165 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:02:00,169 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-26 00:02:00,171 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-11-26 00:02:00,174 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 00:02:00,175 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-11-26 00:02:00,184 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:02:00,197 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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/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] [2022-11-26 00:02:00,223 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,229 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,239 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,242 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,245 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,246 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,249 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,250 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,253 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:02:00,276 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:02:00,423 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:02:00,433 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:02:00,448 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:02:00,449 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:02:00,450 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-11-26 00:02:00,461 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,482 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:02:00,488 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-11-26 00:02:00,489 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-11-26 00:02:00,506 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:02:00,516 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-11-26 00:02:00,517 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:02:00,519 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:02:00,519 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-11-26 00:02:00,522 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-11-26 00:02:00,533 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-11-26 00:02:00,552 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-11-26 00:02:00,559 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:02:00,569 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-11-26 00:02:00,573 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-11-26 00:02:00,573 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-11-26 00:02:00,574 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-11-26 00:02:00,577 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-11-26 00:02:00,586 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:02:00,590 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-11-26 00:02:00,604 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-11-26 00:02:00,632 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:02:00,633 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-26 00:02:00,637 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-11-26 00:02:00,638 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-11-26 00:02:00,648 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:02:00,650 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:02:00,653 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:02:00,664 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-11-26 00:02:00,670 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-11-26 00:02:00,672 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-11-26 00:02:00,678 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-11-26 00:02:00,679 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-11-26 00:02:00,680 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-11-26 00:02:00,681 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 00:02:00,681 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 00:02:00,682 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-11-26 00:02:00,686 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-11-26 00:02:00,688 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-11-26 00:02:00,692 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-11-26 00:02:00,695 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-11-26 00:02:00,696 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-26 00:02:00,696 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:02:00,697 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:02:00,701 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:02:00,709 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 00:02:00,710 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 00:02:00,714 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:02:00,715 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:02:00,720 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:02:00,722 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-26 00:02:00,726 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-11-26 00:02:00,727 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 00:02:00,729 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-11-26 00:02:00,730 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:02:00,744 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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/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] [2022-11-26 00:02:00,755 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,757 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,761 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,761 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,765 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,766 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,774 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,775 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,779 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:02:00,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:02:00,837 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:02:00,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00 WrapperNode [2022-11-26 00:02:00,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:02:00,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:02:00,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:02:00,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:02:00,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (1/1) ... [2022-11-26 00:02:00,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (1/1) ... [2022-11-26 00:02:01,102 INFO L138 Inliner]: procedures = 142, calls = 537, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1682 [2022-11-26 00:02:01,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:02:01,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:02:01,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:02:01,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:02:01,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (1/1) ... [2022-11-26 00:02:01,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (1/1) ... [2022-11-26 00:02:01,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (1/1) ... [2022-11-26 00:02:01,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (1/1) ... [2022-11-26 00:02:01,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (1/1) ... [2022-11-26 00:02:01,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (1/1) ... [2022-11-26 00:02:01,254 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (1/1) ... [2022-11-26 00:02:01,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (1/1) ... [2022-11-26 00:02:01,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:02:01,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:02:01,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:02:01,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:02:01,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (1/1) ... [2022-11-26 00:02:01,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:02:01,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:02:01,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:02:01,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:02:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2022-11-26 00:02:01,381 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2022-11-26 00:02:01,381 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2022-11-26 00:02:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2022-11-26 00:02:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:02:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:02:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:02:01,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:02:01,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:02:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2022-11-26 00:02:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2022-11-26 00:02:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-26 00:02:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-11-26 00:02:01,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:02:01,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:02:01,384 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2022-11-26 00:02:01,385 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2022-11-26 00:02:01,385 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2022-11-26 00:02:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2022-11-26 00:02:01,386 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:02:01,386 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:02:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:02:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:02:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:02:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:02:01,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:02:01,387 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2022-11-26 00:02:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2022-11-26 00:02:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-26 00:02:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-26 00:02:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:02:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:02:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:02:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-26 00:02:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-26 00:02:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:02:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:02:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:02:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-11-26 00:02:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-11-26 00:02:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:02:01,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:02:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:02:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:02:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2022-11-26 00:02:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2022-11-26 00:02:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-11-26 00:02:01,391 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-11-26 00:02:01,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:02:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-26 00:02:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-26 00:02:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:02:01,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:02:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:02:01,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:02:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-26 00:02:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-26 00:02:01,393 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2022-11-26 00:02:01,393 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2022-11-26 00:02:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:02:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:02:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:02:01,394 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:02:01,394 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:02:01,957 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:02:01,960 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:02:02,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:02:03,661 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:02:04,474 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:02:04,474 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:02:04,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:04 BoogieIcfgContainer [2022-11-26 00:02:04,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:02:04,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:02:04,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:02:04,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:02:04,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:01:58" (1/3) ... [2022-11-26 00:02:04,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddbc27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:04, skipping insertion in model container [2022-11-26 00:02:04,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:00" (2/3) ... [2022-11-26 00:02:04,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ddbc27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:04, skipping insertion in model container [2022-11-26 00:02:04,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:04" (3/3) ... [2022-11-26 00:02:04,488 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 [2022-11-26 00:02:04,512 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:02:04,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:02:04,581 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:02:04,589 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;@35aa7f62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:02:04,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:02:04,598 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) [2022-11-26 00:02:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-26 00:02:04,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:04,612 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] [2022-11-26 00:02:04,613 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:02:04,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:04,622 INFO L85 PathProgramCache]: Analyzing trace with hash -188483461, now seen corresponding path program 1 times [2022-11-26 00:02:04,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:04,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428427563] [2022-11-26 00:02:04,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:04,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:02:05,244 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:05,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428427563] [2022-11-26 00:02:05,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428427563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:05,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:05,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:02:05,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117095842] [2022-11-26 00:02:05,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:05,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:02:05,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:05,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:02:05,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:02:05,337 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) [2022-11-26 00:02:06,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:06,529 INFO L93 Difference]: Finished difference Result 869 states and 1206 transitions. [2022-11-26 00:02:06,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:02:06,533 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 [2022-11-26 00:02:06,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:06,568 INFO L225 Difference]: With dead ends: 869 [2022-11-26 00:02:06,568 INFO L226 Difference]: Without dead ends: 550 [2022-11-26 00:02:06,577 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 [2022-11-26 00:02:06,590 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 373 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:06,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 747 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-26 00:02:06,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2022-11-26 00:02:06,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 547. [2022-11-26 00:02:06,753 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) [2022-11-26 00:02:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 743 transitions. [2022-11-26 00:02:06,767 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 743 transitions. Word has length 33 [2022-11-26 00:02:06,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:06,768 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 743 transitions. [2022-11-26 00:02:06,769 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) [2022-11-26 00:02:06,769 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 743 transitions. [2022-11-26 00:02:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-26 00:02:06,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:06,773 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] [2022-11-26 00:02:06,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:02:06,774 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:02:06,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:06,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1953885302, now seen corresponding path program 1 times [2022-11-26 00:02:06,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:06,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852843025] [2022-11-26 00:02:06,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:06,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-26 00:02:07,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:07,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852843025] [2022-11-26 00:02:07,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852843025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:07,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:07,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:02:07,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320144372] [2022-11-26 00:02:07,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:07,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:02:07,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:07,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:02:07,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:02:07,040 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) [2022-11-26 00:02:07,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:07,883 INFO L93 Difference]: Finished difference Result 1062 states and 1441 transitions. [2022-11-26 00:02:07,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:02:07,884 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 [2022-11-26 00:02:07,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:07,894 INFO L225 Difference]: With dead ends: 1062 [2022-11-26 00:02:07,894 INFO L226 Difference]: Without dead ends: 1056 [2022-11-26 00:02:07,896 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 [2022-11-26 00:02:07,897 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 359 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:07,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 687 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 00:02:07,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2022-11-26 00:02:08,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1056. [2022-11-26 00:02:08,033 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) [2022-11-26 00:02:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1431 transitions. [2022-11-26 00:02:08,043 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1431 transitions. Word has length 36 [2022-11-26 00:02:08,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:08,044 INFO L495 AbstractCegarLoop]: Abstraction has 1056 states and 1431 transitions. [2022-11-26 00:02:08,044 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) [2022-11-26 00:02:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1431 transitions. [2022-11-26 00:02:08,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-26 00:02:08,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:08,052 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] [2022-11-26 00:02:08,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:02:08,052 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:02:08,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:08,053 INFO L85 PathProgramCache]: Analyzing trace with hash 655814776, now seen corresponding path program 1 times [2022-11-26 00:02:08,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:08,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118927896] [2022-11-26 00:02:08,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:08,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-26 00:02:08,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:08,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118927896] [2022-11-26 00:02:08,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118927896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:08,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:08,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:02:08,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026055050] [2022-11-26 00:02:08,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:08,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:02:08,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:08,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:02:08,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:02:08,224 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) [2022-11-26 00:02:09,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:09,038 INFO L93 Difference]: Finished difference Result 3023 states and 4081 transitions. [2022-11-26 00:02:09,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:02:09,039 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 [2022-11-26 00:02:09,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:09,088 INFO L225 Difference]: With dead ends: 3023 [2022-11-26 00:02:09,088 INFO L226 Difference]: Without dead ends: 1977 [2022-11-26 00:02:09,094 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 [2022-11-26 00:02:09,096 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 326 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:09,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 689 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:02:09,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2022-11-26 00:02:09,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1972. [2022-11-26 00:02:09,274 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) [2022-11-26 00:02:09,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2655 transitions. [2022-11-26 00:02:09,297 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2655 transitions. Word has length 83 [2022-11-26 00:02:09,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:09,298 INFO L495 AbstractCegarLoop]: Abstraction has 1972 states and 2655 transitions. [2022-11-26 00:02:09,298 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) [2022-11-26 00:02:09,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2655 transitions. [2022-11-26 00:02:09,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-26 00:02:09,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:09,308 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] [2022-11-26 00:02:09,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:02:09,309 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:02:09,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:09,309 INFO L85 PathProgramCache]: Analyzing trace with hash -540083471, now seen corresponding path program 1 times [2022-11-26 00:02:09,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:09,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431909703] [2022-11-26 00:02:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:09,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-26 00:02:10,312 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:10,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431909703] [2022-11-26 00:02:10,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431909703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:10,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:02:10,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:02:10,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080543402] [2022-11-26 00:02:10,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:10,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:02:10,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:10,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:02:10,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:02:10,319 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) [2022-11-26 00:02:11,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:11,256 INFO L93 Difference]: Finished difference Result 3021 states and 4106 transitions. [2022-11-26 00:02:11,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:02:11,258 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 [2022-11-26 00:02:11,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:11,281 INFO L225 Difference]: With dead ends: 3021 [2022-11-26 00:02:11,282 INFO L226 Difference]: Without dead ends: 1988 [2022-11-26 00:02:11,288 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 [2022-11-26 00:02:11,295 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 0 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:11,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1257 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:02:11,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-11-26 00:02:11,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1976. [2022-11-26 00:02:11,434 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) [2022-11-26 00:02:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 2673 transitions. [2022-11-26 00:02:11,455 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 2673 transitions. Word has length 113 [2022-11-26 00:02:11,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:11,456 INFO L495 AbstractCegarLoop]: Abstraction has 1976 states and 2673 transitions. [2022-11-26 00:02:11,456 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) [2022-11-26 00:02:11,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2673 transitions. [2022-11-26 00:02:11,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-26 00:02:11,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:11,467 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] [2022-11-26 00:02:11,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:02:11,468 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:02:11,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:11,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1490395360, now seen corresponding path program 1 times [2022-11-26 00:02:11,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:11,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781064708] [2022-11-26 00:02:11,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:11,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-26 00:02:12,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:12,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781064708] [2022-11-26 00:02:12,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781064708] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:02:12,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088598720] [2022-11-26 00:02:12,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:12,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:02:12,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:02:12,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:02:12,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:02:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:12,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:02:12,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:02:12,982 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-26 00:02:12,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:02:12,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088598720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:02:12,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:02:12,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-26 00:02:12,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046518626] [2022-11-26 00:02:12,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:02:12,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:02:12,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:02:12,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:02:12,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:02:12,986 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) [2022-11-26 00:02:13,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:02:13,931 INFO L93 Difference]: Finished difference Result 3942 states and 5336 transitions. [2022-11-26 00:02:13,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:02:13,933 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 [2022-11-26 00:02:13,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:02:13,947 INFO L225 Difference]: With dead ends: 3942 [2022-11-26 00:02:13,948 INFO L226 Difference]: Without dead ends: 1977 [2022-11-26 00:02:13,956 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 [2022-11-26 00:02:13,957 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 1 mSDsluCounter, 630 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:02:13,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 948 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:02:13,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1977 states. [2022-11-26 00:02:14,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1977 to 1977. [2022-11-26 00:02:14,087 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) [2022-11-26 00:02:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1977 states and 2674 transitions. [2022-11-26 00:02:14,113 INFO L78 Accepts]: Start accepts. Automaton has 1977 states and 2674 transitions. Word has length 128 [2022-11-26 00:02:14,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:02:14,114 INFO L495 AbstractCegarLoop]: Abstraction has 1977 states and 2674 transitions. [2022-11-26 00:02:14,116 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) [2022-11-26 00:02:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2674 transitions. [2022-11-26 00:02:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-26 00:02:14,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:02:14,125 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] [2022-11-26 00:02:14,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:02:14,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:02:14,333 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:02:14,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:02:14,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1105224082, now seen corresponding path program 1 times [2022-11-26 00:02:14,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:02:14,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329881736] [2022-11-26 00:02:14,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:14,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:02:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:15,399 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-26 00:02:15,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:02:15,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329881736] [2022-11-26 00:02:15,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329881736] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:02:15,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660711587] [2022-11-26 00:02:15,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:02:15,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:02:15,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:02:15,403 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:02:15,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:02:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:02:16,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-26 00:02:16,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:02:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-11-26 00:02:16,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:02:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-26 00:02:16,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660711587] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:02:16,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1706945717] [2022-11-26 00:02:16,437 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-11-26 00:02:16,438 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:02:16,443 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:02:16,450 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:02:16,450 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:02:17,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:18,089 INFO L321 Elim1Store]: treesize reduction 516, result has 25.3 percent of original size [2022-11-26 00:02:18,090 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 [2022-11-26 00:02:18,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:18,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:18,289 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 [2022-11-26 00:02:19,148 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 [2022-11-26 00:02:19,155 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 [2022-11-26 00:02:19,165 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 [2022-11-26 00:02:19,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,648 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 [2022-11-26 00:02:19,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,776 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 [2022-11-26 00:02:19,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:19,900 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 [2022-11-26 00:02:20,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:20,999 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 [2022-11-26 00:02:21,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:21,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:21,105 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 [2022-11-26 00:02:21,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:21,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:21,165 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 [2022-11-26 00:02:23,374 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 [2022-11-26 00:02:23,383 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 [2022-11-26 00:02:23,391 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 [2022-11-26 00:02:23,452 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:02:23,453 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 [2022-11-26 00:02:23,488 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-26 00:02:23,489 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 [2022-11-26 00:02:23,525 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-26 00:02:23,525 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 [2022-11-26 00:02:23,597 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 [2022-11-26 00:02:23,603 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 [2022-11-26 00:02:23,612 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 [2022-11-26 00:02:24,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,264 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 [2022-11-26 00:02:24,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:24,418 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 [2022-11-26 00:02:24,472 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 [2022-11-26 00:02:24,592 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:02:24,596 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:02:26,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,558 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 [2022-11-26 00:02:26,614 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 [2022-11-26 00:02:26,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:02:26,697 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 [2022-11-26 00:02:26,793 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:02:26,801 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:02:32,083 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 [2022-11-26 00:02:32,114 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 [2022-11-26 00:02:32,173 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:02:32,178 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:02:33,251 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 [2022-11-26 00:02:33,278 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 [2022-11-26 00:02:33,358 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:02:33,360 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:02:38,654 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 [2022-11-26 00:02:38,678 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 [2022-11-26 00:02:38,786 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 [2022-11-26 00:02:38,793 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 [2022-11-26 00:02:39,054 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 [2022-11-26 00:02:39,083 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 [2022-11-26 00:02:39,383 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 [2022-11-26 00:02:39,475 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 [2022-11-26 00:02:47,746 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 [2022-11-26 00:02:47,805 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 [2022-11-26 00:02:50,272 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 [2022-11-26 00:02:50,363 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 [2022-11-26 00:02:51,932 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 [2022-11-26 00:02:52,004 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 13 treesize of output 9 [2022-11-26 00:02:52,162 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 [2022-11-26 00:02:52,470 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 [2022-11-26 00:03:01,789 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:03:01,943 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 [2022-11-26 00:03:02,105 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 [2022-11-26 00:03:05,337 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 [2022-11-26 00:03:05,488 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:03:05,659 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 [2022-11-26 00:03:11,315 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 [2022-11-26 00:03:11,383 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 [2022-11-26 00:03:11,429 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 [2022-11-26 00:03:11,761 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 [2022-11-26 00:03:11,813 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 [2022-11-26 00:03:11,888 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 [2022-11-26 00:03:15,488 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 [2022-11-26 00:03:15,527 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 [2022-11-26 00:03:15,809 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 [2022-11-26 00:03:15,924 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 [2022-11-26 00:03:16,272 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 [2022-11-26 00:03:16,315 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 [2022-11-26 00:03:24,468 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 [2022-11-26 00:03:24,523 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 [2022-11-26 00:03:26,868 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 [2022-11-26 00:03:26,945 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 [2022-11-26 00:03:28,053 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 [2022-11-26 00:03:28,115 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 [2022-11-26 00:03:28,151 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 [2022-11-26 00:03:28,567 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 [2022-11-26 00:03:37,129 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 [2022-11-26 00:03:37,254 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:03:37,397 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 [2022-11-26 00:03:40,140 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 [2022-11-26 00:03:40,276 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:03:40,445 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 [2022-11-26 00:03:45,682 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 [2022-11-26 00:03:45,721 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 [2022-11-26 00:03:45,768 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 [2022-11-26 00:03:45,973 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 [2022-11-26 00:03:46,018 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 [2022-11-26 00:03:46,050 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 [2022-11-26 00:03:49,701 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 [2022-11-26 00:03:49,733 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 [2022-11-26 00:03:50,119 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 [2022-11-26 00:03:50,243 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 [2022-11-26 00:03:50,793 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 [2022-11-26 00:03:50,883 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 [2022-11-26 00:03:54,681 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 [2022-11-26 00:03:54,727 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 [2022-11-26 00:03:54,792 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 [2022-11-26 00:03:57,908 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 80 for LOIs [2022-11-26 00:03:57,926 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 402 for LOIs [2022-11-26 00:03:59,259 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 [2022-11-26 00:03:59,276 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 [2022-11-26 00:03:59,299 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 [2022-11-26 00:03:59,328 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 109 for LOIs [2022-11-26 00:03:59,377 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 [2022-11-26 00:03:59,419 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 [2022-11-26 00:04:00,424 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 130 for LOIs [2022-11-26 00:04:00,448 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 63 for LOIs [2022-11-26 00:04:00,455 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 135 for LOIs [2022-11-26 00:04:01,001 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-26 00:04:01,001 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 [2022-11-26 00:04:01,080 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-26 00:04:01,081 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 [2022-11-26 00:04:01,779 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-26 00:04:01,780 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 [2022-11-26 00:04:01,872 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-26 00:04:01,872 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 [2022-11-26 00:04:04,736 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-26 00:04:04,737 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 [2022-11-26 00:04:04,844 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-26 00:04:04,844 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 [2022-11-26 00:04:05,631 INFO L197 IcfgInterpreter]: Interpreting procedure IS_ERR with input of size 68 for LOIs [2022-11-26 00:04:05,695 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 68 for LOIs [2022-11-26 00:04:05,700 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 103 for LOIs [2022-11-26 00:04:05,731 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:05:21,409 WARN L233 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 302 DAG size of output: 233 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:05:34,733 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 [2022-11-26 00:05:34,734 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:05:34,734 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:05:34,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-26 00:05:34,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115525780] [2022-11-26 00:05:34,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:05:34,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:05:34,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:05:34,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:05:34,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=6088, Unknown=0, NotChecked=0, Total=6480 [2022-11-26 00:05:34,740 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) [2022-11-26 00:05:37,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:05:37,079 INFO L93 Difference]: Finished difference Result 3954 states and 5354 transitions. [2022-11-26 00:05:37,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-26 00:05:37,081 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 [2022-11-26 00:05:37,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:05:37,095 INFO L225 Difference]: With dead ends: 3954 [2022-11-26 00:05:37,096 INFO L226 Difference]: Without dead ends: 1988 [2022-11-26 00:05:37,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 311 SyntacticMatches, 3 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2340 ImplicationChecksByTransitivity, 89.3s TimeCoverageRelationStatistics Valid=453, Invalid=7029, Unknown=0, NotChecked=0, Total=7482 [2022-11-26 00:05:37,108 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 8 mSDsluCounter, 1884 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:05:37,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2201 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-26 00:05:37,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-11-26 00:05:37,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1985. [2022-11-26 00:05:37,226 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) [2022-11-26 00:05:37,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2684 transitions. [2022-11-26 00:05:37,241 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2684 transitions. Word has length 130 [2022-11-26 00:05:37,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:05:37,241 INFO L495 AbstractCegarLoop]: Abstraction has 1985 states and 2684 transitions. [2022-11-26 00:05:37,242 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) [2022-11-26 00:05:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2684 transitions. [2022-11-26 00:05:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-26 00:05:37,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:05:37,248 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] [2022-11-26 00:05:37,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:05:37,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:05:37,457 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:05:37,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:05:37,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1036561728, now seen corresponding path program 2 times [2022-11-26 00:05:37,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:05:37,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276274574] [2022-11-26 00:05:37,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:05:37,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:05:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:05:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-26 00:05:38,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:05:38,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276274574] [2022-11-26 00:05:38,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276274574] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:05:38,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382939961] [2022-11-26 00:05:38,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:05:38,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:05:38,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:05:38,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:05:38,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:05:39,176 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-26 00:05:39,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:05:39,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-26 00:05:39,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:05:39,300 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-26 00:05:39,300 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:05:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-26 00:05:39,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382939961] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:05:39,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1002791833] [2022-11-26 00:05:39,599 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-11-26 00:05:39,599 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:05:39,600 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:05:39,600 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:05:39,601 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:05:40,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:40,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:40,800 INFO L321 Elim1Store]: treesize reduction 516, result has 25.3 percent of original size [2022-11-26 00:05:40,800 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 [2022-11-26 00:05:40,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:40,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:40,918 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 [2022-11-26 00:05:41,370 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 [2022-11-26 00:05:41,374 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 [2022-11-26 00:05:41,381 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 [2022-11-26 00:05:41,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,603 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 [2022-11-26 00:05:41,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,754 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 [2022-11-26 00:05:41,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:41,862 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 [2022-11-26 00:05:42,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,463 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 [2022-11-26 00:05:42,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,572 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 [2022-11-26 00:05:42,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:42,655 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 [2022-11-26 00:05:42,996 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 [2022-11-26 00:05:43,003 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 [2022-11-26 00:05:43,011 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 [2022-11-26 00:05:43,034 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 [2022-11-26 00:05:43,048 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 [2022-11-26 00:05:43,057 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 [2022-11-26 00:05:43,082 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 [2022-11-26 00:05:43,088 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 [2022-11-26 00:05:43,095 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 [2022-11-26 00:05:43,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,283 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 [2022-11-26 00:05:43,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,362 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 [2022-11-26 00:05:43,393 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 [2022-11-26 00:05:43,651 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 [2022-11-26 00:05:43,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,715 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 [2022-11-26 00:05:43,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:43,800 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 [2022-11-26 00:05:44,488 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 [2022-11-26 00:05:44,531 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 [2022-11-26 00:05:44,709 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 [2022-11-26 00:05:44,744 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 [2022-11-26 00:05:45,288 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 [2022-11-26 00:05:45,315 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 [2022-11-26 00:05:45,363 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 [2022-11-26 00:05:45,514 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 [2022-11-26 00:05:45,537 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 [2022-11-26 00:05:45,570 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 [2022-11-26 00:05:46,937 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 [2022-11-26 00:05:46,967 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 [2022-11-26 00:05:47,111 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 [2022-11-26 00:05:47,154 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 [2022-11-26 00:05:47,694 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 [2022-11-26 00:05:47,726 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 [2022-11-26 00:05:47,770 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 [2022-11-26 00:05:47,923 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 [2022-11-26 00:05:47,948 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 [2022-11-26 00:05:47,982 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 [2022-11-26 00:05:49,178 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 [2022-11-26 00:05:49,203 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 [2022-11-26 00:05:49,391 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 [2022-11-26 00:05:49,442 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 [2022-11-26 00:05:50,206 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 [2022-11-26 00:05:50,232 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 [2022-11-26 00:05:50,317 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 [2022-11-26 00:05:50,322 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 [2022-11-26 00:05:50,610 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 [2022-11-26 00:05:50,644 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 [2022-11-26 00:05:50,809 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 [2022-11-26 00:05:50,841 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 [2022-11-26 00:05:54,438 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 [2022-11-26 00:05:54,575 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 [2022-11-26 00:05:54,637 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 [2022-11-26 00:05:54,956 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 [2022-11-26 00:06:05,741 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 [2022-11-26 00:06:05,827 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 [2022-11-26 00:06:10,078 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 [2022-11-26 00:06:10,287 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 [2022-11-26 00:06:12,558 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 [2022-11-26 00:06:12,597 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 [2022-11-26 00:06:12,685 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 [2022-11-26 00:06:12,892 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 [2022-11-26 00:06:12,923 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 [2022-11-26 00:06:13,002 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 [2022-11-26 00:06:14,674 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 [2022-11-26 00:06:14,723 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 [2022-11-26 00:06:14,759 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 [2022-11-26 00:06:15,004 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 [2022-11-26 00:06:15,038 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 [2022-11-26 00:06:15,070 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 [2022-11-26 00:06:15,928 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 [2022-11-26 00:06:15,967 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 [2022-11-26 00:06:16,243 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 [2022-11-26 00:06:16,294 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 [2022-11-26 00:06:16,551 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 [2022-11-26 00:06:16,597 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 [2022-11-26 00:06:24,271 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 [2022-11-26 00:06:24,331 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 [2022-11-26 00:06:26,824 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 [2022-11-26 00:06:26,875 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 [2022-11-26 00:06:28,002 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 [2022-11-26 00:06:28,032 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 [2022-11-26 00:06:28,224 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 [2022-11-26 00:06:28,691 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 [2022-11-26 00:06:40,400 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 [2022-11-26 00:06:40,608 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 [2022-11-26 00:06:44,843 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 [2022-11-26 00:06:44,979 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 [2022-11-26 00:06:47,587 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 [2022-11-26 00:06:47,630 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 [2022-11-26 00:06:47,696 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 [2022-11-26 00:06:47,923 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 [2022-11-26 00:06:47,977 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 [2022-11-26 00:06:48,013 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 [2022-11-26 00:06:50,317 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 [2022-11-26 00:06:50,378 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 [2022-11-26 00:06:50,856 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 [2022-11-26 00:06:50,902 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 [2022-11-26 00:06:51,497 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 [2022-11-26 00:06:51,570 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 [2022-11-26 00:07:00,647 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 [2022-11-26 00:07:00,701 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 [2022-11-26 00:07:00,744 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 19 treesize of output 1 [2022-11-26 00:07:04,353 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 80 for LOIs [2022-11-26 00:07:04,372 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 402 for LOIs [2022-11-26 00:07:05,841 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 [2022-11-26 00:07:05,860 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 [2022-11-26 00:07:05,882 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 [2022-11-26 00:07:05,906 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 113 for LOIs [2022-11-26 00:07:05,966 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 [2022-11-26 00:07:06,003 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 [2022-11-26 00:07:06,983 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 134 for LOIs [2022-11-26 00:07:07,007 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 66 for LOIs [2022-11-26 00:07:07,012 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 135 for LOIs [2022-11-26 00:07:07,602 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-26 00:07:07,602 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 [2022-11-26 00:07:07,687 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-26 00:07:07,687 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 [2022-11-26 00:07:08,404 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-26 00:07:08,405 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 [2022-11-26 00:07:08,487 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-26 00:07:08,488 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 [2022-11-26 00:07:10,761 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-26 00:07:10,762 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 [2022-11-26 00:07:10,834 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-26 00:07:10,834 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 [2022-11-26 00:07:11,626 INFO L197 IcfgInterpreter]: Interpreting procedure IS_ERR with input of size 68 for LOIs [2022-11-26 00:07:11,704 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 68 for LOIs [2022-11-26 00:07:11,710 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 104 for LOIs [2022-11-26 00:07:11,728 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:08:33,504 WARN L233 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 441 DAG size of output: 354 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:08:35,497 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '41287#(and (= ~ldv_state_variable_2~0 1) (= ~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) (not (= ~ldv_blk_rq~0 0)) (<= 0 |#StackHeapBarrier|) (= |~#virtio_blk~0.offset| 0) (= 14 |~#virtio_blk~0.base|) (= |#NULL.base| 0))' at error location [2022-11-26 00:08:35,497 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:08:35,498 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:08:35,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 16 [2022-11-26 00:08:35,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125747630] [2022-11-26 00:08:35,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:08:35,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-26 00:08:35,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:08:35,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-26 00:08:35,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=7039, Unknown=0, NotChecked=0, Total=7482 [2022-11-26 00:08:35,503 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) [2022-11-26 00:08:38,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:08:38,081 INFO L93 Difference]: Finished difference Result 3957 states and 5354 transitions. [2022-11-26 00:08:38,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-26 00:08:38,082 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 [2022-11-26 00:08:38,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:08:38,096 INFO L225 Difference]: With dead ends: 3957 [2022-11-26 00:08:38,096 INFO L226 Difference]: Without dead ends: 1988 [2022-11-26 00:08:38,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 322 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3009 ImplicationChecksByTransitivity, 84.6s TimeCoverageRelationStatistics Valid=592, Invalid=9308, Unknown=0, NotChecked=0, Total=9900 [2022-11-26 00:08:38,109 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 27 mSDsluCounter, 2191 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 2506 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:08:38,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 2506 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-26 00:08:38,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-11-26 00:08:38,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1988. [2022-11-26 00:08:38,205 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) [2022-11-26 00:08:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 2685 transitions. [2022-11-26 00:08:38,217 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 2685 transitions. Word has length 134 [2022-11-26 00:08:38,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:08:38,217 INFO L495 AbstractCegarLoop]: Abstraction has 1988 states and 2685 transitions. [2022-11-26 00:08:38,217 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) [2022-11-26 00:08:38,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2685 transitions. [2022-11-26 00:08:38,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-26 00:08:38,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:08:38,227 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] [2022-11-26 00:08:38,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:08:38,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:08:38,437 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:08:38,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:08:38,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1083591033, now seen corresponding path program 3 times [2022-11-26 00:08:38,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:08:38,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195543398] [2022-11-26 00:08:38,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:08:38,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:08:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:08:39,440 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-26 00:08:39,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:08:39,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195543398] [2022-11-26 00:08:39,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195543398] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:08:39,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315954182] [2022-11-26 00:08:39,441 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-26 00:08:39,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:08:39,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:08:39,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:08:39,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:08:40,423 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-26 00:08:40,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:08:40,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-26 00:08:40,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:08:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 56 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-26 00:08:40,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:08:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-11-26 00:08:40,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315954182] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:08:40,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [109607267] [2022-11-26 00:08:40,970 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-11-26 00:08:40,971 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:08:40,971 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:08:40,971 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:08:40,972 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:08:41,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:41,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:41,717 INFO L321 Elim1Store]: treesize reduction 315, result has 33.7 percent of original size [2022-11-26 00:08:41,717 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 [2022-11-26 00:08:41,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:41,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:42,553 INFO L321 Elim1Store]: treesize reduction 516, result has 25.3 percent of original size [2022-11-26 00:08:42,554 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 [2022-11-26 00:08:42,940 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 [2022-11-26 00:08:42,944 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 [2022-11-26 00:08:42,951 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 [2022-11-26 00:08:43,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,159 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 [2022-11-26 00:08:43,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,207 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 [2022-11-26 00:08:43,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,339 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 [2022-11-26 00:08:43,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,892 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 [2022-11-26 00:08:43,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:43,958 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 [2022-11-26 00:08:44,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:44,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:44,022 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 [2022-11-26 00:08:45,413 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 [2022-11-26 00:08:45,419 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 [2022-11-26 00:08:45,426 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 [2022-11-26 00:08:45,446 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 [2022-11-26 00:08:45,454 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 [2022-11-26 00:08:45,463 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 [2022-11-26 00:08:45,485 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 [2022-11-26 00:08:45,490 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 [2022-11-26 00:08:45,495 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 [2022-11-26 00:08:45,771 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 [2022-11-26 00:08:45,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,833 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 [2022-11-26 00:08:45,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:45,916 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 [2022-11-26 00:08:45,973 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:47,250 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 [2022-11-26 00:08:47,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,318 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 [2022-11-26 00:08:47,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:08:47,404 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 [2022-11-26 00:08:47,453 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:51,176 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 [2022-11-26 00:08:51,215 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 [2022-11-26 00:08:51,258 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:51,264 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:51,977 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 [2022-11-26 00:08:52,005 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 [2022-11-26 00:08:52,054 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:52,057 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:08:55,545 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 [2022-11-26 00:08:55,563 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 [2022-11-26 00:08:55,631 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 [2022-11-26 00:08:55,636 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 [2022-11-26 00:08:55,807 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 [2022-11-26 00:08:55,884 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 [2022-11-26 00:08:56,065 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 [2022-11-26 00:08:56,099 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 [2022-11-26 00:09:01,867 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 [2022-11-26 00:09:01,942 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 [2022-11-26 00:09:03,972 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 [2022-11-26 00:09:04,052 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 [2022-11-26 00:09:10,167 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 [2022-11-26 00:09:10,211 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 [2022-11-26 00:09:10,302 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 [2022-11-26 00:09:10,602 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 [2022-11-26 00:09:16,072 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 [2022-11-26 00:09:16,239 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 [2022-11-26 00:09:17,411 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 [2022-11-26 00:09:17,548 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 [2022-11-26 00:09:20,736 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 [2022-11-26 00:09:20,776 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 [2022-11-26 00:09:20,807 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 [2022-11-26 00:09:20,989 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 [2022-11-26 00:09:21,032 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 [2022-11-26 00:09:21,084 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 [2022-11-26 00:09:23,707 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 [2022-11-26 00:09:23,740 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 [2022-11-26 00:09:24,124 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 [2022-11-26 00:09:24,159 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 [2022-11-26 00:09:24,425 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 [2022-11-26 00:09:24,549 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 [2022-11-26 00:09:31,756 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 [2022-11-26 00:09:31,810 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 [2022-11-26 00:09:34,115 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 [2022-11-26 00:09:34,160 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 [2022-11-26 00:09:38,476 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 [2022-11-26 00:09:38,506 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 [2022-11-26 00:09:38,536 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 [2022-11-26 00:09:38,825 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 [2022-11-26 00:09:44,380 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 [2022-11-26 00:09:44,557 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 [2022-11-26 00:09:45,744 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 [2022-11-26 00:09:45,865 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 [2022-11-26 00:09:49,248 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 [2022-11-26 00:09:49,271 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 [2022-11-26 00:09:49,623 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 [2022-11-26 00:09:49,747 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 [2022-11-26 00:09:50,276 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 [2022-11-26 00:09:50,308 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 [2022-11-26 00:09:52,933 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 [2022-11-26 00:09:53,063 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 [2022-11-26 00:09:53,104 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 [2022-11-26 00:09:56,044 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 80 for LOIs [2022-11-26 00:09:56,061 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 402 for LOIs [2022-11-26 00:09:57,371 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 [2022-11-26 00:09:57,386 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 [2022-11-26 00:09:57,410 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 [2022-11-26 00:09:57,432 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 109 for LOIs [2022-11-26 00:09:57,476 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 [2022-11-26 00:09:57,519 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 [2022-11-26 00:09:58,498 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 130 for LOIs [2022-11-26 00:09:58,520 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_error with input of size 63 for LOIs [2022-11-26 00:09:58,524 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 135 for LOIs [2022-11-26 00:09:59,152 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-26 00:09:59,153 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 [2022-11-26 00:09:59,236 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-26 00:09:59,237 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 [2022-11-26 00:10:00,085 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-26 00:10:00,085 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 [2022-11-26 00:10:00,164 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-26 00:10:00,164 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 [2022-11-26 00:10:02,294 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-11-26 00:10:02,295 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 [2022-11-26 00:10:02,371 INFO L321 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-11-26 00:10:02,371 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 [2022-11-26 00:10:02,887 INFO L197 IcfgInterpreter]: Interpreting procedure IS_ERR with input of size 68 for LOIs [2022-11-26 00:10:02,951 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_is_err with input of size 68 for LOIs [2022-11-26 00:10:02,957 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 103 for LOIs [2022-11-26 00:10:02,975 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:11:20,780 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 300 DAG size of output: 221 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-26 00:11:36,805 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '51334#(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 [2022-11-26 00:11:36,805 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-26 00:11:36,805 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:11:36,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2022-11-26 00:11:36,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105979485] [2022-11-26 00:11:36,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-26 00:11:36,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-26 00:11:36,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:11:36,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-26 00:11:36,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=488, Invalid=8068, Unknown=0, NotChecked=0, Total=8556 [2022-11-26 00:11:36,812 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) [2022-11-26 00:11:40,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:11:40,413 INFO L93 Difference]: Finished difference Result 3963 states and 5360 transitions. [2022-11-26 00:11:40,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-26 00:11:40,415 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 [2022-11-26 00:11:40,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:11:40,430 INFO L225 Difference]: With dead ends: 3963 [2022-11-26 00:11:40,430 INFO L226 Difference]: Without dead ends: 1993 [2022-11-26 00:11:40,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 324 SyntacticMatches, 3 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3118 ImplicationChecksByTransitivity, 94.6s TimeCoverageRelationStatistics Valid=609, Invalid=9291, Unknown=0, NotChecked=0, Total=9900 [2022-11-26 00:11:40,444 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 18 mSDsluCounter, 4396 mSDsCounter, 0 mSdLazyCounter, 1255 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 4713 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:11:40,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 4713 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1255 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-26 00:11:40,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2022-11-26 00:11:40,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1992. [2022-11-26 00:11:40,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1992 states, 1282 states have (on average 1.2581903276131046) internal successors, (1613), 1317 states have internal predecessors, (1613), 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) [2022-11-26 00:11:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2689 transitions. [2022-11-26 00:11:40,568 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2689 transitions. Word has length 137 [2022-11-26 00:11:40,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:11:40,569 INFO L495 AbstractCegarLoop]: Abstraction has 1992 states and 2689 transitions. [2022-11-26 00:11:40,569 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) [2022-11-26 00:11:40,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2689 transitions. [2022-11-26 00:11:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-26 00:11:40,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:11:40,576 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] [2022-11-26 00:11:40,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-26 00:11:40,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:11:40,787 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:11:40,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:11:40,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1054986656, now seen corresponding path program 4 times [2022-11-26 00:11:40,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:11:40,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299518743] [2022-11-26 00:11:40,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:11:40,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:11:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:11:41,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:11:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:11:41,817 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:11:41,818 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:11:41,819 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:11:41,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-26 00:11:41,827 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2022-11-26 00:11:41,833 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:11:41,878 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,885 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,886 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,886 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,887 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,887 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,887 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,887 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,888 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,888 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,888 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,888 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,889 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,889 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,889 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,889 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,890 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,890 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,890 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:11:41,890 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,891 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:11:41,891 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,892 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,893 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,893 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,893 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,893 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,894 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,894 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,894 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,894 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,895 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,895 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:11:41,895 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:41,895 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:11:41,895 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:11:42,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:11:42 BoogieIcfgContainer [2022-11-26 00:11:42,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:11:42,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:11:42,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:11:42,074 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:11:42,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:04" (3/4) ... [2022-11-26 00:11:42,078 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:11:42,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:11:42,079 INFO L158 Benchmark]: Toolchain (without parser) took 583117.54ms. Allocated memory was 184.5MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 133.0MB in the beginning and 909.7MB in the end (delta: -776.7MB). Peak memory consumption was 699.7MB. Max. memory is 16.1GB. [2022-11-26 00:11:42,080 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:11:42,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1879.62ms. Allocated memory is still 184.5MB. Free memory was 132.5MB in the beginning and 73.8MB in the end (delta: 58.7MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2022-11-26 00:11:42,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 258.40ms. Allocated memory is still 184.5MB. Free memory was 73.8MB in the beginning and 133.0MB in the end (delta: -59.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-11-26 00:11:42,081 INFO L158 Benchmark]: Boogie Preprocessor took 174.33ms. Allocated memory is still 184.5MB. Free memory was 133.0MB in the beginning and 121.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:11:42,081 INFO L158 Benchmark]: RCFGBuilder took 3200.08ms. Allocated memory was 184.5MB in the beginning and 255.9MB in the end (delta: 71.3MB). Free memory was 121.5MB in the beginning and 147.8MB in the end (delta: -26.3MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2022-11-26 00:11:42,081 INFO L158 Benchmark]: TraceAbstraction took 577592.97ms. Allocated memory was 255.9MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 147.8MB in the beginning and 909.7MB in the end (delta: -761.9MB). Peak memory consumption was 642.1MB. Max. memory is 16.1GB. [2022-11-26 00:11:42,082 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 1.7GB. Free memory is still 909.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:11:42,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1879.62ms. Allocated memory is still 184.5MB. Free memory was 132.5MB in the beginning and 73.8MB in the end (delta: 58.7MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 258.40ms. Allocated memory is still 184.5MB. Free memory was 73.8MB in the beginning and 133.0MB in the end (delta: -59.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 174.33ms. Allocated memory is still 184.5MB. Free memory was 133.0MB in the beginning and 121.5MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3200.08ms. Allocated memory was 184.5MB in the beginning and 255.9MB in the end (delta: 71.3MB). Free memory was 121.5MB in the beginning and 147.8MB in the end (delta: -26.3MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. * TraceAbstraction took 577592.97ms. Allocated memory was 255.9MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 147.8MB in the beginning and 909.7MB in the end (delta: -761.9MB). Peak memory consumption was 642.1MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 1.7GB. Free memory is still 909.7MB. 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={18446744073709551620:0}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, arg0={18446744073709551622:18446744073709551634}, arg0={18446744073709551622:18446744073709551634}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, bio={0:0}, disk={18446744073709551632:15}, disk={18446744073709551632:15}, 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={-18446744073709549604:-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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, ptr={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, ptr={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, 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={-18446744073709549604:0}, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, ref_cnt=0, size=322, tmp={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, features={13:0}, id_table={12:0}, index=0, ldv_blk_rq=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct request))={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, ptr={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, ptr={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, ptr={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, 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={-18446744073709549604:0}, ptr={-18446744073709549604:0}, 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={18446744073709551628:18446744073709551631}, bio={0:0}, disk={18446744073709551632:15}, disk={18446744073709551632:15}, 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={-18446744073709549604:0}, tmp___0=0, vblk={-18446744073709549604:-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=-14, __mod_virtio_device_table=0, __mod_virtio_device_table=0, __this_module={18446744073709551628:18446744073709551631}, bio={0:0}, disk={18446744073709551632:15}, disk={18446744073709551632:15}, 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={-18446744073709549604:0}, tmp___0=0, tmp___2=0, tmp___3=-14, vblk={-18446744073709549604:-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 FALSE !(err == 0) [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={18446744073709551628:18446744073709551631}, bdev={-18446744073709551617:0}, bdev={-18446744073709551617:0}, cmd=1447184708, copy_to_user(usr_data, (void const *)(& id_str), 20U)=18446744073709551633, data=0, disk={18446744073709551632:15}, 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=-4, usr_data={0:0}, vblk={-18446744073709549604:-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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551620:0}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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={18446744073709551628:18446744073709551631}, 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: 577.3s, OverallIterations: 9, TraceHistogramMax: 12, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.1s, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1112 SdHoareTripleChecker+Valid, 10.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1112 mSDsluCounter, 13748 SdHoareTripleChecker+Invalid, 9.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10975 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3424 IncrementalHoareTripleChecker+Invalid, 3472 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 2773 mSDtfsCounter, 3424 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1392 GetRequests, 1093 SyntacticMatches, 7 SemanticMatches, 292 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8468 ImplicationChecksByTransitivity, 268.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1992occurred in iteration=8, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 24 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 1463 NumberOfCodeBlocks, 1459 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1709 ConstructedInterpolants, 0 QuantifiedInterpolants, 2318 SizeOfPredicates, 12 NumberOfNonLiveVariables, 5051 ConjunctsInSsa, 53 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 [2022-11-26 00:11:42,331 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-26 00:11:42,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 00:11:45,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:11:45,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:11:45,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:11:45,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:11:45,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:11:45,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:11:45,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:11:45,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:11:45,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:11:45,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:11:45,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:11:45,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:11:45,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:11:45,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:11:45,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:11:45,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:11:45,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:11:45,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:11:45,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:11:45,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:11:45,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:11:45,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:11:45,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:11:45,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:11:45,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:11:45,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:11:45,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:11:45,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:11:45,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:11:45,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:11:45,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:11:45,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:11:45,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:11:45,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:11:45,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:11:45,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:11:45,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:11:45,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:11:45,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:11:45,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:11:45,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-26 00:11:45,777 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:11:45,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:11:45,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:11:45,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:11:45,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:11:45,781 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:11:45,782 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:11:45,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:11:45,782 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:11:45,783 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:11:45,784 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:11:45,784 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:11:45,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:11:45,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:11:45,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:11:45,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:11:45,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:11:45,787 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:11:45,787 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:11:45,788 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:11:45,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:11:45,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:11:45,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:11:45,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:11:45,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:11:45,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:11:45,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:11:45,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:11:45,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:11:45,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:11:45,791 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:11:45,792 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:11:45,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:11:45,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:11:45,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:11:45,793 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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8946ad2f029076f7c4f90de60a8c48e069f80fec06a0c6d7a5dc3a1fc4182879 [2022-11-26 00:11:46,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:11:46,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:11:46,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:11:46,311 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:11:46,312 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:11:46,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/../../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 [2022-11-26 00:11:49,970 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:11:50,600 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:11:50,603 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/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 [2022-11-26 00:11:50,659 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/data/14ee76b88/c146157136be4d7fb5bdbeb78d4bea91/FLAG76daf3100 [2022-11-26 00:11:50,688 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/data/14ee76b88/c146157136be4d7fb5bdbeb78d4bea91 [2022-11-26 00:11:50,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:11:50,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:11:50,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:11:50,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:11:50,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:11:50,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:11:50" (1/1) ... [2022-11-26 00:11:50,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29554b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:50, skipping insertion in model container [2022-11-26 00:11:50,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:11:50" (1/1) ... [2022-11-26 00:11:50,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:11:50,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:11:51,593 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:11:51,627 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:11:51,683 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:11:51,684 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:11:51,718 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-11-26 00:11:51,917 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:51,944 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:11:51,961 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-11-26 00:11:51,978 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-11-26 00:11:52,007 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:11:52,012 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-11-26 00:11:52,013 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:11:52,013 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:11:52,014 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-11-26 00:11:52,016 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-11-26 00:11:52,028 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-11-26 00:11:52,048 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-11-26 00:11:52,066 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:11:52,074 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-11-26 00:11:52,076 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-11-26 00:11:52,078 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-11-26 00:11:52,080 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-11-26 00:11:52,093 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-11-26 00:11:52,097 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:11:52,100 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-11-26 00:11:52,108 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-11-26 00:11:52,130 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:11:52,134 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-26 00:11:52,144 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-11-26 00:11:52,147 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-11-26 00:11:52,153 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:11:52,157 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:11:52,163 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:11:52,172 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-11-26 00:11:52,174 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-11-26 00:11:52,175 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-11-26 00:11:52,176 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-11-26 00:11:52,178 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-11-26 00:11:52,178 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-11-26 00:11:52,179 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 00:11:52,180 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 00:11:52,181 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-11-26 00:11:52,184 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-11-26 00:11:52,187 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-11-26 00:11:52,189 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-11-26 00:11:52,190 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-11-26 00:11:52,192 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-26 00:11:52,193 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:11:52,199 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:11:52,200 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:11:52,205 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 00:11:52,207 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 00:11:52,208 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:11:52,208 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:11:52,209 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:11:52,217 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-26 00:11:52,219 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-11-26 00:11:52,222 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 00:11:52,225 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-11-26 00:11:52,237 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:11:52,255 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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/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] [2022-11-26 00:11:52,276 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,284 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,292 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,293 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,294 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,295 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,303 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,304 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,310 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:11:52,341 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-26 00:11:52,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:11:52,494 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:11:52,511 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:11:52,515 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:11:52,515 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:11:52,517 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-11-26 00:11:52,544 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,550 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:11:52,568 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-11-26 00:11:52,569 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-11-26 00:11:52,574 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:11:52,576 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-11-26 00:11:52,578 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:11:52,579 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:11:52,580 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-11-26 00:11:52,581 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-11-26 00:11:52,586 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-11-26 00:11:52,592 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-11-26 00:11:52,599 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:11:52,609 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-11-26 00:11:52,609 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-11-26 00:11:52,610 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-11-26 00:11:52,611 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-11-26 00:11:52,615 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-11-26 00:11:52,619 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:11:52,620 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-11-26 00:11:52,625 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-11-26 00:11:52,639 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:11:52,641 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-26 00:11:52,643 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-11-26 00:11:52,644 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-11-26 00:11:52,647 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:11:52,649 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:11:52,652 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:11:52,659 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-11-26 00:11:52,660 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-11-26 00:11:52,663 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-11-26 00:11:52,664 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-11-26 00:11:52,665 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-11-26 00:11:52,665 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-11-26 00:11:52,666 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 00:11:52,666 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 00:11:52,667 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-11-26 00:11:52,668 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-11-26 00:11:52,669 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-11-26 00:11:52,670 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-11-26 00:11:52,671 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-11-26 00:11:52,672 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-26 00:11:52,672 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:11:52,674 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:11:52,674 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:11:52,679 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 00:11:52,679 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 00:11:52,680 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:11:52,680 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:11:52,681 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:11:52,684 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-26 00:11:52,686 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-11-26 00:11:52,688 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 00:11:52,691 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-11-26 00:11:52,693 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:11:52,701 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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/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] [2022-11-26 00:11:52,705 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,715 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,718 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,719 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,721 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,721 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,724 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,725 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,729 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:11:52,755 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:11:52,886 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:11:52,889 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:11:52,892 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:11:52,893 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:11:52,897 WARN L623 FunctionHandler]: Unknown extern function mempool_create [2022-11-26 00:11:52,916 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:52,923 WARN L623 FunctionHandler]: Unknown extern function __phys_addr [2022-11-26 00:11:52,925 WARN L623 FunctionHandler]: Unknown extern function virtqueue_add_buf_gfp [2022-11-26 00:11:52,927 WARN L623 FunctionHandler]: Unknown extern function virtio_check_driver_offered_feature [2022-11-26 00:11:52,941 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:11:52,944 WARN L623 FunctionHandler]: Unknown extern function __blk_end_request_all [2022-11-26 00:11:52,945 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-26 00:11:52,945 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:11:52,953 WARN L623 FunctionHandler]: Unknown extern function virtqueue_get_buf [2022-11-26 00:11:52,953 WARN L623 FunctionHandler]: Unknown extern function blk_start_queue [2022-11-26 00:11:52,969 WARN L623 FunctionHandler]: Unknown extern function mempool_alloc [2022-11-26 00:11:52,973 WARN L623 FunctionHandler]: Unknown extern function blk_rq_map_sg [2022-11-26 00:11:52,986 WARN L623 FunctionHandler]: Unknown extern function mempool_free [2022-11-26 00:11:52,988 WARN L623 FunctionHandler]: Unknown extern function blk_stop_queue [2022-11-26 00:11:52,988 WARN L623 FunctionHandler]: Unknown extern function blk_start_request [2022-11-26 00:11:52,989 WARN L623 FunctionHandler]: Unknown extern function blk_peek_request [2022-11-26 00:11:52,989 WARN L623 FunctionHandler]: Unknown extern function virtqueue_kick [2022-11-26 00:11:52,991 WARN L623 FunctionHandler]: Unknown extern function bio_map_kern [2022-11-26 00:11:53,000 WARN L623 FunctionHandler]: Unknown extern function bio_put [2022-11-26 00:11:53,004 WARN L623 FunctionHandler]: Unknown extern function blk_execute_rq [2022-11-26 00:11:53,016 WARN L623 FunctionHandler]: Unknown extern function scsi_cmd_ioctl [2022-11-26 00:11:53,049 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:11:53,051 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-26 00:11:53,052 WARN L623 FunctionHandler]: Unknown extern function alloc_disk [2022-11-26 00:11:53,053 WARN L623 FunctionHandler]: Unknown extern function blk_init_queue [2022-11-26 00:11:53,061 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:11:53,062 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:11:53,063 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-26 00:11:53,068 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-11-26 00:11:53,072 WARN L623 FunctionHandler]: Unknown extern function blk_queue_ordered [2022-11-26 00:11:53,073 WARN L623 FunctionHandler]: Unknown extern function set_disk_ro [2022-11-26 00:11:53,076 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segments [2022-11-26 00:11:53,077 WARN L623 FunctionHandler]: Unknown extern function blk_queue_bounce_limit [2022-11-26 00:11:53,077 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_hw_sectors [2022-11-26 00:11:53,080 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 00:11:53,080 WARN L623 FunctionHandler]: Unknown extern function blk_queue_max_segment_size [2022-11-26 00:11:53,081 WARN L623 FunctionHandler]: Unknown extern function blk_queue_logical_block_size [2022-11-26 00:11:53,082 WARN L623 FunctionHandler]: Unknown extern function blk_queue_physical_block_size [2022-11-26 00:11:53,084 WARN L623 FunctionHandler]: Unknown extern function blk_queue_alignment_offset [2022-11-26 00:11:53,085 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_min [2022-11-26 00:11:53,086 WARN L623 FunctionHandler]: Unknown extern function blk_queue_io_opt [2022-11-26 00:11:53,086 WARN L623 FunctionHandler]: Unknown extern function add_disk [2022-11-26 00:11:53,086 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:11:53,087 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:11:53,090 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:11:53,094 WARN L623 FunctionHandler]: Unknown extern function del_gendisk [2022-11-26 00:11:53,095 WARN L623 FunctionHandler]: Unknown extern function blk_cleanup_queue [2022-11-26 00:11:53,098 WARN L623 FunctionHandler]: Unknown extern function put_disk [2022-11-26 00:11:53,099 WARN L623 FunctionHandler]: Unknown extern function mempool_destroy [2022-11-26 00:11:53,102 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:11:53,104 WARN L623 FunctionHandler]: Unknown extern function register_blkdev [2022-11-26 00:11:53,105 WARN L623 FunctionHandler]: Unknown extern function register_virtio_driver [2022-11-26 00:11:53,106 WARN L623 FunctionHandler]: Unknown extern function unregister_blkdev [2022-11-26 00:11:53,107 WARN L623 FunctionHandler]: Unknown extern function unregister_virtio_driver [2022-11-26 00:11:53,108 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-26 00:11:53,112 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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/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] [2022-11-26 00:11:53,114 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:53,115 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:53,118 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:53,118 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:53,121 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:53,121 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:53,123 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:53,123 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:53,125 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-26 00:11:53,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:11:53,207 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:11:53,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53 WrapperNode [2022-11-26 00:11:53,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:11:53,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:11:53,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:11:53,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:11:53,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (1/1) ... [2022-11-26 00:11:53,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (1/1) ... [2022-11-26 00:11:53,421 INFO L138 Inliner]: procedures = 149, calls = 537, calls flagged for inlining = 83, calls inlined = 83, statements flattened = 1621 [2022-11-26 00:11:53,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:11:53,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:11:53,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:11:53,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:11:53,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (1/1) ... [2022-11-26 00:11:53,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (1/1) ... [2022-11-26 00:11:53,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (1/1) ... [2022-11-26 00:11:53,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (1/1) ... [2022-11-26 00:11:53,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (1/1) ... [2022-11-26 00:11:53,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (1/1) ... [2022-11-26 00:11:53,597 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (1/1) ... [2022-11-26 00:11:53,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (1/1) ... [2022-11-26 00:11:53,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:11:53,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:11:53,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:11:53,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:11:53,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (1/1) ... [2022-11-26 00:11:53,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:11:53,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:11:53,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:11:53,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:11:53,808 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_segment_size [2022-11-26 00:11:53,809 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_max_segment_size [2022-11-26 00:11:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-26 00:11:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-26 00:11:53,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 00:11:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_config_buf [2022-11-26 00:11:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_config_buf [2022-11-26 00:11:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-26 00:11:53,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-26 00:11:53,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-26 00:11:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-26 00:11:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-26 00:11:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-11-26 00:11:53,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~X~C_UINT~TO~VOID [2022-11-26 00:11:53,811 INFO L130 BoogieDeclarations]: Found specification of procedure req_get_ioprio [2022-11-26 00:11:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure req_get_ioprio [2022-11-26 00:11:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:11:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:11:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2022-11-26 00:11:53,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2022-11-26 00:11:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_buf [2022-11-26 00:11:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_buf [2022-11-26 00:11:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:11:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:11:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:11:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:11:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:11:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:11:53,814 INFO L130 BoogieDeclarations]: Found specification of procedure index_to_minor [2022-11-26 00:11:53,814 INFO L138 BoogieDeclarations]: Found implementation of procedure index_to_minor [2022-11-26 00:11:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-26 00:11:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-26 00:11:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:11:53,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:11:53,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:11:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-26 00:11:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-26 00:11:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:11:53,816 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:11:53,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:11:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure virtio_has_feature [2022-11-26 00:11:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure virtio_has_feature [2022-11-26 00:11:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:11:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:11:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:11:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:11:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure virtblk_remove [2022-11-26 00:11:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure virtblk_remove [2022-11-26 00:11:53,818 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2022-11-26 00:11:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2022-11-26 00:11:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:11:53,819 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-26 00:11:53,819 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-26 00:11:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-26 00:11:53,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-26 00:11:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-26 00:11:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-26 00:11:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-26 00:11:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:11:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 00:11:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:11:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:11:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-26 00:11:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2022-11-26 00:11:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure put_disk [2022-11-26 00:11:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_ordered [2022-11-26 00:11:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_ordered [2022-11-26 00:11:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:11:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:11:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:11:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:11:54,513 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:11:54,516 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:11:59,369 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-26 00:12:03,774 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:12:03,800 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:12:03,804 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:12:03,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:12:03 BoogieIcfgContainer [2022-11-26 00:12:03,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:12:03,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:12:03,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:12:03,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:12:03,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:11:50" (1/3) ... [2022-11-26 00:12:03,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e424dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:12:03, skipping insertion in model container [2022-11-26 00:12:03,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:53" (2/3) ... [2022-11-26 00:12:03,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e424dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:12:03, skipping insertion in model container [2022-11-26 00:12:03,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:12:03" (3/3) ... [2022-11-26 00:12:03,828 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 [2022-11-26 00:12:03,851 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:12:03,852 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:12:03,954 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:12:03,964 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;@1bd86973, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:12:03,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:12:03,976 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) [2022-11-26 00:12:03,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-26 00:12:03,992 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:03,993 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] [2022-11-26 00:12:03,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:04,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:04,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1119521097, now seen corresponding path program 1 times [2022-11-26 00:12:04,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:12:04,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1031647797] [2022-11-26 00:12:04,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:04,027 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 [2022-11-26 00:12:04,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:12:04,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:12:04,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:04,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 00:12:04,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:04,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:12:04,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:12:04,727 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:12:04,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1031647797] [2022-11-26 00:12:04,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1031647797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:04,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:04,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:12:04,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754766494] [2022-11-26 00:12:04,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:04,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:12:04,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:12:04,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:12:04,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:12:04,794 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) [2022-11-26 00:12:04,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:04,908 INFO L93 Difference]: Finished difference Result 909 states and 1235 transitions. [2022-11-26 00:12:04,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:12:04,911 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 [2022-11-26 00:12:04,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:04,941 INFO L225 Difference]: With dead ends: 909 [2022-11-26 00:12:04,941 INFO L226 Difference]: Without dead ends: 439 [2022-11-26 00:12:04,955 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 [2022-11-26 00:12:04,959 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 [2022-11-26 00:12:04,960 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] [2022-11-26 00:12:04,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2022-11-26 00:12:05,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2022-11-26 00:12:05,044 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) [2022-11-26 00:12:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 578 transitions. [2022-11-26 00:12:05,051 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 578 transitions. Word has length 46 [2022-11-26 00:12:05,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:05,052 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 578 transitions. [2022-11-26 00:12:05,052 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) [2022-11-26 00:12:05,053 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 578 transitions. [2022-11-26 00:12:05,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-26 00:12:05,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:05,056 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] [2022-11-26 00:12:05,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:05,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:05,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:05,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:05,276 INFO L85 PathProgramCache]: Analyzing trace with hash 275515595, now seen corresponding path program 1 times [2022-11-26 00:12:05,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:12:05,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83354739] [2022-11-26 00:12:05,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:05,277 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 [2022-11-26 00:12:05,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:12:05,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:12:05,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:05,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:12:05,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:12:05,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:12:05,998 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:12:05,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83354739] [2022-11-26 00:12:05,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83354739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:05,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:12:05,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:12:05,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101835715] [2022-11-26 00:12:06,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:06,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:12:06,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:12:06,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:12:06,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:12:06,003 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) [2022-11-26 00:12:06,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:06,148 INFO L93 Difference]: Finished difference Result 876 states and 1154 transitions. [2022-11-26 00:12:06,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:12:06,149 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 [2022-11-26 00:12:06,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:06,154 INFO L225 Difference]: With dead ends: 876 [2022-11-26 00:12:06,154 INFO L226 Difference]: Without dead ends: 440 [2022-11-26 00:12:06,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:12:06,158 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:06,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1723 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:12:06,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-11-26 00:12:06,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 440. [2022-11-26 00:12:06,192 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) [2022-11-26 00:12:06,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 579 transitions. [2022-11-26 00:12:06,201 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 579 transitions. Word has length 46 [2022-11-26 00:12:06,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:06,203 INFO L495 AbstractCegarLoop]: Abstraction has 440 states and 579 transitions. [2022-11-26 00:12:06,203 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) [2022-11-26 00:12:06,204 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 579 transitions. [2022-11-26 00:12:06,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-26 00:12:06,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:06,208 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] [2022-11-26 00:12:06,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:06,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:06,423 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:06,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:06,424 INFO L85 PathProgramCache]: Analyzing trace with hash 204883235, now seen corresponding path program 1 times [2022-11-26 00:12:06,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:12:06,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329797141] [2022-11-26 00:12:06,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:06,425 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 [2022-11-26 00:12:06,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:12:06,428 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:12:06,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:06,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:12:06,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:07,108 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:12:07,108 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:12:07,466 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:12:07,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329797141] [2022-11-26 00:12:07,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329797141] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:07,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [425476722] [2022-11-26 00:12:07,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:07,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 00:12:07,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 00:12:07,471 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 00:12:07,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-11-26 00:12:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:08,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:12:08,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:12:08,343 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:12:08,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [425476722] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:08,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:12:08,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 9 [2022-11-26 00:12:08,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528593138] [2022-11-26 00:12:08,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:08,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:12:08,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:12:08,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:12:08,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:12:08,346 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) [2022-11-26 00:12:08,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:08,437 INFO L93 Difference]: Finished difference Result 857 states and 1129 transitions. [2022-11-26 00:12:08,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:12:08,438 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 [2022-11-26 00:12:08,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:08,447 INFO L225 Difference]: With dead ends: 857 [2022-11-26 00:12:08,447 INFO L226 Difference]: Without dead ends: 848 [2022-11-26 00:12:08,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:12:08,452 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 [2022-11-26 00:12:08,454 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] [2022-11-26 00:12:08,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2022-11-26 00:12:08,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 848. [2022-11-26 00:12:08,559 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) [2022-11-26 00:12:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 848 states and 1118 transitions. [2022-11-26 00:12:08,569 INFO L78 Accepts]: Start accepts. Automaton has 848 states and 1118 transitions. Word has length 48 [2022-11-26 00:12:08,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:08,570 INFO L495 AbstractCegarLoop]: Abstraction has 848 states and 1118 transitions. [2022-11-26 00:12:08,570 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) [2022-11-26 00:12:08,570 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1118 transitions. [2022-11-26 00:12:08,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-26 00:12:08,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:08,586 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] [2022-11-26 00:12:08,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:08,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:08,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:08,992 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:08,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:08,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1655512125, now seen corresponding path program 1 times [2022-11-26 00:12:08,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:12:08,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655674870] [2022-11-26 00:12:08,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:08,995 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 [2022-11-26 00:12:08,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:12:08,997 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:12:09,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:09,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:12:09,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:09,897 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-26 00:12:09,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:10,250 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-26 00:12:10,251 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:12:10,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655674870] [2022-11-26 00:12:10,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655674870] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:10,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1609044145] [2022-11-26 00:12:10,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:10,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 00:12:10,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 00:12:10,254 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 00:12:10,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-26 00:12:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:11,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:12:11,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-26 00:12:11,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:12:11,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1609044145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:11,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:12:11,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-26 00:12:11,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424728199] [2022-11-26 00:12:11,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:11,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:12:11,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:12:11,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:12:11,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:12:11,076 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) [2022-11-26 00:12:11,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:11,315 INFO L93 Difference]: Finished difference Result 2393 states and 3151 transitions. [2022-11-26 00:12:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:12:11,316 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 [2022-11-26 00:12:11,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:11,333 INFO L225 Difference]: With dead ends: 2393 [2022-11-26 00:12:11,333 INFO L226 Difference]: Without dead ends: 1560 [2022-11-26 00:12:11,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:12:11,342 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 [2022-11-26 00:12:11,343 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] [2022-11-26 00:12:11,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2022-11-26 00:12:11,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1552. [2022-11-26 00:12:11,480 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) [2022-11-26 00:12:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 2042 transitions. [2022-11-26 00:12:11,493 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 2042 transitions. Word has length 109 [2022-11-26 00:12:11,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:11,494 INFO L495 AbstractCegarLoop]: Abstraction has 1552 states and 2042 transitions. [2022-11-26 00:12:11,494 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) [2022-11-26 00:12:11,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 2042 transitions. [2022-11-26 00:12:11,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-26 00:12:11,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:11,501 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] [2022-11-26 00:12:11,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:11,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:11,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt [2022-11-26 00:12:11,926 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:11,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1260551148, now seen corresponding path program 1 times [2022-11-26 00:12:11,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:12:11,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1675908124] [2022-11-26 00:12:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:11,929 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 [2022-11-26 00:12:11,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:12:11,930 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:12:11,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:12,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:12:12,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:12,806 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-26 00:12:12,806 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-26 00:12:13,206 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:12:13,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1675908124] [2022-11-26 00:12:13,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1675908124] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:13,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [329847448] [2022-11-26 00:12:13,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:13,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 00:12:13,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 00:12:13,208 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 00:12:13,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2022-11-26 00:12:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:14,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:12:14,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-26 00:12:14,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:12:14,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [329847448] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:14,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-26 00:12:14,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2022-11-26 00:12:14,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061806365] [2022-11-26 00:12:14,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:14,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:12:14,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:12:14,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:12:14,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:12:14,250 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) [2022-11-26 00:12:14,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:14,459 INFO L93 Difference]: Finished difference Result 3089 states and 4093 transitions. [2022-11-26 00:12:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:12:14,460 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 [2022-11-26 00:12:14,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:14,474 INFO L225 Difference]: With dead ends: 3089 [2022-11-26 00:12:14,475 INFO L226 Difference]: Without dead ends: 1560 [2022-11-26 00:12:14,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:12:14,482 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 [2022-11-26 00:12:14,483 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] [2022-11-26 00:12:14,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2022-11-26 00:12:14,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1554. [2022-11-26 00:12:14,615 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) [2022-11-26 00:12:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1554 states and 2051 transitions. [2022-11-26 00:12:14,632 INFO L78 Accepts]: Start accepts. Automaton has 1554 states and 2051 transitions. Word has length 155 [2022-11-26 00:12:14,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:14,635 INFO L495 AbstractCegarLoop]: Abstraction has 1554 states and 2051 transitions. [2022-11-26 00:12:14,635 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) [2022-11-26 00:12:14,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2051 transitions. [2022-11-26 00:12:14,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-26 00:12:14,647 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:14,647 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] [2022-11-26 00:12:14,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:14,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:15,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt [2022-11-26 00:12:15,073 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:15,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:15,073 INFO L85 PathProgramCache]: Analyzing trace with hash 135573017, now seen corresponding path program 1 times [2022-11-26 00:12:15,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:12:15,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705585282] [2022-11-26 00:12:15,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:15,075 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 [2022-11-26 00:12:15,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:12:15,076 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:12:15,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:15,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:12:15,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-26 00:12:15,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-26 00:12:16,324 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:12:16,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705585282] [2022-11-26 00:12:16,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705585282] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:16,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [445954216] [2022-11-26 00:12:16,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:16,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 00:12:16,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 00:12:16,331 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 00:12:16,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-11-26 00:12:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:17,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:12:17,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-26 00:12:17,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-26 00:12:18,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [445954216] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:18,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852499276] [2022-11-26 00:12:18,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:18,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:12:18,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:12:18,230 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:12:18,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-26 00:12:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:18,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:12:18,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:18,949 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-26 00:12:18,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:12:18,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852499276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:12:18,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-26 00:12:18,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5, 5] total 10 [2022-11-26 00:12:18,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424694934] [2022-11-26 00:12:18,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:12:18,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:12:18,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:12:18,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:12:18,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:12:18,954 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) [2022-11-26 00:12:19,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:19,170 INFO L93 Difference]: Finished difference Result 3100 states and 4096 transitions. [2022-11-26 00:12:19,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:12:19,171 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 [2022-11-26 00:12:19,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:19,186 INFO L225 Difference]: With dead ends: 3100 [2022-11-26 00:12:19,186 INFO L226 Difference]: Without dead ends: 1565 [2022-11-26 00:12:19,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 871 GetRequests, 862 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-26 00:12:19,194 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 10 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:19,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1727 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:12:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-11-26 00:12:19,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1557. [2022-11-26 00:12:19,274 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) [2022-11-26 00:12:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2052 transitions. [2022-11-26 00:12:19,320 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2052 transitions. Word has length 175 [2022-11-26 00:12:19,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:19,321 INFO L495 AbstractCegarLoop]: Abstraction has 1557 states and 2052 transitions. [2022-11-26 00:12:19,321 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) [2022-11-26 00:12:19,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2052 transitions. [2022-11-26 00:12:19,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-26 00:12:19,328 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:19,328 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] [2022-11-26 00:12:19,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:19,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:19,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:19,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:12:19,953 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:19,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:19,954 INFO L85 PathProgramCache]: Analyzing trace with hash 666316361, now seen corresponding path program 1 times [2022-11-26 00:12:19,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:12:19,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621315887] [2022-11-26 00:12:19,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:19,955 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 [2022-11-26 00:12:19,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:12:19,956 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:12:19,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:20,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:12:20,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-26 00:12:20,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-26 00:12:21,176 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:12:21,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621315887] [2022-11-26 00:12:21,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621315887] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:21,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [346870137] [2022-11-26 00:12:21,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:21,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 00:12:21,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 00:12:21,179 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 00:12:21,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2022-11-26 00:12:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:22,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:12:22,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:22,623 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-26 00:12:22,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-26 00:12:22,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [346870137] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:22,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497597197] [2022-11-26 00:12:22,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:12:22,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:12:22,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:12:22,849 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:12:22,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-26 00:12:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:12:23,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:12:23,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 44 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-11-26 00:12:23,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:23,859 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-11-26 00:12:23,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497597197] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:23,859 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-26 00:12:23,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-11-26 00:12:23,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228702734] [2022-11-26 00:12:23,860 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-26 00:12:23,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:12:23,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:12:23,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:12:23,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:12:23,867 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) [2022-11-26 00:12:24,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:24,428 INFO L93 Difference]: Finished difference Result 3111 states and 4105 transitions. [2022-11-26 00:12:24,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-26 00:12:24,430 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 [2022-11-26 00:12:24,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:24,442 INFO L225 Difference]: With dead ends: 3111 [2022-11-26 00:12:24,442 INFO L226 Difference]: Without dead ends: 1567 [2022-11-26 00:12:24,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1054 GetRequests, 1044 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-26 00:12:24,450 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 7 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:24,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2869 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:12:24,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states. [2022-11-26 00:12:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1567. [2022-11-26 00:12:24,565 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) [2022-11-26 00:12:24,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 2064 transitions. [2022-11-26 00:12:24,581 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 2064 transitions. Word has length 176 [2022-11-26 00:12:24,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:24,581 INFO L495 AbstractCegarLoop]: Abstraction has 1567 states and 2064 transitions. [2022-11-26 00:12:24,582 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) [2022-11-26 00:12:24,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2064 transitions. [2022-11-26 00:12:24,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-26 00:12:24,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:24,590 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] [2022-11-26 00:12:24,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:24,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:25,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:25,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:12:25,202 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:25,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:25,203 INFO L85 PathProgramCache]: Analyzing trace with hash -2026420815, now seen corresponding path program 2 times [2022-11-26 00:12:25,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:12:25,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146607497] [2022-11-26 00:12:25,204 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-26 00:12:25,204 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 [2022-11-26 00:12:25,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:12:25,206 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:12:25,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:26,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-26 00:12:26,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:12:26,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:12:26,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-26 00:12:26,559 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:27,676 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-26 00:12:27,676 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:12:27,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146607497] [2022-11-26 00:12:27,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2146607497] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:27,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1626693182] [2022-11-26 00:12:27,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-26 00:12:27,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 00:12:27,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 00:12:27,679 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 00:12:27,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-11-26 00:12:29,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-26 00:12:29,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:12:29,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-26 00:12:29,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-11-26 00:12:30,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:30,457 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-26 00:12:30,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1626693182] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:30,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468443225] [2022-11-26 00:12:30,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-26 00:12:30,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:12:30,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:12:30,459 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:12:30,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-26 00:12:31,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-26 00:12:31,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-26 00:12:31,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-26 00:12:31,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:12:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 54 proven. 3 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-26 00:12:31,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:12:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-11-26 00:12:32,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468443225] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:12:32,401 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-26 00:12:32,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 6, 6] total 20 [2022-11-26 00:12:32,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258466033] [2022-11-26 00:12:32,401 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-26 00:12:32,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-26 00:12:32,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:12:32,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-26 00:12:32,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2022-11-26 00:12:32,409 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) [2022-11-26 00:12:34,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:12:34,305 INFO L93 Difference]: Finished difference Result 3127 states and 4124 transitions. [2022-11-26 00:12:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-26 00:12:34,307 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 [2022-11-26 00:12:34,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:12:34,318 INFO L225 Difference]: With dead ends: 3127 [2022-11-26 00:12:34,318 INFO L226 Difference]: Without dead ends: 1573 [2022-11-26 00:12:34,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1091 GetRequests, 1056 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=352, Invalid=980, Unknown=0, NotChecked=0, Total=1332 [2022-11-26 00:12:34,326 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 38 mSDsluCounter, 5169 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 00:12:34,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 5746 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 00:12:34,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-11-26 00:12:34,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1573. [2022-11-26 00:12:34,454 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) [2022-11-26 00:12:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 2067 transitions. [2022-11-26 00:12:34,470 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 2067 transitions. Word has length 180 [2022-11-26 00:12:34,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:12:34,471 INFO L495 AbstractCegarLoop]: Abstraction has 1573 states and 2067 transitions. [2022-11-26 00:12:34,471 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) [2022-11-26 00:12:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2067 transitions. [2022-11-26 00:12:34,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-26 00:12:34,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:12:34,479 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] [2022-11-26 00:12:34,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:34,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:34,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:35,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt [2022-11-26 00:12:35,096 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:12:35,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:12:35,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1476408975, now seen corresponding path program 3 times [2022-11-26 00:12:35,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:12:35,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759436828] [2022-11-26 00:12:35,098 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-26 00:12:35,098 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 [2022-11-26 00:12:35,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:12:35,100 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:12:35,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:40,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-11-26 00:12:40,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-26 00:12:40,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:12:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:12:44,816 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 00:12:44,817 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:12:44,818 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:12:44,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:12:45,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:12:45,046 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2022-11-26 00:12:45,050 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:12:45,120 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,121 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,121 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,121 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,122 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,122 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,122 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,123 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,123 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,123 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,124 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,124 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,124 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,125 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,125 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,125 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,125 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,126 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,126 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,126 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,127 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:12:45,127 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,127 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:12:45,128 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,128 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:12:45,128 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,128 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:12:45,129 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,129 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,130 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,130 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,138 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,139 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,139 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,139 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,140 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,140 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,140 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,141 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,141 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,141 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:12:45,141 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,142 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:12:45,142 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,142 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:12:45,143 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,143 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-26 00:12:45,143 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-26 00:12:45,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:12:45 BoogieIcfgContainer [2022-11-26 00:12:45,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:12:45,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:12:45,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:12:45,378 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:12:45,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:12:03" (3/4) ... [2022-11-26 00:12:45,382 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:12:45,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:12:45,383 INFO L158 Benchmark]: Toolchain (without parser) took 54689.77ms. Allocated memory was 77.6MB in the beginning and 299.9MB in the end (delta: 222.3MB). Free memory was 50.8MB in the beginning and 102.6MB in the end (delta: -51.9MB). Peak memory consumption was 172.4MB. Max. memory is 16.1GB. [2022-11-26 00:12:45,384 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:12:45,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2510.05ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.4MB in the beginning and 46.9MB in the end (delta: 3.6MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2022-11-26 00:12:45,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.92ms. Allocated memory is still 94.4MB. Free memory was 46.9MB in the beginning and 36.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:12:45,385 INFO L158 Benchmark]: Boogie Preprocessor took 264.29ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 36.9MB in the beginning and 59.6MB in the end (delta: -22.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2022-11-26 00:12:45,386 INFO L158 Benchmark]: RCFGBuilder took 10122.05ms. Allocated memory was 113.2MB in the beginning and 172.0MB in the end (delta: 58.7MB). Free memory was 59.6MB in the beginning and 88.6MB in the end (delta: -29.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2022-11-26 00:12:45,387 INFO L158 Benchmark]: TraceAbstraction took 41563.79ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 88.6MB in the beginning and 103.7MB in the end (delta: -15.1MB). Peak memory consumption was 112.9MB. Max. memory is 16.1GB. [2022-11-26 00:12:45,388 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 299.9MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:12:45,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2510.05ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.4MB in the beginning and 46.9MB in the end (delta: 3.6MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.92ms. Allocated memory is still 94.4MB. Free memory was 46.9MB in the beginning and 36.9MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 264.29ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 36.9MB in the beginning and 59.6MB in the end (delta: -22.7MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * RCFGBuilder took 10122.05ms. Allocated memory was 113.2MB in the beginning and 172.0MB in the end (delta: 58.7MB). Free memory was 59.6MB in the beginning and 88.6MB in the end (delta: -29.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * TraceAbstraction took 41563.79ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 88.6MB in the beginning and 103.7MB in the end (delta: -15.1MB). Peak memory consumption was 112.9MB. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 299.9MB. Free memory is still 102.6MB. 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: 41.1s, OverallIterations: 9, TraceHistogramMax: 12, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1075 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1075 mSDsluCounter, 17373 SdHoareTripleChecker+Invalid, 1.1s 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, 4.0s 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: 0.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.4s SsaConstructionTime, 13.0s SatisfiabilityAnalysisTime, 7.4s 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 [2022-11-26 00:12:45,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16dae5ec-607b-4137-96f0-bb10dde7a5a6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample