./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:59:26,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:59:26,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:59:26,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:59:26,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:59:26,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:59:26,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:59:26,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:59:26,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:59:26,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:59:26,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:59:26,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:59:26,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:59:26,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:59:26,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:59:26,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:59:26,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:59:26,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:59:26,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:59:26,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:59:26,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:59:26,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:59:26,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:59:26,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:59:26,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:59:26,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:59:26,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:59:26,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:59:26,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:59:26,269 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:59:26,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:59:26,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:59:26,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:59:26,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:59:26,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:59:26,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:59:26,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:59:26,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:59:26,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:59:26,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:59:26,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:59:26,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:59:26,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:59:26,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:59:26,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:59:26,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:59:26,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:59:26,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:59:26,288 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:59:26,288 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:59:26,288 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:59:26,288 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:59:26,289 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:59:26,289 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:59:26,289 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:59:26,289 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:59:26,289 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:59:26,289 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:59:26,290 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:59:26,290 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:59:26,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:59:26,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:59:26,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:59:26,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:59:26,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:59:26,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:59:26,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:59:26,291 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:59:26,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:59:26,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:59:26,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:59:26,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:59:26,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:59:26,292 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:59:26,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:59:26,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:59:26,293 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:59:26,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:59:26,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:59:26,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:59:26,293 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_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2022-12-14 07:59:26,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:59:26,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:59:26,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:59:26,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:59:26,533 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:59:26,534 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2022-12-14 07:59:29,141 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:59:29,528 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:59:29,529 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2022-12-14 07:59:29,565 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/data/ff22c5866/9e1ee90d70704bdca8faee45e3896df9/FLAG4d0dbb2d0 [2022-12-14 07:59:29,577 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/data/ff22c5866/9e1ee90d70704bdca8faee45e3896df9 [2022-12-14 07:59:29,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:59:29,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:59:29,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:59:29,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:59:29,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:59:29,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:59:29" (1/1) ... [2022-12-14 07:59:29,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9fd835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:29, skipping insertion in model container [2022-12-14 07:59:29,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:59:29" (1/1) ... [2022-12-14 07:59:29,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:59:29,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:59:30,200 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_94b32574-b963-41db-9f0c-f8fdad05cdd2/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2022-12-14 07:59:30,234 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 07:59:30,312 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,313 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 07:59:30,316 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 07:59:30,318 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 07:59:30,318 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 07:59:30,318 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,318 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:59:30,323 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_endpoints [2022-12-14 07:59:30,323 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-14 07:59:30,330 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-12-14 07:59:30,331 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 07:59:30,331 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:59:30,332 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 07:59:30,332 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:59:30,337 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:59:30,339 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:59:30,341 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-12-14 07:59:30,341 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 07:59:30,342 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 07:59:30,342 WARN L623 FunctionHandler]: Unknown extern function usbnet_device_suggests_idle [2022-12-14 07:59:30,343 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:59:30,344 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-12-14 07:59:30,345 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 07:59:30,346 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 07:59:30,347 WARN L623 FunctionHandler]: Unknown extern function usbnet_skb_return [2022-12-14 07:59:30,348 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:59:30,373 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-14 07:59:30,374 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-14 07:59:30,374 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-14 07:59:30,375 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-14 07:59:30,375 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-14 07:59:30,376 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_1 [2022-12-14 07:59:30,378 WARN L623 FunctionHandler]: Unknown extern function ldv_release_2 [2022-12-14 07:59:30,379 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,380 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,380 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,380 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,381 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,381 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 07:59:30,382 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 07:59:30,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:59:30,448 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:59:30,532 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_94b32574-b963-41db-9f0c-f8fdad05cdd2/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i[161556,161569] [2022-12-14 07:59:30,533 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-12-14 07:59:30,537 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,537 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 07:59:30,538 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-12-14 07:59:30,538 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-12-14 07:59:30,539 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-12-14 07:59:30,539 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,539 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:59:30,540 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_endpoints [2022-12-14 07:59:30,540 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-12-14 07:59:30,542 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-12-14 07:59:30,543 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 07:59:30,543 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:59:30,543 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 07:59:30,544 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 07:59:30,545 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:59:30,547 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:59:30,547 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-12-14 07:59:30,548 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 07:59:30,548 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 07:59:30,549 WARN L623 FunctionHandler]: Unknown extern function usbnet_device_suggests_idle [2022-12-14 07:59:30,549 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:59:30,550 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-12-14 07:59:30,550 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-12-14 07:59:30,551 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-12-14 07:59:30,552 WARN L623 FunctionHandler]: Unknown extern function usbnet_skb_return [2022-12-14 07:59:30,552 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 07:59:30,556 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-14 07:59:30,556 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-14 07:59:30,557 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-14 07:59:30,557 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-14 07:59:30,557 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-14 07:59:30,558 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_1 [2022-12-14 07:59:30,559 WARN L623 FunctionHandler]: Unknown extern function ldv_release_2 [2022-12-14 07:59:30,560 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,560 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,561 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,561 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,561 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-12-14 07:59:30,561 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 07:59:30,562 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 07:59:30,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:59:30,603 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:59:30,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30 WrapperNode [2022-12-14 07:59:30,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:59:30,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:59:30,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:59:30,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:59:30,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (1/1) ... [2022-12-14 07:59:30,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (1/1) ... [2022-12-14 07:59:30,662 INFO L138 Inliner]: procedures = 125, calls = 351, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 1053 [2022-12-14 07:59:30,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:59:30,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:59:30,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:59:30,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:59:30,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (1/1) ... [2022-12-14 07:59:30,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (1/1) ... [2022-12-14 07:59:30,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (1/1) ... [2022-12-14 07:59:30,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (1/1) ... [2022-12-14 07:59:30,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (1/1) ... [2022-12-14 07:59:30,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (1/1) ... [2022-12-14 07:59:30,750 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (1/1) ... [2022-12-14 07:59:30,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (1/1) ... [2022-12-14 07:59:30,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:59:30,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:59:30,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:59:30,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:59:30,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (1/1) ... [2022-12-14 07:59:30,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:59:30,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:59:30,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:59:30,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:59:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 07:59:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 07:59:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 07:59:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 07:59:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 07:59:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:59:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-12-14 07:59:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-12-14 07:59:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-14 07:59:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-14 07:59:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2022-12-14 07:59:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2022-12-14 07:59:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-12-14 07:59:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-12-14 07:59:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 07:59:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 07:59:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-12-14 07:59:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-12-14 07:59:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:59:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 07:59:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 07:59:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-12-14 07:59:30,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-12-14 07:59:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 07:59:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 07:59:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-12-14 07:59:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-12-14 07:59:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:59:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:59:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 07:59:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 07:59:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2022-12-14 07:59:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2022-12-14 07:59:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:59:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-12-14 07:59:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-12-14 07:59:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-12-14 07:59:30,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-12-14 07:59:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:59:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:59:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:59:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:59:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-12-14 07:59:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-12-14 07:59:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-12-14 07:59:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-12-14 07:59:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:59:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:59:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 07:59:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 07:59:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:59:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 07:59:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 07:59:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 07:59:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:59:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:59:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2022-12-14 07:59:30,844 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2022-12-14 07:59:31,101 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:59:31,104 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:59:31,157 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 07:59:32,464 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:59:32,718 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:59:32,718 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 07:59:32,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:59:32 BoogieIcfgContainer [2022-12-14 07:59:32,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:59:32,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:59:32,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:59:32,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:59:32,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:59:29" (1/3) ... [2022-12-14 07:59:32,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10443ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:59:32, skipping insertion in model container [2022-12-14 07:59:32,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:59:30" (2/3) ... [2022-12-14 07:59:32,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10443ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:59:32, skipping insertion in model container [2022-12-14 07:59:32,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:59:32" (3/3) ... [2022-12-14 07:59:32,726 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2022-12-14 07:59:32,739 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:59:32,740 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:59:32,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:59:32,781 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;@48ae9dcb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:59:32,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:59:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 147 states have (on average 1.469387755102041) internal successors, (216), 156 states have internal predecessors, (216), 49 states have call successors, (49), 21 states have call predecessors, (49), 20 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-12-14 07:59:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 07:59:32,792 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:32,793 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] [2022-12-14 07:59:32,793 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:59:32,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:32,797 INFO L85 PathProgramCache]: Analyzing trace with hash 820598811, now seen corresponding path program 1 times [2022-12-14 07:59:32,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:59:32,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063291832] [2022-12-14 07:59:32,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:32,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:59:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 07:59:33,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:59:33,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063291832] [2022-12-14 07:59:33,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063291832] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:59:33,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:59:33,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:59:33,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646187990] [2022-12-14 07:59:33,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:33,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:59:33,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:59:33,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:59:33,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:59:33,225 INFO L87 Difference]: Start difference. First operand has 218 states, 147 states have (on average 1.469387755102041) internal successors, (216), 156 states have internal predecessors, (216), 49 states have call successors, (49), 21 states have call predecessors, (49), 20 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:34,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:34,312 INFO L93 Difference]: Finished difference Result 614 states and 887 transitions. [2022-12-14 07:59:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:59:34,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2022-12-14 07:59:34,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:34,329 INFO L225 Difference]: With dead ends: 614 [2022-12-14 07:59:34,329 INFO L226 Difference]: Without dead ends: 396 [2022-12-14 07:59:34,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:59:34,338 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 268 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:34,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 550 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 07:59:34,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-12-14 07:59:34,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2022-12-14 07:59:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 276 states have (on average 1.423913043478261) internal successors, (393), 282 states have internal predecessors, (393), 82 states have call successors, (82), 38 states have call predecessors, (82), 37 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2022-12-14 07:59:34,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 556 transitions. [2022-12-14 07:59:34,416 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 556 transitions. Word has length 33 [2022-12-14 07:59:34,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:34,417 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 556 transitions. [2022-12-14 07:59:34,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 07:59:34,417 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 556 transitions. [2022-12-14 07:59:34,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 07:59:34,419 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:34,420 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:34,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:59:34,420 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:59:34,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:34,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1939695536, now seen corresponding path program 1 times [2022-12-14 07:59:34,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:59:34,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854289163] [2022-12-14 07:59:34,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:34,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:59:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:34,620 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 07:59:34,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:59:34,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854289163] [2022-12-14 07:59:34,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854289163] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:59:34,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:59:34,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:59:34,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369694817] [2022-12-14 07:59:34,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:34,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:59:34,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:59:34,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:59:34,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:59:34,623 INFO L87 Difference]: Start difference. First operand 396 states and 556 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 07:59:35,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:35,871 INFO L93 Difference]: Finished difference Result 780 states and 1104 transitions. [2022-12-14 07:59:35,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 07:59:35,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 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 42 [2022-12-14 07:59:35,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:35,878 INFO L225 Difference]: With dead ends: 780 [2022-12-14 07:59:35,878 INFO L226 Difference]: Without dead ends: 775 [2022-12-14 07:59:35,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:59:35,881 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 274 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:35,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 811 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 07:59:35,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2022-12-14 07:59:35,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 769. [2022-12-14 07:59:35,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 536 states have (on average 1.4253731343283582) internal successors, (764), 548 states have internal predecessors, (764), 159 states have call successors, (159), 74 states have call predecessors, (159), 73 states have return successors, (166), 158 states have call predecessors, (166), 158 states have call successors, (166) [2022-12-14 07:59:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1089 transitions. [2022-12-14 07:59:35,939 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1089 transitions. Word has length 42 [2022-12-14 07:59:35,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:35,940 INFO L495 AbstractCegarLoop]: Abstraction has 769 states and 1089 transitions. [2022-12-14 07:59:35,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-12-14 07:59:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1089 transitions. [2022-12-14 07:59:35,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-14 07:59:35,949 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:35,950 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:35,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:59:35,950 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:59:35,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:35,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1519618330, now seen corresponding path program 1 times [2022-12-14 07:59:35,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:59:35,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533912320] [2022-12-14 07:59:35,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:35,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:59:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-14 07:59:36,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:59:36,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533912320] [2022-12-14 07:59:36,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533912320] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:59:36,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:59:36,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:59:36,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159816126] [2022-12-14 07:59:36,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:36,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:59:36,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:59:36,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:59:36,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:59:36,108 INFO L87 Difference]: Start difference. First operand 769 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 07:59:36,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:36,837 INFO L93 Difference]: Finished difference Result 1683 states and 2388 transitions. [2022-12-14 07:59:36,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:59:36,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 138 [2022-12-14 07:59:36,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:36,844 INFO L225 Difference]: With dead ends: 1683 [2022-12-14 07:59:36,844 INFO L226 Difference]: Without dead ends: 926 [2022-12-14 07:59:36,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:59:36,850 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 75 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:36,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 481 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 07:59:36,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2022-12-14 07:59:36,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 921. [2022-12-14 07:59:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 665 states have (on average 1.437593984962406) internal successors, (956), 677 states have internal predecessors, (956), 172 states have call successors, (172), 84 states have call predecessors, (172), 83 states have return successors, (179), 171 states have call predecessors, (179), 171 states have call successors, (179) [2022-12-14 07:59:36,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1307 transitions. [2022-12-14 07:59:36,903 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1307 transitions. Word has length 138 [2022-12-14 07:59:36,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:36,904 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1307 transitions. [2022-12-14 07:59:36,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 07:59:36,904 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1307 transitions. [2022-12-14 07:59:36,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-14 07:59:36,910 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:36,910 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:36,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:59:36,910 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:59:36,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:36,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1210336805, now seen corresponding path program 1 times [2022-12-14 07:59:36,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:59:36,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557087941] [2022-12-14 07:59:36,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:36,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:59:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-12-14 07:59:37,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:59:37,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557087941] [2022-12-14 07:59:37,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557087941] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:59:37,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:59:37,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:59:37,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248826435] [2022-12-14 07:59:37,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:37,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:59:37,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:59:37,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:59:37,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:59:37,053 INFO L87 Difference]: Start difference. First operand 921 states and 1307 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 07:59:38,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:38,739 INFO L93 Difference]: Finished difference Result 2525 states and 3582 transitions. [2022-12-14 07:59:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:59:38,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 156 [2022-12-14 07:59:38,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:38,745 INFO L225 Difference]: With dead ends: 2525 [2022-12-14 07:59:38,745 INFO L226 Difference]: Without dead ends: 1624 [2022-12-14 07:59:38,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:59:38,748 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 252 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:38,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 550 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-14 07:59:38,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2022-12-14 07:59:38,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1619. [2022-12-14 07:59:38,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1161 states have (on average 1.426356589147287) internal successors, (1656), 1185 states have internal predecessors, (1656), 304 states have call successors, (304), 154 states have call predecessors, (304), 153 states have return successors, (315), 303 states have call predecessors, (315), 303 states have call successors, (315) [2022-12-14 07:59:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2275 transitions. [2022-12-14 07:59:38,801 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2275 transitions. Word has length 156 [2022-12-14 07:59:38,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:38,801 INFO L495 AbstractCegarLoop]: Abstraction has 1619 states and 2275 transitions. [2022-12-14 07:59:38,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 07:59:38,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2275 transitions. [2022-12-14 07:59:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-12-14 07:59:38,804 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:38,804 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:38,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:59:38,805 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:59:38,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:38,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1939605317, now seen corresponding path program 1 times [2022-12-14 07:59:38,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:59:38,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27814159] [2022-12-14 07:59:38,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:38,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:59:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-14 07:59:38,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:59:38,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27814159] [2022-12-14 07:59:38,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27814159] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:59:38,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:59:38,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:59:38,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641778089] [2022-12-14 07:59:38,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:38,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:59:38,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:59:38,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:59:38,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:59:38,948 INFO L87 Difference]: Start difference. First operand 1619 states and 2275 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 07:59:40,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:59:41,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:41,550 INFO L93 Difference]: Finished difference Result 2443 states and 3456 transitions. [2022-12-14 07:59:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:59:41,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 156 [2022-12-14 07:59:41,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:41,559 INFO L225 Difference]: With dead ends: 2443 [2022-12-14 07:59:41,559 INFO L226 Difference]: Without dead ends: 1635 [2022-12-14 07:59:41,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:59:41,564 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 4 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:41,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 492 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 07:59:41,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2022-12-14 07:59:41,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1635. [2022-12-14 07:59:41,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1173 states have (on average 1.421994884910486) internal successors, (1668), 1201 states have internal predecessors, (1668), 304 states have call successors, (304), 154 states have call predecessors, (304), 157 states have return successors, (319), 303 states have call predecessors, (319), 303 states have call successors, (319) [2022-12-14 07:59:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2291 transitions. [2022-12-14 07:59:41,650 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2291 transitions. Word has length 156 [2022-12-14 07:59:41,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:41,650 INFO L495 AbstractCegarLoop]: Abstraction has 1635 states and 2291 transitions. [2022-12-14 07:59:41,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 07:59:41,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2291 transitions. [2022-12-14 07:59:41,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-12-14 07:59:41,655 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:59:41,655 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:59:41,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:59:41,655 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:59:41,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:59:41,656 INFO L85 PathProgramCache]: Analyzing trace with hash 246592362, now seen corresponding path program 1 times [2022-12-14 07:59:41,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:59:41,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245054127] [2022-12-14 07:59:41,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:59:41,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:59:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:59:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-12-14 07:59:42,098 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:59:42,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245054127] [2022-12-14 07:59:42,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245054127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:59:42,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:59:42,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-14 07:59:42,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393829994] [2022-12-14 07:59:42,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:59:42,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-14 07:59:42,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:59:42,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-14 07:59:42,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-14 07:59:42,100 INFO L87 Difference]: Start difference. First operand 1635 states and 2291 transitions. Second operand has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2022-12-14 07:59:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:59:44,243 INFO L93 Difference]: Finished difference Result 2422 states and 3409 transitions. [2022-12-14 07:59:44,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:59:44,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 157 [2022-12-14 07:59:44,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:59:44,244 INFO L225 Difference]: With dead ends: 2422 [2022-12-14 07:59:44,244 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 07:59:44,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-12-14 07:59:44,251 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 290 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:59:44,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 442 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 07:59:44,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 07:59:44,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 07:59:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 07:59:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 07:59:44,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2022-12-14 07:59:44,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:59:44,253 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 07:59:44,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.11111111111111) internal successors, (82), 8 states have internal predecessors, (82), 5 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2022-12-14 07:59:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 07:59:44,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 07:59:44,256 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 07:59:44,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:59:44,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 07:59:45,185 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6624 6628) the Hoare annotation is: true [2022-12-14 07:59:45,185 INFO L899 garLoopResultBuilder]: For program point skb_putEXIT(lines 6624 6628) no Hoare annotation was computed. [2022-12-14 07:59:45,185 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 5677 5683) the Hoare annotation is: true [2022-12-14 07:59:45,185 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5681) no Hoare annotation was computed. [2022-12-14 07:59:45,185 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5677 5683) no Hoare annotation was computed. [2022-12-14 07:59:45,185 INFO L899 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2022-12-14 07:59:45,185 INFO L902 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: true [2022-12-14 07:59:45,185 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6618 6620) the Hoare annotation is: true [2022-12-14 07:59:45,185 INFO L899 garLoopResultBuilder]: For program point skb_pullEXIT(lines 6618 6620) no Hoare annotation was computed. [2022-12-14 07:59:45,186 INFO L902 garLoopResultBuilder]: At program point LDV_STOP(lines 5684 5690) the Hoare annotation is: true [2022-12-14 07:59:45,186 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5684 5690) no Hoare annotation was computed. [2022-12-14 07:59:45,186 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5691 5696) the Hoare annotation is: true [2022-12-14 07:59:45,186 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 5691 5696) no Hoare annotation was computed. [2022-12-14 07:59:45,186 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6655 6657) the Hoare annotation is: true [2022-12-14 07:59:45,186 INFO L899 garLoopResultBuilder]: For program point usbnet_disconnectEXIT(lines 6655 6657) no Hoare annotation was computed. [2022-12-14 07:59:45,186 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5748 5754) the Hoare annotation is: true [2022-12-14 07:59:45,186 INFO L899 garLoopResultBuilder]: For program point put_unaligned_le16EXIT(lines 5748 5754) no Hoare annotation was computed. [2022-12-14 07:59:45,186 INFO L902 garLoopResultBuilder]: At program point L6622(line 6622) the Hoare annotation is: true [2022-12-14 07:59:45,186 INFO L899 garLoopResultBuilder]: For program point L6622-1(line 6622) no Hoare annotation was computed. [2022-12-14 07:59:45,186 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6621 6623) the Hoare annotation is: true [2022-12-14 07:59:45,186 INFO L899 garLoopResultBuilder]: For program point skb_pushEXIT(lines 6621 6623) no Hoare annotation was computed. [2022-12-14 07:59:45,187 INFO L899 garLoopResultBuilder]: For program point L6433(lines 6433 6436) no Hoare annotation was computed. [2022-12-14 07:59:45,187 INFO L899 garLoopResultBuilder]: For program point L6423(lines 6423 6427) no Hoare annotation was computed. [2022-12-14 07:59:45,187 INFO L899 garLoopResultBuilder]: For program point L6419(lines 6419 6422) no Hoare annotation was computed. [2022-12-14 07:59:45,187 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6411 6445) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,187 INFO L895 garLoopResultBuilder]: At program point L6432-2(lines 6432 6439) the Hoare annotation is: (not (= |old(~last_index~0)| 0)) [2022-12-14 07:59:45,187 INFO L899 garLoopResultBuilder]: For program point L6432-3(lines 6432 6439) no Hoare annotation was computed. [2022-12-14 07:59:45,187 INFO L899 garLoopResultBuilder]: For program point L6430-1(lines 6411 6445) no Hoare annotation was computed. [2022-12-14 07:59:45,187 INFO L899 garLoopResultBuilder]: For program point L6418-3(lines 6415 6444) no Hoare annotation was computed. [2022-12-14 07:59:45,187 INFO L895 garLoopResultBuilder]: At program point L6418-2(lines 6418 6429) the Hoare annotation is: (or (and (= 0 (+ ldv_set_remove_~deleted_index~0 1)) (= ldv_set_remove_~i~1 0) (= |old(~last_index~0)| ~last_index~0)) (not (= |old(~last_index~0)| 0))) [2022-12-14 07:59:45,188 INFO L899 garLoopResultBuilder]: For program point ldv_set_removeEXIT(lines 6411 6445) no Hoare annotation was computed. [2022-12-14 07:59:45,188 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2022-12-14 07:59:45,188 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-12-14 07:59:45,188 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 07:59:45,188 INFO L899 garLoopResultBuilder]: For program point skb_cloneEXIT(lines 6612 6614) no Hoare annotation was computed. [2022-12-14 07:59:45,188 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6612 6614) the Hoare annotation is: true [2022-12-14 07:59:45,188 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2022-12-14 07:59:45,188 INFO L902 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: true [2022-12-14 07:59:45,188 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5624 5626) the Hoare annotation is: true [2022-12-14 07:59:45,188 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5624 5626) no Hoare annotation was computed. [2022-12-14 07:59:45,188 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeFINAL(lines 6532 6538) no Hoare annotation was computed. [2022-12-14 07:59:45,188 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 6532 6538) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,188 INFO L895 garLoopResultBuilder]: At program point L6535(line 6535) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,188 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeEXIT(lines 6532 6538) no Hoare annotation was computed. [2022-12-14 07:59:45,188 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6641 6643) the Hoare annotation is: true [2022-12-14 07:59:45,188 INFO L899 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 6641 6643) no Hoare annotation was computed. [2022-12-14 07:59:45,189 INFO L899 garLoopResultBuilder]: For program point L5973(lines 5973 5976) no Hoare annotation was computed. [2022-12-14 07:59:45,189 INFO L895 garLoopResultBuilder]: At program point L6031(line 6031) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,189 INFO L899 garLoopResultBuilder]: For program point L6031-1(line 6031) no Hoare annotation was computed. [2022-12-14 07:59:45,189 INFO L899 garLoopResultBuilder]: For program point L5833(line 5833) no Hoare annotation was computed. [2022-12-14 07:59:45,189 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupFINAL(lines 5926 6059) no Hoare annotation was computed. [2022-12-14 07:59:45,189 INFO L899 garLoopResultBuilder]: For program point L6024(lines 6024 6027) no Hoare annotation was computed. [2022-12-14 07:59:45,189 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 5926 6059) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,189 INFO L895 garLoopResultBuilder]: At program point L5951(line 5951) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,189 INFO L895 garLoopResultBuilder]: At program point L5984-1(line 5984) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,189 INFO L899 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2022-12-14 07:59:45,189 INFO L895 garLoopResultBuilder]: At program point L5984(line 5984) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,189 INFO L895 garLoopResultBuilder]: At program point L6042(line 6042) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,189 INFO L895 garLoopResultBuilder]: At program point L5943(lines 5942 6058) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,189 INFO L899 garLoopResultBuilder]: For program point L6009(lines 6009 6012) no Hoare annotation was computed. [2022-12-14 07:59:45,189 INFO L899 garLoopResultBuilder]: For program point L6042-1(line 6042) no Hoare annotation was computed. [2022-12-14 07:59:45,189 INFO L899 garLoopResultBuilder]: For program point L5960-1(line 5960) no Hoare annotation was computed. [2022-12-14 07:59:45,189 INFO L899 garLoopResultBuilder]: For program point L5993(line 5993) no Hoare annotation was computed. [2022-12-14 07:59:45,190 INFO L895 garLoopResultBuilder]: At program point L5960(line 5960) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,190 INFO L899 garLoopResultBuilder]: For program point L6051(line 6051) no Hoare annotation was computed. [2022-12-14 07:59:45,190 INFO L899 garLoopResultBuilder]: For program point L6018(lines 6018 6028) no Hoare annotation was computed. [2022-12-14 07:59:45,190 INFO L899 garLoopResultBuilder]: For program point L5985(line 5985) no Hoare annotation was computed. [2022-12-14 07:59:45,190 INFO L899 garLoopResultBuilder]: For program point L5952(lines 5952 6049) no Hoare annotation was computed. [2022-12-14 07:59:45,190 INFO L895 garLoopResultBuilder]: At program point L6018-2(lines 6003 6049) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,190 INFO L895 garLoopResultBuilder]: At program point L6043(lines 6043 6048) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,190 INFO L895 garLoopResultBuilder]: At program point L6043-1(lines 5942 6058) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,190 INFO L895 garLoopResultBuilder]: At program point L5977(line 5977) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,190 INFO L899 garLoopResultBuilder]: For program point L5977-1(line 5977) no Hoare annotation was computed. [2022-12-14 07:59:45,190 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupEXIT(lines 5926 6059) no Hoare annotation was computed. [2022-12-14 07:59:45,190 INFO L895 garLoopResultBuilder]: At program point L5986(line 5986) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,190 INFO L895 garLoopResultBuilder]: At program point L6052(lines 5942 6058) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,190 INFO L899 garLoopResultBuilder]: For program point L5953(lines 5953 5968) no Hoare annotation was computed. [2022-12-14 07:59:45,190 INFO L899 garLoopResultBuilder]: For program point L5986-1(line 5986) no Hoare annotation was computed. [2022-12-14 07:59:45,190 INFO L895 garLoopResultBuilder]: At program point L5978(lines 5978 5979) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,190 INFO L899 garLoopResultBuilder]: For program point L5978-1(lines 5978 5979) no Hoare annotation was computed. [2022-12-14 07:59:45,191 INFO L899 garLoopResultBuilder]: For program point L5830(lines 5830 5837) no Hoare annotation was computed. [2022-12-14 07:59:45,191 INFO L899 garLoopResultBuilder]: For program point L6053(lines 6053 6056) no Hoare annotation was computed. [2022-12-14 07:59:45,191 INFO L895 garLoopResultBuilder]: At program point L5946(lines 5946 5949) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,191 INFO L895 garLoopResultBuilder]: At program point L6045(line 6045) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,191 INFO L899 garLoopResultBuilder]: For program point L5971(line 5971) no Hoare annotation was computed. [2022-12-14 07:59:45,191 INFO L899 garLoopResultBuilder]: For program point L6037(lines 6003 6049) no Hoare annotation was computed. [2022-12-14 07:59:45,191 INFO L899 garLoopResultBuilder]: For program point L6004(lines 6004 6007) no Hoare annotation was computed. [2022-12-14 07:59:45,191 INFO L895 garLoopResultBuilder]: At program point L6029-1(lines 6029 6036) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,191 INFO L895 garLoopResultBuilder]: At program point L5831(line 5831) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,191 INFO L895 garLoopResultBuilder]: At program point L5831-1(lines 5821 5839) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,191 INFO L895 garLoopResultBuilder]: At program point L6021(line 6021) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,192 INFO L899 garLoopResultBuilder]: For program point L6021-1(line 6021) no Hoare annotation was computed. [2022-12-14 07:59:45,192 INFO L895 garLoopResultBuilder]: At program point L5823(lines 5823 5826) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,192 INFO L895 garLoopResultBuilder]: At program point eem_linkcmd_returnLabel#1(lines 5817 5840) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,192 INFO L899 garLoopResultBuilder]: For program point L6013(lines 6013 6016) no Hoare annotation was computed. [2022-12-14 07:59:45,192 INFO L899 garLoopResultBuilder]: For program point L5980(lines 5980 5983) no Hoare annotation was computed. [2022-12-14 07:59:45,192 INFO L899 garLoopResultBuilder]: For program point L5997(line 5997) no Hoare annotation was computed. [2022-12-14 07:59:45,192 INFO L895 garLoopResultBuilder]: At program point L6022(lines 6022 6023) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,192 INFO L895 garLoopResultBuilder]: At program point L6633-1(line 6633) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,192 INFO L895 garLoopResultBuilder]: At program point L6633(line 6633) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,192 INFO L895 garLoopResultBuilder]: At program point L5989(line 5989) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-12-14 07:59:45,192 INFO L899 garLoopResultBuilder]: For program point L6022-1(lines 6022 6023) no Hoare annotation was computed. [2022-12-14 07:59:45,192 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5627 5643) the Hoare annotation is: true [2022-12-14 07:59:45,192 INFO L902 garLoopResultBuilder]: At program point L5639(line 5639) the Hoare annotation is: true [2022-12-14 07:59:45,192 INFO L899 garLoopResultBuilder]: For program point L5639-1(line 5639) no Hoare annotation was computed. [2022-12-14 07:59:45,192 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5627 5643) no Hoare annotation was computed. [2022-12-14 07:59:45,192 INFO L899 garLoopResultBuilder]: For program point L5634(lines 5634 5641) no Hoare annotation was computed. [2022-12-14 07:59:45,192 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5627 5643) no Hoare annotation was computed. [2022-12-14 07:59:45,192 INFO L899 garLoopResultBuilder]: For program point crc32_leEXIT(lines 6597 6599) no Hoare annotation was computed. [2022-12-14 07:59:45,193 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6597 6599) the Hoare annotation is: true [2022-12-14 07:59:45,193 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5644 5660) the Hoare annotation is: true [2022-12-14 07:59:45,193 INFO L899 garLoopResultBuilder]: For program point L5656-1(line 5656) no Hoare annotation was computed. [2022-12-14 07:59:45,193 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 5644 5660) no Hoare annotation was computed. [2022-12-14 07:59:45,193 INFO L902 garLoopResultBuilder]: At program point L5656(line 5656) the Hoare annotation is: true [2022-12-14 07:59:45,193 INFO L899 garLoopResultBuilder]: For program point L5651(lines 5651 5658) no Hoare annotation was computed. [2022-12-14 07:59:45,193 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 5644 5660) no Hoare annotation was computed. [2022-12-14 07:59:45,193 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 6629 6631) the Hoare annotation is: true [2022-12-14 07:59:45,193 INFO L899 garLoopResultBuilder]: For program point skb_trimEXIT(lines 6629 6631) no Hoare annotation was computed. [2022-12-14 07:59:45,193 INFO L895 garLoopResultBuilder]: At program point L6229(lines 6229 6243) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,193 INFO L899 garLoopResultBuilder]: For program point L6279(line 6279) no Hoare annotation was computed. [2022-12-14 07:59:45,193 INFO L902 garLoopResultBuilder]: At program point L6246(line 6246) the Hoare annotation is: true [2022-12-14 07:59:45,193 INFO L895 garLoopResultBuilder]: At program point L6147(lines 6135 6314) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,193 INFO L895 garLoopResultBuilder]: At program point L6263(line 6263) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,193 INFO L899 garLoopResultBuilder]: For program point L6263-1(line 6263) no Hoare annotation was computed. [2022-12-14 07:59:45,193 INFO L899 garLoopResultBuilder]: For program point L6280-2(lines 6255 6301) no Hoare annotation was computed. [2022-12-14 07:59:45,193 INFO L899 garLoopResultBuilder]: For program point L6280(lines 6280 6284) no Hoare annotation was computed. [2022-12-14 07:59:45,193 INFO L899 garLoopResultBuilder]: For program point L6231(lines 6231 6236) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6165(line 6165) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6231-2(lines 6229 6242) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L895 garLoopResultBuilder]: At program point L6281(line 6281) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6281-1(line 6281) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6149(lines 6149 6308) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L895 garLoopResultBuilder]: At program point L6199(line 6199) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6166(lines 6166 6171) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6166-2(lines 6153 6211) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6150(line 6150) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6216(line 6216) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6299(line 6299) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L895 garLoopResultBuilder]: At program point L6167(line 6167) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6167-1(line 6167) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6151(lines 6151 6214) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L895 garLoopResultBuilder]: At program point L6118(line 6118) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~last_index~0 0)) [2022-12-14 07:59:45,194 INFO L899 garLoopResultBuilder]: For program point L6217(lines 6217 6250) no Hoare annotation was computed. [2022-12-14 07:59:45,194 INFO L895 garLoopResultBuilder]: At program point L6118-1(line 6118) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~last_index~0 0)) [2022-12-14 07:59:45,194 INFO L902 garLoopResultBuilder]: At program point L6300(line 6300) the Hoare annotation is: true [2022-12-14 07:59:45,195 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 07:59:45,195 INFO L895 garLoopResultBuilder]: At program point L6268(line 6268) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,195 INFO L899 garLoopResultBuilder]: For program point L6136-1(line 6136) no Hoare annotation was computed. [2022-12-14 07:59:45,195 INFO L899 garLoopResultBuilder]: For program point L6582(lines 6582 6585) no Hoare annotation was computed. [2022-12-14 07:59:45,195 INFO L895 garLoopResultBuilder]: At program point L6136(line 6136) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-12-14 07:59:45,195 INFO L899 garLoopResultBuilder]: For program point L6219(lines 6219 6247) no Hoare annotation was computed. [2022-12-14 07:59:45,195 INFO L899 garLoopResultBuilder]: For program point L6252(line 6252) no Hoare annotation was computed. [2022-12-14 07:59:45,195 INFO L899 garLoopResultBuilder]: For program point L6153(lines 6153 6211) no Hoare annotation was computed. [2022-12-14 07:59:45,195 INFO L895 garLoopResultBuilder]: At program point L6286(line 6286) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,195 INFO L895 garLoopResultBuilder]: At program point L6154(line 6154) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,195 INFO L899 garLoopResultBuilder]: For program point L6253(lines 6253 6304) no Hoare annotation was computed. [2022-12-14 07:59:45,195 INFO L899 garLoopResultBuilder]: For program point L6286-1(line 6286) no Hoare annotation was computed. [2022-12-14 07:59:45,195 INFO L899 garLoopResultBuilder]: For program point L6220(line 6220) no Hoare annotation was computed. [2022-12-14 07:59:45,195 INFO L895 garLoopResultBuilder]: At program point L6138(line 6138) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-12-14 07:59:45,195 INFO L902 garLoopResultBuilder]: At program point L6584-1(lines 6577 6588) the Hoare annotation is: true [2022-12-14 07:59:45,195 INFO L895 garLoopResultBuilder]: At program point L6138-1(line 6138) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-12-14 07:59:45,195 INFO L895 garLoopResultBuilder]: At program point L6584(line 6584) the Hoare annotation is: false [2022-12-14 07:59:45,195 INFO L895 garLoopResultBuilder]: At program point L6221(lines 6221 6226) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,196 INFO L899 garLoopResultBuilder]: For program point L6255(lines 6255 6301) no Hoare annotation was computed. [2022-12-14 07:59:45,196 INFO L895 garLoopResultBuilder]: At program point L6189(line 6189) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,196 INFO L895 garLoopResultBuilder]: At program point L6107(line 6107) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-12-14 07:59:45,196 INFO L899 garLoopResultBuilder]: For program point L6107-1(line 6107) no Hoare annotation was computed. [2022-12-14 07:59:45,196 INFO L895 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,196 INFO L899 garLoopResultBuilder]: For program point L6173-1(line 6173) no Hoare annotation was computed. [2022-12-14 07:59:45,196 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2022-12-14 07:59:45,196 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 07:59:45,196 INFO L899 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2022-12-14 07:59:45,196 INFO L895 garLoopResultBuilder]: At program point L6141(line 6141) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-12-14 07:59:45,196 INFO L895 garLoopResultBuilder]: At program point main_ldv_final#1(lines 6135 6314) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,196 INFO L899 garLoopResultBuilder]: For program point L6141-1(line 6141) no Hoare annotation was computed. [2022-12-14 07:59:45,196 INFO L899 garLoopResultBuilder]: For program point L6257-2(lines 6255 6301) no Hoare annotation was computed. [2022-12-14 07:59:45,196 INFO L899 garLoopResultBuilder]: For program point L6257(lines 6257 6261) no Hoare annotation was computed. [2022-12-14 07:59:45,196 INFO L902 garLoopResultBuilder]: At program point L6307(line 6307) the Hoare annotation is: true [2022-12-14 07:59:45,196 INFO L895 garLoopResultBuilder]: At program point L6142(line 6142) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-12-14 07:59:45,196 INFO L899 garLoopResultBuilder]: For program point L6142-1(line 6142) no Hoare annotation was computed. [2022-12-14 07:59:45,197 INFO L895 garLoopResultBuilder]: At program point L6109(line 6109) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-12-14 07:59:45,197 INFO L895 garLoopResultBuilder]: At program point L6109-1(line 6109) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-12-14 07:59:45,197 INFO L895 garLoopResultBuilder]: At program point L6291(line 6291) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,197 INFO L895 garLoopResultBuilder]: At program point L6258(line 6258) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-12-14 07:59:45,197 INFO L899 garLoopResultBuilder]: For program point L6258-1(line 6258) no Hoare annotation was computed. [2022-12-14 07:59:45,197 INFO L899 garLoopResultBuilder]: For program point L6209(line 6209) no Hoare annotation was computed. [2022-12-14 07:59:45,197 INFO L902 garLoopResultBuilder]: At program point L6210(line 6210) the Hoare annotation is: true [2022-12-14 07:59:45,197 INFO L899 garLoopResultBuilder]: For program point L6228(line 6228) no Hoare annotation was computed. [2022-12-14 07:59:45,197 INFO L895 garLoopResultBuilder]: At program point L6179(line 6179) the Hoare annotation is: (= ~last_index~0 0) [2022-12-14 07:59:45,197 INFO L899 garLoopResultBuilder]: For program point L6245(line 6245) no Hoare annotation was computed. [2022-12-14 07:59:45,197 INFO L899 garLoopResultBuilder]: For program point dev_kfree_skb_anyEXIT(lines 5716 5722) no Hoare annotation was computed. [2022-12-14 07:59:45,197 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5716 5722) the Hoare annotation is: true [2022-12-14 07:59:45,197 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupEXIT(lines 5860 5925) no Hoare annotation was computed. [2022-12-14 07:59:45,197 INFO L899 garLoopResultBuilder]: For program point L5916-1(line 5916) no Hoare annotation was computed. [2022-12-14 07:59:45,197 INFO L902 garLoopResultBuilder]: At program point L5916(line 5916) the Hoare annotation is: true [2022-12-14 07:59:45,197 INFO L899 garLoopResultBuilder]: For program point L5908-1(line 5908) no Hoare annotation was computed. [2022-12-14 07:59:45,197 INFO L902 garLoopResultBuilder]: At program point L5908(line 5908) the Hoare annotation is: true [2022-12-14 07:59:45,197 INFO L902 garLoopResultBuilder]: At program point L5917(line 5917) the Hoare annotation is: true [2022-12-14 07:59:45,197 INFO L899 garLoopResultBuilder]: For program point L5917-1(lines 5875 5924) no Hoare annotation was computed. [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 5860 5925) the Hoare annotation is: true [2022-12-14 07:59:45,198 INFO L899 garLoopResultBuilder]: For program point L5918(lines 5918 5922) no Hoare annotation was computed. [2022-12-14 07:59:45,198 INFO L899 garLoopResultBuilder]: For program point L5885-2(lines 5885 5902) no Hoare annotation was computed. [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point L5885(lines 5885 5902) the Hoare annotation is: true [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point L5910(lines 5875 5924) the Hoare annotation is: true [2022-12-14 07:59:45,198 INFO L899 garLoopResultBuilder]: For program point L5894(lines 5894 5900) no Hoare annotation was computed. [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: true [2022-12-14 07:59:45,198 INFO L899 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point L5911(line 5911) the Hoare annotation is: true [2022-12-14 07:59:45,198 INFO L899 garLoopResultBuilder]: For program point L5911-1(line 5911) no Hoare annotation was computed. [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point L5920(line 5920) the Hoare annotation is: true [2022-12-14 07:59:45,198 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupFINAL(lines 5860 5925) no Hoare annotation was computed. [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-12-14 07:59:45,198 INFO L899 garLoopResultBuilder]: For program point L5904(lines 5904 5907) no Hoare annotation was computed. [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: true [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point L5913-1(line 5913) the Hoare annotation is: true [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point L6616-1(line 6616) the Hoare annotation is: true [2022-12-14 07:59:45,198 INFO L902 garLoopResultBuilder]: At program point L6616(line 6616) the Hoare annotation is: true [2022-12-14 07:59:45,199 INFO L899 garLoopResultBuilder]: For program point L5890(lines 5890 5893) no Hoare annotation was computed. [2022-12-14 07:59:45,201 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-14 07:59:45,202 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 07:59:45,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 07:59:45 BoogieIcfgContainer [2022-12-14 07:59:45,215 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 07:59:45,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 07:59:45,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 07:59:45,215 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 07:59:45,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:59:32" (3/4) ... [2022-12-14 07:59:45,218 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_clone [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure crc32_le [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-12-14 07:59:45,222 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-12-14 07:59:45,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2022-12-14 07:59:45,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2022-12-14 07:59:45,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2022-12-14 07:59:45,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-12-14 07:59:45,234 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 216 nodes and edges [2022-12-14 07:59:45,235 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2022-12-14 07:59:45,235 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-14 07:59:45,236 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 07:59:45,237 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 07:59:45,238 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 07:59:45,256 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-12-14 07:59:45,257 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-12-14 07:59:45,257 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-12-14 07:59:45,257 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-12-14 07:59:45,257 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-12-14 07:59:45,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-12-14 07:59:45,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-12-14 07:59:45,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-12-14 07:59:45,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-12-14 07:59:45,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-12-14 07:59:45,259 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-12-14 07:59:45,259 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == deleted_index + 1 && i == 0) && \old(last_index) == last_index) || !(\old(last_index) == 0) [2022-12-14 07:59:45,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) [2022-12-14 07:59:45,315 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 07:59:45,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 07:59:45,316 INFO L158 Benchmark]: Toolchain (without parser) took 15734.85ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 96.4MB in the beginning and 62.6MB in the end (delta: 33.8MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. [2022-12-14 07:59:45,316 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:59:45,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1021.12ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 95.8MB in the beginning and 75.7MB in the end (delta: 20.1MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2022-12-14 07:59:45,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.57ms. Allocated memory is still 163.6MB. Free memory was 75.7MB in the beginning and 67.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 07:59:45,317 INFO L158 Benchmark]: Boogie Preprocessor took 108.70ms. Allocated memory is still 163.6MB. Free memory was 67.3MB in the beginning and 108.4MB in the end (delta: -41.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-12-14 07:59:45,317 INFO L158 Benchmark]: RCFGBuilder took 1947.49ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 108.4MB in the beginning and 75.3MB in the end (delta: 33.0MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2022-12-14 07:59:45,317 INFO L158 Benchmark]: TraceAbstraction took 12493.02ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 74.3MB in the beginning and 80.9MB in the end (delta: -6.6MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2022-12-14 07:59:45,317 INFO L158 Benchmark]: Witness Printer took 100.56ms. Allocated memory is still 237.0MB. Free memory was 80.9MB in the beginning and 62.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 07:59:45,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 98.6MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1021.12ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 95.8MB in the beginning and 75.7MB in the end (delta: 20.1MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.57ms. Allocated memory is still 163.6MB. Free memory was 75.7MB in the beginning and 67.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.70ms. Allocated memory is still 163.6MB. Free memory was 67.3MB in the beginning and 108.4MB in the end (delta: -41.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1947.49ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 108.4MB in the beginning and 75.3MB in the end (delta: 33.0MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. * TraceAbstraction took 12493.02ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 74.3MB in the beginning and 80.9MB in the end (delta: -6.6MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Witness Printer took 100.56ms. Allocated memory is still 237.0MB. Free memory was 80.9MB in the beginning and 62.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 5681]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.4s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1169 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1163 mSDsluCounter, 3326 SdHoareTripleChecker+Invalid, 8.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1758 mSDsCounter, 152 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1036 IncrementalHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 152 mSolverCounterUnsat, 1568 mSDtfsCounter, 1036 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1635occurred in iteration=5, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 102 LocationsWithAnnotation, 2762 PreInvPairs, 2959 NumberOfFragments, 431 HoareAnnotationTreeSize, 2762 FomulaSimplifications, 444 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 102 FomulaSimplificationsInter, 4314 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 682 NumberOfCodeBlocks, 682 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 676 ConstructedInterpolants, 0 QuantifiedInterpolants, 972 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 378/378 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6118]: Loop Invariant Derived loop invariant: ldv_state_variable_0 == 1 && last_index == 0 - InvariantResult [Line: 5821]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6199]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5823]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 5716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6268]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6432]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) - InvariantResult [Line: 6418]: Loop Invariant Derived loop invariant: ((0 == deleted_index + 1 && i == 0) && \old(last_index) == last_index) || !(\old(last_index) == 0) - InvariantResult [Line: 6135]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6221]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5942]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6135]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 6189]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5913]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6138]: Loop Invariant Derived loop invariant: ldv_state_variable_2 == 0 && last_index == 0 - InvariantResult [Line: 5875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6109]: Loop Invariant Derived loop invariant: ldv_state_variable_2 == 1 && last_index == 0 - InvariantResult [Line: 5817]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6003]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 5860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5684]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6179]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 6154]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 6291]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5942]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 5989]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6043]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 5942]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6229]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 6633]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 5946]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6616]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-14 07:59:45,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b32574-b963-41db-9f0c-f8fdad05cdd2/bin/utaipan-gh47qXpMRh/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: TRUE