./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 38b53e6a 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_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/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_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-25 22:14:16,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:14:16,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:14:16,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:14:16,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:14:16,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:14:16,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:14:16,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:14:16,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:14:16,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:14:16,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:14:16,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:14:16,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:14:16,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:14:16,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:14:16,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:14:16,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:14:16,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:14:16,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:14:16,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:14:16,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:14:16,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:14:16,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:14:16,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:14:17,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:14:17,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:14:17,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:14:17,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:14:17,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:14:17,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:14:17,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:14:17,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:14:17,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:14:17,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:14:17,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:14:17,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:14:17,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:14:17,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:14:17,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:14:17,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:14:17,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:14:17,016 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:14:17,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:14:17,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:14:17,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:14:17,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:14:17,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:14:17,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:14:17,056 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:14:17,056 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:14:17,057 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:14:17,057 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:14:17,058 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:14:17,059 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:14:17,059 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:14:17,059 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:14:17,059 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:14:17,060 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:14:17,060 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:14:17,060 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:14:17,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:14:17,061 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:14:17,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:14:17,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:14:17,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:14:17,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:14:17,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:14:17,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:14:17,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:14:17,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:14:17,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:14:17,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:14:17,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:14:17,065 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:14:17,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:14:17,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:14:17,066 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:14:17,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:14:17,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:14:17,067 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:14:17,067 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_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ad15ea2ee4e38087fdbbd25111673bb935102e85f8e91f44e32009dacc41114 [2022-11-25 22:14:17,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:14:17,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:14:17,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:14:17,429 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:14:17,430 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:14:17,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/../../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 [2022-11-25 22:14:20,510 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:14:21,063 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:14:21,064 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/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 [2022-11-25 22:14:21,104 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/data/f3937fec6/e1a0268423e34397bab44dd3fc1095c2/FLAG8290c0993 [2022-11-25 22:14:21,121 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/data/f3937fec6/e1a0268423e34397bab44dd3fc1095c2 [2022-11-25 22:14:21,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:14:21,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:14:21,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:21,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:14:21,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:14:21,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:21" (1/1) ... [2022-11-25 22:14:21,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:21, skipping insertion in model container [2022-11-25 22:14:21,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:14:21" (1/1) ... [2022-11-25 22:14:21,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:14:21,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:14:22,108 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_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/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] [2022-11-25 22:14:22,144 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 22:14:22,259 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,259 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 22:14:22,264 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 22:14:22,266 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 22:14:22,267 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 22:14:22,267 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,268 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:14:22,274 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_endpoints [2022-11-25 22:14:22,276 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-11-25 22:14:22,290 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-11-25 22:14:22,292 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:14:22,293 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:14:22,294 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:14:22,295 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:14:22,307 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 22:14:22,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:14:22,325 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 22:14:22,326 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 22:14:22,327 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:14:22,329 WARN L623 FunctionHandler]: Unknown extern function usbnet_device_suggests_idle [2022-11-25 22:14:22,330 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:14:22,362 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 22:14:22,363 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:14:22,364 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 22:14:22,366 WARN L623 FunctionHandler]: Unknown extern function usbnet_skb_return [2022-11-25 22:14:22,366 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 22:14:22,414 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-11-25 22:14:22,416 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-11-25 22:14:22,416 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-11-25 22:14:22,417 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-11-25 22:14:22,418 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-11-25 22:14:22,419 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_1 [2022-11-25 22:14:22,422 WARN L623 FunctionHandler]: Unknown extern function ldv_release_2 [2022-11-25 22:14:22,424 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,424 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,425 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,425 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,426 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,426 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 22:14:22,427 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 22:14:22,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:14:22,516 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:14:22,660 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_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/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] [2022-11-25 22:14:22,666 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_any [2022-11-25 22:14:22,676 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,679 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 22:14:22,680 WARN L623 FunctionHandler]: Unknown extern function usb_alloc_urb [2022-11-25 22:14:22,683 WARN L623 FunctionHandler]: Unknown extern function usb_submit_urb [2022-11-25 22:14:22,684 WARN L623 FunctionHandler]: Unknown extern function usb_free_urb [2022-11-25 22:14:22,684 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,684 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:14:22,689 WARN L623 FunctionHandler]: Unknown extern function usbnet_get_endpoints [2022-11-25 22:14:22,690 WARN L623 FunctionHandler]: Unknown extern function usb_driver_release_interface [2022-11-25 22:14:22,694 WARN L623 FunctionHandler]: Unknown extern function skb_copy_expand [2022-11-25 22:14:22,702 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:14:22,703 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:14:22,703 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:14:22,704 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:14:22,706 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 22:14:22,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-11-25 22:14:22,713 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 22:14:22,714 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 22:14:22,714 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-11-25 22:14:22,716 WARN L623 FunctionHandler]: Unknown extern function usbnet_device_suggests_idle [2022-11-25 22:14:22,717 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-11-25 22:14:22,724 WARN L623 FunctionHandler]: Unknown extern function skb_clone [2022-11-25 22:14:22,726 WARN L623 FunctionHandler]: Unknown extern function crc32_le [2022-11-25 22:14:22,728 WARN L623 FunctionHandler]: Unknown extern function skb_trim [2022-11-25 22:14:22,729 WARN L623 FunctionHandler]: Unknown extern function usbnet_skb_return [2022-11-25 22:14:22,729 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-11-25 22:14:22,743 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-11-25 22:14:22,746 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-11-25 22:14:22,746 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-11-25 22:14:22,747 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-11-25 22:14:22,748 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-11-25 22:14:22,748 WARN L623 FunctionHandler]: Unknown extern function ldv_reset_resume_1 [2022-11-25 22:14:22,751 WARN L623 FunctionHandler]: Unknown extern function ldv_release_2 [2022-11-25 22:14:22,756 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,757 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,757 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,758 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,759 WARN L623 FunctionHandler]: Unknown extern function ldv_skb_free [2022-11-25 22:14:22,763 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-11-25 22:14:22,766 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-11-25 22:14:22,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:14:22,821 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:14:22,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22 WrapperNode [2022-11-25 22:14:22,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:14:22,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:14:22,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:14:22,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:14:22,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (1/1) ... [2022-11-25 22:14:22,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (1/1) ... [2022-11-25 22:14:22,952 INFO L138 Inliner]: procedures = 125, calls = 351, calls flagged for inlining = 58, calls inlined = 53, statements flattened = 1053 [2022-11-25 22:14:22,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:14:22,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:14:22,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:14:22,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:14:22,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (1/1) ... [2022-11-25 22:14:22,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (1/1) ... [2022-11-25 22:14:22,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (1/1) ... [2022-11-25 22:14:22,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (1/1) ... [2022-11-25 22:14:23,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (1/1) ... [2022-11-25 22:14:23,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (1/1) ... [2022-11-25 22:14:23,012 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (1/1) ... [2022-11-25 22:14:23,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (1/1) ... [2022-11-25 22:14:23,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:14:23,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:14:23,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:14:23,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:14:23,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (1/1) ... [2022-11-25 22:14:23,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:14:23,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:14:23,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:14:23,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:14:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 22:14:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 22:14:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 22:14:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:14:23,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:14:23,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:14:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-11-25 22:14:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-11-25 22:14:23,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-11-25 22:14:23,112 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-11-25 22:14:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2022-11-25 22:14:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2022-11-25 22:14:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-25 22:14:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-25 22:14:23,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:14:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:14:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-25 22:14:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-25 22:14:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:14:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 22:14:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 22:14:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-11-25 22:14:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-11-25 22:14:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:14:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:14:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-25 22:14:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-25 22:14:23,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 22:14:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 22:14:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 22:14:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 22:14:23,123 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2022-11-25 22:14:23,123 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2022-11-25 22:14:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:14:23,124 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-25 22:14:23,125 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-25 22:14:23,125 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-25 22:14:23,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-25 22:14:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:14:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:14:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:14:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:14:23,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-25 22:14:23,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-25 22:14:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-25 22:14:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-25 22:14:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:14:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:14:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-25 22:14:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-25 22:14:23,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:14:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 22:14:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 22:14:23,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 22:14:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:14:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:14:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2022-11-25 22:14:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2022-11-25 22:14:23,587 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:14:23,592 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:14:23,680 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:14:25,705 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:14:26,079 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:14:26,079 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 22:14:26,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:14:26 BoogieIcfgContainer [2022-11-25 22:14:26,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:14:26,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:14:26,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:14:26,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:14:26,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:14:21" (1/3) ... [2022-11-25 22:14:26,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc55e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:14:26, skipping insertion in model container [2022-11-25 22:14:26,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:14:22" (2/3) ... [2022-11-25 22:14:26,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc55e74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:14:26, skipping insertion in model container [2022-11-25 22:14:26,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:14:26" (3/3) ... [2022-11-25 22:14:26,095 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 [2022-11-25 22:14:26,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:14:26,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:14:26,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:14:26,194 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;@199ae0b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:14:26,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:14:26,201 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) [2022-11-25 22:14:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 22:14:26,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:14:26,215 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] [2022-11-25 22:14:26,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:14:26,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:14:26,225 INFO L85 PathProgramCache]: Analyzing trace with hash 265313630, now seen corresponding path program 1 times [2022-11-25 22:14:26,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:14:26,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755229348] [2022-11-25 22:14:26,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:14:26,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:14:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:14:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 22:14:26,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:14:26,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755229348] [2022-11-25 22:14:26,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755229348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:14:26,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:14:26,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:14:26,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846182438] [2022-11-25 22:14:26,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:14:26,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:14:26,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:14:26,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:14:26,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:14:26,850 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) [2022-11-25 22:14:28,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:14:28,319 INFO L93 Difference]: Finished difference Result 614 states and 887 transitions. [2022-11-25 22:14:28,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:14:28,325 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 [2022-11-25 22:14:28,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:14:28,338 INFO L225 Difference]: With dead ends: 614 [2022-11-25 22:14:28,338 INFO L226 Difference]: Without dead ends: 396 [2022-11-25 22:14:28,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:14:28,347 INFO L413 NwaCegarLoop]: 300 mSDtfsCounter, 268 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:14:28,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 550 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 22:14:28,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-11-25 22:14:28,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2022-11-25 22:14:28,433 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) [2022-11-25 22:14:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 556 transitions. [2022-11-25 22:14:28,444 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 556 transitions. Word has length 33 [2022-11-25 22:14:28,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:14:28,445 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 556 transitions. [2022-11-25 22:14:28,445 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) [2022-11-25 22:14:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 556 transitions. [2022-11-25 22:14:28,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-25 22:14:28,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:14:28,451 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] [2022-11-25 22:14:28,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:14:28,452 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:14:28,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:14:28,452 INFO L85 PathProgramCache]: Analyzing trace with hash 493506513, now seen corresponding path program 1 times [2022-11-25 22:14:28,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:14:28,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780516867] [2022-11-25 22:14:28,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:14:28,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:14:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:14:28,826 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-25 22:14:28,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:14:28,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780516867] [2022-11-25 22:14:28,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780516867] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:14:28,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:14:28,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:14:28,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865923001] [2022-11-25 22:14:28,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:14:28,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:14:28,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:14:28,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:14:28,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:14:28,830 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) [2022-11-25 22:14:30,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:14:30,229 INFO L93 Difference]: Finished difference Result 780 states and 1104 transitions. [2022-11-25 22:14:30,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:14:30,231 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 [2022-11-25 22:14:30,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:14:30,239 INFO L225 Difference]: With dead ends: 780 [2022-11-25 22:14:30,240 INFO L226 Difference]: Without dead ends: 775 [2022-11-25 22:14:30,241 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 [2022-11-25 22:14:30,242 INFO L413 NwaCegarLoop]: 287 mSDtfsCounter, 274 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 22:14:30,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 811 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 22:14:30,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2022-11-25 22:14:30,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 769. [2022-11-25 22:14:30,321 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) [2022-11-25 22:14:30,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1089 transitions. [2022-11-25 22:14:30,327 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1089 transitions. Word has length 42 [2022-11-25 22:14:30,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:14:30,328 INFO L495 AbstractCegarLoop]: Abstraction has 769 states and 1089 transitions. [2022-11-25 22:14:30,328 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) [2022-11-25 22:14:30,329 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1089 transitions. [2022-11-25 22:14:30,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-25 22:14:30,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:14:30,338 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] [2022-11-25 22:14:30,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:14:30,339 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:14:30,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:14:30,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1703520507, now seen corresponding path program 1 times [2022-11-25 22:14:30,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:14:30,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76791940] [2022-11-25 22:14:30,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:14:30,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:14:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:14:30,605 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-25 22:14:30,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:14:30,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76791940] [2022-11-25 22:14:30,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76791940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:14:30,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:14:30,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:14:30,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173312209] [2022-11-25 22:14:30,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:14:30,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:14:30,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:14:30,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:14:30,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:14:30,609 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) [2022-11-25 22:14:31,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:14:31,800 INFO L93 Difference]: Finished difference Result 1683 states and 2388 transitions. [2022-11-25 22:14:31,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:14:31,801 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 [2022-11-25 22:14:31,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:14:31,811 INFO L225 Difference]: With dead ends: 1683 [2022-11-25 22:14:31,812 INFO L226 Difference]: Without dead ends: 926 [2022-11-25 22:14:31,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:14:31,823 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 75 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:14:31,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 481 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 22:14:31,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2022-11-25 22:14:31,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 921. [2022-11-25 22:14:31,926 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) [2022-11-25 22:14:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1307 transitions. [2022-11-25 22:14:31,932 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1307 transitions. Word has length 138 [2022-11-25 22:14:31,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:14:31,935 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1307 transitions. [2022-11-25 22:14:31,935 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) [2022-11-25 22:14:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1307 transitions. [2022-11-25 22:14:31,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-25 22:14:31,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:14:31,953 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] [2022-11-25 22:14:31,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:14:31,954 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:14:31,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:14:31,955 INFO L85 PathProgramCache]: Analyzing trace with hash -586308607, now seen corresponding path program 1 times [2022-11-25 22:14:31,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:14:31,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478987765] [2022-11-25 22:14:31,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:14:31,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:14:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:14:32,189 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2022-11-25 22:14:32,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:14:32,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478987765] [2022-11-25 22:14:32,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478987765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:14:32,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:14:32,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:14:32,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262940456] [2022-11-25 22:14:32,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:14:32,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:14:32,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:14:32,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:14:32,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:14:32,194 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) [2022-11-25 22:14:33,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:14:33,483 INFO L93 Difference]: Finished difference Result 2525 states and 3582 transitions. [2022-11-25 22:14:33,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:14:33,484 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 [2022-11-25 22:14:33,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:14:33,493 INFO L225 Difference]: With dead ends: 2525 [2022-11-25 22:14:33,493 INFO L226 Difference]: Without dead ends: 1624 [2022-11-25 22:14:33,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:14:33,505 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 252 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 22:14:33,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 550 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 22:14:33,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2022-11-25 22:14:33,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1619. [2022-11-25 22:14:33,635 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) [2022-11-25 22:14:33,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2275 transitions. [2022-11-25 22:14:33,644 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2275 transitions. Word has length 156 [2022-11-25 22:14:33,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:14:33,645 INFO L495 AbstractCegarLoop]: Abstraction has 1619 states and 2275 transitions. [2022-11-25 22:14:33,645 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) [2022-11-25 22:14:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2275 transitions. [2022-11-25 22:14:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-25 22:14:33,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:14:33,650 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] [2022-11-25 22:14:33,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:14:33,651 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:14:33,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:14:33,652 INFO L85 PathProgramCache]: Analyzing trace with hash -254222081, now seen corresponding path program 1 times [2022-11-25 22:14:33,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:14:33,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163603984] [2022-11-25 22:14:33,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:14:33,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:14:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:14:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-25 22:14:33,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:14:33,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163603984] [2022-11-25 22:14:33,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163603984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:14:33,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:14:33,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:14:33,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798160769] [2022-11-25 22:14:33,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:14:33,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:14:33,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:14:33,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:14:33,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:14:33,919 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) [2022-11-25 22:14:35,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 22:14:36,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:14:36,504 INFO L93 Difference]: Finished difference Result 2443 states and 3456 transitions. [2022-11-25 22:14:36,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:14:36,504 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 [2022-11-25 22:14:36,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:14:36,513 INFO L225 Difference]: With dead ends: 2443 [2022-11-25 22:14:36,513 INFO L226 Difference]: Without dead ends: 1635 [2022-11-25 22:14:36,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:14:36,517 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 [2022-11-25 22:14:36,518 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] [2022-11-25 22:14:36,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2022-11-25 22:14:36,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1635. [2022-11-25 22:14:36,609 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) [2022-11-25 22:14:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2291 transitions. [2022-11-25 22:14:36,618 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2291 transitions. Word has length 156 [2022-11-25 22:14:36,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:14:36,618 INFO L495 AbstractCegarLoop]: Abstraction has 1635 states and 2291 transitions. [2022-11-25 22:14:36,619 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) [2022-11-25 22:14:36,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2291 transitions. [2022-11-25 22:14:36,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-25 22:14:36,623 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:14:36,623 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] [2022-11-25 22:14:36,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:14:36,624 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:14:36,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:14:36,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1455097649, now seen corresponding path program 1 times [2022-11-25 22:14:36,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:14:36,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641891510] [2022-11-25 22:14:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:14:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:14:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:14:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-25 22:14:37,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:14:37,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641891510] [2022-11-25 22:14:37,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641891510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:14:37,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:14:37,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-25 22:14:37,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056843346] [2022-11-25 22:14:37,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:14:37,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 22:14:37,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:14:37,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 22:14:37,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:14:37,376 INFO L87 Difference]: Start difference. First operand 1635 states and 2291 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 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) [2022-11-25 22:14:41,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:14:41,319 INFO L93 Difference]: Finished difference Result 2422 states and 3409 transitions. [2022-11-25 22:14:41,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:14:41,320 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 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 [2022-11-25 22:14:41,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:14:41,321 INFO L225 Difference]: With dead ends: 2422 [2022-11-25 22:14:41,321 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 22:14:41,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-25 22:14:41,327 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 290 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:14:41,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 495 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-25 22:14:41,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 22:14:41,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 22:14:41,329 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) [2022-11-25 22:14:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 22:14:41,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2022-11-25 22:14:41,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:14:41,330 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 22:14:41,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 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) [2022-11-25 22:14:41,330 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 22:14:41,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 22:14:41,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 22:14:41,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:14:41,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 22:14:42,833 INFO L902 garLoopResultBuilder]: At program point skb_putENTRY(lines 6624 6628) the Hoare annotation is: true [2022-11-25 22:14:42,833 INFO L899 garLoopResultBuilder]: For program point skb_putEXIT(lines 6624 6628) no Hoare annotation was computed. [2022-11-25 22:14:42,833 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 5677 5683) the Hoare annotation is: true [2022-11-25 22:14:42,833 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5681) no Hoare annotation was computed. [2022-11-25 22:14:42,833 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 5677 5683) no Hoare annotation was computed. [2022-11-25 22:14:42,833 INFO L899 garLoopResultBuilder]: For program point L6619-1(line 6619) no Hoare annotation was computed. [2022-11-25 22:14:42,834 INFO L902 garLoopResultBuilder]: At program point skb_pullENTRY(lines 6618 6620) the Hoare annotation is: true [2022-11-25 22:14:42,834 INFO L902 garLoopResultBuilder]: At program point L6619(line 6619) the Hoare annotation is: true [2022-11-25 22:14:42,834 INFO L899 garLoopResultBuilder]: For program point skb_pullEXIT(lines 6618 6620) no Hoare annotation was computed. [2022-11-25 22:14:42,834 INFO L899 garLoopResultBuilder]: For program point ldv_stopEXIT(lines 5684 5690) no Hoare annotation was computed. [2022-11-25 22:14:42,834 INFO L902 garLoopResultBuilder]: At program point ldv_stopENTRY(lines 5684 5690) the Hoare annotation is: true [2022-11-25 22:14:42,834 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 5691 5696) the Hoare annotation is: true [2022-11-25 22:14:42,834 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 5691 5696) no Hoare annotation was computed. [2022-11-25 22:14:42,834 INFO L902 garLoopResultBuilder]: At program point usbnet_disconnectENTRY(lines 6655 6657) the Hoare annotation is: true [2022-11-25 22:14:42,834 INFO L899 garLoopResultBuilder]: For program point usbnet_disconnectEXIT(lines 6655 6657) no Hoare annotation was computed. [2022-11-25 22:14:42,834 INFO L902 garLoopResultBuilder]: At program point put_unaligned_le16ENTRY(lines 5748 5754) the Hoare annotation is: true [2022-11-25 22:14:42,834 INFO L899 garLoopResultBuilder]: For program point put_unaligned_le16EXIT(lines 5748 5754) no Hoare annotation was computed. [2022-11-25 22:14:42,835 INFO L902 garLoopResultBuilder]: At program point L6622(line 6622) the Hoare annotation is: true [2022-11-25 22:14:42,835 INFO L899 garLoopResultBuilder]: For program point L6622-1(line 6622) no Hoare annotation was computed. [2022-11-25 22:14:42,835 INFO L902 garLoopResultBuilder]: At program point skb_pushENTRY(lines 6621 6623) the Hoare annotation is: true [2022-11-25 22:14:42,835 INFO L899 garLoopResultBuilder]: For program point skb_pushEXIT(lines 6621 6623) no Hoare annotation was computed. [2022-11-25 22:14:42,835 INFO L899 garLoopResultBuilder]: For program point L6433(lines 6433 6436) no Hoare annotation was computed. [2022-11-25 22:14:42,835 INFO L899 garLoopResultBuilder]: For program point L6423(lines 6423 6427) no Hoare annotation was computed. [2022-11-25 22:14:42,835 INFO L899 garLoopResultBuilder]: For program point L6419(lines 6419 6422) no Hoare annotation was computed. [2022-11-25 22:14:42,835 INFO L895 garLoopResultBuilder]: At program point L6432-2(lines 6432 6439) the Hoare annotation is: (not (= |old(~last_index~0)| 0)) [2022-11-25 22:14:42,836 INFO L895 garLoopResultBuilder]: At program point ldv_set_removeENTRY(lines 6411 6445) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-25 22:14:42,836 INFO L899 garLoopResultBuilder]: For program point L6432-3(lines 6432 6439) no Hoare annotation was computed. [2022-11-25 22:14:42,836 INFO L899 garLoopResultBuilder]: For program point L6430-1(lines 6411 6445) no Hoare annotation was computed. [2022-11-25 22:14:42,836 INFO L899 garLoopResultBuilder]: For program point L6418-3(lines 6415 6444) no Hoare annotation was computed. [2022-11-25 22:14:42,836 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))) [2022-11-25 22:14:42,836 INFO L899 garLoopResultBuilder]: For program point ldv_set_removeEXIT(lines 6411 6445) no Hoare annotation was computed. [2022-11-25 22:14:42,836 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2022-11-25 22:14:42,836 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-25 22:14:42,837 INFO L902 garLoopResultBuilder]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2022-11-25 22:14:42,837 INFO L899 garLoopResultBuilder]: For program point skb_cloneEXIT(lines 6612 6614) no Hoare annotation was computed. [2022-11-25 22:14:42,837 INFO L902 garLoopResultBuilder]: At program point skb_cloneENTRY(lines 6612 6614) the Hoare annotation is: true [2022-11-25 22:14:42,837 INFO L899 garLoopResultBuilder]: For program point L6613-1(line 6613) no Hoare annotation was computed. [2022-11-25 22:14:42,837 INFO L902 garLoopResultBuilder]: At program point L6613(line 6613) the Hoare annotation is: true [2022-11-25 22:14:42,837 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 5624 5626) the Hoare annotation is: true [2022-11-25 22:14:42,837 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5624 5626) no Hoare annotation was computed. [2022-11-25 22:14:42,837 INFO L895 garLoopResultBuilder]: At program point ldv_skb_freeENTRY(lines 6532 6538) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-25 22:14:42,837 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeFINAL(lines 6532 6538) no Hoare annotation was computed. [2022-11-25 22:14:42,838 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)) [2022-11-25 22:14:42,838 INFO L899 garLoopResultBuilder]: For program point ldv_skb_freeEXIT(lines 6532 6538) no Hoare annotation was computed. [2022-11-25 22:14:42,838 INFO L899 garLoopResultBuilder]: For program point usb_free_urbEXIT(lines 6641 6643) no Hoare annotation was computed. [2022-11-25 22:14:42,838 INFO L902 garLoopResultBuilder]: At program point usb_free_urbENTRY(lines 6641 6643) the Hoare annotation is: true [2022-11-25 22:14:42,838 INFO L899 garLoopResultBuilder]: For program point L5973(lines 5973 5976) no Hoare annotation was computed. [2022-11-25 22:14:42,838 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)) [2022-11-25 22:14:42,838 INFO L899 garLoopResultBuilder]: For program point L6031-1(line 6031) no Hoare annotation was computed. [2022-11-25 22:14:42,839 INFO L895 garLoopResultBuilder]: At program point eem_rx_fixupENTRY(lines 5926 6059) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-25 22:14:42,839 INFO L899 garLoopResultBuilder]: For program point L5833(line 5833) no Hoare annotation was computed. [2022-11-25 22:14:42,839 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupFINAL(lines 5926 6059) no Hoare annotation was computed. [2022-11-25 22:14:42,839 INFO L899 garLoopResultBuilder]: For program point L6024(lines 6024 6027) no Hoare annotation was computed. [2022-11-25 22:14:42,839 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)) [2022-11-25 22:14:42,840 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)) [2022-11-25 22:14:42,840 INFO L899 garLoopResultBuilder]: For program point L5951-1(line 5951) no Hoare annotation was computed. [2022-11-25 22:14:42,840 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)) [2022-11-25 22:14:42,840 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)) [2022-11-25 22:14:42,840 INFO L899 garLoopResultBuilder]: For program point L6009(lines 6009 6012) no Hoare annotation was computed. [2022-11-25 22:14:42,840 INFO L899 garLoopResultBuilder]: For program point L6042-1(line 6042) no Hoare annotation was computed. [2022-11-25 22:14:42,840 INFO L899 garLoopResultBuilder]: For program point L5960-1(line 5960) no Hoare annotation was computed. [2022-11-25 22:14:42,841 INFO L899 garLoopResultBuilder]: For program point L5993(line 5993) no Hoare annotation was computed. [2022-11-25 22:14:42,841 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)) [2022-11-25 22:14:42,841 INFO L899 garLoopResultBuilder]: For program point L6051(line 6051) no Hoare annotation was computed. [2022-11-25 22:14:42,841 INFO L899 garLoopResultBuilder]: For program point L6018(lines 6018 6028) no Hoare annotation was computed. [2022-11-25 22:14:42,841 INFO L899 garLoopResultBuilder]: For program point L5985(line 5985) no Hoare annotation was computed. [2022-11-25 22:14:42,841 INFO L899 garLoopResultBuilder]: For program point L5952(lines 5952 6049) no Hoare annotation was computed. [2022-11-25 22:14:42,842 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)) [2022-11-25 22:14:42,842 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)) [2022-11-25 22:14:42,842 INFO L895 garLoopResultBuilder]: At program point L6043-1(lines 5952 6049) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-25 22:14:42,842 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)) [2022-11-25 22:14:42,842 INFO L899 garLoopResultBuilder]: For program point L5977-1(line 5977) no Hoare annotation was computed. [2022-11-25 22:14:42,842 INFO L899 garLoopResultBuilder]: For program point eem_rx_fixupEXIT(lines 5926 6059) no Hoare annotation was computed. [2022-11-25 22:14:42,843 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)) [2022-11-25 22:14:42,843 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)) [2022-11-25 22:14:42,843 INFO L899 garLoopResultBuilder]: For program point L5953(lines 5953 5968) no Hoare annotation was computed. [2022-11-25 22:14:42,843 INFO L899 garLoopResultBuilder]: For program point L5986-1(line 5986) no Hoare annotation was computed. [2022-11-25 22:14:42,843 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)) [2022-11-25 22:14:42,843 INFO L899 garLoopResultBuilder]: For program point L5978-1(lines 5978 5979) no Hoare annotation was computed. [2022-11-25 22:14:42,844 INFO L895 garLoopResultBuilder]: At program point L5838(lines 5817 5840) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-25 22:14:42,844 INFO L899 garLoopResultBuilder]: For program point L5830(lines 5830 5837) no Hoare annotation was computed. [2022-11-25 22:14:42,844 INFO L899 garLoopResultBuilder]: For program point L6053(lines 6053 6056) no Hoare annotation was computed. [2022-11-25 22:14:42,844 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)) [2022-11-25 22:14:42,844 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)) [2022-11-25 22:14:42,844 INFO L899 garLoopResultBuilder]: For program point L5971(line 5971) no Hoare annotation was computed. [2022-11-25 22:14:42,845 INFO L899 garLoopResultBuilder]: For program point L6037(lines 6003 6049) no Hoare annotation was computed. [2022-11-25 22:14:42,845 INFO L899 garLoopResultBuilder]: For program point L6004(lines 6004 6007) no Hoare annotation was computed. [2022-11-25 22:14:42,845 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)) [2022-11-25 22:14:42,845 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)) [2022-11-25 22:14:42,845 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)) [2022-11-25 22:14:42,845 INFO L895 garLoopResultBuilder]: At program point L6054(lines 5942 6058) the Hoare annotation is: (or (not (= |old(~last_index~0)| 0)) (= |old(~last_index~0)| ~last_index~0)) [2022-11-25 22:14:42,846 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)) [2022-11-25 22:14:42,846 INFO L899 garLoopResultBuilder]: For program point L6021-1(line 6021) no Hoare annotation was computed. [2022-11-25 22:14:42,846 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)) [2022-11-25 22:14:42,846 INFO L899 garLoopResultBuilder]: For program point L6013(lines 6013 6016) no Hoare annotation was computed. [2022-11-25 22:14:42,846 INFO L899 garLoopResultBuilder]: For program point L5980(lines 5980 5983) no Hoare annotation was computed. [2022-11-25 22:14:42,846 INFO L899 garLoopResultBuilder]: For program point L5997(line 5997) no Hoare annotation was computed. [2022-11-25 22:14:42,847 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)) [2022-11-25 22:14:42,847 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)) [2022-11-25 22:14:42,847 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)) [2022-11-25 22:14:42,847 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)) [2022-11-25 22:14:42,847 INFO L899 garLoopResultBuilder]: For program point L6022-1(lines 6022 6023) no Hoare annotation was computed. [2022-11-25 22:14:42,847 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 5627 5643) the Hoare annotation is: true [2022-11-25 22:14:42,848 INFO L902 garLoopResultBuilder]: At program point L5639(line 5639) the Hoare annotation is: true [2022-11-25 22:14:42,848 INFO L899 garLoopResultBuilder]: For program point L5639-1(line 5639) no Hoare annotation was computed. [2022-11-25 22:14:42,848 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 5627 5643) no Hoare annotation was computed. [2022-11-25 22:14:42,848 INFO L899 garLoopResultBuilder]: For program point L5634(lines 5634 5641) no Hoare annotation was computed. [2022-11-25 22:14:42,848 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 5627 5643) no Hoare annotation was computed. [2022-11-25 22:14:42,848 INFO L899 garLoopResultBuilder]: For program point crc32_leEXIT(lines 6597 6599) no Hoare annotation was computed. [2022-11-25 22:14:42,849 INFO L902 garLoopResultBuilder]: At program point crc32_leENTRY(lines 6597 6599) the Hoare annotation is: true [2022-11-25 22:14:42,849 INFO L899 garLoopResultBuilder]: For program point L5656-1(line 5656) no Hoare annotation was computed. [2022-11-25 22:14:42,849 INFO L899 garLoopResultBuilder]: For program point ldv_zallocEXIT(lines 5644 5660) no Hoare annotation was computed. [2022-11-25 22:14:42,849 INFO L902 garLoopResultBuilder]: At program point L5656(line 5656) the Hoare annotation is: true [2022-11-25 22:14:42,849 INFO L899 garLoopResultBuilder]: For program point L5651(lines 5651 5658) no Hoare annotation was computed. [2022-11-25 22:14:42,849 INFO L902 garLoopResultBuilder]: At program point ldv_zallocENTRY(lines 5644 5660) the Hoare annotation is: true [2022-11-25 22:14:42,849 INFO L899 garLoopResultBuilder]: For program point ldv_zallocFINAL(lines 5644 5660) no Hoare annotation was computed. [2022-11-25 22:14:42,850 INFO L899 garLoopResultBuilder]: For program point skb_trimEXIT(lines 6629 6631) no Hoare annotation was computed. [2022-11-25 22:14:42,850 INFO L902 garLoopResultBuilder]: At program point skb_trimENTRY(lines 6629 6631) the Hoare annotation is: true [2022-11-25 22:14:42,850 INFO L895 garLoopResultBuilder]: At program point L6229(lines 6229 6243) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,850 INFO L899 garLoopResultBuilder]: For program point L6279(line 6279) no Hoare annotation was computed. [2022-11-25 22:14:42,850 INFO L902 garLoopResultBuilder]: At program point L6246(line 6246) the Hoare annotation is: true [2022-11-25 22:14:42,850 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 22:14:42,850 INFO L895 garLoopResultBuilder]: At program point L6263(line 6263) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,851 INFO L899 garLoopResultBuilder]: For program point L6263-1(line 6263) no Hoare annotation was computed. [2022-11-25 22:14:42,851 INFO L899 garLoopResultBuilder]: For program point L6280-2(lines 6255 6301) no Hoare annotation was computed. [2022-11-25 22:14:42,851 INFO L899 garLoopResultBuilder]: For program point L6280(lines 6280 6284) no Hoare annotation was computed. [2022-11-25 22:14:42,851 INFO L899 garLoopResultBuilder]: For program point L6231(lines 6231 6236) no Hoare annotation was computed. [2022-11-25 22:14:42,851 INFO L899 garLoopResultBuilder]: For program point L6165(line 6165) no Hoare annotation was computed. [2022-11-25 22:14:42,851 INFO L899 garLoopResultBuilder]: For program point L6231-2(lines 6229 6242) no Hoare annotation was computed. [2022-11-25 22:14:42,852 INFO L895 garLoopResultBuilder]: At program point L6281(line 6281) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-25 22:14:42,852 INFO L899 garLoopResultBuilder]: For program point L6281-1(line 6281) no Hoare annotation was computed. [2022-11-25 22:14:42,852 INFO L899 garLoopResultBuilder]: For program point L6149(lines 6149 6308) no Hoare annotation was computed. [2022-11-25 22:14:42,852 INFO L895 garLoopResultBuilder]: At program point L6199(line 6199) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,852 INFO L899 garLoopResultBuilder]: For program point L6166(lines 6166 6171) no Hoare annotation was computed. [2022-11-25 22:14:42,852 INFO L899 garLoopResultBuilder]: For program point L6166-2(lines 6153 6211) no Hoare annotation was computed. [2022-11-25 22:14:42,853 INFO L899 garLoopResultBuilder]: For program point L6150(line 6150) no Hoare annotation was computed. [2022-11-25 22:14:42,853 INFO L899 garLoopResultBuilder]: For program point L6216(line 6216) no Hoare annotation was computed. [2022-11-25 22:14:42,853 INFO L899 garLoopResultBuilder]: For program point L6299(line 6299) no Hoare annotation was computed. [2022-11-25 22:14:42,853 INFO L895 garLoopResultBuilder]: At program point L6167(line 6167) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,853 INFO L899 garLoopResultBuilder]: For program point L6167-1(line 6167) no Hoare annotation was computed. [2022-11-25 22:14:42,853 INFO L899 garLoopResultBuilder]: For program point L6151(lines 6151 6214) no Hoare annotation was computed. [2022-11-25 22:14:42,853 INFO L895 garLoopResultBuilder]: At program point L6118(line 6118) the Hoare annotation is: (and (= ~ldv_state_variable_0~0 1) (= ~last_index~0 0)) [2022-11-25 22:14:42,854 INFO L899 garLoopResultBuilder]: For program point L6217(lines 6217 6250) no Hoare annotation was computed. [2022-11-25 22:14:42,854 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)) [2022-11-25 22:14:42,854 INFO L902 garLoopResultBuilder]: At program point L6300(line 6300) the Hoare annotation is: true [2022-11-25 22:14:42,854 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 22:14:42,854 INFO L895 garLoopResultBuilder]: At program point L6268(line 6268) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,854 INFO L899 garLoopResultBuilder]: For program point L6136-1(line 6136) no Hoare annotation was computed. [2022-11-25 22:14:42,855 INFO L899 garLoopResultBuilder]: For program point L6582(lines 6582 6585) no Hoare annotation was computed. [2022-11-25 22:14:42,855 INFO L895 garLoopResultBuilder]: At program point L6136(line 6136) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-25 22:14:42,855 INFO L899 garLoopResultBuilder]: For program point L6219(lines 6219 6247) no Hoare annotation was computed. [2022-11-25 22:14:42,855 INFO L899 garLoopResultBuilder]: For program point L6252(line 6252) no Hoare annotation was computed. [2022-11-25 22:14:42,855 INFO L899 garLoopResultBuilder]: For program point L6153(lines 6153 6211) no Hoare annotation was computed. [2022-11-25 22:14:42,855 INFO L895 garLoopResultBuilder]: At program point L6286(line 6286) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,856 INFO L895 garLoopResultBuilder]: At program point L6154(line 6154) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,856 INFO L899 garLoopResultBuilder]: For program point L6253(lines 6253 6304) no Hoare annotation was computed. [2022-11-25 22:14:42,856 INFO L899 garLoopResultBuilder]: For program point L6286-1(line 6286) no Hoare annotation was computed. [2022-11-25 22:14:42,856 INFO L899 garLoopResultBuilder]: For program point L6220(line 6220) no Hoare annotation was computed. [2022-11-25 22:14:42,856 INFO L895 garLoopResultBuilder]: At program point L6138(line 6138) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-25 22:14:42,856 INFO L902 garLoopResultBuilder]: At program point L6584-1(lines 6577 6588) the Hoare annotation is: true [2022-11-25 22:14:42,856 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)) [2022-11-25 22:14:42,857 INFO L895 garLoopResultBuilder]: At program point L6584(line 6584) the Hoare annotation is: false [2022-11-25 22:14:42,857 INFO L895 garLoopResultBuilder]: At program point L6221(lines 6221 6226) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,857 INFO L899 garLoopResultBuilder]: For program point L6255(lines 6255 6301) no Hoare annotation was computed. [2022-11-25 22:14:42,857 INFO L895 garLoopResultBuilder]: At program point L6189(line 6189) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,857 INFO L895 garLoopResultBuilder]: At program point L6239(lines 6135 6314) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,857 INFO L895 garLoopResultBuilder]: At program point L6107(line 6107) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-25 22:14:42,858 INFO L899 garLoopResultBuilder]: For program point L6107-1(line 6107) no Hoare annotation was computed. [2022-11-25 22:14:42,858 INFO L895 garLoopResultBuilder]: At program point L6173(line 6173) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,858 INFO L899 garLoopResultBuilder]: For program point L6173-1(line 6173) no Hoare annotation was computed. [2022-11-25 22:14:42,858 INFO L899 garLoopResultBuilder]: For program point L6256(line 6256) no Hoare annotation was computed. [2022-11-25 22:14:42,858 INFO L899 garLoopResultBuilder]: For program point L6306(line 6306) no Hoare annotation was computed. [2022-11-25 22:14:42,858 INFO L895 garLoopResultBuilder]: At program point L6141(line 6141) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-25 22:14:42,859 INFO L899 garLoopResultBuilder]: For program point L6141-1(line 6141) no Hoare annotation was computed. [2022-11-25 22:14:42,859 INFO L899 garLoopResultBuilder]: For program point L6257-2(lines 6255 6301) no Hoare annotation was computed. [2022-11-25 22:14:42,859 INFO L899 garLoopResultBuilder]: For program point L6257(lines 6257 6261) no Hoare annotation was computed. [2022-11-25 22:14:42,859 INFO L902 garLoopResultBuilder]: At program point L6307(line 6307) the Hoare annotation is: true [2022-11-25 22:14:42,859 INFO L895 garLoopResultBuilder]: At program point L6142(line 6142) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 0) (= ~last_index~0 0)) [2022-11-25 22:14:42,859 INFO L899 garLoopResultBuilder]: For program point L6142-1(line 6142) no Hoare annotation was computed. [2022-11-25 22:14:42,860 INFO L895 garLoopResultBuilder]: At program point L6109(line 6109) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-25 22:14:42,860 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)) [2022-11-25 22:14:42,860 INFO L895 garLoopResultBuilder]: At program point L6291(line 6291) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,860 INFO L895 garLoopResultBuilder]: At program point L6258(line 6258) the Hoare annotation is: (and (= ~ldv_state_variable_2~0 1) (= ~last_index~0 0)) [2022-11-25 22:14:42,860 INFO L899 garLoopResultBuilder]: For program point L6258-1(line 6258) no Hoare annotation was computed. [2022-11-25 22:14:42,860 INFO L899 garLoopResultBuilder]: For program point L6209(line 6209) no Hoare annotation was computed. [2022-11-25 22:14:42,860 INFO L902 garLoopResultBuilder]: At program point L6210(line 6210) the Hoare annotation is: true [2022-11-25 22:14:42,861 INFO L895 garLoopResultBuilder]: At program point L6309(lines 6135 6314) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,861 INFO L899 garLoopResultBuilder]: For program point L6228(line 6228) no Hoare annotation was computed. [2022-11-25 22:14:42,861 INFO L895 garLoopResultBuilder]: At program point L6179(line 6179) the Hoare annotation is: (= ~last_index~0 0) [2022-11-25 22:14:42,861 INFO L899 garLoopResultBuilder]: For program point L6245(line 6245) no Hoare annotation was computed. [2022-11-25 22:14:42,861 INFO L902 garLoopResultBuilder]: At program point dev_kfree_skb_anyENTRY(lines 5716 5722) the Hoare annotation is: true [2022-11-25 22:14:42,861 INFO L899 garLoopResultBuilder]: For program point dev_kfree_skb_anyEXIT(lines 5716 5722) no Hoare annotation was computed. [2022-11-25 22:14:42,862 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupEXIT(lines 5860 5925) no Hoare annotation was computed. [2022-11-25 22:14:42,862 INFO L899 garLoopResultBuilder]: For program point L5916-1(line 5916) no Hoare annotation was computed. [2022-11-25 22:14:42,862 INFO L902 garLoopResultBuilder]: At program point L5916(line 5916) the Hoare annotation is: true [2022-11-25 22:14:42,862 INFO L899 garLoopResultBuilder]: For program point L5908-1(line 5908) no Hoare annotation was computed. [2022-11-25 22:14:42,862 INFO L902 garLoopResultBuilder]: At program point L5908(line 5908) the Hoare annotation is: true [2022-11-25 22:14:42,862 INFO L902 garLoopResultBuilder]: At program point L5917(line 5917) the Hoare annotation is: true [2022-11-25 22:14:42,862 INFO L899 garLoopResultBuilder]: For program point L5917-1(lines 5875 5924) no Hoare annotation was computed. [2022-11-25 22:14:42,863 INFO L899 garLoopResultBuilder]: For program point L5918(lines 5918 5922) no Hoare annotation was computed. [2022-11-25 22:14:42,863 INFO L899 garLoopResultBuilder]: For program point L5885-2(lines 5885 5902) no Hoare annotation was computed. [2022-11-25 22:14:42,863 INFO L902 garLoopResultBuilder]: At program point L5885(lines 5885 5902) the Hoare annotation is: true [2022-11-25 22:14:42,863 INFO L902 garLoopResultBuilder]: At program point L5910(lines 5875 5924) the Hoare annotation is: true [2022-11-25 22:14:42,863 INFO L899 garLoopResultBuilder]: For program point L5894(lines 5894 5900) no Hoare annotation was computed. [2022-11-25 22:14:42,863 INFO L902 garLoopResultBuilder]: At program point L5919(line 5919) the Hoare annotation is: true [2022-11-25 22:14:42,864 INFO L899 garLoopResultBuilder]: For program point L5919-1(line 5919) no Hoare annotation was computed. [2022-11-25 22:14:42,864 INFO L902 garLoopResultBuilder]: At program point L5911(line 5911) the Hoare annotation is: true [2022-11-25 22:14:42,864 INFO L899 garLoopResultBuilder]: For program point L5911-1(line 5911) no Hoare annotation was computed. [2022-11-25 22:14:42,864 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2022-11-25 22:14:42,864 INFO L902 garLoopResultBuilder]: At program point L5920(line 5920) the Hoare annotation is: true [2022-11-25 22:14:42,864 INFO L899 garLoopResultBuilder]: For program point eem_tx_fixupFINAL(lines 5860 5925) no Hoare annotation was computed. [2022-11-25 22:14:42,864 INFO L902 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: true [2022-11-25 22:14:42,865 INFO L902 garLoopResultBuilder]: At program point eem_tx_fixupENTRY(lines 5860 5925) the Hoare annotation is: true [2022-11-25 22:14:42,865 INFO L899 garLoopResultBuilder]: For program point L5904(lines 5904 5907) no Hoare annotation was computed. [2022-11-25 22:14:42,865 INFO L902 garLoopResultBuilder]: At program point L5913(line 5913) the Hoare annotation is: true [2022-11-25 22:14:42,865 INFO L902 garLoopResultBuilder]: At program point L5913-1(line 5913) the Hoare annotation is: true [2022-11-25 22:14:42,865 INFO L902 garLoopResultBuilder]: At program point L6616-1(line 6616) the Hoare annotation is: true [2022-11-25 22:14:42,865 INFO L902 garLoopResultBuilder]: At program point L6616(line 6616) the Hoare annotation is: true [2022-11-25 22:14:42,866 INFO L899 garLoopResultBuilder]: For program point L5890(lines 5890 5893) no Hoare annotation was computed. [2022-11-25 22:14:42,869 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-25 22:14:42,871 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:14:42,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:14:42 BoogieIcfgContainer [2022-11-25 22:14:42,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:14:42,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:14:42,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:14:42,911 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:14:42,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:14:26" (3/4) ... [2022-11-25 22:14:42,914 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 22:14:42,921 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2022-11-25 22:14:42,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2022-11-25 22:14:42,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2022-11-25 22:14:42,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2022-11-25 22:14:42,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2022-11-25 22:14:42,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_clone [2022-11-25 22:14:42,922 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-25 22:14:42,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2022-11-25 22:14:42,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2022-11-25 22:14:42,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2022-11-25 22:14:42,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2022-11-25 22:14:42,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-25 22:14:42,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-25 22:14:42,923 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure crc32_le [2022-11-25 22:14:42,924 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2022-11-25 22:14:42,924 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2022-11-25 22:14:42,924 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2022-11-25 22:14:42,924 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2022-11-25 22:14:42,924 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2022-11-25 22:14:42,925 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2022-11-25 22:14:42,925 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-25 22:14:42,943 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 215 nodes and edges [2022-11-25 22:14:42,955 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2022-11-25 22:14:42,957 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-25 22:14:42,958 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 22:14:42,960 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:14:42,962 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:14:42,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-25 22:14:43,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-25 22:14:43,004 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-25 22:14:43,005 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-25 22:14:43,005 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-25 22:14:43,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-25 22:14:43,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-25 22:14:43,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-25 22:14:43,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-25 22:14:43,010 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-25 22:14:43,011 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) || \old(last_index) == last_index [2022-11-25 22:14:43,011 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) [2022-11-25 22:14:43,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(last_index) == 0) [2022-11-25 22:14:43,126 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:14:43,127 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:14:43,128 INFO L158 Benchmark]: Toolchain (without parser) took 22001.94ms. Allocated memory was 165.7MB in the beginning and 318.8MB in the end (delta: 153.1MB). Free memory was 116.4MB in the beginning and 149.9MB in the end (delta: -33.5MB). Peak memory consumption was 123.3MB. Max. memory is 16.1GB. [2022-11-25 22:14:43,128 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:14:43,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1695.08ms. Allocated memory is still 165.7MB. Free memory was 116.1MB in the beginning and 80.7MB in the end (delta: 35.5MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2022-11-25 22:14:43,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.63ms. Allocated memory is still 165.7MB. Free memory was 80.7MB in the beginning and 73.5MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 22:14:43,129 INFO L158 Benchmark]: Boogie Preprocessor took 74.10ms. Allocated memory is still 165.7MB. Free memory was 73.5MB in the beginning and 66.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 22:14:43,130 INFO L158 Benchmark]: RCFGBuilder took 3055.54ms. Allocated memory was 165.7MB in the beginning and 216.0MB in the end (delta: 50.3MB). Free memory was 66.0MB in the beginning and 96.0MB in the end (delta: -30.0MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2022-11-25 22:14:43,130 INFO L158 Benchmark]: TraceAbstraction took 16823.68ms. Allocated memory was 216.0MB in the beginning and 318.8MB in the end (delta: 102.8MB). Free memory was 94.9MB in the beginning and 169.0MB in the end (delta: -74.1MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2022-11-25 22:14:43,131 INFO L158 Benchmark]: Witness Printer took 216.59ms. Allocated memory is still 318.8MB. Free memory was 168.0MB in the beginning and 149.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 22:14:43,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1695.08ms. Allocated memory is still 165.7MB. Free memory was 116.1MB in the beginning and 80.7MB in the end (delta: 35.5MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.63ms. Allocated memory is still 165.7MB. Free memory was 80.7MB in the beginning and 73.5MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.10ms. Allocated memory is still 165.7MB. Free memory was 73.5MB in the beginning and 66.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3055.54ms. Allocated memory was 165.7MB in the beginning and 216.0MB in the end (delta: 50.3MB). Free memory was 66.0MB in the beginning and 96.0MB in the end (delta: -30.0MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. * TraceAbstraction took 16823.68ms. Allocated memory was 216.0MB in the beginning and 318.8MB in the end (delta: 102.8MB). Free memory was 94.9MB in the beginning and 169.0MB in the end (delta: -74.1MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. * Witness Printer took 216.59ms. Allocated memory is still 318.8MB. Free memory was 168.0MB in the beginning and 149.9MB in the end (delta: 18.1MB). 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: 16.7s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1169 SdHoareTripleChecker+Valid, 11.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1163 mSDsluCounter, 3379 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1811 mSDsCounter, 152 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1176 IncrementalHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 152 mSolverCounterUnsat, 1568 mSDtfsCounter, 1176 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 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: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 102 LocationsWithAnnotation, 2762 PreInvPairs, 2959 NumberOfFragments, 431 HoareAnnotationTreeSize, 2762 FomulaSimplifications, 444 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 102 FomulaSimplificationsInter, 4314 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 682 NumberOfCodeBlocks, 682 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 676 ConstructedInterpolants, 0 QuantifiedInterpolants, 979 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: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6221]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5952]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - 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: 5684]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5942]: Loop Invariant Derived loop invariant: !(\old(last_index) == 0) || \old(last_index) == last_index - InvariantResult [Line: 6109]: Loop Invariant Derived loop invariant: ldv_state_variable_2 == 1 && last_index == 0 - InvariantResult [Line: 6003]: 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: 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: 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: 6135]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5817]: 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: 5860]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6616]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 22:14:43,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a31cc13e-8b9b-4aa4-b61d-68aec3a4bc9b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE